4 files changed, 9037 insertions, 428 deletions
diff --git a/llvm/test/CodeGen/Mips/atomic.ll b/llvm/test/CodeGen/Mips/atomic.ll
index dfba8ba1933..b58338aa6fd 100644
--- a/llvm/test/CodeGen/Mips/atomic.ll
+++ b/llvm/test/CodeGen/Mips/atomic.ll
@@ -1,75 +1,1909 @@
-; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32   -relocation-model=pic < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,NO-SEB-SEH,CHECK-EL,NOT-MICROMIPS
-; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32r2 -relocation-model=pic -verify-machineinstrs < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,HAS-SEB-SEH,CHECK-EL,NOT-MICROMIPS
-; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32r6 -relocation-model=pic -verify-machineinstrs < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,HAS-SEB-SEH,CHECK-EL,MIPSR6
-; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips4    -relocation-model=pic < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,NO-SEB-SEH,CHECK-EL,NOT-MICROMIPS
-; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips64   -relocation-model=pic < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,NO-SEB-SEH,CHECK-EL,NOT-MICROMIPS
-; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips64r2 -relocation-model=pic -verify-machineinstrs < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,HAS-SEB-SEH,CHECK-EL,NOT-MICROMIPS
-; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips64r6 -relocation-model=pic < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,HAS-SEB-SEH,CHECK-EL,MIPSR6
-; RUN: llc -march=mips64 -O0 -mcpu=mips64r6 -relocation-model=pic -verify-machineinstrs < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL-LABEL,MIPS64-ANY,O0
-; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32r2 -mattr=micromips -relocation-model=pic < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,HAS-SEB-SEH,CHECK-EL,MICROMIPS
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu --disable-machine-licm -mcpu=mips32 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS32
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -O0 --disable-machine-licm -mcpu=mips32 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS32O0
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu --disable-machine-licm -mcpu=mips32r2 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS32R2
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu --disable-machine-licm -mcpu=mips32r6 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS32R6
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -O0 --disable-machine-licm -mcpu=mips32r6 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS32R6O0
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips4 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS4
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips64 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips64r2 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64R2
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips64r6 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64R6
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -O0 -mcpu=mips64r6 -relocation-model=pic -verify-machineinstrs -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64R6O0
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu --disable-machine-licm -mcpu=mips32r2 -mattr=micromips -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MM32
+
+; We want to verify the produced code is well formed all optimization levels, the rest of the tests which ensure correctness.
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -O1 --disable-machine-licm -mcpu=mips32 -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s --check-prefix=O1
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -O2 --disable-machine-licm -mcpu=mips32 -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s --check-prefix=O2
+; RUN: llc -mtriple=mipsel-unknown-linux-gnu -O3 --disable-machine-licm -mcpu=mips32 -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s --check-prefix=O3
 
 ; Keep one big-endian check so that we don't reduce testing, but don't add more
 ; since endianness doesn't affect the body of the atomic operations.
-; RUN: llc -march=mips   --disable-machine-licm -mcpu=mips32 -relocation-model=pic < %s | \
-; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,NO-SEB-SEH,CHECK-EB,NOT-MICROMIPS
+; RUN: llc -mtriple=mips-unknown-linux-gnu   --disable-machine-licm -mcpu=mips32 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS32EB
 
 @x = common global i32 0, align 4
 
 define i32 @AtomicLoadAdd32(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadAdd32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB0_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    addu $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB0_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadAdd32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB0_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    addu $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB0_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadAdd32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB0_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    addu $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB0_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadAdd32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB0_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    addu $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB0_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadAdd32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB0_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    addu $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB0_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadAdd32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB0_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    addu $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB0_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadAdd32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB0_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    addu $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB0_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadAdd32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB0_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    addu $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB0_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadAdd32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB0_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    addu $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB0_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadAdd32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB0_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    addu $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB0_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadAdd32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB0_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    addu16 $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB0_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadAdd32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB0_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    addu $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB0_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadAdd32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB0_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    addu $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB0_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadAdd32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB0_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    addu $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB0_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadAdd32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB0_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    addu $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB0_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
 entry:
   %0 = atomicrmw add i32* @x, i32 %incr monotonic
   ret i32 %0
 
-; ALL-LABEL: AtomicLoadAdd32:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
+}
 
-; O0:        [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; O0:            ld      $[[R1:[0-9]+]]
-; O0-NEXT:       ll      $[[R2:[0-9]+]], 0($[[R1]])
+define i32 @AtomicLoadSub32(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadSub32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB1_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    subu $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB1_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadSub32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB1_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    subu $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB1_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadSub32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB1_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    subu $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB1_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadSub32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB1_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    subu $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB1_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadSub32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB1_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    subu $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB1_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadSub32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB1_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    subu $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB1_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadSub32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB1_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    subu $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB1_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadSub32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB1_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    subu $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB1_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadSub32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB1_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    subu $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB1_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadSub32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB1_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    subu $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB1_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadSub32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB1_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    subu16 $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB1_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadSub32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB1_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    subu $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB1_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadSub32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB1_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    subu $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB1_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadSub32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB1_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    subu $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB1_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadSub32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB1_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    subu $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB1_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
+entry:
+  %0 = atomicrmw sub i32* @x, i32 %incr monotonic
+  ret i32 %0
 
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R3:[0-9]+]], 0($[[R0]])
-; ALL:           addu    $[[R4:[0-9]+]], $[[R3]], $4
-; ALL:           sc      $[[R4]], 0($[[R0]])
-; NOT-MICROMIPS: beqz    $[[R4]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R4]], [[BB0]]
-; MIPSR6:        beqzc   $[[R4]], [[BB0]]
 }
 
-define i32 @AtomicLoadNand32(i32 signext %incr) nounwind {
+define i32 @AtomicLoadXor32(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadXor32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB2_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    xor $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB2_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadXor32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB2_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    xor $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB2_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadXor32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB2_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    xor $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB2_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadXor32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB2_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    xor $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB2_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadXor32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB2_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    xor $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB2_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadXor32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB2_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    xor $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB2_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadXor32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB2_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    xor $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB2_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadXor32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB2_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    xor $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB2_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadXor32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB2_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    xor $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB2_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadXor32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB2_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    xor $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB2_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadXor32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB2_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    xor $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB2_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadXor32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB2_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    xor $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB2_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadXor32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB2_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    xor $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB2_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadXor32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB2_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    xor $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB2_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadXor32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB2_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    xor $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB2_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
 entry:
-  %0 = atomicrmw nand i32* @x, i32 %incr monotonic
+  %0 = atomicrmw xor i32* @x, i32 %incr monotonic
   ret i32 %0
+}
 
-; ALL-LABEL: AtomicLoadNand32:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
+define i32 @AtomicLoadOr32(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadOr32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB3_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    or $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB3_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadOr32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB3_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    or $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB3_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadOr32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB3_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    or $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB3_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadOr32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB3_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    or $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB3_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadOr32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB3_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    or $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB3_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadOr32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB3_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    or $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB3_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadOr32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB3_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    or $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB3_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadOr32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB3_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    or $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB3_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadOr32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB3_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    or $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB3_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadOr32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB3_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    or $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB3_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadOr32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB3_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    or $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB3_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadOr32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB3_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    or $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB3_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadOr32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB3_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    or $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB3_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadOr32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB3_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    or $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB3_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadOr32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB3_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    or $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB3_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
+entry:
+  %0 = atomicrmw or i32* @x, i32 %incr monotonic
+  ret i32 %0
+}
 
+define i32 @AtomicLoadAnd32(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadAnd32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB4_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    and $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB4_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadAnd32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB4_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    and $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB4_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadAnd32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB4_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    and $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB4_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadAnd32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB4_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    and $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB4_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadAnd32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB4_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    and $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB4_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadAnd32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB4_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    and $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB4_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadAnd32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB4_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    and $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB4_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadAnd32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB4_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    and $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB4_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadAnd32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB4_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    and $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB4_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadAnd32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB4_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    and $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB4_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadAnd32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB4_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    and $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB4_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadAnd32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB4_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    and $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB4_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadAnd32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB4_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    and $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB4_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadAnd32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB4_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    and $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB4_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadAnd32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB4_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    and $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB4_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
+entry:
+  %0 = atomicrmw and i32* @x, i32 %incr monotonic
+  ret i32 %0
+}
 
+define i32 @AtomicLoadNand32(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadNand32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB5_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    and $3, $2, $4
+; MIPS32-NEXT:    nor $3, $zero, $3
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB5_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadNand32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB5_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    and $1, $25, $4
+; MIPS32O0-NEXT:    nor $1, $zero, $1
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB5_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadNand32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB5_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    and $3, $2, $4
+; MIPS32R2-NEXT:    nor $3, $zero, $3
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB5_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadNand32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB5_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    and $3, $2, $4
+; MIPS32R6-NEXT:    nor $3, $zero, $3
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB5_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadNand32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB5_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    and $3, $1, $4
+; MIPS32R6O0-NEXT:    nor $3, $zero, $3
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB5_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadNand32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB5_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    and $3, $2, $4
+; MIPS4-NEXT:    nor $3, $zero, $3
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB5_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadNand32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB5_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    and $3, $2, $4
+; MIPS64-NEXT:    nor $3, $zero, $3
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB5_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadNand32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB5_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    and $3, $2, $4
+; MIPS64R2-NEXT:    nor $3, $zero, $3
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB5_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadNand32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB5_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    and $3, $2, $4
+; MIPS64R6-NEXT:    nor $3, $zero, $3
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB5_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadNand32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB5_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    and $5, $3, $2
+; MIPS64R6O0-NEXT:    nor $5, $zero, $5
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB5_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadNand32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB5_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    and $3, $2, $4
+; MM32-NEXT:    nor $3, $zero, $3
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB5_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadNand32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB5_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    and $3, $2, $4
+; O1-NEXT:    nor $3, $zero, $3
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB5_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadNand32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB5_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    and $3, $2, $4
+; O2-NEXT:    nor $3, $zero, $3
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB5_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadNand32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB5_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    and $3, $2, $4
+; O3-NEXT:    nor $3, $zero, $3
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB5_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadNand32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB5_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    and $3, $2, $4
+; MIPS32EB-NEXT:    nor $3, $zero, $3
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB5_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
+entry:
+  %0 = atomicrmw nand i32* @x, i32 %incr monotonic
+  ret i32 %0
 
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R1:[0-9]+]], 0($[[R0]])
-; ALL:           and     $[[R3:[0-9]+]], $[[R1]], $4
-; ALL:           nor     $[[R2:[0-9]+]], $zero, $[[R3]]
-; ALL:           sc      $[[R2]], 0($[[R0]])
-; NOT-MICROMIPS: beqz    $[[R2]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R2]], [[BB0]]
-; MIPSR6:        beqzc   $[[R2]], [[BB0]]
 }
 
 define i32 @AtomicSwap32(i32 signext %newval) nounwind {
+; MIPS32-LABEL: AtomicSwap32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addiu $sp, $sp, -8
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    sw $4, 4($sp)
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB6_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    move $3, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB6_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32O0-LABEL: AtomicSwap32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    sw $4, 4($sp)
+; MIPS32O0-NEXT:    lw $4, 4($sp)
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:  $BB6_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    move $1, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB6_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicSwap32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addiu $sp, $sp, -8
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    sw $4, 4($sp)
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB6_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    move $3, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB6_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32R6-LABEL: AtomicSwap32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    sw $4, 4($sp)
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB6_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    move $3, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB6_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32R6O0-LABEL: AtomicSwap32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    sw $4, 4($sp)
+; MIPS32R6O0-NEXT:    lw $4, 4($sp)
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:  $BB6_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    move $3, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB6_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicSwap32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    daddiu $sp, $sp, -16
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap32)))
+; MIPS4-NEXT:    sw $4, 12($sp)
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB6_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    move $3, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB6_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64-LABEL: AtomicSwap32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    daddiu $sp, $sp, -16
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64-NEXT:    sw $4, 12($sp)
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB6_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    move $3, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB6_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R2-LABEL: AtomicSwap32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64R2-NEXT:    sw $4, 12($sp)
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB6_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    move $3, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB6_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6-LABEL: AtomicSwap32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64R6-NEXT:    sw $4, 12($sp)
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB6_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    move $3, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB6_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6O0-LABEL: AtomicSwap32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    sw $2, 12($sp)
+; MIPS64R6O0-NEXT:    lw $2, 12($sp)
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB6_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    move $5, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB6_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicSwap32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addiu $sp, $sp, -8
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    sw $4, 4($sp)
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB6_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    move $3, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB6_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    addiusp 8
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicSwap32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addiu $sp, $sp, -8
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    sw $4, 4($sp)
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB6_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    move $3, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB6_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    addiu $sp, $sp, 8
+;
+; O2-LABEL: AtomicSwap32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addiu $sp, $sp, -8
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    sw $4, 4($sp)
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB6_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    move $3, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB6_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    addiu $sp, $sp, 8
+;
+; O3-LABEL: AtomicSwap32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addiu $sp, $sp, -8
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    sw $4, 4($sp)
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB6_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    move $3, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB6_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32EB-LABEL: AtomicSwap32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addiu $sp, $sp, -8
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    sw $4, 4($sp)
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB6_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    move $3, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB6_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    addiu $sp, $sp, 8
 entry:
   %newval.addr = alloca i32, align 4
   store i32 %newval, i32* %newval.addr, align 4
@@ -77,20 +1911,372 @@ entry:
   %0 = atomicrmw xchg i32* @x, i32 %tmp monotonic
   ret i32 %0
 
-; ALL-LABEL: AtomicSwap32:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      ${{[0-9]+}}, 0($[[R0]])
-; ALL:           sc      $[[R2:[0-9]+]], 0($[[R0]])
-; NOT-MICROMIPS: beqz    $[[R2]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R2]], [[BB0]]
-; MIPSR6:        beqzc   $[[R2]], [[BB0]]
 }
 
 define i32 @AtomicCmpSwap32(i32 signext %oldval, i32 signext %newval) nounwind {
+; MIPS32-LABEL: AtomicCmpSwap32:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addiu $sp, $sp, -8
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    sw $5, 4($sp)
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:  $BB7_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    bne $2, $4, $BB7_3
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS32-NEXT:    move $3, $5
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB7_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  $BB7_3: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32O0-LABEL: AtomicCmpSwap32:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -16
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    sw $5, 12($sp)
+; MIPS32O0-NEXT:    lw $5, 12($sp)
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:    lw $25, 8($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    move $1, $4
+; MIPS32O0-NEXT:  $BB7_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $3, 0($2)
+; MIPS32O0-NEXT:    bne $3, $1, $BB7_3
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS32O0-NEXT:    move $6, $5
+; MIPS32O0-NEXT:    sc $6, 0($2)
+; MIPS32O0-NEXT:    beqz $6, $BB7_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  $BB7_3: # %entry
+; MIPS32O0-NEXT:    xor $1, $3, $4
+; MIPS32O0-NEXT:    sltiu $1, $1, 1
+; MIPS32O0-NEXT:    move $2, $3
+; MIPS32O0-NEXT:    sw $3, 8($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    sw $1, 0($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    addiu $sp, $sp, 16
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicCmpSwap32:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addiu $sp, $sp, -8
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    sw $5, 4($sp)
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:  $BB7_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    bne $2, $4, $BB7_3
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS32R2-NEXT:    move $3, $5
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB7_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  $BB7_3: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32R6-LABEL: AtomicCmpSwap32:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    sw $5, 4($sp)
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:  $BB7_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    bnec $2, $4, $BB7_3
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS32R6-NEXT:    move $3, $5
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB7_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  $BB7_3: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32R6O0-LABEL: AtomicCmpSwap32:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -24
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $5
+; MIPS32R6O0-NEXT:    move $1, $4
+; MIPS32R6O0-NEXT:    sw $5, 20($sp)
+; MIPS32R6O0-NEXT:    lw $5, 20($sp)
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:    lw $3, 16($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:  $BB7_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $6, 0($2)
+; MIPS32R6O0-NEXT:    bnec $6, $4, $BB7_3
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS32R6O0-NEXT:    move $7, $5
+; MIPS32R6O0-NEXT:    sc $7, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $7, $BB7_1
+; MIPS32R6O0-NEXT:  $BB7_3: # %entry
+; MIPS32R6O0-NEXT:    move $2, $6
+; MIPS32R6O0-NEXT:    sw $6, 16($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $1, 12($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $3, 8($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 24
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicCmpSwap32:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    daddiu $sp, $sp, -16
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS4-NEXT:    sw $5, 12($sp)
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB7_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    bne $2, $4, .LBB7_3
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS4-NEXT:    move $3, $5
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB7_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  .LBB7_3: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64-LABEL: AtomicCmpSwap32:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    daddiu $sp, $sp, -16
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64-NEXT:    sw $5, 12($sp)
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB7_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    bne $2, $4, .LBB7_3
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64-NEXT:    move $3, $5
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB7_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  .LBB7_3: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R2-LABEL: AtomicCmpSwap32:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64R2-NEXT:    sw $5, 12($sp)
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB7_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    bne $2, $4, .LBB7_3
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64R2-NEXT:    move $3, $5
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB7_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  .LBB7_3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6-LABEL: AtomicCmpSwap32:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64R6-NEXT:    sw $5, 12($sp)
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB7_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    bnec $2, $4, .LBB7_3
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64R6-NEXT:    move $3, $5
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB7_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  .LBB7_3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6O0-LABEL: AtomicCmpSwap32:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap32)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    move $3, $5
+; MIPS64R6O0-NEXT:    sw $3, 12($sp)
+; MIPS64R6O0-NEXT:    lw $3, 12($sp)
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:    lw $6, 8($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:  .LBB7_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $7, 0($1)
+; MIPS64R6O0-NEXT:    bnec $7, $2, .LBB7_3
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64R6O0-NEXT:    move $8, $3
+; MIPS64R6O0-NEXT:    sc $8, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $8, .LBB7_1
+; MIPS64R6O0-NEXT:  .LBB7_3: # %entry
+; MIPS64R6O0-NEXT:    move $2, $7
+; MIPS64R6O0-NEXT:    sw $7, 8($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    sw $6, 4($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicCmpSwap32:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addiu $sp, $sp, -8
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    sw $5, 4($sp)
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:  $BB7_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    bne $2, $4, $BB7_3
+; MM32-NEXT:    nop
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MM32-NEXT:    move $3, $5
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB7_1
+; MM32-NEXT:  $BB7_3: # %entry
+; MM32-NEXT:    addiusp 8
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicCmpSwap32:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addiu $sp, $sp, -8
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    sw $5, 4($sp)
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:  $BB7_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    bne $2, $4, $BB7_3
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; O1-NEXT:    move $3, $5
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB7_1
+; O1-NEXT:    nop
+; O1-NEXT:  $BB7_3: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    addiu $sp, $sp, 8
+;
+; O2-LABEL: AtomicCmpSwap32:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addiu $sp, $sp, -8
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    sw $5, 4($sp)
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:  $BB7_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    bne $2, $4, $BB7_3
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; O2-NEXT:    move $3, $5
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB7_1
+; O2-NEXT:    nop
+; O2-NEXT:  $BB7_3: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    addiu $sp, $sp, 8
+;
+; O3-LABEL: AtomicCmpSwap32:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addiu $sp, $sp, -8
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    sw $5, 4($sp)
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:  $BB7_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    bne $2, $4, $BB7_3
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; O3-NEXT:    move $3, $5
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB7_1
+; O3-NEXT:    nop
+; O3-NEXT:  $BB7_3: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    addiu $sp, $sp, 8
+;
+; MIPS32EB-LABEL: AtomicCmpSwap32:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addiu $sp, $sp, -8
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    sw $5, 4($sp)
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:  $BB7_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    bne $2, $4, $BB7_3
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS32EB-NEXT:    move $3, $5
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB7_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  $BB7_3: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    addiu $sp, $sp, 8
 entry:
   %newval.addr = alloca i32, align 4
   store i32 %newval, i32* %newval.addr, align 4
@@ -99,352 +2285,3754 @@ entry:
   %1 = extractvalue { i32, i1 } %0, 0
   ret i32 %1
 
-; ALL-LABEL: AtomicCmpSwap32:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $2, 0($[[R0]])
-; NOT-MICROMIPS: bne     $2, $4, [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; MICROMIPS:     bne     $2, $4, [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; MIPSR6:        bnec    $2, $4, [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; ALL:           sc      $[[R2:[0-9]+]], 0($[[R0]])
-; NOT-MICROMIPS: beqz    $[[R2]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R2]], [[BB0]]
-; MIPSR6:        beqzc   $[[R2]], [[BB0]]
-; ALL:       [[BB1]]:
 }
 
-
-
 @y = common global i8 0, align 1
 
 define signext i8 @AtomicLoadAdd8(i8 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadAdd8:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(y)($1)
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $2, $1, $2
+; MIPS32-NEXT:    andi $1, $1, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 255
+; MIPS32-NEXT:    sllv $5, $1, $3
+; MIPS32-NEXT:    nor $6, $zero, $5
+; MIPS32-NEXT:    sllv $4, $4, $3
+; MIPS32-NEXT:  $BB8_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $7, 0($2)
+; MIPS32-NEXT:    addu $8, $7, $4
+; MIPS32-NEXT:    and $8, $8, $5
+; MIPS32-NEXT:    and $9, $7, $6
+; MIPS32-NEXT:    or $9, $9, $8
+; MIPS32-NEXT:    sc $9, 0($2)
+; MIPS32-NEXT:    beqz $9, $BB8_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    and $1, $7, $5
+; MIPS32-NEXT:    srlv $1, $1, $3
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    sra $1, $1, 24
+; MIPS32-NEXT:  # %bb.3: # %entry
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sra $2, $1, 24
+;
+; MIPS32O0-LABEL: AtomicLoadAdd8:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, -4
+; MIPS32O0-NEXT:    and $25, $2, $25
+; MIPS32O0-NEXT:    andi $2, $2, 3
+; MIPS32O0-NEXT:    sll $2, $2, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 255
+; MIPS32O0-NEXT:    sllv $1, $1, $2
+; MIPS32O0-NEXT:    nor $3, $zero, $1
+; MIPS32O0-NEXT:    sllv $4, $4, $2
+; MIPS32O0-NEXT:  $BB8_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $6, 0($25)
+; MIPS32O0-NEXT:    addu $7, $6, $4
+; MIPS32O0-NEXT:    and $7, $7, $1
+; MIPS32O0-NEXT:    and $8, $6, $3
+; MIPS32O0-NEXT:    or $8, $8, $7
+; MIPS32O0-NEXT:    sc $8, 0($25)
+; MIPS32O0-NEXT:    beqz $8, $BB8_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    and $5, $6, $1
+; MIPS32O0-NEXT:    srlv $5, $5, $2
+; MIPS32O0-NEXT:    sll $5, $5, 24
+; MIPS32O0-NEXT:    sra $5, $5, 24
+; MIPS32O0-NEXT:  # %bb.3: # %entry
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 24
+; MIPS32O0-NEXT:    sra $2, $2, 24
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadAdd8:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(y)($1)
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $2, $1, $2
+; MIPS32R2-NEXT:    andi $1, $1, 3
+; MIPS32R2-NEXT:    sll $3, $1, 3
+; MIPS32R2-NEXT:    ori $1, $zero, 255
+; MIPS32R2-NEXT:    sllv $5, $1, $3
+; MIPS32R2-NEXT:    nor $6, $zero, $5
+; MIPS32R2-NEXT:    sllv $4, $4, $3
+; MIPS32R2-NEXT:  $BB8_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $7, 0($2)
+; MIPS32R2-NEXT:    addu $8, $7, $4
+; MIPS32R2-NEXT:    and $8, $8, $5
+; MIPS32R2-NEXT:    and $9, $7, $6
+; MIPS32R2-NEXT:    or $9, $9, $8
+; MIPS32R2-NEXT:    sc $9, 0($2)
+; MIPS32R2-NEXT:    beqz $9, $BB8_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    and $1, $7, $5
+; MIPS32R2-NEXT:    srlv $1, $1, $3
+; MIPS32R2-NEXT:    seb $1, $1
+; MIPS32R2-NEXT:  # %bb.3: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    seb $2, $1
+;
+; MIPS32R6-LABEL: AtomicLoadAdd8:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(y)($1)
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $2, $1, $2
+; MIPS32R6-NEXT:    andi $1, $1, 3
+; MIPS32R6-NEXT:    sll $3, $1, 3
+; MIPS32R6-NEXT:    ori $1, $zero, 255
+; MIPS32R6-NEXT:    sllv $5, $1, $3
+; MIPS32R6-NEXT:    nor $6, $zero, $5
+; MIPS32R6-NEXT:    sllv $4, $4, $3
+; MIPS32R6-NEXT:  $BB8_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $7, 0($2)
+; MIPS32R6-NEXT:    addu $8, $7, $4
+; MIPS32R6-NEXT:    and $8, $8, $5
+; MIPS32R6-NEXT:    and $9, $7, $6
+; MIPS32R6-NEXT:    or $9, $9, $8
+; MIPS32R6-NEXT:    sc $9, 0($2)
+; MIPS32R6-NEXT:    beqzc $9, $BB8_1
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    and $1, $7, $5
+; MIPS32R6-NEXT:    srlv $1, $1, $3
+; MIPS32R6-NEXT:    seb $1, $1
+; MIPS32R6-NEXT:  # %bb.3: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    seb $2, $1
+;
+; MIPS32R6O0-LABEL: AtomicLoadAdd8:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32R6O0-NEXT:    addiu $1, $zero, -4
+; MIPS32R6O0-NEXT:    and $1, $2, $1
+; MIPS32R6O0-NEXT:    andi $2, $2, 3
+; MIPS32R6O0-NEXT:    sll $2, $2, 3
+; MIPS32R6O0-NEXT:    ori $3, $zero, 255
+; MIPS32R6O0-NEXT:    sllv $3, $3, $2
+; MIPS32R6O0-NEXT:    nor $5, $zero, $3
+; MIPS32R6O0-NEXT:    sllv $4, $4, $2
+; MIPS32R6O0-NEXT:  $BB8_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $7, 0($1)
+; MIPS32R6O0-NEXT:    addu $8, $7, $4
+; MIPS32R6O0-NEXT:    and $8, $8, $3
+; MIPS32R6O0-NEXT:    and $9, $7, $5
+; MIPS32R6O0-NEXT:    or $9, $9, $8
+; MIPS32R6O0-NEXT:    sc $9, 0($1)
+; MIPS32R6O0-NEXT:    beqzc $9, $BB8_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    and $6, $7, $3
+; MIPS32R6O0-NEXT:    srlv $6, $6, $2
+; MIPS32R6O0-NEXT:    seb $6, $6
+; MIPS32R6O0-NEXT:  # %bb.3: # %entry
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $6, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    lw $1, 0($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    seb $2, $1
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadAdd8:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS4-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS4-NEXT:    daddiu $2, $zero, -4
+; MIPS4-NEXT:    and $2, $1, $2
+; MIPS4-NEXT:    andi $1, $1, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 255
+; MIPS4-NEXT:    sllv $5, $1, $3
+; MIPS4-NEXT:    nor $6, $zero, $5
+; MIPS4-NEXT:    sllv $4, $4, $3
+; MIPS4-NEXT:  .LBB8_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $7, 0($2)
+; MIPS4-NEXT:    addu $8, $7, $4
+; MIPS4-NEXT:    and $8, $8, $5
+; MIPS4-NEXT:    and $9, $7, $6
+; MIPS4-NEXT:    or $9, $9, $8
+; MIPS4-NEXT:    sc $9, 0($2)
+; MIPS4-NEXT:    beqz $9, .LBB8_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    and $1, $7, $5
+; MIPS4-NEXT:    srlv $1, $1, $3
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    sra $1, $1, 24
+; MIPS4-NEXT:  # %bb.3: # %entry
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sra $2, $1, 24
+;
+; MIPS64-LABEL: AtomicLoadAdd8:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64-NEXT:    daddiu $2, $zero, -4
+; MIPS64-NEXT:    and $2, $1, $2
+; MIPS64-NEXT:    andi $1, $1, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 255
+; MIPS64-NEXT:    sllv $5, $1, $3
+; MIPS64-NEXT:    nor $6, $zero, $5
+; MIPS64-NEXT:    sllv $4, $4, $3
+; MIPS64-NEXT:  .LBB8_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $7, 0($2)
+; MIPS64-NEXT:    addu $8, $7, $4
+; MIPS64-NEXT:    and $8, $8, $5
+; MIPS64-NEXT:    and $9, $7, $6
+; MIPS64-NEXT:    or $9, $9, $8
+; MIPS64-NEXT:    sc $9, 0($2)
+; MIPS64-NEXT:    beqz $9, .LBB8_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    and $1, $7, $5
+; MIPS64-NEXT:    srlv $1, $1, $3
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    sra $1, $1, 24
+; MIPS64-NEXT:  # %bb.3: # %entry
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sra $2, $1, 24
+;
+; MIPS64R2-LABEL: AtomicLoadAdd8:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R2-NEXT:    daddiu $2, $zero, -4
+; MIPS64R2-NEXT:    and $2, $1, $2
+; MIPS64R2-NEXT:    andi $1, $1, 3
+; MIPS64R2-NEXT:    sll $3, $1, 3
+; MIPS64R2-NEXT:    ori $1, $zero, 255
+; MIPS64R2-NEXT:    sllv $5, $1, $3
+; MIPS64R2-NEXT:    nor $6, $zero, $5
+; MIPS64R2-NEXT:    sllv $4, $4, $3
+; MIPS64R2-NEXT:  .LBB8_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $7, 0($2)
+; MIPS64R2-NEXT:    addu $8, $7, $4
+; MIPS64R2-NEXT:    and $8, $8, $5
+; MIPS64R2-NEXT:    and $9, $7, $6
+; MIPS64R2-NEXT:    or $9, $9, $8
+; MIPS64R2-NEXT:    sc $9, 0($2)
+; MIPS64R2-NEXT:    beqz $9, .LBB8_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    and $1, $7, $5
+; MIPS64R2-NEXT:    srlv $1, $1, $3
+; MIPS64R2-NEXT:    seb $1, $1
+; MIPS64R2-NEXT:  # %bb.3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    seb $2, $1
+;
+; MIPS64R6-LABEL: AtomicLoadAdd8:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6-NEXT:    daddiu $2, $zero, -4
+; MIPS64R6-NEXT:    and $2, $1, $2
+; MIPS64R6-NEXT:    andi $1, $1, 3
+; MIPS64R6-NEXT:    sll $3, $1, 3
+; MIPS64R6-NEXT:    ori $1, $zero, 255
+; MIPS64R6-NEXT:    sllv $5, $1, $3
+; MIPS64R6-NEXT:    nor $6, $zero, $5
+; MIPS64R6-NEXT:    sllv $4, $4, $3
+; MIPS64R6-NEXT:  .LBB8_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $7, 0($2)
+; MIPS64R6-NEXT:    addu $8, $7, $4
+; MIPS64R6-NEXT:    and $8, $8, $5
+; MIPS64R6-NEXT:    and $9, $7, $6
+; MIPS64R6-NEXT:    or $9, $9, $8
+; MIPS64R6-NEXT:    sc $9, 0($2)
+; MIPS64R6-NEXT:    beqzc $9, .LBB8_1
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    and $1, $7, $5
+; MIPS64R6-NEXT:    srlv $1, $1, $3
+; MIPS64R6-NEXT:    seb $1, $1
+; MIPS64R6-NEXT:  # %bb.3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    seb $2, $1
+;
+; MIPS64R6O0-LABEL: AtomicLoadAdd8:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd8)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6O0-NEXT:    daddiu $4, $zero, -4
+; MIPS64R6O0-NEXT:    and $4, $1, $4
+; MIPS64R6O0-NEXT:    andi $3, $1, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 3
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $5, $zero, 255
+; MIPS64R6O0-NEXT:    sllv $5, $5, $3
+; MIPS64R6O0-NEXT:    nor $6, $zero, $5
+; MIPS64R6O0-NEXT:    sllv $2, $2, $3
+; MIPS64R6O0-NEXT:  .LBB8_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $8, 0($4)
+; MIPS64R6O0-NEXT:    addu $9, $8, $2
+; MIPS64R6O0-NEXT:    and $9, $9, $5
+; MIPS64R6O0-NEXT:    and $10, $8, $6
+; MIPS64R6O0-NEXT:    or $10, $10, $9
+; MIPS64R6O0-NEXT:    sc $10, 0($4)
+; MIPS64R6O0-NEXT:    beqzc $10, .LBB8_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    and $7, $8, $5
+; MIPS64R6O0-NEXT:    srlv $7, $7, $3
+; MIPS64R6O0-NEXT:    seb $7, $7
+; MIPS64R6O0-NEXT:  # %bb.3: # %entry
+; MIPS64R6O0-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    lw $1, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    seb $2, $1
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadAdd8:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(y)($2)
+; MM32-NEXT:    addiu $2, $zero, -4
+; MM32-NEXT:    and $2, $1, $2
+; MM32-NEXT:    andi $1, $1, 3
+; MM32-NEXT:    sll $3, $1, 3
+; MM32-NEXT:    ori $1, $zero, 255
+; MM32-NEXT:    sllv $5, $1, $3
+; MM32-NEXT:    nor $6, $zero, $5
+; MM32-NEXT:    sllv $4, $4, $3
+; MM32-NEXT:  $BB8_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $7, 0($2)
+; MM32-NEXT:    addu $8, $7, $4
+; MM32-NEXT:    and $8, $8, $5
+; MM32-NEXT:    and $9, $7, $6
+; MM32-NEXT:    or $9, $9, $8
+; MM32-NEXT:    sc $9, 0($2)
+; MM32-NEXT:    beqzc $9, $BB8_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    and $1, $7, $5
+; MM32-NEXT:    srlv $1, $1, $3
+; MM32-NEXT:    seb $1, $1
+; MM32-NEXT:  # %bb.3: # %entry
+; MM32-NEXT:    jr $ra
+; MM32-NEXT:    seb $2, $1
+;
+; O1-LABEL: AtomicLoadAdd8:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(y)($1)
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $2, $1, $2
+; O1-NEXT:    andi $1, $1, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 255
+; O1-NEXT:    sllv $5, $1, $3
+; O1-NEXT:    nor $6, $zero, $5
+; O1-NEXT:    sllv $4, $4, $3
+; O1-NEXT:  $BB8_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $7, 0($2)
+; O1-NEXT:    addu $8, $7, $4
+; O1-NEXT:    and $8, $8, $5
+; O1-NEXT:    and $9, $7, $6
+; O1-NEXT:    or $9, $9, $8
+; O1-NEXT:    sc $9, 0($2)
+; O1-NEXT:    beqz $9, $BB8_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    and $1, $7, $5
+; O1-NEXT:    srlv $1, $1, $3
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    sra $1, $1, 24
+; O1-NEXT:  # %bb.3: # %entry
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sra $2, $1, 24
+;
+; O2-LABEL: AtomicLoadAdd8:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(y)($1)
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $2, $1, $2
+; O2-NEXT:    andi $1, $1, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 255
+; O2-NEXT:    sllv $5, $1, $3
+; O2-NEXT:    nor $6, $zero, $5
+; O2-NEXT:    sllv $4, $4, $3
+; O2-NEXT:  $BB8_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $7, 0($2)
+; O2-NEXT:    addu $8, $7, $4
+; O2-NEXT:    and $8, $8, $5
+; O2-NEXT:    and $9, $7, $6
+; O2-NEXT:    or $9, $9, $8
+; O2-NEXT:    sc $9, 0($2)
+; O2-NEXT:    beqz $9, $BB8_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    and $1, $7, $5
+; O2-NEXT:    srlv $1, $1, $3
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    sra $1, $1, 24
+; O2-NEXT:  # %bb.3: # %entry
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sra $2, $1, 24
+;
+; O3-LABEL: AtomicLoadAdd8:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    lw $1, %got(y)($1)
+; O3-NEXT:    and $2, $1, $2
+; O3-NEXT:    andi $1, $1, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 255
+; O3-NEXT:    sllv $5, $1, $3
+; O3-NEXT:    sllv $4, $4, $3
+; O3-NEXT:    nor $6, $zero, $5
+; O3-NEXT:  $BB8_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $7, 0($2)
+; O3-NEXT:    addu $8, $7, $4
+; O3-NEXT:    and $8, $8, $5
+; O3-NEXT:    and $9, $7, $6
+; O3-NEXT:    or $9, $9, $8
+; O3-NEXT:    sc $9, 0($2)
+; O3-NEXT:    beqz $9, $BB8_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    and $1, $7, $5
+; O3-NEXT:    srlv $1, $1, $3
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    sra $1, $1, 24
+; O3-NEXT:  # %bb.3: # %entry
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sra $2, $1, 24
+;
+; MIPS32EB-LABEL: AtomicLoadAdd8:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(y)($1)
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $2, $1, $2
+; MIPS32EB-NEXT:    andi $1, $1, 3
+; MIPS32EB-NEXT:    xori $1, $1, 3
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 255
+; MIPS32EB-NEXT:    sllv $5, $1, $3
+; MIPS32EB-NEXT:    nor $6, $zero, $5
+; MIPS32EB-NEXT:    sllv $4, $4, $3
+; MIPS32EB-NEXT:  $BB8_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $7, 0($2)
+; MIPS32EB-NEXT:    addu $8, $7, $4
+; MIPS32EB-NEXT:    and $8, $8, $5
+; MIPS32EB-NEXT:    and $9, $7, $6
+; MIPS32EB-NEXT:    or $9, $9, $8
+; MIPS32EB-NEXT:    sc $9, 0($2)
+; MIPS32EB-NEXT:    beqz $9, $BB8_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    and $1, $7, $5
+; MIPS32EB-NEXT:    srlv $1, $1, $3
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    sra $1, $1, 24
+; MIPS32EB-NEXT:  # %bb.3: # %entry
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sra $2, $1, 24
 entry:
   %0 = atomicrmw add i8* @y, i8 %incr monotonic
   ret i8 %0
-
-; ALL-LABEL: AtomicLoadAdd8:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
-
-; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
-; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
-; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
-; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
-; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
-; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
-
-; O0:        [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; O0:            ld      $[[R10:[0-9]+]]
-; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R12:[0-9]+]], 0($[[R2]])
-; ALL:           addu    $[[R13:[0-9]+]], $[[R12]], $[[R9]]
-; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
-; ALL:           and     $[[R15:[0-9]+]], $[[R12]], $[[R8]]
-; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R14]]
-; ALL:           sc      $[[R16]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R16]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R16]], [[BB0]]
-; MIPSR6:        beqzc   $[[R16]], [[BB0]]
-
-; ALL:           and     $[[R17:[0-9]+]], $[[R12]], $[[R7]]
-; ALL:           srlv    $[[R18:[0-9]+]], $[[R17]], $[[R5]]
-
-; NO-SEB-SEH:    sll     $[[R19:[0-9]+]], $[[R18]], 24
-; NO-SEB-SEH:    sra     $2, $[[R19]], 24
-
-; HAS-SEB-SEH:   seb     $2, $[[R18]]
 }
 
 define signext i8 @AtomicLoadSub8(i8 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadSub8:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(y)($1)
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $2, $1, $2
+; MIPS32-NEXT:    andi $1, $1, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 255
+; MIPS32-NEXT:    sllv $5, $1, $3
+; MIPS32-NEXT:    nor $6, $zero, $5
+; MIPS32-NEXT:    sllv $4, $4, $3
+; MIPS32-NEXT:  $BB9_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $7, 0($2)
+; MIPS32-NEXT:    subu $8, $7, $4
+; MIPS32-NEXT:    and $8, $8, $5
+; MIPS32-NEXT:    and $9, $7, $6
+; MIPS32-NEXT:    or $9, $9, $8
+; MIPS32-NEXT:    sc $9, 0($2)
+; MIPS32-NEXT:    beqz $9, $BB9_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    and $1, $7, $5
+; MIPS32-NEXT:    srlv $1, $1, $3
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    sra $1, $1, 24
+; MIPS32-NEXT:  # %bb.3: # %entry
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sra $2, $1, 24
+;
+; MIPS32O0-LABEL: AtomicLoadSub8:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, -4
+; MIPS32O0-NEXT:    and $25, $2, $25
+; MIPS32O0-NEXT:    andi $2, $2, 3
+; MIPS32O0-NEXT:    sll $2, $2, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 255
+; MIPS32O0-NEXT:    sllv $1, $1, $2
+; MIPS32O0-NEXT:    nor $3, $zero, $1
+; MIPS32O0-NEXT:    sllv $4, $4, $2
+; MIPS32O0-NEXT:  $BB9_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $6, 0($25)
+; MIPS32O0-NEXT:    subu $7, $6, $4
+; MIPS32O0-NEXT:    and $7, $7, $1
+; MIPS32O0-NEXT:    and $8, $6, $3
+; MIPS32O0-NEXT:    or $8, $8, $7
+; MIPS32O0-NEXT:    sc $8, 0($25)
+; MIPS32O0-NEXT:    beqz $8, $BB9_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    and $5, $6, $1
+; MIPS32O0-NEXT:    srlv $5, $5, $2
+; MIPS32O0-NEXT:    sll $5, $5, 24
+; MIPS32O0-NEXT:    sra $5, $5, 24
+; MIPS32O0-NEXT:  # %bb.3: # %entry
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 24
+; MIPS32O0-NEXT:    sra $2, $2, 24
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadSub8:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(y)($1)
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $2, $1, $2
+; MIPS32R2-NEXT:    andi $1, $1, 3
+; MIPS32R2-NEXT:    sll $3, $1, 3
+; MIPS32R2-NEXT:    ori $1, $zero, 255
+; MIPS32R2-NEXT:    sllv $5, $1, $3
+; MIPS32R2-NEXT:    nor $6, $zero, $5
+; MIPS32R2-NEXT:    sllv $4, $4, $3
+; MIPS32R2-NEXT:  $BB9_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $7, 0($2)
+; MIPS32R2-NEXT:    subu $8, $7, $4
+; MIPS32R2-NEXT:    and $8, $8, $5
+; MIPS32R2-NEXT:    and $9, $7, $6
+; MIPS32R2-NEXT:    or $9, $9, $8
+; MIPS32R2-NEXT:    sc $9, 0($2)
+; MIPS32R2-NEXT:    beqz $9, $BB9_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    and $1, $7, $5
+; MIPS32R2-NEXT:    srlv $1, $1, $3
+; MIPS32R2-NEXT:    seb $1, $1
+; MIPS32R2-NEXT:  # %bb.3: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    seb $2, $1
+;
+; MIPS32R6-LABEL: AtomicLoadSub8:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(y)($1)
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $2, $1, $2
+; MIPS32R6-NEXT:    andi $1, $1, 3
+; MIPS32R6-NEXT:    sll $3, $1, 3
+; MIPS32R6-NEXT:    ori $1, $zero, 255
+; MIPS32R6-NEXT:    sllv $5, $1, $3
+; MIPS32R6-NEXT:    nor $6, $zero, $5
+; MIPS32R6-NEXT:    sllv $4, $4, $3
+; MIPS32R6-NEXT:  $BB9_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $7, 0($2)
+; MIPS32R6-NEXT:    subu $8, $7, $4
+; MIPS32R6-NEXT:    and $8, $8, $5
+; MIPS32R6-NEXT:    and $9, $7, $6
+; MIPS32R6-NEXT:    or $9, $9, $8
+; MIPS32R6-NEXT:    sc $9, 0($2)
+; MIPS32R6-NEXT:    beqzc $9, $BB9_1
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    and $1, $7, $5
+; MIPS32R6-NEXT:    srlv $1, $1, $3
+; MIPS32R6-NEXT:    seb $1, $1
+; MIPS32R6-NEXT:  # %bb.3: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    seb $2, $1
+;
+; MIPS32R6O0-LABEL: AtomicLoadSub8:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32R6O0-NEXT:    addiu $1, $zero, -4
+; MIPS32R6O0-NEXT:    and $1, $2, $1
+; MIPS32R6O0-NEXT:    andi $2, $2, 3
+; MIPS32R6O0-NEXT:    sll $2, $2, 3
+; MIPS32R6O0-NEXT:    ori $3, $zero, 255
+; MIPS32R6O0-NEXT:    sllv $3, $3, $2
+; MIPS32R6O0-NEXT:    nor $5, $zero, $3
+; MIPS32R6O0-NEXT:    sllv $4, $4, $2
+; MIPS32R6O0-NEXT:  $BB9_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $7, 0($1)
+; MIPS32R6O0-NEXT:    subu $8, $7, $4
+; MIPS32R6O0-NEXT:    and $8, $8, $3
+; MIPS32R6O0-NEXT:    and $9, $7, $5
+; MIPS32R6O0-NEXT:    or $9, $9, $8
+; MIPS32R6O0-NEXT:    sc $9, 0($1)
+; MIPS32R6O0-NEXT:    beqzc $9, $BB9_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    and $6, $7, $3
+; MIPS32R6O0-NEXT:    srlv $6, $6, $2
+; MIPS32R6O0-NEXT:    seb $6, $6
+; MIPS32R6O0-NEXT:  # %bb.3: # %entry
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $6, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    lw $1, 0($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    seb $2, $1
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadSub8:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS4-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS4-NEXT:    daddiu $2, $zero, -4
+; MIPS4-NEXT:    and $2, $1, $2
+; MIPS4-NEXT:    andi $1, $1, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 255
+; MIPS4-NEXT:    sllv $5, $1, $3
+; MIPS4-NEXT:    nor $6, $zero, $5
+; MIPS4-NEXT:    sllv $4, $4, $3
+; MIPS4-NEXT:  .LBB9_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $7, 0($2)
+; MIPS4-NEXT:    subu $8, $7, $4
+; MIPS4-NEXT:    and $8, $8, $5
+; MIPS4-NEXT:    and $9, $7, $6
+; MIPS4-NEXT:    or $9, $9, $8
+; MIPS4-NEXT:    sc $9, 0($2)
+; MIPS4-NEXT:    beqz $9, .LBB9_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    and $1, $7, $5
+; MIPS4-NEXT:    srlv $1, $1, $3
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    sra $1, $1, 24
+; MIPS4-NEXT:  # %bb.3: # %entry
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sra $2, $1, 24
+;
+; MIPS64-LABEL: AtomicLoadSub8:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64-NEXT:    daddiu $2, $zero, -4
+; MIPS64-NEXT:    and $2, $1, $2
+; MIPS64-NEXT:    andi $1, $1, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 255
+; MIPS64-NEXT:    sllv $5, $1, $3
+; MIPS64-NEXT:    nor $6, $zero, $5
+; MIPS64-NEXT:    sllv $4, $4, $3
+; MIPS64-NEXT:  .LBB9_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $7, 0($2)
+; MIPS64-NEXT:    subu $8, $7, $4
+; MIPS64-NEXT:    and $8, $8, $5
+; MIPS64-NEXT:    and $9, $7, $6
+; MIPS64-NEXT:    or $9, $9, $8
+; MIPS64-NEXT:    sc $9, 0($2)
+; MIPS64-NEXT:    beqz $9, .LBB9_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    and $1, $7, $5
+; MIPS64-NEXT:    srlv $1, $1, $3
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    sra $1, $1, 24
+; MIPS64-NEXT:  # %bb.3: # %entry
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sra $2, $1, 24
+;
+; MIPS64R2-LABEL: AtomicLoadSub8:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R2-NEXT:    daddiu $2, $zero, -4
+; MIPS64R2-NEXT:    and $2, $1, $2
+; MIPS64R2-NEXT:    andi $1, $1, 3
+; MIPS64R2-NEXT:    sll $3, $1, 3
+; MIPS64R2-NEXT:    ori $1, $zero, 255
+; MIPS64R2-NEXT:    sllv $5, $1, $3
+; MIPS64R2-NEXT:    nor $6, $zero, $5
+; MIPS64R2-NEXT:    sllv $4, $4, $3
+; MIPS64R2-NEXT:  .LBB9_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $7, 0($2)
+; MIPS64R2-NEXT:    subu $8, $7, $4
+; MIPS64R2-NEXT:    and $8, $8, $5
+; MIPS64R2-NEXT:    and $9, $7, $6
+; MIPS64R2-NEXT:    or $9, $9, $8
+; MIPS64R2-NEXT:    sc $9, 0($2)
+; MIPS64R2-NEXT:    beqz $9, .LBB9_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    and $1, $7, $5
+; MIPS64R2-NEXT:    srlv $1, $1, $3
+; MIPS64R2-NEXT:    seb $1, $1
+; MIPS64R2-NEXT:  # %bb.3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    seb $2, $1
+;
+; MIPS64R6-LABEL: AtomicLoadSub8:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6-NEXT:    daddiu $2, $zero, -4
+; MIPS64R6-NEXT:    and $2, $1, $2
+; MIPS64R6-NEXT:    andi $1, $1, 3
+; MIPS64R6-NEXT:    sll $3, $1, 3
+; MIPS64R6-NEXT:    ori $1, $zero, 255
+; MIPS64R6-NEXT:    sllv $5, $1, $3
+; MIPS64R6-NEXT:    nor $6, $zero, $5
+; MIPS64R6-NEXT:    sllv $4, $4, $3
+; MIPS64R6-NEXT:  .LBB9_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $7, 0($2)
+; MIPS64R6-NEXT:    subu $8, $7, $4
+; MIPS64R6-NEXT:    and $8, $8, $5
+; MIPS64R6-NEXT:    and $9, $7, $6
+; MIPS64R6-NEXT:    or $9, $9, $8
+; MIPS64R6-NEXT:    sc $9, 0($2)
+; MIPS64R6-NEXT:    beqzc $9, .LBB9_1
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    and $1, $7, $5
+; MIPS64R6-NEXT:    srlv $1, $1, $3
+; MIPS64R6-NEXT:    seb $1, $1
+; MIPS64R6-NEXT:  # %bb.3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    seb $2, $1
+;
+; MIPS64R6O0-LABEL: AtomicLoadSub8:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub8)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6O0-NEXT:    daddiu $4, $zero, -4
+; MIPS64R6O0-NEXT:    and $4, $1, $4
+; MIPS64R6O0-NEXT:    andi $3, $1, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 3
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $5, $zero, 255
+; MIPS64R6O0-NEXT:    sllv $5, $5, $3
+; MIPS64R6O0-NEXT:    nor $6, $zero, $5
+; MIPS64R6O0-NEXT:    sllv $2, $2, $3
+; MIPS64R6O0-NEXT:  .LBB9_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $8, 0($4)
+; MIPS64R6O0-NEXT:    subu $9, $8, $2
+; MIPS64R6O0-NEXT:    and $9, $9, $5
+; MIPS64R6O0-NEXT:    and $10, $8, $6
+; MIPS64R6O0-NEXT:    or $10, $10, $9
+; MIPS64R6O0-NEXT:    sc $10, 0($4)
+; MIPS64R6O0-NEXT:    beqzc $10, .LBB9_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    and $7, $8, $5
+; MIPS64R6O0-NEXT:    srlv $7, $7, $3
+; MIPS64R6O0-NEXT:    seb $7, $7
+; MIPS64R6O0-NEXT:  # %bb.3: # %entry
+; MIPS64R6O0-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    lw $1, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    seb $2, $1
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadSub8:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(y)($2)
+; MM32-NEXT:    addiu $2, $zero, -4
+; MM32-NEXT:    and $2, $1, $2
+; MM32-NEXT:    andi $1, $1, 3
+; MM32-NEXT:    sll $3, $1, 3
+; MM32-NEXT:    ori $1, $zero, 255
+; MM32-NEXT:    sllv $5, $1, $3
+; MM32-NEXT:    nor $6, $zero, $5
+; MM32-NEXT:    sllv $4, $4, $3
+; MM32-NEXT:  $BB9_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $7, 0($2)
+; MM32-NEXT:    subu $8, $7, $4
+; MM32-NEXT:    and $8, $8, $5
+; MM32-NEXT:    and $9, $7, $6
+; MM32-NEXT:    or $9, $9, $8
+; MM32-NEXT:    sc $9, 0($2)
+; MM32-NEXT:    beqzc $9, $BB9_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    and $1, $7, $5
+; MM32-NEXT:    srlv $1, $1, $3
+; MM32-NEXT:    seb $1, $1
+; MM32-NEXT:  # %bb.3: # %entry
+; MM32-NEXT:    jr $ra
+; MM32-NEXT:    seb $2, $1
+;
+; O1-LABEL: AtomicLoadSub8:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(y)($1)
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $2, $1, $2
+; O1-NEXT:    andi $1, $1, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 255
+; O1-NEXT:    sllv $5, $1, $3
+; O1-NEXT:    nor $6, $zero, $5
+; O1-NEXT:    sllv $4, $4, $3
+; O1-NEXT:  $BB9_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $7, 0($2)
+; O1-NEXT:    subu $8, $7, $4
+; O1-NEXT:    and $8, $8, $5
+; O1-NEXT:    and $9, $7, $6
+; O1-NEXT:    or $9, $9, $8
+; O1-NEXT:    sc $9, 0($2)
+; O1-NEXT:    beqz $9, $BB9_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    and $1, $7, $5
+; O1-NEXT:    srlv $1, $1, $3
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    sra $1, $1, 24
+; O1-NEXT:  # %bb.3: # %entry
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sra $2, $1, 24
+;
+; O2-LABEL: AtomicLoadSub8:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(y)($1)
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $2, $1, $2
+; O2-NEXT:    andi $1, $1, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 255
+; O2-NEXT:    sllv $5, $1, $3
+; O2-NEXT:    nor $6, $zero, $5
+; O2-NEXT:    sllv $4, $4, $3
+; O2-NEXT:  $BB9_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $7, 0($2)
+; O2-NEXT:    subu $8, $7, $4
+; O2-NEXT:    and $8, $8, $5
+; O2-NEXT:    and $9, $7, $6
+; O2-NEXT:    or $9, $9, $8
+; O2-NEXT:    sc $9, 0($2)
+; O2-NEXT:    beqz $9, $BB9_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    and $1, $7, $5
+; O2-NEXT:    srlv $1, $1, $3
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    sra $1, $1, 24
+; O2-NEXT:  # %bb.3: # %entry
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sra $2, $1, 24
+;
+; O3-LABEL: AtomicLoadSub8:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    lw $1, %got(y)($1)
+; O3-NEXT:    and $2, $1, $2
+; O3-NEXT:    andi $1, $1, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 255
+; O3-NEXT:    sllv $5, $1, $3
+; O3-NEXT:    sllv $4, $4, $3
+; O3-NEXT:    nor $6, $zero, $5
+; O3-NEXT:  $BB9_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $7, 0($2)
+; O3-NEXT:    subu $8, $7, $4
+; O3-NEXT:    and $8, $8, $5
+; O3-NEXT:    and $9, $7, $6
+; O3-NEXT:    or $9, $9, $8
+; O3-NEXT:    sc $9, 0($2)
+; O3-NEXT:    beqz $9, $BB9_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    and $1, $7, $5
+; O3-NEXT:    srlv $1, $1, $3
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    sra $1, $1, 24
+; O3-NEXT:  # %bb.3: # %entry
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sra $2, $1, 24
+;
+; MIPS32EB-LABEL: AtomicLoadSub8:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(y)($1)
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $2, $1, $2
+; MIPS32EB-NEXT:    andi $1, $1, 3
+; MIPS32EB-NEXT:    xori $1, $1, 3
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 255
+; MIPS32EB-NEXT:    sllv $5, $1, $3
+; MIPS32EB-NEXT:    nor $6, $zero, $5
+; MIPS32EB-NEXT:    sllv $4, $4, $3
+; MIPS32EB-NEXT:  $BB9_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $7, 0($2)
+; MIPS32EB-NEXT:    subu $8, $7, $4
+; MIPS32EB-NEXT:    and $8, $8, $5
+; MIPS32EB-NEXT:    and $9, $7, $6
+; MIPS32EB-NEXT:    or $9, $9, $8
+; MIPS32EB-NEXT:    sc $9, 0($2)
+; MIPS32EB-NEXT:    beqz $9, $BB9_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    and $1, $7, $5
+; MIPS32EB-NEXT:    srlv $1, $1, $3
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    sra $1, $1, 24
+; MIPS32EB-NEXT:  # %bb.3: # %entry
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sra $2, $1, 24
 entry:
   %0 = atomicrmw sub i8* @y, i8 %incr monotonic
   ret i8 %0
 
-; ALL-LABEL: AtomicLoadSub8:
-
-; MIPS32-ANY: lw      $[[R0:[0-9]+]], %got(y)
-; MIPS64-ANY: ld      $[[R0:[0-9]+]], %got_disp(y)(
-
-; ALL:        addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:        and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
-; ALL:        andi    $[[R3:[0-9]+]], $[[R0]], 3
-; CHECK-EL:   sll     $[[R5:[0-9]+]], $[[R3]], 3
-; CHECK-EB:   xori    $[[R4:[0-9]+]], $[[R3]], 3
-; CHECK-EB:   sll     $[[R5:[0-9]+]], $[[R4]], 3
-; ALL:        ori     $[[R6:[0-9]+]], $zero, 255
-; ALL:        sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:        nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:        sllv    $[[R9:[0-9]+]], $4, $[[R5]]
-
-; O0:        [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; O0:            ld      $[[R10:[0-9]+]]
-; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
-
-; ALL:    [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:        ll      $[[R12:[0-9]+]], 0($[[R2]])
-; ALL:        subu    $[[R13:[0-9]+]], $[[R12]], $[[R9]]
-; ALL:        and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
-; ALL:        and     $[[R15:[0-9]+]], $[[R12]], $[[R8]]
-; ALL:        or      $[[R16:[0-9]+]], $[[R15]], $[[R14]]
-; ALL:        sc      $[[R16]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R16]], [[BB0]]
-; MICROMIPS:  beqzc   $[[R16]], [[BB0]]
-; MIPSR6:     beqzc   $[[R16]], [[BB0]]
-
-; ALL:        and     $[[R17:[0-9]+]], $[[R12]], $[[R7]]
-; ALL:        srlv    $[[R18:[0-9]+]], $[[R17]], $[[R5]]
-
-; NO-SEB-SEH: sll     $[[R19:[0-9]+]], $[[R18]], 24
-; NO-SEB-SEH: sra     $2, $[[R19]], 24
-
-; HAS-SEB-SEH:seb     $2, $[[R18]]
 }
 
 define signext i8 @AtomicLoadNand8(i8 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadNand8:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(y)($1)
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $2, $1, $2
+; MIPS32-NEXT:    andi $1, $1, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 255
+; MIPS32-NEXT:    sllv $5, $1, $3
+; MIPS32-NEXT:    nor $6, $zero, $5
+; MIPS32-NEXT:    sllv $4, $4, $3
+; MIPS32-NEXT:  $BB10_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $7, 0($2)
+; MIPS32-NEXT:    and $8, $7, $4
+; MIPS32-NEXT:    nor $8, $zero, $8
+; MIPS32-NEXT:    and $8, $8, $5
+; MIPS32-NEXT:    and $9, $7, $6
+; MIPS32-NEXT:    or $9, $9, $8
+; MIPS32-NEXT:    sc $9, 0($2)
+; MIPS32-NEXT:    beqz $9, $BB10_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    and $1, $7, $5
+; MIPS32-NEXT:    srlv $1, $1, $3
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    sra $1, $1, 24
+; MIPS32-NEXT:  # %bb.3: # %entry
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sra $2, $1, 24
+;
+; MIPS32O0-LABEL: AtomicLoadNand8:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, -4
+; MIPS32O0-NEXT:    and $25, $2, $25
+; MIPS32O0-NEXT:    andi $2, $2, 3
+; MIPS32O0-NEXT:    sll $2, $2, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 255
+; MIPS32O0-NEXT:    sllv $1, $1, $2
+; MIPS32O0-NEXT:    nor $3, $zero, $1
+; MIPS32O0-NEXT:    sllv $4, $4, $2
+; MIPS32O0-NEXT:  $BB10_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $6, 0($25)
+; MIPS32O0-NEXT:    and $7, $6, $4
+; MIPS32O0-NEXT:    nor $7, $zero, $7
+; MIPS32O0-NEXT:    and $7, $7, $1
+; MIPS32O0-NEXT:    and $8, $6, $3
+; MIPS32O0-NEXT:    or $8, $8, $7
+; MIPS32O0-NEXT:    sc $8, 0($25)
+; MIPS32O0-NEXT:    beqz $8, $BB10_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    and $5, $6, $1
+; MIPS32O0-NEXT:    srlv $5, $5, $2
+; MIPS32O0-NEXT:    sll $5, $5, 24
+; MIPS32O0-NEXT:    sra $5, $5, 24
+; MIPS32O0-NEXT:  # %bb.3: # %entry
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 24
+; MIPS32O0-NEXT:    sra $2, $2, 24
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadNand8:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(y)($1)
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $2, $1, $2
+; MIPS32R2-NEXT:    andi $1, $1, 3
+; MIPS32R2-NEXT:    sll $3, $1, 3
+; MIPS32R2-NEXT:    ori $1, $zero, 255
+; MIPS32R2-NEXT:    sllv $5, $1, $3
+; MIPS32R2-NEXT:    nor $6, $zero, $5
+; MIPS32R2-NEXT:    sllv $4, $4, $3
+; MIPS32R2-NEXT:  $BB10_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $7, 0($2)
+; MIPS32R2-NEXT:    and $8, $7, $4
+; MIPS32R2-NEXT:    nor $8, $zero, $8
+; MIPS32R2-NEXT:    and $8, $8, $5
+; MIPS32R2-NEXT:    and $9, $7, $6
+; MIPS32R2-NEXT:    or $9, $9, $8
+; MIPS32R2-NEXT:    sc $9, 0($2)
+; MIPS32R2-NEXT:    beqz $9, $BB10_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    and $1, $7, $5
+; MIPS32R2-NEXT:    srlv $1, $1, $3
+; MIPS32R2-NEXT:    seb $1, $1
+; MIPS32R2-NEXT:  # %bb.3: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    seb $2, $1
+;
+; MIPS32R6-LABEL: AtomicLoadNand8:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(y)($1)
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $2, $1, $2
+; MIPS32R6-NEXT:    andi $1, $1, 3
+; MIPS32R6-NEXT:    sll $3, $1, 3
+; MIPS32R6-NEXT:    ori $1, $zero, 255
+; MIPS32R6-NEXT:    sllv $5, $1, $3
+; MIPS32R6-NEXT:    nor $6, $zero, $5
+; MIPS32R6-NEXT:    sllv $4, $4, $3
+; MIPS32R6-NEXT:  $BB10_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $7, 0($2)
+; MIPS32R6-NEXT:    and $8, $7, $4
+; MIPS32R6-NEXT:    nor $8, $zero, $8
+; MIPS32R6-NEXT:    and $8, $8, $5
+; MIPS32R6-NEXT:    and $9, $7, $6
+; MIPS32R6-NEXT:    or $9, $9, $8
+; MIPS32R6-NEXT:    sc $9, 0($2)
+; MIPS32R6-NEXT:    beqzc $9, $BB10_1
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    and $1, $7, $5
+; MIPS32R6-NEXT:    srlv $1, $1, $3
+; MIPS32R6-NEXT:    seb $1, $1
+; MIPS32R6-NEXT:  # %bb.3: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    seb $2, $1
+;
+; MIPS32R6O0-LABEL: AtomicLoadNand8:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32R6O0-NEXT:    addiu $1, $zero, -4
+; MIPS32R6O0-NEXT:    and $1, $2, $1
+; MIPS32R6O0-NEXT:    andi $2, $2, 3
+; MIPS32R6O0-NEXT:    sll $2, $2, 3
+; MIPS32R6O0-NEXT:    ori $3, $zero, 255
+; MIPS32R6O0-NEXT:    sllv $3, $3, $2
+; MIPS32R6O0-NEXT:    nor $5, $zero, $3
+; MIPS32R6O0-NEXT:    sllv $4, $4, $2
+; MIPS32R6O0-NEXT:  $BB10_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $7, 0($1)
+; MIPS32R6O0-NEXT:    and $8, $7, $4
+; MIPS32R6O0-NEXT:    nor $8, $zero, $8
+; MIPS32R6O0-NEXT:    and $8, $8, $3
+; MIPS32R6O0-NEXT:    and $9, $7, $5
+; MIPS32R6O0-NEXT:    or $9, $9, $8
+; MIPS32R6O0-NEXT:    sc $9, 0($1)
+; MIPS32R6O0-NEXT:    beqzc $9, $BB10_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    and $6, $7, $3
+; MIPS32R6O0-NEXT:    srlv $6, $6, $2
+; MIPS32R6O0-NEXT:    seb $6, $6
+; MIPS32R6O0-NEXT:  # %bb.3: # %entry
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $6, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    lw $1, 0($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    seb $2, $1
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadNand8:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS4-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS4-NEXT:    daddiu $2, $zero, -4
+; MIPS4-NEXT:    and $2, $1, $2
+; MIPS4-NEXT:    andi $1, $1, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 255
+; MIPS4-NEXT:    sllv $5, $1, $3
+; MIPS4-NEXT:    nor $6, $zero, $5
+; MIPS4-NEXT:    sllv $4, $4, $3
+; MIPS4-NEXT:  .LBB10_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $7, 0($2)
+; MIPS4-NEXT:    and $8, $7, $4
+; MIPS4-NEXT:    nor $8, $zero, $8
+; MIPS4-NEXT:    and $8, $8, $5
+; MIPS4-NEXT:    and $9, $7, $6
+; MIPS4-NEXT:    or $9, $9, $8
+; MIPS4-NEXT:    sc $9, 0($2)
+; MIPS4-NEXT:    beqz $9, .LBB10_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    and $1, $7, $5
+; MIPS4-NEXT:    srlv $1, $1, $3
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    sra $1, $1, 24
+; MIPS4-NEXT:  # %bb.3: # %entry
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sra $2, $1, 24
+;
+; MIPS64-LABEL: AtomicLoadNand8:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64-NEXT:    daddiu $2, $zero, -4
+; MIPS64-NEXT:    and $2, $1, $2
+; MIPS64-NEXT:    andi $1, $1, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 255
+; MIPS64-NEXT:    sllv $5, $1, $3
+; MIPS64-NEXT:    nor $6, $zero, $5
+; MIPS64-NEXT:    sllv $4, $4, $3
+; MIPS64-NEXT:  .LBB10_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $7, 0($2)
+; MIPS64-NEXT:    and $8, $7, $4
+; MIPS64-NEXT:    nor $8, $zero, $8
+; MIPS64-NEXT:    and $8, $8, $5
+; MIPS64-NEXT:    and $9, $7, $6
+; MIPS64-NEXT:    or $9, $9, $8
+; MIPS64-NEXT:    sc $9, 0($2)
+; MIPS64-NEXT:    beqz $9, .LBB10_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    and $1, $7, $5
+; MIPS64-NEXT:    srlv $1, $1, $3
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    sra $1, $1, 24
+; MIPS64-NEXT:  # %bb.3: # %entry
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sra $2, $1, 24
+;
+; MIPS64R2-LABEL: AtomicLoadNand8:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R2-NEXT:    daddiu $2, $zero, -4
+; MIPS64R2-NEXT:    and $2, $1, $2
+; MIPS64R2-NEXT:    andi $1, $1, 3
+; MIPS64R2-NEXT:    sll $3, $1, 3
+; MIPS64R2-NEXT:    ori $1, $zero, 255
+; MIPS64R2-NEXT:    sllv $5, $1, $3
+; MIPS64R2-NEXT:    nor $6, $zero, $5
+; MIPS64R2-NEXT:    sllv $4, $4, $3
+; MIPS64R2-NEXT:  .LBB10_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $7, 0($2)
+; MIPS64R2-NEXT:    and $8, $7, $4
+; MIPS64R2-NEXT:    nor $8, $zero, $8
+; MIPS64R2-NEXT:    and $8, $8, $5
+; MIPS64R2-NEXT:    and $9, $7, $6
+; MIPS64R2-NEXT:    or $9, $9, $8
+; MIPS64R2-NEXT:    sc $9, 0($2)
+; MIPS64R2-NEXT:    beqz $9, .LBB10_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    and $1, $7, $5
+; MIPS64R2-NEXT:    srlv $1, $1, $3
+; MIPS64R2-NEXT:    seb $1, $1
+; MIPS64R2-NEXT:  # %bb.3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    seb $2, $1
+;
+; MIPS64R6-LABEL: AtomicLoadNand8:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6-NEXT:    daddiu $2, $zero, -4
+; MIPS64R6-NEXT:    and $2, $1, $2
+; MIPS64R6-NEXT:    andi $1, $1, 3
+; MIPS64R6-NEXT:    sll $3, $1, 3
+; MIPS64R6-NEXT:    ori $1, $zero, 255
+; MIPS64R6-NEXT:    sllv $5, $1, $3
+; MIPS64R6-NEXT:    nor $6, $zero, $5
+; MIPS64R6-NEXT:    sllv $4, $4, $3
+; MIPS64R6-NEXT:  .LBB10_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $7, 0($2)
+; MIPS64R6-NEXT:    and $8, $7, $4
+; MIPS64R6-NEXT:    nor $8, $zero, $8
+; MIPS64R6-NEXT:    and $8, $8, $5
+; MIPS64R6-NEXT:    and $9, $7, $6
+; MIPS64R6-NEXT:    or $9, $9, $8
+; MIPS64R6-NEXT:    sc $9, 0($2)
+; MIPS64R6-NEXT:    beqzc $9, .LBB10_1
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    and $1, $7, $5
+; MIPS64R6-NEXT:    srlv $1, $1, $3
+; MIPS64R6-NEXT:    seb $1, $1
+; MIPS64R6-NEXT:  # %bb.3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    seb $2, $1
+;
+; MIPS64R6O0-LABEL: AtomicLoadNand8:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand8)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6O0-NEXT:    daddiu $4, $zero, -4
+; MIPS64R6O0-NEXT:    and $4, $1, $4
+; MIPS64R6O0-NEXT:    andi $3, $1, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 3
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $5, $zero, 255
+; MIPS64R6O0-NEXT:    sllv $5, $5, $3
+; MIPS64R6O0-NEXT:    nor $6, $zero, $5
+; MIPS64R6O0-NEXT:    sllv $2, $2, $3
+; MIPS64R6O0-NEXT:  .LBB10_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $8, 0($4)
+; MIPS64R6O0-NEXT:    and $9, $8, $2
+; MIPS64R6O0-NEXT:    nor $9, $zero, $9
+; MIPS64R6O0-NEXT:    and $9, $9, $5
+; MIPS64R6O0-NEXT:    and $10, $8, $6
+; MIPS64R6O0-NEXT:    or $10, $10, $9
+; MIPS64R6O0-NEXT:    sc $10, 0($4)
+; MIPS64R6O0-NEXT:    beqzc $10, .LBB10_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    and $7, $8, $5
+; MIPS64R6O0-NEXT:    srlv $7, $7, $3
+; MIPS64R6O0-NEXT:    seb $7, $7
+; MIPS64R6O0-NEXT:  # %bb.3: # %entry
+; MIPS64R6O0-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    lw $1, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    seb $2, $1
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadNand8:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(y)($2)
+; MM32-NEXT:    addiu $2, $zero, -4
+; MM32-NEXT:    and $2, $1, $2
+; MM32-NEXT:    andi $1, $1, 3
+; MM32-NEXT:    sll $3, $1, 3
+; MM32-NEXT:    ori $1, $zero, 255
+; MM32-NEXT:    sllv $5, $1, $3
+; MM32-NEXT:    nor $6, $zero, $5
+; MM32-NEXT:    sllv $4, $4, $3
+; MM32-NEXT:  $BB10_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $7, 0($2)
+; MM32-NEXT:    and $8, $7, $4
+; MM32-NEXT:    nor $8, $zero, $8
+; MM32-NEXT:    and $8, $8, $5
+; MM32-NEXT:    and $9, $7, $6
+; MM32-NEXT:    or $9, $9, $8
+; MM32-NEXT:    sc $9, 0($2)
+; MM32-NEXT:    beqzc $9, $BB10_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    and $1, $7, $5
+; MM32-NEXT:    srlv $1, $1, $3
+; MM32-NEXT:    seb $1, $1
+; MM32-NEXT:  # %bb.3: # %entry
+; MM32-NEXT:    jr $ra
+; MM32-NEXT:    seb $2, $1
+;
+; O1-LABEL: AtomicLoadNand8:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(y)($1)
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $2, $1, $2
+; O1-NEXT:    andi $1, $1, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 255
+; O1-NEXT:    sllv $5, $1, $3
+; O1-NEXT:    nor $6, $zero, $5
+; O1-NEXT:    sllv $4, $4, $3
+; O1-NEXT:  $BB10_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $7, 0($2)
+; O1-NEXT:    and $8, $7, $4
+; O1-NEXT:    nor $8, $zero, $8
+; O1-NEXT:    and $8, $8, $5
+; O1-NEXT:    and $9, $7, $6
+; O1-NEXT:    or $9, $9, $8
+; O1-NEXT:    sc $9, 0($2)
+; O1-NEXT:    beqz $9, $BB10_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    and $1, $7, $5
+; O1-NEXT:    srlv $1, $1, $3
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    sra $1, $1, 24
+; O1-NEXT:  # %bb.3: # %entry
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sra $2, $1, 24
+;
+; O2-LABEL: AtomicLoadNand8:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(y)($1)
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $2, $1, $2
+; O2-NEXT:    andi $1, $1, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 255
+; O2-NEXT:    sllv $5, $1, $3
+; O2-NEXT:    nor $6, $zero, $5
+; O2-NEXT:    sllv $4, $4, $3
+; O2-NEXT:  $BB10_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $7, 0($2)
+; O2-NEXT:    and $8, $7, $4
+; O2-NEXT:    nor $8, $zero, $8
+; O2-NEXT:    and $8, $8, $5
+; O2-NEXT:    and $9, $7, $6
+; O2-NEXT:    or $9, $9, $8
+; O2-NEXT:    sc $9, 0($2)
+; O2-NEXT:    beqz $9, $BB10_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    and $1, $7, $5
+; O2-NEXT:    srlv $1, $1, $3
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    sra $1, $1, 24
+; O2-NEXT:  # %bb.3: # %entry
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sra $2, $1, 24
+;
+; O3-LABEL: AtomicLoadNand8:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    lw $1, %got(y)($1)
+; O3-NEXT:    and $2, $1, $2
+; O3-NEXT:    andi $1, $1, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 255
+; O3-NEXT:    sllv $5, $1, $3
+; O3-NEXT:    sllv $4, $4, $3
+; O3-NEXT:    nor $6, $zero, $5
+; O3-NEXT:  $BB10_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $7, 0($2)
+; O3-NEXT:    and $8, $7, $4
+; O3-NEXT:    nor $8, $zero, $8
+; O3-NEXT:    and $8, $8, $5
+; O3-NEXT:    and $9, $7, $6
+; O3-NEXT:    or $9, $9, $8
+; O3-NEXT:    sc $9, 0($2)
+; O3-NEXT:    beqz $9, $BB10_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    and $1, $7, $5
+; O3-NEXT:    srlv $1, $1, $3
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    sra $1, $1, 24
+; O3-NEXT:  # %bb.3: # %entry
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sra $2, $1, 24
+;
+; MIPS32EB-LABEL: AtomicLoadNand8:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(y)($1)
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $2, $1, $2
+; MIPS32EB-NEXT:    andi $1, $1, 3
+; MIPS32EB-NEXT:    xori $1, $1, 3
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 255
+; MIPS32EB-NEXT:    sllv $5, $1, $3
+; MIPS32EB-NEXT:    nor $6, $zero, $5
+; MIPS32EB-NEXT:    sllv $4, $4, $3
+; MIPS32EB-NEXT:  $BB10_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $7, 0($2)
+; MIPS32EB-NEXT:    and $8, $7, $4
+; MIPS32EB-NEXT:    nor $8, $zero, $8
+; MIPS32EB-NEXT:    and $8, $8, $5
+; MIPS32EB-NEXT:    and $9, $7, $6
+; MIPS32EB-NEXT:    or $9, $9, $8
+; MIPS32EB-NEXT:    sc $9, 0($2)
+; MIPS32EB-NEXT:    beqz $9, $BB10_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    and $1, $7, $5
+; MIPS32EB-NEXT:    srlv $1, $1, $3
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    sra $1, $1, 24
+; MIPS32EB-NEXT:  # %bb.3: # %entry
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sra $2, $1, 24
 entry:
   %0 = atomicrmw nand i8* @y, i8 %incr monotonic
   ret i8 %0
 
-; ALL-LABEL: AtomicLoadNand8:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
-
-; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
-; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
-; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
-; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
-; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
-
-; O0:        [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; O0:            ld      $[[R10:[0-9]+]]
-; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R12:[0-9]+]], 0($[[R2]])
-; ALL:           and     $[[R13:[0-9]+]], $[[R12]], $[[R9]]
-; ALL:           nor     $[[R14:[0-9]+]], $zero, $[[R13]]
-; ALL:           and     $[[R15:[0-9]+]], $[[R14]], $[[R7]]
-; ALL:           and     $[[R16:[0-9]+]], $[[R12]], $[[R8]]
-; ALL:           or      $[[R17:[0-9]+]], $[[R16]], $[[R15]]
-; ALL:           sc      $[[R17]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R17]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R17]], [[BB0]]
-; MIPSR6:        beqzc   $[[R17]], [[BB0]]
-
-; ALL:           and     $[[R18:[0-9]+]], $[[R12]], $[[R7]]
-; ALL:           srlv    $[[R19:[0-9]+]], $[[R18]], $[[R5]]
-
-; NO-SEB-SEH:    sll     $[[R20:[0-9]+]], $[[R19]], 24
-; NO-SEB-SEH:    sra     $2, $[[R20]], 24
-
-; HAS-SEB-SEH:   seb     $2, $[[R19]]
 }
 
 define signext i8 @AtomicSwap8(i8 signext %newval) nounwind {
+; MIPS32-LABEL: AtomicSwap8:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(y)($1)
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $2, $1, $2
+; MIPS32-NEXT:    andi $1, $1, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 255
+; MIPS32-NEXT:    sllv $5, $1, $3
+; MIPS32-NEXT:    nor $6, $zero, $5
+; MIPS32-NEXT:    sllv $4, $4, $3
+; MIPS32-NEXT:  $BB11_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $7, 0($2)
+; MIPS32-NEXT:    and $8, $4, $5
+; MIPS32-NEXT:    and $9, $7, $6
+; MIPS32-NEXT:    or $9, $9, $8
+; MIPS32-NEXT:    sc $9, 0($2)
+; MIPS32-NEXT:    beqz $9, $BB11_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    and $1, $7, $5
+; MIPS32-NEXT:    srlv $1, $1, $3
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    sra $1, $1, 24
+; MIPS32-NEXT:  # %bb.3: # %entry
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sra $2, $1, 24
+;
+; MIPS32O0-LABEL: AtomicSwap8:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, -4
+; MIPS32O0-NEXT:    and $25, $2, $25
+; MIPS32O0-NEXT:    andi $2, $2, 3
+; MIPS32O0-NEXT:    sll $2, $2, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 255
+; MIPS32O0-NEXT:    sllv $1, $1, $2
+; MIPS32O0-NEXT:    nor $3, $zero, $1
+; MIPS32O0-NEXT:    sllv $4, $4, $2
+; MIPS32O0-NEXT:  $BB11_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $6, 0($25)
+; MIPS32O0-NEXT:    and $7, $4, $1
+; MIPS32O0-NEXT:    and $8, $6, $3
+; MIPS32O0-NEXT:    or $8, $8, $7
+; MIPS32O0-NEXT:    sc $8, 0($25)
+; MIPS32O0-NEXT:    beqz $8, $BB11_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    and $5, $6, $1
+; MIPS32O0-NEXT:    srlv $5, $5, $2
+; MIPS32O0-NEXT:    sll $5, $5, 24
+; MIPS32O0-NEXT:    sra $5, $5, 24
+; MIPS32O0-NEXT:  # %bb.3: # %entry
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 24
+; MIPS32O0-NEXT:    sra $2, $2, 24
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicSwap8:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(y)($1)
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $2, $1, $2
+; MIPS32R2-NEXT:    andi $1, $1, 3
+; MIPS32R2-NEXT:    sll $3, $1, 3
+; MIPS32R2-NEXT:    ori $1, $zero, 255
+; MIPS32R2-NEXT:    sllv $5, $1, $3
+; MIPS32R2-NEXT:    nor $6, $zero, $5
+; MIPS32R2-NEXT:    sllv $4, $4, $3
+; MIPS32R2-NEXT:  $BB11_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $7, 0($2)
+; MIPS32R2-NEXT:    and $8, $4, $5
+; MIPS32R2-NEXT:    and $9, $7, $6
+; MIPS32R2-NEXT:    or $9, $9, $8
+; MIPS32R2-NEXT:    sc $9, 0($2)
+; MIPS32R2-NEXT:    beqz $9, $BB11_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    and $1, $7, $5
+; MIPS32R2-NEXT:    srlv $1, $1, $3
+; MIPS32R2-NEXT:    seb $1, $1
+; MIPS32R2-NEXT:  # %bb.3: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    seb $2, $1
+;
+; MIPS32R6-LABEL: AtomicSwap8:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(y)($1)
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $2, $1, $2
+; MIPS32R6-NEXT:    andi $1, $1, 3
+; MIPS32R6-NEXT:    sll $3, $1, 3
+; MIPS32R6-NEXT:    ori $1, $zero, 255
+; MIPS32R6-NEXT:    sllv $5, $1, $3
+; MIPS32R6-NEXT:    nor $6, $zero, $5
+; MIPS32R6-NEXT:    sllv $4, $4, $3
+; MIPS32R6-NEXT:  $BB11_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $7, 0($2)
+; MIPS32R6-NEXT:    and $8, $4, $5
+; MIPS32R6-NEXT:    and $9, $7, $6
+; MIPS32R6-NEXT:    or $9, $9, $8
+; MIPS32R6-NEXT:    sc $9, 0($2)
+; MIPS32R6-NEXT:    beqzc $9, $BB11_1
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    and $1, $7, $5
+; MIPS32R6-NEXT:    srlv $1, $1, $3
+; MIPS32R6-NEXT:    seb $1, $1
+; MIPS32R6-NEXT:  # %bb.3: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    seb $2, $1
+;
+; MIPS32R6O0-LABEL: AtomicSwap8:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32R6O0-NEXT:    addiu $1, $zero, -4
+; MIPS32R6O0-NEXT:    and $1, $2, $1
+; MIPS32R6O0-NEXT:    andi $2, $2, 3
+; MIPS32R6O0-NEXT:    sll $2, $2, 3
+; MIPS32R6O0-NEXT:    ori $3, $zero, 255
+; MIPS32R6O0-NEXT:    sllv $3, $3, $2
+; MIPS32R6O0-NEXT:    nor $5, $zero, $3
+; MIPS32R6O0-NEXT:    sllv $4, $4, $2
+; MIPS32R6O0-NEXT:  $BB11_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $7, 0($1)
+; MIPS32R6O0-NEXT:    and $8, $4, $3
+; MIPS32R6O0-NEXT:    and $9, $7, $5
+; MIPS32R6O0-NEXT:    or $9, $9, $8
+; MIPS32R6O0-NEXT:    sc $9, 0($1)
+; MIPS32R6O0-NEXT:    beqzc $9, $BB11_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    and $6, $7, $3
+; MIPS32R6O0-NEXT:    srlv $6, $6, $2
+; MIPS32R6O0-NEXT:    seb $6, $6
+; MIPS32R6O0-NEXT:  # %bb.3: # %entry
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $6, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    lw $1, 0($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    seb $2, $1
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicSwap8:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap8)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap8)))
+; MIPS4-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS4-NEXT:    daddiu $2, $zero, -4
+; MIPS4-NEXT:    and $2, $1, $2
+; MIPS4-NEXT:    andi $1, $1, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 255
+; MIPS4-NEXT:    sllv $5, $1, $3
+; MIPS4-NEXT:    nor $6, $zero, $5
+; MIPS4-NEXT:    sllv $4, $4, $3
+; MIPS4-NEXT:  .LBB11_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $7, 0($2)
+; MIPS4-NEXT:    and $8, $4, $5
+; MIPS4-NEXT:    and $9, $7, $6
+; MIPS4-NEXT:    or $9, $9, $8
+; MIPS4-NEXT:    sc $9, 0($2)
+; MIPS4-NEXT:    beqz $9, .LBB11_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    and $1, $7, $5
+; MIPS4-NEXT:    srlv $1, $1, $3
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    sra $1, $1, 24
+; MIPS4-NEXT:  # %bb.3: # %entry
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sra $2, $1, 24
+;
+; MIPS64-LABEL: AtomicSwap8:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64-NEXT:    daddiu $2, $zero, -4
+; MIPS64-NEXT:    and $2, $1, $2
+; MIPS64-NEXT:    andi $1, $1, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 255
+; MIPS64-NEXT:    sllv $5, $1, $3
+; MIPS64-NEXT:    nor $6, $zero, $5
+; MIPS64-NEXT:    sllv $4, $4, $3
+; MIPS64-NEXT:  .LBB11_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $7, 0($2)
+; MIPS64-NEXT:    and $8, $4, $5
+; MIPS64-NEXT:    and $9, $7, $6
+; MIPS64-NEXT:    or $9, $9, $8
+; MIPS64-NEXT:    sc $9, 0($2)
+; MIPS64-NEXT:    beqz $9, .LBB11_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    and $1, $7, $5
+; MIPS64-NEXT:    srlv $1, $1, $3
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    sra $1, $1, 24
+; MIPS64-NEXT:  # %bb.3: # %entry
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sra $2, $1, 24
+;
+; MIPS64R2-LABEL: AtomicSwap8:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R2-NEXT:    daddiu $2, $zero, -4
+; MIPS64R2-NEXT:    and $2, $1, $2
+; MIPS64R2-NEXT:    andi $1, $1, 3
+; MIPS64R2-NEXT:    sll $3, $1, 3
+; MIPS64R2-NEXT:    ori $1, $zero, 255
+; MIPS64R2-NEXT:    sllv $5, $1, $3
+; MIPS64R2-NEXT:    nor $6, $zero, $5
+; MIPS64R2-NEXT:    sllv $4, $4, $3
+; MIPS64R2-NEXT:  .LBB11_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $7, 0($2)
+; MIPS64R2-NEXT:    and $8, $4, $5
+; MIPS64R2-NEXT:    and $9, $7, $6
+; MIPS64R2-NEXT:    or $9, $9, $8
+; MIPS64R2-NEXT:    sc $9, 0($2)
+; MIPS64R2-NEXT:    beqz $9, .LBB11_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    and $1, $7, $5
+; MIPS64R2-NEXT:    srlv $1, $1, $3
+; MIPS64R2-NEXT:    seb $1, $1
+; MIPS64R2-NEXT:  # %bb.3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    seb $2, $1
+;
+; MIPS64R6-LABEL: AtomicSwap8:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6-NEXT:    daddiu $2, $zero, -4
+; MIPS64R6-NEXT:    and $2, $1, $2
+; MIPS64R6-NEXT:    andi $1, $1, 3
+; MIPS64R6-NEXT:    sll $3, $1, 3
+; MIPS64R6-NEXT:    ori $1, $zero, 255
+; MIPS64R6-NEXT:    sllv $5, $1, $3
+; MIPS64R6-NEXT:    nor $6, $zero, $5
+; MIPS64R6-NEXT:    sllv $4, $4, $3
+; MIPS64R6-NEXT:  .LBB11_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $7, 0($2)
+; MIPS64R6-NEXT:    and $8, $4, $5
+; MIPS64R6-NEXT:    and $9, $7, $6
+; MIPS64R6-NEXT:    or $9, $9, $8
+; MIPS64R6-NEXT:    sc $9, 0($2)
+; MIPS64R6-NEXT:    beqzc $9, .LBB11_1
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    and $1, $7, $5
+; MIPS64R6-NEXT:    srlv $1, $1, $3
+; MIPS64R6-NEXT:    seb $1, $1
+; MIPS64R6-NEXT:  # %bb.3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    seb $2, $1
+;
+; MIPS64R6O0-LABEL: AtomicSwap8:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap8)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6O0-NEXT:    daddiu $4, $zero, -4
+; MIPS64R6O0-NEXT:    and $4, $1, $4
+; MIPS64R6O0-NEXT:    andi $3, $1, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 3
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $5, $zero, 255
+; MIPS64R6O0-NEXT:    sllv $5, $5, $3
+; MIPS64R6O0-NEXT:    nor $6, $zero, $5
+; MIPS64R6O0-NEXT:    sllv $2, $2, $3
+; MIPS64R6O0-NEXT:  .LBB11_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $8, 0($4)
+; MIPS64R6O0-NEXT:    and $9, $2, $5
+; MIPS64R6O0-NEXT:    and $10, $8, $6
+; MIPS64R6O0-NEXT:    or $10, $10, $9
+; MIPS64R6O0-NEXT:    sc $10, 0($4)
+; MIPS64R6O0-NEXT:    beqzc $10, .LBB11_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    and $7, $8, $5
+; MIPS64R6O0-NEXT:    srlv $7, $7, $3
+; MIPS64R6O0-NEXT:    seb $7, $7
+; MIPS64R6O0-NEXT:  # %bb.3: # %entry
+; MIPS64R6O0-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    lw $1, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    seb $2, $1
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicSwap8:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(y)($2)
+; MM32-NEXT:    addiu $2, $zero, -4
+; MM32-NEXT:    and $2, $1, $2
+; MM32-NEXT:    andi $1, $1, 3
+; MM32-NEXT:    sll $3, $1, 3
+; MM32-NEXT:    ori $1, $zero, 255
+; MM32-NEXT:    sllv $5, $1, $3
+; MM32-NEXT:    nor $6, $zero, $5
+; MM32-NEXT:    sllv $4, $4, $3
+; MM32-NEXT:  $BB11_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $7, 0($2)
+; MM32-NEXT:    and $8, $4, $5
+; MM32-NEXT:    and $9, $7, $6
+; MM32-NEXT:    or $9, $9, $8
+; MM32-NEXT:    sc $9, 0($2)
+; MM32-NEXT:    beqzc $9, $BB11_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    and $1, $7, $5
+; MM32-NEXT:    srlv $1, $1, $3
+; MM32-NEXT:    seb $1, $1
+; MM32-NEXT:  # %bb.3: # %entry
+; MM32-NEXT:    jr $ra
+; MM32-NEXT:    seb $2, $1
+;
+; O1-LABEL: AtomicSwap8:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(y)($1)
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $2, $1, $2
+; O1-NEXT:    andi $1, $1, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 255
+; O1-NEXT:    sllv $5, $1, $3
+; O1-NEXT:    nor $6, $zero, $5
+; O1-NEXT:    sllv $4, $4, $3
+; O1-NEXT:  $BB11_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $7, 0($2)
+; O1-NEXT:    and $8, $4, $5
+; O1-NEXT:    and $9, $7, $6
+; O1-NEXT:    or $9, $9, $8
+; O1-NEXT:    sc $9, 0($2)
+; O1-NEXT:    beqz $9, $BB11_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    and $1, $7, $5
+; O1-NEXT:    srlv $1, $1, $3
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    sra $1, $1, 24
+; O1-NEXT:  # %bb.3: # %entry
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sra $2, $1, 24
+;
+; O2-LABEL: AtomicSwap8:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(y)($1)
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $2, $1, $2
+; O2-NEXT:    andi $1, $1, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 255
+; O2-NEXT:    sllv $5, $1, $3
+; O2-NEXT:    nor $6, $zero, $5
+; O2-NEXT:    sllv $4, $4, $3
+; O2-NEXT:  $BB11_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $7, 0($2)
+; O2-NEXT:    and $8, $4, $5
+; O2-NEXT:    and $9, $7, $6
+; O2-NEXT:    or $9, $9, $8
+; O2-NEXT:    sc $9, 0($2)
+; O2-NEXT:    beqz $9, $BB11_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    and $1, $7, $5
+; O2-NEXT:    srlv $1, $1, $3
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    sra $1, $1, 24
+; O2-NEXT:  # %bb.3: # %entry
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sra $2, $1, 24
+;
+; O3-LABEL: AtomicSwap8:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    lw $1, %got(y)($1)
+; O3-NEXT:    and $2, $1, $2
+; O3-NEXT:    andi $1, $1, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 255
+; O3-NEXT:    sllv $5, $1, $3
+; O3-NEXT:    sllv $4, $4, $3
+; O3-NEXT:    nor $6, $zero, $5
+; O3-NEXT:  $BB11_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $7, 0($2)
+; O3-NEXT:    and $8, $4, $5
+; O3-NEXT:    and $9, $7, $6
+; O3-NEXT:    or $9, $9, $8
+; O3-NEXT:    sc $9, 0($2)
+; O3-NEXT:    beqz $9, $BB11_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    and $1, $7, $5
+; O3-NEXT:    srlv $1, $1, $3
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    sra $1, $1, 24
+; O3-NEXT:  # %bb.3: # %entry
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sra $2, $1, 24
+;
+; MIPS32EB-LABEL: AtomicSwap8:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(y)($1)
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $2, $1, $2
+; MIPS32EB-NEXT:    andi $1, $1, 3
+; MIPS32EB-NEXT:    xori $1, $1, 3
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 255
+; MIPS32EB-NEXT:    sllv $5, $1, $3
+; MIPS32EB-NEXT:    nor $6, $zero, $5
+; MIPS32EB-NEXT:    sllv $4, $4, $3
+; MIPS32EB-NEXT:  $BB11_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $7, 0($2)
+; MIPS32EB-NEXT:    and $8, $4, $5
+; MIPS32EB-NEXT:    and $9, $7, $6
+; MIPS32EB-NEXT:    or $9, $9, $8
+; MIPS32EB-NEXT:    sc $9, 0($2)
+; MIPS32EB-NEXT:    beqz $9, $BB11_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    and $1, $7, $5
+; MIPS32EB-NEXT:    srlv $1, $1, $3
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    sra $1, $1, 24
+; MIPS32EB-NEXT:  # %bb.3: # %entry
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sra $2, $1, 24
 entry:
   %0 = atomicrmw xchg i8* @y, i8 %newval monotonic
   ret i8 %0
-
-; ALL-LABEL: AtomicSwap8:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
-
-; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
-; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
-; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
-; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
-; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R10:[0-9]+]], 0($[[R2]])
-; ALL:           and     $[[R18:[0-9]+]], $[[R9]], $[[R7]]
-; ALL:           and     $[[R13:[0-9]+]], $[[R10]], $[[R8]]
-; ALL:           or      $[[R14:[0-9]+]], $[[R13]], $[[R18]]
-; ALL:           sc      $[[R14]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R14]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R14]], [[BB0]]
-; MIPSR6:        beqzc   $[[R14]], [[BB0]]
-
-; ALL:           and     $[[R15:[0-9]+]], $[[R10]], $[[R7]]
-; ALL:           srlv    $[[R16:[0-9]+]], $[[R15]], $[[R5]]
-
-; NO-SEB-SEH:    sll     $[[R17:[0-9]+]], $[[R16]], 24
-; NO-SEB-SEH:    sra     $2, $[[R17]], 24
-
-; HAS-SEB-SEH:   seb     $2, $[[R16]]
-
 }
 
 define signext i8 @AtomicCmpSwap8(i8 signext %oldval, i8 signext %newval) nounwind {
+; MIPS32-LABEL: AtomicCmpSwap8:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(y)($1)
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $2, $1, $2
+; MIPS32-NEXT:    andi $1, $1, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 255
+; MIPS32-NEXT:    sllv $6, $1, $3
+; MIPS32-NEXT:    nor $7, $zero, $6
+; MIPS32-NEXT:    andi $1, $4, 255
+; MIPS32-NEXT:    sllv $4, $1, $3
+; MIPS32-NEXT:    andi $1, $5, 255
+; MIPS32-NEXT:    sllv $5, $1, $3
+; MIPS32-NEXT:  $BB12_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $8, 0($2)
+; MIPS32-NEXT:    and $9, $8, $6
+; MIPS32-NEXT:    bne $9, $4, $BB12_3
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS32-NEXT:    and $8, $8, $7
+; MIPS32-NEXT:    or $8, $8, $5
+; MIPS32-NEXT:    sc $8, 0($2)
+; MIPS32-NEXT:    beqz $8, $BB12_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  $BB12_3: # %entry
+; MIPS32-NEXT:    srlv $1, $9, $3
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    sra $1, $1, 24
+; MIPS32-NEXT:  # %bb.4: # %entry
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sra $2, $1, 24
+;
+; MIPS32O0-LABEL: AtomicCmpSwap8:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, -4
+; MIPS32O0-NEXT:    and $25, $2, $25
+; MIPS32O0-NEXT:    andi $2, $2, 3
+; MIPS32O0-NEXT:    sll $2, $2, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 255
+; MIPS32O0-NEXT:    sllv $1, $1, $2
+; MIPS32O0-NEXT:    nor $3, $zero, $1
+; MIPS32O0-NEXT:    andi $4, $4, 255
+; MIPS32O0-NEXT:    sllv $4, $4, $2
+; MIPS32O0-NEXT:    andi $5, $5, 255
+; MIPS32O0-NEXT:    sllv $5, $5, $2
+; MIPS32O0-NEXT:  $BB12_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $7, 0($25)
+; MIPS32O0-NEXT:    and $8, $7, $1
+; MIPS32O0-NEXT:    bne $8, $4, $BB12_3
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS32O0-NEXT:    and $7, $7, $3
+; MIPS32O0-NEXT:    or $7, $7, $5
+; MIPS32O0-NEXT:    sc $7, 0($25)
+; MIPS32O0-NEXT:    beqz $7, $BB12_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  $BB12_3: # %entry
+; MIPS32O0-NEXT:    srlv $6, $8, $2
+; MIPS32O0-NEXT:    sll $6, $6, 24
+; MIPS32O0-NEXT:    sra $6, $6, 24
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    sw $6, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.5: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 24
+; MIPS32O0-NEXT:    sra $2, $2, 24
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicCmpSwap8:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(y)($1)
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $3, $1, $2
+; MIPS32R2-NEXT:    andi $1, $1, 3
+; MIPS32R2-NEXT:    sll $1, $1, 3
+; MIPS32R2-NEXT:    ori $2, $zero, 255
+; MIPS32R2-NEXT:    sllv $6, $2, $1
+; MIPS32R2-NEXT:    nor $7, $zero, $6
+; MIPS32R2-NEXT:    andi $2, $4, 255
+; MIPS32R2-NEXT:    sllv $4, $2, $1
+; MIPS32R2-NEXT:    andi $2, $5, 255
+; MIPS32R2-NEXT:    sllv $5, $2, $1
+; MIPS32R2-NEXT:  $BB12_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $8, 0($3)
+; MIPS32R2-NEXT:    and $9, $8, $6
+; MIPS32R2-NEXT:    bne $9, $4, $BB12_3
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS32R2-NEXT:    and $8, $8, $7
+; MIPS32R2-NEXT:    or $8, $8, $5
+; MIPS32R2-NEXT:    sc $8, 0($3)
+; MIPS32R2-NEXT:    beqz $8, $BB12_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  $BB12_3: # %entry
+; MIPS32R2-NEXT:    srlv $2, $9, $1
+; MIPS32R2-NEXT:    seb $2, $2
+; MIPS32R2-NEXT:  # %bb.4: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicCmpSwap8:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(y)($1)
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $3, $1, $2
+; MIPS32R6-NEXT:    andi $1, $1, 3
+; MIPS32R6-NEXT:    sll $1, $1, 3
+; MIPS32R6-NEXT:    ori $2, $zero, 255
+; MIPS32R6-NEXT:    sllv $6, $2, $1
+; MIPS32R6-NEXT:    nor $7, $zero, $6
+; MIPS32R6-NEXT:    andi $2, $4, 255
+; MIPS32R6-NEXT:    sllv $4, $2, $1
+; MIPS32R6-NEXT:    andi $2, $5, 255
+; MIPS32R6-NEXT:    sllv $5, $2, $1
+; MIPS32R6-NEXT:  $BB12_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $8, 0($3)
+; MIPS32R6-NEXT:    and $9, $8, $6
+; MIPS32R6-NEXT:    bnec $9, $4, $BB12_3
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS32R6-NEXT:    and $8, $8, $7
+; MIPS32R6-NEXT:    or $8, $8, $5
+; MIPS32R6-NEXT:    sc $8, 0($3)
+; MIPS32R6-NEXT:    beqzc $8, $BB12_1
+; MIPS32R6-NEXT:  $BB12_3: # %entry
+; MIPS32R6-NEXT:    srlv $2, $9, $1
+; MIPS32R6-NEXT:    seb $2, $2
+; MIPS32R6-NEXT:  # %bb.4: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicCmpSwap8:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -16
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $5
+; MIPS32R6O0-NEXT:    move $1, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(y)($2)
+; MIPS32R6O0-NEXT:    addiu $3, $zero, -4
+; MIPS32R6O0-NEXT:    and $3, $2, $3
+; MIPS32R6O0-NEXT:    andi $2, $2, 3
+; MIPS32R6O0-NEXT:    sll $2, $2, 3
+; MIPS32R6O0-NEXT:    ori $6, $zero, 255
+; MIPS32R6O0-NEXT:    sllv $6, $6, $2
+; MIPS32R6O0-NEXT:    nor $7, $zero, $6
+; MIPS32R6O0-NEXT:    andi $4, $4, 255
+; MIPS32R6O0-NEXT:    sllv $4, $4, $2
+; MIPS32R6O0-NEXT:    andi $5, $5, 255
+; MIPS32R6O0-NEXT:    sllv $5, $5, $2
+; MIPS32R6O0-NEXT:  $BB12_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $9, 0($3)
+; MIPS32R6O0-NEXT:    and $10, $9, $6
+; MIPS32R6O0-NEXT:    bnec $10, $4, $BB12_3
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS32R6O0-NEXT:    and $9, $9, $7
+; MIPS32R6O0-NEXT:    or $9, $9, $5
+; MIPS32R6O0-NEXT:    sc $9, 0($3)
+; MIPS32R6O0-NEXT:    beqzc $9, $BB12_1
+; MIPS32R6O0-NEXT:  $BB12_3: # %entry
+; MIPS32R6O0-NEXT:    srlv $8, $10, $2
+; MIPS32R6O0-NEXT:    seb $8, $8
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    sw $1, 12($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $8, 8($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.5: # %entry
+; MIPS32R6O0-NEXT:    lw $2, 8($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 16
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicCmpSwap8:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS4-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS4-NEXT:    daddiu $2, $zero, -4
+; MIPS4-NEXT:    and $2, $1, $2
+; MIPS4-NEXT:    andi $1, $1, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 255
+; MIPS4-NEXT:    sllv $6, $1, $3
+; MIPS4-NEXT:    nor $7, $zero, $6
+; MIPS4-NEXT:    andi $1, $4, 255
+; MIPS4-NEXT:    sllv $4, $1, $3
+; MIPS4-NEXT:    andi $1, $5, 255
+; MIPS4-NEXT:    sllv $5, $1, $3
+; MIPS4-NEXT:  .LBB12_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $8, 0($2)
+; MIPS4-NEXT:    and $9, $8, $6
+; MIPS4-NEXT:    bne $9, $4, .LBB12_3
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS4-NEXT:    and $8, $8, $7
+; MIPS4-NEXT:    or $8, $8, $5
+; MIPS4-NEXT:    sc $8, 0($2)
+; MIPS4-NEXT:    beqz $8, .LBB12_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  .LBB12_3: # %entry
+; MIPS4-NEXT:    srlv $1, $9, $3
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    sra $1, $1, 24
+; MIPS4-NEXT:  # %bb.4: # %entry
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sra $2, $1, 24
+;
+; MIPS64-LABEL: AtomicCmpSwap8:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64-NEXT:    daddiu $2, $zero, -4
+; MIPS64-NEXT:    and $2, $1, $2
+; MIPS64-NEXT:    andi $1, $1, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 255
+; MIPS64-NEXT:    sllv $6, $1, $3
+; MIPS64-NEXT:    nor $7, $zero, $6
+; MIPS64-NEXT:    andi $1, $4, 255
+; MIPS64-NEXT:    sllv $4, $1, $3
+; MIPS64-NEXT:    andi $1, $5, 255
+; MIPS64-NEXT:    sllv $5, $1, $3
+; MIPS64-NEXT:  .LBB12_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $8, 0($2)
+; MIPS64-NEXT:    and $9, $8, $6
+; MIPS64-NEXT:    bne $9, $4, .LBB12_3
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS64-NEXT:    and $8, $8, $7
+; MIPS64-NEXT:    or $8, $8, $5
+; MIPS64-NEXT:    sc $8, 0($2)
+; MIPS64-NEXT:    beqz $8, .LBB12_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  .LBB12_3: # %entry
+; MIPS64-NEXT:    srlv $1, $9, $3
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    sra $1, $1, 24
+; MIPS64-NEXT:  # %bb.4: # %entry
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sra $2, $1, 24
+;
+; MIPS64R2-LABEL: AtomicCmpSwap8:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R2-NEXT:    daddiu $2, $zero, -4
+; MIPS64R2-NEXT:    and $3, $1, $2
+; MIPS64R2-NEXT:    andi $1, $1, 3
+; MIPS64R2-NEXT:    sll $1, $1, 3
+; MIPS64R2-NEXT:    ori $2, $zero, 255
+; MIPS64R2-NEXT:    sllv $6, $2, $1
+; MIPS64R2-NEXT:    nor $7, $zero, $6
+; MIPS64R2-NEXT:    andi $2, $4, 255
+; MIPS64R2-NEXT:    sllv $4, $2, $1
+; MIPS64R2-NEXT:    andi $2, $5, 255
+; MIPS64R2-NEXT:    sllv $5, $2, $1
+; MIPS64R2-NEXT:  .LBB12_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $8, 0($3)
+; MIPS64R2-NEXT:    and $9, $8, $6
+; MIPS64R2-NEXT:    bne $9, $4, .LBB12_3
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS64R2-NEXT:    and $8, $8, $7
+; MIPS64R2-NEXT:    or $8, $8, $5
+; MIPS64R2-NEXT:    sc $8, 0($3)
+; MIPS64R2-NEXT:    beqz $8, .LBB12_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  .LBB12_3: # %entry
+; MIPS64R2-NEXT:    srlv $2, $9, $1
+; MIPS64R2-NEXT:    seb $2, $2
+; MIPS64R2-NEXT:  # %bb.4: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicCmpSwap8:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6-NEXT:    daddiu $2, $zero, -4
+; MIPS64R6-NEXT:    and $3, $1, $2
+; MIPS64R6-NEXT:    andi $1, $1, 3
+; MIPS64R6-NEXT:    sll $1, $1, 3
+; MIPS64R6-NEXT:    ori $2, $zero, 255
+; MIPS64R6-NEXT:    sllv $6, $2, $1
+; MIPS64R6-NEXT:    nor $7, $zero, $6
+; MIPS64R6-NEXT:    andi $2, $4, 255
+; MIPS64R6-NEXT:    sllv $4, $2, $1
+; MIPS64R6-NEXT:    andi $2, $5, 255
+; MIPS64R6-NEXT:    sllv $5, $2, $1
+; MIPS64R6-NEXT:  .LBB12_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $8, 0($3)
+; MIPS64R6-NEXT:    and $9, $8, $6
+; MIPS64R6-NEXT:    bnec $9, $4, .LBB12_3
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS64R6-NEXT:    and $8, $8, $7
+; MIPS64R6-NEXT:    or $8, $8, $5
+; MIPS64R6-NEXT:    sc $8, 0($3)
+; MIPS64R6-NEXT:    beqzc $8, .LBB12_1
+; MIPS64R6-NEXT:  .LBB12_3: # %entry
+; MIPS64R6-NEXT:    srlv $2, $9, $1
+; MIPS64R6-NEXT:    seb $2, $2
+; MIPS64R6-NEXT:  # %bb.4: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicCmpSwap8:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap8)))
+; MIPS64R6O0-NEXT:    move $2, $5
+; MIPS64R6O0-NEXT:    move $3, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(y)($1)
+; MIPS64R6O0-NEXT:    daddiu $4, $zero, -4
+; MIPS64R6O0-NEXT:    and $4, $1, $4
+; MIPS64R6O0-NEXT:    andi $6, $1, 3
+; MIPS64R6O0-NEXT:    xori $6, $6, 3
+; MIPS64R6O0-NEXT:    sll $6, $6, 3
+; MIPS64R6O0-NEXT:    ori $7, $zero, 255
+; MIPS64R6O0-NEXT:    sllv $7, $7, $6
+; MIPS64R6O0-NEXT:    nor $8, $zero, $7
+; MIPS64R6O0-NEXT:    andi $3, $3, 255
+; MIPS64R6O0-NEXT:    sllv $3, $3, $6
+; MIPS64R6O0-NEXT:    andi $2, $2, 255
+; MIPS64R6O0-NEXT:    sllv $2, $2, $6
+; MIPS64R6O0-NEXT:  .LBB12_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $10, 0($4)
+; MIPS64R6O0-NEXT:    and $11, $10, $7
+; MIPS64R6O0-NEXT:    bnec $11, $3, .LBB12_3
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS64R6O0-NEXT:    and $10, $10, $8
+; MIPS64R6O0-NEXT:    or $10, $10, $2
+; MIPS64R6O0-NEXT:    sc $10, 0($4)
+; MIPS64R6O0-NEXT:    beqzc $10, .LBB12_1
+; MIPS64R6O0-NEXT:  .LBB12_3: # %entry
+; MIPS64R6O0-NEXT:    srlv $9, $11, $6
+; MIPS64R6O0-NEXT:    seb $9, $9
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    sw $9, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.5: # %entry
+; MIPS64R6O0-NEXT:    lw $2, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicCmpSwap8:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(y)($2)
+; MM32-NEXT:    addiu $2, $zero, -4
+; MM32-NEXT:    and $3, $1, $2
+; MM32-NEXT:    andi $1, $1, 3
+; MM32-NEXT:    sll $1, $1, 3
+; MM32-NEXT:    ori $2, $zero, 255
+; MM32-NEXT:    sllv $6, $2, $1
+; MM32-NEXT:    nor $7, $zero, $6
+; MM32-NEXT:    andi $2, $4, 255
+; MM32-NEXT:    sllv $4, $2, $1
+; MM32-NEXT:    andi $2, $5, 255
+; MM32-NEXT:    sllv $5, $2, $1
+; MM32-NEXT:  $BB12_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $8, 0($3)
+; MM32-NEXT:    and $9, $8, $6
+; MM32-NEXT:    bne $9, $4, $BB12_3
+; MM32-NEXT:    nop
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MM32-NEXT:    and $8, $8, $7
+; MM32-NEXT:    or $8, $8, $5
+; MM32-NEXT:    sc $8, 0($3)
+; MM32-NEXT:    beqzc $8, $BB12_1
+; MM32-NEXT:  $BB12_3: # %entry
+; MM32-NEXT:    srlv $2, $9, $1
+; MM32-NEXT:    seb $2, $2
+; MM32-NEXT:  # %bb.4: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicCmpSwap8:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(y)($1)
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $2, $1, $2
+; O1-NEXT:    andi $1, $1, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 255
+; O1-NEXT:    sllv $6, $1, $3
+; O1-NEXT:    nor $7, $zero, $6
+; O1-NEXT:    andi $1, $4, 255
+; O1-NEXT:    sllv $4, $1, $3
+; O1-NEXT:    andi $1, $5, 255
+; O1-NEXT:    sllv $5, $1, $3
+; O1-NEXT:  $BB12_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $8, 0($2)
+; O1-NEXT:    and $9, $8, $6
+; O1-NEXT:    bne $9, $4, $BB12_3
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; O1-NEXT:    and $8, $8, $7
+; O1-NEXT:    or $8, $8, $5
+; O1-NEXT:    sc $8, 0($2)
+; O1-NEXT:    beqz $8, $BB12_1
+; O1-NEXT:    nop
+; O1-NEXT:  $BB12_3: # %entry
+; O1-NEXT:    srlv $1, $9, $3
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    sra $1, $1, 24
+; O1-NEXT:  # %bb.4: # %entry
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sra $2, $1, 24
+;
+; O2-LABEL: AtomicCmpSwap8:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(y)($1)
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $2, $1, $2
+; O2-NEXT:    andi $1, $1, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 255
+; O2-NEXT:    sllv $6, $1, $3
+; O2-NEXT:    nor $7, $zero, $6
+; O2-NEXT:    andi $1, $4, 255
+; O2-NEXT:    sllv $4, $1, $3
+; O2-NEXT:    andi $1, $5, 255
+; O2-NEXT:    sllv $5, $1, $3
+; O2-NEXT:  $BB12_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $8, 0($2)
+; O2-NEXT:    and $9, $8, $6
+; O2-NEXT:    bne $9, $4, $BB12_3
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; O2-NEXT:    and $8, $8, $7
+; O2-NEXT:    or $8, $8, $5
+; O2-NEXT:    sc $8, 0($2)
+; O2-NEXT:    beqz $8, $BB12_1
+; O2-NEXT:    nop
+; O2-NEXT:  $BB12_3: # %entry
+; O2-NEXT:    srlv $1, $9, $3
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    sra $1, $1, 24
+; O2-NEXT:  # %bb.4: # %entry
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sra $2, $1, 24
+;
+; O3-LABEL: AtomicCmpSwap8:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    lw $1, %got(y)($1)
+; O3-NEXT:    and $2, $1, $2
+; O3-NEXT:    andi $1, $1, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 255
+; O3-NEXT:    sllv $6, $1, $3
+; O3-NEXT:    andi $1, $4, 255
+; O3-NEXT:    sllv $4, $1, $3
+; O3-NEXT:    andi $1, $5, 255
+; O3-NEXT:    nor $7, $zero, $6
+; O3-NEXT:    sllv $5, $1, $3
+; O3-NEXT:  $BB12_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $8, 0($2)
+; O3-NEXT:    and $9, $8, $6
+; O3-NEXT:    bne $9, $4, $BB12_3
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; O3-NEXT:    and $8, $8, $7
+; O3-NEXT:    or $8, $8, $5
+; O3-NEXT:    sc $8, 0($2)
+; O3-NEXT:    beqz $8, $BB12_1
+; O3-NEXT:    nop
+; O3-NEXT:  $BB12_3: # %entry
+; O3-NEXT:    srlv $1, $9, $3
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    sra $1, $1, 24
+; O3-NEXT:  # %bb.4: # %entry
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sra $2, $1, 24
+;
+; MIPS32EB-LABEL: AtomicCmpSwap8:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(y)($1)
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $2, $1, $2
+; MIPS32EB-NEXT:    andi $1, $1, 3
+; MIPS32EB-NEXT:    xori $1, $1, 3
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 255
+; MIPS32EB-NEXT:    sllv $6, $1, $3
+; MIPS32EB-NEXT:    nor $7, $zero, $6
+; MIPS32EB-NEXT:    andi $1, $4, 255
+; MIPS32EB-NEXT:    sllv $4, $1, $3
+; MIPS32EB-NEXT:    andi $1, $5, 255
+; MIPS32EB-NEXT:    sllv $5, $1, $3
+; MIPS32EB-NEXT:  $BB12_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $8, 0($2)
+; MIPS32EB-NEXT:    and $9, $8, $6
+; MIPS32EB-NEXT:    bne $9, $4, $BB12_3
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    # in Loop: Header=BB12_1 Depth=1
+; MIPS32EB-NEXT:    and $8, $8, $7
+; MIPS32EB-NEXT:    or $8, $8, $5
+; MIPS32EB-NEXT:    sc $8, 0($2)
+; MIPS32EB-NEXT:    beqz $8, $BB12_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  $BB12_3: # %entry
+; MIPS32EB-NEXT:    srlv $1, $9, $3
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    sra $1, $1, 24
+; MIPS32EB-NEXT:  # %bb.4: # %entry
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sra $2, $1, 24
 entry:
   %pair0 = cmpxchg i8* @y, i8 %oldval, i8 %newval monotonic monotonic
   %0 = extractvalue { i8, i1 } %pair0, 0
   ret i8 %0
-
-; ALL-LABEL: AtomicCmpSwap8:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
-
-; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
-; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
-; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
-; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
-; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:           andi    $[[R9:[0-9]+]], $4, 255
-; ALL:           sllv    $[[R10:[0-9]+]], $[[R9]], $[[R5]]
-; ALL:           andi    $[[R11:[0-9]+]], $5, 255
-; ALL:           sllv    $[[R12:[0-9]+]], $[[R11]], $[[R5]]
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R13:[0-9]+]], 0($[[R2]])
-; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
-; NOT-MICROMIPS: bne     $[[R14]], $[[R10]], [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; MICROMIPS:     bne     $[[R14]], $[[R10]], [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; MIPSR6:        bnec    $[[R14]], $[[R10]], [[BB1:(\$|\.L)[A-Z_0-9]+]]
-
-; ALL:           and     $[[R15:[0-9]+]], $[[R13]], $[[R8]]
-; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R12]]
-; ALL:           sc      $[[R16]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R16]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R16]], [[BB0]]
-; MIPSR6:        beqzc   $[[R16]], [[BB0]]
-
-; ALL:       [[BB1]]:
-; ALL:           srlv    $[[R17:[0-9]+]], $[[R14]], $[[R5]]
-
-; NO-SEB-SEH:    sll     $[[R18:[0-9]+]], $[[R17]], 24
-; NO-SEB-SEH:    sra     $2, $[[R18]], 24
-
-; HAS-SEB-SEH:   seb     $2, $[[R17]]
 }
 
 define i1 @AtomicCmpSwapRes8(i8* %ptr, i8 signext %oldval, i8 signext %newval) nounwind {
+; MIPS32-LABEL: AtomicCmpSwapRes8:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    addiu $1, $zero, -4
+; MIPS32-NEXT:    and $2, $4, $1
+; MIPS32-NEXT:    andi $1, $4, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 255
+; MIPS32-NEXT:    sllv $4, $1, $3
+; MIPS32-NEXT:    nor $7, $zero, $4
+; MIPS32-NEXT:    andi $1, $5, 255
+; MIPS32-NEXT:    sllv $8, $1, $3
+; MIPS32-NEXT:    andi $1, $6, 255
+; MIPS32-NEXT:    sllv $6, $1, $3
+; MIPS32-NEXT:  $BB13_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $9, 0($2)
+; MIPS32-NEXT:    and $10, $9, $4
+; MIPS32-NEXT:    bne $10, $8, $BB13_3
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS32-NEXT:    and $9, $9, $7
+; MIPS32-NEXT:    or $9, $9, $6
+; MIPS32-NEXT:    sc $9, 0($2)
+; MIPS32-NEXT:    beqz $9, $BB13_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  $BB13_3: # %entry
+; MIPS32-NEXT:    srlv $1, $10, $3
+; MIPS32-NEXT:    sll $1, $1, 24
+; MIPS32-NEXT:    sra $1, $1, 24
+; MIPS32-NEXT:  # %bb.4: # %entry
+; MIPS32-NEXT:    sll $2, $5, 24
+; MIPS32-NEXT:    sra $2, $2, 24
+; MIPS32-NEXT:    xor $1, $1, $2
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sltiu $2, $1, 1
+;
+; MIPS32O0-LABEL: AtomicCmpSwapRes8:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addiu $1, $zero, -4
+; MIPS32O0-NEXT:    and $1, $4, $1
+; MIPS32O0-NEXT:    andi $4, $4, 3
+; MIPS32O0-NEXT:    sll $4, $4, 3
+; MIPS32O0-NEXT:    ori $2, $zero, 255
+; MIPS32O0-NEXT:    sllv $2, $2, $4
+; MIPS32O0-NEXT:    nor $3, $zero, $2
+; MIPS32O0-NEXT:    andi $7, $5, 255
+; MIPS32O0-NEXT:    sllv $7, $7, $4
+; MIPS32O0-NEXT:    andi $6, $6, 255
+; MIPS32O0-NEXT:    sllv $6, $6, $4
+; MIPS32O0-NEXT:  $BB13_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $9, 0($1)
+; MIPS32O0-NEXT:    and $10, $9, $2
+; MIPS32O0-NEXT:    bne $10, $7, $BB13_3
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS32O0-NEXT:    and $9, $9, $3
+; MIPS32O0-NEXT:    or $9, $9, $6
+; MIPS32O0-NEXT:    sc $9, 0($1)
+; MIPS32O0-NEXT:    beqz $9, $BB13_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  $BB13_3: # %entry
+; MIPS32O0-NEXT:    srlv $8, $10, $4
+; MIPS32O0-NEXT:    sll $8, $8, 24
+; MIPS32O0-NEXT:    sra $8, $8, 24
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    sw $8, 0($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.5: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 24
+; MIPS32O0-NEXT:    sra $2, $2, 24
+; MIPS32O0-NEXT:    lw $3, 0($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    xor $2, $3, $2
+; MIPS32O0-NEXT:    sltiu $2, $2, 1
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicCmpSwapRes8:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    addiu $1, $zero, -4
+; MIPS32R2-NEXT:    and $2, $4, $1
+; MIPS32R2-NEXT:    andi $1, $4, 3
+; MIPS32R2-NEXT:    sll $3, $1, 3
+; MIPS32R2-NEXT:    ori $1, $zero, 255
+; MIPS32R2-NEXT:    sllv $4, $1, $3
+; MIPS32R2-NEXT:    nor $7, $zero, $4
+; MIPS32R2-NEXT:    andi $1, $5, 255
+; MIPS32R2-NEXT:    sllv $8, $1, $3
+; MIPS32R2-NEXT:    andi $1, $6, 255
+; MIPS32R2-NEXT:    sllv $6, $1, $3
+; MIPS32R2-NEXT:  $BB13_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $9, 0($2)
+; MIPS32R2-NEXT:    and $10, $9, $4
+; MIPS32R2-NEXT:    bne $10, $8, $BB13_3
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS32R2-NEXT:    and $9, $9, $7
+; MIPS32R2-NEXT:    or $9, $9, $6
+; MIPS32R2-NEXT:    sc $9, 0($2)
+; MIPS32R2-NEXT:    beqz $9, $BB13_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  $BB13_3: # %entry
+; MIPS32R2-NEXT:    srlv $1, $10, $3
+; MIPS32R2-NEXT:    seb $1, $1
+; MIPS32R2-NEXT:  # %bb.4: # %entry
+; MIPS32R2-NEXT:    xor $1, $1, $5
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    sltiu $2, $1, 1
+;
+; MIPS32R6-LABEL: AtomicCmpSwapRes8:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    addiu $1, $zero, -4
+; MIPS32R6-NEXT:    and $2, $4, $1
+; MIPS32R6-NEXT:    andi $1, $4, 3
+; MIPS32R6-NEXT:    sll $3, $1, 3
+; MIPS32R6-NEXT:    ori $1, $zero, 255
+; MIPS32R6-NEXT:    sllv $4, $1, $3
+; MIPS32R6-NEXT:    nor $7, $zero, $4
+; MIPS32R6-NEXT:    andi $1, $5, 255
+; MIPS32R6-NEXT:    sllv $8, $1, $3
+; MIPS32R6-NEXT:    andi $1, $6, 255
+; MIPS32R6-NEXT:    sllv $6, $1, $3
+; MIPS32R6-NEXT:  $BB13_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $9, 0($2)
+; MIPS32R6-NEXT:    and $10, $9, $4
+; MIPS32R6-NEXT:    bnec $10, $8, $BB13_3
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS32R6-NEXT:    and $9, $9, $7
+; MIPS32R6-NEXT:    or $9, $9, $6
+; MIPS32R6-NEXT:    sc $9, 0($2)
+; MIPS32R6-NEXT:    beqzc $9, $BB13_1
+; MIPS32R6-NEXT:  $BB13_3: # %entry
+; MIPS32R6-NEXT:    srlv $1, $10, $3
+; MIPS32R6-NEXT:    seb $1, $1
+; MIPS32R6-NEXT:  # %bb.4: # %entry
+; MIPS32R6-NEXT:    xor $1, $1, $5
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    sltiu $2, $1, 1
+;
+; MIPS32R6O0-LABEL: AtomicCmpSwapRes8:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -24
+; MIPS32R6O0-NEXT:    move $1, $6
+; MIPS32R6O0-NEXT:    move $2, $5
+; MIPS32R6O0-NEXT:    move $3, $4
+; MIPS32R6O0-NEXT:    addiu $7, $zero, -4
+; MIPS32R6O0-NEXT:    and $7, $4, $7
+; MIPS32R6O0-NEXT:    andi $4, $4, 3
+; MIPS32R6O0-NEXT:    sll $4, $4, 3
+; MIPS32R6O0-NEXT:    ori $8, $zero, 255
+; MIPS32R6O0-NEXT:    sllv $8, $8, $4
+; MIPS32R6O0-NEXT:    nor $9, $zero, $8
+; MIPS32R6O0-NEXT:    andi $10, $5, 255
+; MIPS32R6O0-NEXT:    sllv $10, $10, $4
+; MIPS32R6O0-NEXT:    andi $6, $6, 255
+; MIPS32R6O0-NEXT:    sllv $6, $6, $4
+; MIPS32R6O0-NEXT:  $BB13_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $12, 0($7)
+; MIPS32R6O0-NEXT:    and $13, $12, $8
+; MIPS32R6O0-NEXT:    bnec $13, $10, $BB13_3
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS32R6O0-NEXT:    and $12, $12, $9
+; MIPS32R6O0-NEXT:    or $12, $12, $6
+; MIPS32R6O0-NEXT:    sc $12, 0($7)
+; MIPS32R6O0-NEXT:    beqzc $12, $BB13_1
+; MIPS32R6O0-NEXT:  $BB13_3: # %entry
+; MIPS32R6O0-NEXT:    srlv $11, $13, $4
+; MIPS32R6O0-NEXT:    seb $11, $11
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    sw $11, 20($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $5, 16($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $3, 12($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $1, 8($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $2, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.5: # %entry
+; MIPS32R6O0-NEXT:    lw $1, 20($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    lw $2, 16($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    xor $1, $1, $2
+; MIPS32R6O0-NEXT:    sltiu $2, $1, 1
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 24
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicCmpSwapRes8:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    daddiu $1, $zero, -4
+; MIPS4-NEXT:    and $2, $4, $1
+; MIPS4-NEXT:    andi $1, $4, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 255
+; MIPS4-NEXT:    sllv $4, $1, $3
+; MIPS4-NEXT:    nor $7, $zero, $4
+; MIPS4-NEXT:    andi $1, $5, 255
+; MIPS4-NEXT:    sllv $8, $1, $3
+; MIPS4-NEXT:    andi $1, $6, 255
+; MIPS4-NEXT:    sllv $6, $1, $3
+; MIPS4-NEXT:  .LBB13_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $9, 0($2)
+; MIPS4-NEXT:    and $10, $9, $4
+; MIPS4-NEXT:    bne $10, $8, .LBB13_3
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS4-NEXT:    and $9, $9, $7
+; MIPS4-NEXT:    or $9, $9, $6
+; MIPS4-NEXT:    sc $9, 0($2)
+; MIPS4-NEXT:    beqz $9, .LBB13_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  .LBB13_3: # %entry
+; MIPS4-NEXT:    srlv $1, $10, $3
+; MIPS4-NEXT:    sll $1, $1, 24
+; MIPS4-NEXT:    sra $1, $1, 24
+; MIPS4-NEXT:  # %bb.4: # %entry
+; MIPS4-NEXT:    sll $2, $5, 24
+; MIPS4-NEXT:    sra $2, $2, 24
+; MIPS4-NEXT:    xor $1, $1, $2
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sltiu $2, $1, 1
+;
+; MIPS64-LABEL: AtomicCmpSwapRes8:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    daddiu $1, $zero, -4
+; MIPS64-NEXT:    and $2, $4, $1
+; MIPS64-NEXT:    andi $1, $4, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 255
+; MIPS64-NEXT:    sllv $4, $1, $3
+; MIPS64-NEXT:    nor $7, $zero, $4
+; MIPS64-NEXT:    andi $1, $5, 255
+; MIPS64-NEXT:    sllv $8, $1, $3
+; MIPS64-NEXT:    andi $1, $6, 255
+; MIPS64-NEXT:    sllv $6, $1, $3
+; MIPS64-NEXT:  .LBB13_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $9, 0($2)
+; MIPS64-NEXT:    and $10, $9, $4
+; MIPS64-NEXT:    bne $10, $8, .LBB13_3
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS64-NEXT:    and $9, $9, $7
+; MIPS64-NEXT:    or $9, $9, $6
+; MIPS64-NEXT:    sc $9, 0($2)
+; MIPS64-NEXT:    beqz $9, .LBB13_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  .LBB13_3: # %entry
+; MIPS64-NEXT:    srlv $1, $10, $3
+; MIPS64-NEXT:    sll $1, $1, 24
+; MIPS64-NEXT:    sra $1, $1, 24
+; MIPS64-NEXT:  # %bb.4: # %entry
+; MIPS64-NEXT:    sll $2, $5, 24
+; MIPS64-NEXT:    sra $2, $2, 24
+; MIPS64-NEXT:    xor $1, $1, $2
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sltiu $2, $1, 1
+;
+; MIPS64R2-LABEL: AtomicCmpSwapRes8:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    daddiu $1, $zero, -4
+; MIPS64R2-NEXT:    and $2, $4, $1
+; MIPS64R2-NEXT:    andi $1, $4, 3
+; MIPS64R2-NEXT:    sll $3, $1, 3
+; MIPS64R2-NEXT:    ori $1, $zero, 255
+; MIPS64R2-NEXT:    sllv $4, $1, $3
+; MIPS64R2-NEXT:    nor $7, $zero, $4
+; MIPS64R2-NEXT:    andi $1, $5, 255
+; MIPS64R2-NEXT:    sllv $8, $1, $3
+; MIPS64R2-NEXT:    andi $1, $6, 255
+; MIPS64R2-NEXT:    sllv $6, $1, $3
+; MIPS64R2-NEXT:  .LBB13_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $9, 0($2)
+; MIPS64R2-NEXT:    and $10, $9, $4
+; MIPS64R2-NEXT:    bne $10, $8, .LBB13_3
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS64R2-NEXT:    and $9, $9, $7
+; MIPS64R2-NEXT:    or $9, $9, $6
+; MIPS64R2-NEXT:    sc $9, 0($2)
+; MIPS64R2-NEXT:    beqz $9, .LBB13_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  .LBB13_3: # %entry
+; MIPS64R2-NEXT:    srlv $1, $10, $3
+; MIPS64R2-NEXT:    seb $1, $1
+; MIPS64R2-NEXT:  # %bb.4: # %entry
+; MIPS64R2-NEXT:    xor $1, $1, $5
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    sltiu $2, $1, 1
+;
+; MIPS64R6-LABEL: AtomicCmpSwapRes8:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    daddiu $1, $zero, -4
+; MIPS64R6-NEXT:    and $2, $4, $1
+; MIPS64R6-NEXT:    andi $1, $4, 3
+; MIPS64R6-NEXT:    sll $3, $1, 3
+; MIPS64R6-NEXT:    ori $1, $zero, 255
+; MIPS64R6-NEXT:    sllv $4, $1, $3
+; MIPS64R6-NEXT:    nor $7, $zero, $4
+; MIPS64R6-NEXT:    andi $1, $5, 255
+; MIPS64R6-NEXT:    sllv $8, $1, $3
+; MIPS64R6-NEXT:    andi $1, $6, 255
+; MIPS64R6-NEXT:    sllv $6, $1, $3
+; MIPS64R6-NEXT:  .LBB13_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $9, 0($2)
+; MIPS64R6-NEXT:    and $10, $9, $4
+; MIPS64R6-NEXT:    bnec $10, $8, .LBB13_3
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS64R6-NEXT:    and $9, $9, $7
+; MIPS64R6-NEXT:    or $9, $9, $6
+; MIPS64R6-NEXT:    sc $9, 0($2)
+; MIPS64R6-NEXT:    beqzc $9, .LBB13_1
+; MIPS64R6-NEXT:  .LBB13_3: # %entry
+; MIPS64R6-NEXT:    srlv $1, $10, $3
+; MIPS64R6-NEXT:    seb $1, $1
+; MIPS64R6-NEXT:  # %bb.4: # %entry
+; MIPS64R6-NEXT:    xor $1, $1, $5
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    sltiu $2, $1, 1
+;
+; MIPS64R6O0-LABEL: AtomicCmpSwapRes8:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    move $1, $6
+; MIPS64R6O0-NEXT:    move $2, $5
+; MIPS64R6O0-NEXT:    move $5, $4
+; MIPS64R6O0-NEXT:    daddiu $6, $zero, -4
+; MIPS64R6O0-NEXT:    and $6, $4, $6
+; MIPS64R6O0-NEXT:    andi $3, $4, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 3
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $7, $zero, 255
+; MIPS64R6O0-NEXT:    sllv $7, $7, $3
+; MIPS64R6O0-NEXT:    nor $8, $zero, $7
+; MIPS64R6O0-NEXT:    andi $9, $2, 255
+; MIPS64R6O0-NEXT:    sllv $9, $9, $3
+; MIPS64R6O0-NEXT:    andi $1, $1, 255
+; MIPS64R6O0-NEXT:    sllv $1, $1, $3
+; MIPS64R6O0-NEXT:  .LBB13_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $11, 0($6)
+; MIPS64R6O0-NEXT:    and $12, $11, $7
+; MIPS64R6O0-NEXT:    bnec $12, $9, .LBB13_3
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS64R6O0-NEXT:    and $11, $11, $8
+; MIPS64R6O0-NEXT:    or $11, $11, $1
+; MIPS64R6O0-NEXT:    sc $11, 0($6)
+; MIPS64R6O0-NEXT:    beqzc $11, .LBB13_1
+; MIPS64R6O0-NEXT:  .LBB13_3: # %entry
+; MIPS64R6O0-NEXT:    srlv $10, $12, $3
+; MIPS64R6O0-NEXT:    seb $10, $10
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    sd $5, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    sw $10, 4($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    sw $2, 0($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.5: # %entry
+; MIPS64R6O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    lw $2, 0($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    xor $1, $1, $2
+; MIPS64R6O0-NEXT:    sltiu $2, $1, 1
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicCmpSwapRes8:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    addiu $1, $zero, -4
+; MM32-NEXT:    and $2, $4, $1
+; MM32-NEXT:    andi $1, $4, 3
+; MM32-NEXT:    sll $3, $1, 3
+; MM32-NEXT:    ori $1, $zero, 255
+; MM32-NEXT:    sllv $4, $1, $3
+; MM32-NEXT:    nor $7, $zero, $4
+; MM32-NEXT:    andi $1, $5, 255
+; MM32-NEXT:    sllv $8, $1, $3
+; MM32-NEXT:    andi $1, $6, 255
+; MM32-NEXT:    sllv $6, $1, $3
+; MM32-NEXT:  $BB13_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $9, 0($2)
+; MM32-NEXT:    and $10, $9, $4
+; MM32-NEXT:    bne $10, $8, $BB13_3
+; MM32-NEXT:    nop
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MM32-NEXT:    and $9, $9, $7
+; MM32-NEXT:    or $9, $9, $6
+; MM32-NEXT:    sc $9, 0($2)
+; MM32-NEXT:    beqzc $9, $BB13_1
+; MM32-NEXT:  $BB13_3: # %entry
+; MM32-NEXT:    srlv $1, $10, $3
+; MM32-NEXT:    seb $1, $1
+; MM32-NEXT:  # %bb.4: # %entry
+; MM32-NEXT:    xor $1, $1, $5
+; MM32-NEXT:    jr $ra
+; MM32-NEXT:    sltiu $2, $1, 1
+;
+; O1-LABEL: AtomicCmpSwapRes8:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    addiu $1, $zero, -4
+; O1-NEXT:    and $2, $4, $1
+; O1-NEXT:    andi $1, $4, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 255
+; O1-NEXT:    sllv $4, $1, $3
+; O1-NEXT:    nor $7, $zero, $4
+; O1-NEXT:    andi $1, $5, 255
+; O1-NEXT:    sllv $8, $1, $3
+; O1-NEXT:    andi $1, $6, 255
+; O1-NEXT:    sllv $6, $1, $3
+; O1-NEXT:  $BB13_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $9, 0($2)
+; O1-NEXT:    and $10, $9, $4
+; O1-NEXT:    bne $10, $8, $BB13_3
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; O1-NEXT:    and $9, $9, $7
+; O1-NEXT:    or $9, $9, $6
+; O1-NEXT:    sc $9, 0($2)
+; O1-NEXT:    beqz $9, $BB13_1
+; O1-NEXT:    nop
+; O1-NEXT:  $BB13_3: # %entry
+; O1-NEXT:    srlv $1, $10, $3
+; O1-NEXT:    sll $1, $1, 24
+; O1-NEXT:    sra $1, $1, 24
+; O1-NEXT:  # %bb.4: # %entry
+; O1-NEXT:    sll $2, $5, 24
+; O1-NEXT:    sra $2, $2, 24
+; O1-NEXT:    xor $1, $1, $2
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sltiu $2, $1, 1
+;
+; O2-LABEL: AtomicCmpSwapRes8:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    addiu $1, $zero, -4
+; O2-NEXT:    and $2, $4, $1
+; O2-NEXT:    andi $1, $4, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 255
+; O2-NEXT:    sllv $4, $1, $3
+; O2-NEXT:    nor $7, $zero, $4
+; O2-NEXT:    andi $1, $5, 255
+; O2-NEXT:    sllv $8, $1, $3
+; O2-NEXT:    andi $1, $6, 255
+; O2-NEXT:    sllv $6, $1, $3
+; O2-NEXT:  $BB13_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $9, 0($2)
+; O2-NEXT:    and $10, $9, $4
+; O2-NEXT:    bne $10, $8, $BB13_3
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; O2-NEXT:    and $9, $9, $7
+; O2-NEXT:    or $9, $9, $6
+; O2-NEXT:    sc $9, 0($2)
+; O2-NEXT:    beqz $9, $BB13_1
+; O2-NEXT:    nop
+; O2-NEXT:  $BB13_3: # %entry
+; O2-NEXT:    srlv $1, $10, $3
+; O2-NEXT:    sll $1, $1, 24
+; O2-NEXT:    sra $1, $1, 24
+; O2-NEXT:  # %bb.4: # %entry
+; O2-NEXT:    sll $2, $5, 24
+; O2-NEXT:    sra $2, $2, 24
+; O2-NEXT:    xor $1, $1, $2
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sltiu $2, $1, 1
+;
+; O3-LABEL: AtomicCmpSwapRes8:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    addiu $1, $zero, -4
+; O3-NEXT:    and $2, $4, $1
+; O3-NEXT:    andi $1, $4, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 255
+; O3-NEXT:    sllv $4, $1, $3
+; O3-NEXT:    andi $1, $5, 255
+; O3-NEXT:    sllv $8, $1, $3
+; O3-NEXT:    andi $1, $6, 255
+; O3-NEXT:    nor $7, $zero, $4
+; O3-NEXT:    sllv $6, $1, $3
+; O3-NEXT:  $BB13_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $9, 0($2)
+; O3-NEXT:    and $10, $9, $4
+; O3-NEXT:    bne $10, $8, $BB13_3
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; O3-NEXT:    and $9, $9, $7
+; O3-NEXT:    or $9, $9, $6
+; O3-NEXT:    sc $9, 0($2)
+; O3-NEXT:    beqz $9, $BB13_1
+; O3-NEXT:    nop
+; O3-NEXT:  $BB13_3: # %entry
+; O3-NEXT:    srlv $1, $10, $3
+; O3-NEXT:    sll $1, $1, 24
+; O3-NEXT:    sra $1, $1, 24
+; O3-NEXT:  # %bb.4: # %entry
+; O3-NEXT:    sll $2, $5, 24
+; O3-NEXT:    sra $2, $2, 24
+; O3-NEXT:    xor $1, $1, $2
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sltiu $2, $1, 1
+;
+; MIPS32EB-LABEL: AtomicCmpSwapRes8:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    addiu $1, $zero, -4
+; MIPS32EB-NEXT:    and $2, $4, $1
+; MIPS32EB-NEXT:    andi $1, $4, 3
+; MIPS32EB-NEXT:    xori $1, $1, 3
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 255
+; MIPS32EB-NEXT:    sllv $4, $1, $3
+; MIPS32EB-NEXT:    nor $7, $zero, $4
+; MIPS32EB-NEXT:    andi $1, $5, 255
+; MIPS32EB-NEXT:    sllv $8, $1, $3
+; MIPS32EB-NEXT:    andi $1, $6, 255
+; MIPS32EB-NEXT:    sllv $6, $1, $3
+; MIPS32EB-NEXT:  $BB13_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $9, 0($2)
+; MIPS32EB-NEXT:    and $10, $9, $4
+; MIPS32EB-NEXT:    bne $10, $8, $BB13_3
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    # in Loop: Header=BB13_1 Depth=1
+; MIPS32EB-NEXT:    and $9, $9, $7
+; MIPS32EB-NEXT:    or $9, $9, $6
+; MIPS32EB-NEXT:    sc $9, 0($2)
+; MIPS32EB-NEXT:    beqz $9, $BB13_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  $BB13_3: # %entry
+; MIPS32EB-NEXT:    srlv $1, $10, $3
+; MIPS32EB-NEXT:    sll $1, $1, 24
+; MIPS32EB-NEXT:    sra $1, $1, 24
+; MIPS32EB-NEXT:  # %bb.4: # %entry
+; MIPS32EB-NEXT:    sll $2, $5, 24
+; MIPS32EB-NEXT:    sra $2, $2, 24
+; MIPS32EB-NEXT:    xor $1, $1, $2
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sltiu $2, $1, 1
 entry:
   %0 = cmpxchg i8* %ptr, i8 %oldval, i8 %newval monotonic monotonic
   %1 = extractvalue { i8, i1 } %0, 1
   ret i1 %1
-; ALL-LABEL: AtomicCmpSwapRes8
-
-; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:           and     $[[R2:[0-9]+]], $4, $[[R1]]
-; ALL:           andi    $[[R3:[0-9]+]], $4, 3
-; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
-; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
-; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
-; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:           andi    $[[R9:[0-9]+]], $5, 255
-; ALL:           sllv    $[[R10:[0-9]+]], $[[R9]], $[[R5]]
-; ALL:           andi    $[[R11:[0-9]+]], $6, 255
-; ALL:           sllv    $[[R12:[0-9]+]], $[[R11]], $[[R5]]
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R13:[0-9]+]], 0($[[R2]])
-; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
-; NOT-MICROMIPS: bne     $[[R14]], $[[R10]], [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; MICROMIPS:     bne     $[[R14]], $[[R10]], [[BB1:(\$|\.L)[A-Z_0-9]+]]
-; MIPSR6:        bnec    $[[R14]], $[[R10]], [[BB1:(\$|\.L)[A-Z_0-9]+]]
-
-; ALL:           and     $[[R15:[0-9]+]], $[[R13]], $[[R8]]
-; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R12]]
-; ALL:           sc      $[[R16]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R16]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R16]], [[BB0]]
-; MIPSR6:        beqzc   $[[R16]], [[BB0]]
-
-; ALL:       [[BB1]]:
-; ALL:           srlv    $[[R17:[0-9]+]], $[[R14]], $[[R5]]
-
-; NO-SEB-SEH:    sll     $[[R18:[0-9]+]], $[[R17]], 24
-; NO-SEB-SEH:    sra     $[[R19:[0-9]+]], $[[R18]], 24
-
 ; FIXME: -march=mips produces a redundant sign extension here...
-; NO-SEB-SEH:    sll     $[[R20:[0-9]+]], $5, 24
-; NO-SEB-SEH:    sra     $[[R20]], $[[R20]], 24
-
-; HAS-SEB-SEH:   seb     $[[R19:[0-9]+]], $[[R17]]
-
 ; FIXME: ...Leading to this split check.
-; NO-SEB-SEH:    xor     $[[R21:[0-9]+]], $[[R19]], $[[R20]]
-; HAS-SEB-SEH:   xor     $[[R21:[0-9]+]], $[[R19]], $5
 
-; ALL: sltiu   $2, $[[R21]], 1
 }
 
 ; Check one i16 so that we cover the seh sign extend
 @z = common global i16 0, align 1
 
 define signext i16 @AtomicLoadAdd16(i16 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadAdd16:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(z)($1)
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $2, $1, $2
+; MIPS32-NEXT:    andi $1, $1, 3
+; MIPS32-NEXT:    sll $3, $1, 3
+; MIPS32-NEXT:    ori $1, $zero, 65535
+; MIPS32-NEXT:    sllv $5, $1, $3
+; MIPS32-NEXT:    nor $6, $zero, $5
+; MIPS32-NEXT:    sllv $4, $4, $3
+; MIPS32-NEXT:  $BB14_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $7, 0($2)
+; MIPS32-NEXT:    addu $8, $7, $4
+; MIPS32-NEXT:    and $8, $8, $5
+; MIPS32-NEXT:    and $9, $7, $6
+; MIPS32-NEXT:    or $9, $9, $8
+; MIPS32-NEXT:    sc $9, 0($2)
+; MIPS32-NEXT:    beqz $9, $BB14_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    and $1, $7, $5
+; MIPS32-NEXT:    srlv $1, $1, $3
+; MIPS32-NEXT:    sll $1, $1, 16
+; MIPS32-NEXT:    sra $1, $1, 16
+; MIPS32-NEXT:  # %bb.3: # %entry
+; MIPS32-NEXT:    sll $1, $1, 16
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    sra $2, $1, 16
+;
+; MIPS32O0-LABEL: AtomicLoadAdd16:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(z)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, -4
+; MIPS32O0-NEXT:    and $25, $2, $25
+; MIPS32O0-NEXT:    andi $2, $2, 3
+; MIPS32O0-NEXT:    sll $2, $2, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 65535
+; MIPS32O0-NEXT:    sllv $1, $1, $2
+; MIPS32O0-NEXT:    nor $3, $zero, $1
+; MIPS32O0-NEXT:    sllv $4, $4, $2
+; MIPS32O0-NEXT:  $BB14_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $6, 0($25)
+; MIPS32O0-NEXT:    addu $7, $6, $4
+; MIPS32O0-NEXT:    and $7, $7, $1
+; MIPS32O0-NEXT:    and $8, $6, $3
+; MIPS32O0-NEXT:    or $8, $8, $7
+; MIPS32O0-NEXT:    sc $8, 0($25)
+; MIPS32O0-NEXT:    beqz $8, $BB14_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    and $5, $6, $1
+; MIPS32O0-NEXT:    srlv $5, $5, $2
+; MIPS32O0-NEXT:    sll $5, $5, 16
+; MIPS32O0-NEXT:    sra $5, $5, 16
+; MIPS32O0-NEXT:  # %bb.3: # %entry
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.4: # %entry
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 16
+; MIPS32O0-NEXT:    sra $2, $2, 16
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadAdd16:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(z)($1)
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $2, $1, $2
+; MIPS32R2-NEXT:    andi $1, $1, 3
+; MIPS32R2-NEXT:    sll $3, $1, 3
+; MIPS32R2-NEXT:    ori $1, $zero, 65535
+; MIPS32R2-NEXT:    sllv $5, $1, $3
+; MIPS32R2-NEXT:    nor $6, $zero, $5
+; MIPS32R2-NEXT:    sllv $4, $4, $3
+; MIPS32R2-NEXT:  $BB14_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $7, 0($2)
+; MIPS32R2-NEXT:    addu $8, $7, $4
+; MIPS32R2-NEXT:    and $8, $8, $5
+; MIPS32R2-NEXT:    and $9, $7, $6
+; MIPS32R2-NEXT:    or $9, $9, $8
+; MIPS32R2-NEXT:    sc $9, 0($2)
+; MIPS32R2-NEXT:    beqz $9, $BB14_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    and $1, $7, $5
+; MIPS32R2-NEXT:    srlv $1, $1, $3
+; MIPS32R2-NEXT:    seh $1, $1
+; MIPS32R2-NEXT:  # %bb.3: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    seh $2, $1
+;
+; MIPS32R6-LABEL: AtomicLoadAdd16:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(z)($1)
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $2, $1, $2
+; MIPS32R6-NEXT:    andi $1, $1, 3
+; MIPS32R6-NEXT:    sll $3, $1, 3
+; MIPS32R6-NEXT:    ori $1, $zero, 65535
+; MIPS32R6-NEXT:    sllv $5, $1, $3
+; MIPS32R6-NEXT:    nor $6, $zero, $5
+; MIPS32R6-NEXT:    sllv $4, $4, $3
+; MIPS32R6-NEXT:  $BB14_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $7, 0($2)
+; MIPS32R6-NEXT:    addu $8, $7, $4
+; MIPS32R6-NEXT:    and $8, $8, $5
+; MIPS32R6-NEXT:    and $9, $7, $6
+; MIPS32R6-NEXT:    or $9, $9, $8
+; MIPS32R6-NEXT:    sc $9, 0($2)
+; MIPS32R6-NEXT:    beqzc $9, $BB14_1
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    and $1, $7, $5
+; MIPS32R6-NEXT:    srlv $1, $1, $3
+; MIPS32R6-NEXT:    seh $1, $1
+; MIPS32R6-NEXT:  # %bb.3: # %entry
+; MIPS32R6-NEXT:    jr $ra
+; MIPS32R6-NEXT:    seh $2, $1
+;
+; MIPS32R6O0-LABEL: AtomicLoadAdd16:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(z)($2)
+; MIPS32R6O0-NEXT:    addiu $1, $zero, -4
+; MIPS32R6O0-NEXT:    and $1, $2, $1
+; MIPS32R6O0-NEXT:    andi $2, $2, 3
+; MIPS32R6O0-NEXT:    sll $2, $2, 3
+; MIPS32R6O0-NEXT:    ori $3, $zero, 65535
+; MIPS32R6O0-NEXT:    sllv $3, $3, $2
+; MIPS32R6O0-NEXT:    nor $5, $zero, $3
+; MIPS32R6O0-NEXT:    sllv $4, $4, $2
+; MIPS32R6O0-NEXT:  $BB14_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $7, 0($1)
+; MIPS32R6O0-NEXT:    addu $8, $7, $4
+; MIPS32R6O0-NEXT:    and $8, $8, $3
+; MIPS32R6O0-NEXT:    and $9, $7, $5
+; MIPS32R6O0-NEXT:    or $9, $9, $8
+; MIPS32R6O0-NEXT:    sc $9, 0($1)
+; MIPS32R6O0-NEXT:    beqzc $9, $BB14_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    and $6, $7, $3
+; MIPS32R6O0-NEXT:    srlv $6, $6, $2
+; MIPS32R6O0-NEXT:    seh $6, $6
+; MIPS32R6O0-NEXT:  # %bb.3: # %entry
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $6, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.4: # %entry
+; MIPS32R6O0-NEXT:    lw $1, 0($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    seh $2, $1
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadAdd16:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS4-NEXT:    ld $1, %got_disp(z)($1)
+; MIPS4-NEXT:    daddiu $2, $zero, -4
+; MIPS4-NEXT:    and $2, $1, $2
+; MIPS4-NEXT:    andi $1, $1, 3
+; MIPS4-NEXT:    sll $3, $1, 3
+; MIPS4-NEXT:    ori $1, $zero, 65535
+; MIPS4-NEXT:    sllv $5, $1, $3
+; MIPS4-NEXT:    nor $6, $zero, $5
+; MIPS4-NEXT:    sllv $4, $4, $3
+; MIPS4-NEXT:  .LBB14_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $7, 0($2)
+; MIPS4-NEXT:    addu $8, $7, $4
+; MIPS4-NEXT:    and $8, $8, $5
+; MIPS4-NEXT:    and $9, $7, $6
+; MIPS4-NEXT:    or $9, $9, $8
+; MIPS4-NEXT:    sc $9, 0($2)
+; MIPS4-NEXT:    beqz $9, .LBB14_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    and $1, $7, $5
+; MIPS4-NEXT:    srlv $1, $1, $3
+; MIPS4-NEXT:    sll $1, $1, 16
+; MIPS4-NEXT:    sra $1, $1, 16
+; MIPS4-NEXT:  # %bb.3: # %entry
+; MIPS4-NEXT:    sll $1, $1, 16
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    sra $2, $1, 16
+;
+; MIPS64-LABEL: AtomicLoadAdd16:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64-NEXT:    ld $1, %got_disp(z)($1)
+; MIPS64-NEXT:    daddiu $2, $zero, -4
+; MIPS64-NEXT:    and $2, $1, $2
+; MIPS64-NEXT:    andi $1, $1, 3
+; MIPS64-NEXT:    sll $3, $1, 3
+; MIPS64-NEXT:    ori $1, $zero, 65535
+; MIPS64-NEXT:    sllv $5, $1, $3
+; MIPS64-NEXT:    nor $6, $zero, $5
+; MIPS64-NEXT:    sllv $4, $4, $3
+; MIPS64-NEXT:  .LBB14_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $7, 0($2)
+; MIPS64-NEXT:    addu $8, $7, $4
+; MIPS64-NEXT:    and $8, $8, $5
+; MIPS64-NEXT:    and $9, $7, $6
+; MIPS64-NEXT:    or $9, $9, $8
+; MIPS64-NEXT:    sc $9, 0($2)
+; MIPS64-NEXT:    beqz $9, .LBB14_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    and $1, $7, $5
+; MIPS64-NEXT:    srlv $1, $1, $3
+; MIPS64-NEXT:    sll $1, $1, 16
+; MIPS64-NEXT:    sra $1, $1, 16
+; MIPS64-NEXT:  # %bb.3: # %entry
+; MIPS64-NEXT:    sll $1, $1, 16
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    sra $2, $1, 16
+;
+; MIPS64R2-LABEL: AtomicLoadAdd16:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(z)($1)
+; MIPS64R2-NEXT:    daddiu $2, $zero, -4
+; MIPS64R2-NEXT:    and $2, $1, $2
+; MIPS64R2-NEXT:    andi $1, $1, 3
+; MIPS64R2-NEXT:    sll $3, $1, 3
+; MIPS64R2-NEXT:    ori $1, $zero, 65535
+; MIPS64R2-NEXT:    sllv $5, $1, $3
+; MIPS64R2-NEXT:    nor $6, $zero, $5
+; MIPS64R2-NEXT:    sllv $4, $4, $3
+; MIPS64R2-NEXT:  .LBB14_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $7, 0($2)
+; MIPS64R2-NEXT:    addu $8, $7, $4
+; MIPS64R2-NEXT:    and $8, $8, $5
+; MIPS64R2-NEXT:    and $9, $7, $6
+; MIPS64R2-NEXT:    or $9, $9, $8
+; MIPS64R2-NEXT:    sc $9, 0($2)
+; MIPS64R2-NEXT:    beqz $9, .LBB14_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    and $1, $7, $5
+; MIPS64R2-NEXT:    srlv $1, $1, $3
+; MIPS64R2-NEXT:    seh $1, $1
+; MIPS64R2-NEXT:  # %bb.3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    seh $2, $1
+;
+; MIPS64R6-LABEL: AtomicLoadAdd16:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(z)($1)
+; MIPS64R6-NEXT:    daddiu $2, $zero, -4
+; MIPS64R6-NEXT:    and $2, $1, $2
+; MIPS64R6-NEXT:    andi $1, $1, 3
+; MIPS64R6-NEXT:    sll $3, $1, 3
+; MIPS64R6-NEXT:    ori $1, $zero, 65535
+; MIPS64R6-NEXT:    sllv $5, $1, $3
+; MIPS64R6-NEXT:    nor $6, $zero, $5
+; MIPS64R6-NEXT:    sllv $4, $4, $3
+; MIPS64R6-NEXT:  .LBB14_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $7, 0($2)
+; MIPS64R6-NEXT:    addu $8, $7, $4
+; MIPS64R6-NEXT:    and $8, $8, $5
+; MIPS64R6-NEXT:    and $9, $7, $6
+; MIPS64R6-NEXT:    or $9, $9, $8
+; MIPS64R6-NEXT:    sc $9, 0($2)
+; MIPS64R6-NEXT:    beqzc $9, .LBB14_1
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    and $1, $7, $5
+; MIPS64R6-NEXT:    srlv $1, $1, $3
+; MIPS64R6-NEXT:    seh $1, $1
+; MIPS64R6-NEXT:  # %bb.3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    seh $2, $1
+;
+; MIPS64R6O0-LABEL: AtomicLoadAdd16:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd16)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(z)($1)
+; MIPS64R6O0-NEXT:    daddiu $4, $zero, -4
+; MIPS64R6O0-NEXT:    and $4, $1, $4
+; MIPS64R6O0-NEXT:    andi $3, $1, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 2
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $5, $zero, 65535
+; MIPS64R6O0-NEXT:    sllv $5, $5, $3
+; MIPS64R6O0-NEXT:    nor $6, $zero, $5
+; MIPS64R6O0-NEXT:    sllv $2, $2, $3
+; MIPS64R6O0-NEXT:  .LBB14_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $8, 0($4)
+; MIPS64R6O0-NEXT:    addu $9, $8, $2
+; MIPS64R6O0-NEXT:    and $9, $9, $5
+; MIPS64R6O0-NEXT:    and $10, $8, $6
+; MIPS64R6O0-NEXT:    or $10, $10, $9
+; MIPS64R6O0-NEXT:    sc $10, 0($4)
+; MIPS64R6O0-NEXT:    beqzc $10, .LBB14_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    and $7, $8, $5
+; MIPS64R6O0-NEXT:    srlv $7, $7, $3
+; MIPS64R6O0-NEXT:    seh $7, $7
+; MIPS64R6O0-NEXT:  # %bb.3: # %entry
+; MIPS64R6O0-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.4: # %entry
+; MIPS64R6O0-NEXT:    lw $1, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    seh $2, $1
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadAdd16:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(z)($2)
+; MM32-NEXT:    addiu $2, $zero, -4
+; MM32-NEXT:    and $2, $1, $2
+; MM32-NEXT:    andi $1, $1, 3
+; MM32-NEXT:    sll $3, $1, 3
+; MM32-NEXT:    ori $1, $zero, 65535
+; MM32-NEXT:    sllv $5, $1, $3
+; MM32-NEXT:    nor $6, $zero, $5
+; MM32-NEXT:    sllv $4, $4, $3
+; MM32-NEXT:  $BB14_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $7, 0($2)
+; MM32-NEXT:    addu $8, $7, $4
+; MM32-NEXT:    and $8, $8, $5
+; MM32-NEXT:    and $9, $7, $6
+; MM32-NEXT:    or $9, $9, $8
+; MM32-NEXT:    sc $9, 0($2)
+; MM32-NEXT:    beqzc $9, $BB14_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    and $1, $7, $5
+; MM32-NEXT:    srlv $1, $1, $3
+; MM32-NEXT:    seh $1, $1
+; MM32-NEXT:  # %bb.3: # %entry
+; MM32-NEXT:    jr $ra
+; MM32-NEXT:    seh $2, $1
+;
+; O1-LABEL: AtomicLoadAdd16:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(z)($1)
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $2, $1, $2
+; O1-NEXT:    andi $1, $1, 3
+; O1-NEXT:    sll $3, $1, 3
+; O1-NEXT:    ori $1, $zero, 65535
+; O1-NEXT:    sllv $5, $1, $3
+; O1-NEXT:    nor $6, $zero, $5
+; O1-NEXT:    sllv $4, $4, $3
+; O1-NEXT:  $BB14_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $7, 0($2)
+; O1-NEXT:    addu $8, $7, $4
+; O1-NEXT:    and $8, $8, $5
+; O1-NEXT:    and $9, $7, $6
+; O1-NEXT:    or $9, $9, $8
+; O1-NEXT:    sc $9, 0($2)
+; O1-NEXT:    beqz $9, $BB14_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    and $1, $7, $5
+; O1-NEXT:    srlv $1, $1, $3
+; O1-NEXT:    sll $1, $1, 16
+; O1-NEXT:    sra $1, $1, 16
+; O1-NEXT:  # %bb.3: # %entry
+; O1-NEXT:    sll $1, $1, 16
+; O1-NEXT:    jr $ra
+; O1-NEXT:    sra $2, $1, 16
+;
+; O2-LABEL: AtomicLoadAdd16:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(z)($1)
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $2, $1, $2
+; O2-NEXT:    andi $1, $1, 3
+; O2-NEXT:    sll $3, $1, 3
+; O2-NEXT:    ori $1, $zero, 65535
+; O2-NEXT:    sllv $5, $1, $3
+; O2-NEXT:    nor $6, $zero, $5
+; O2-NEXT:    sllv $4, $4, $3
+; O2-NEXT:  $BB14_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $7, 0($2)
+; O2-NEXT:    addu $8, $7, $4
+; O2-NEXT:    and $8, $8, $5
+; O2-NEXT:    and $9, $7, $6
+; O2-NEXT:    or $9, $9, $8
+; O2-NEXT:    sc $9, 0($2)
+; O2-NEXT:    beqz $9, $BB14_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    and $1, $7, $5
+; O2-NEXT:    srlv $1, $1, $3
+; O2-NEXT:    sll $1, $1, 16
+; O2-NEXT:    sra $1, $1, 16
+; O2-NEXT:  # %bb.3: # %entry
+; O2-NEXT:    sll $1, $1, 16
+; O2-NEXT:    jr $ra
+; O2-NEXT:    sra $2, $1, 16
+;
+; O3-LABEL: AtomicLoadAdd16:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    lw $1, %got(z)($1)
+; O3-NEXT:    and $2, $1, $2
+; O3-NEXT:    andi $1, $1, 3
+; O3-NEXT:    sll $3, $1, 3
+; O3-NEXT:    ori $1, $zero, 65535
+; O3-NEXT:    sllv $5, $1, $3
+; O3-NEXT:    sllv $4, $4, $3
+; O3-NEXT:    nor $6, $zero, $5
+; O3-NEXT:  $BB14_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $7, 0($2)
+; O3-NEXT:    addu $8, $7, $4
+; O3-NEXT:    and $8, $8, $5
+; O3-NEXT:    and $9, $7, $6
+; O3-NEXT:    or $9, $9, $8
+; O3-NEXT:    sc $9, 0($2)
+; O3-NEXT:    beqz $9, $BB14_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    and $1, $7, $5
+; O3-NEXT:    srlv $1, $1, $3
+; O3-NEXT:    sll $1, $1, 16
+; O3-NEXT:    sra $1, $1, 16
+; O3-NEXT:  # %bb.3: # %entry
+; O3-NEXT:    sll $1, $1, 16
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sra $2, $1, 16
+;
+; MIPS32EB-LABEL: AtomicLoadAdd16:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(z)($1)
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $2, $1, $2
+; MIPS32EB-NEXT:    andi $1, $1, 3
+; MIPS32EB-NEXT:    xori $1, $1, 2
+; MIPS32EB-NEXT:    sll $3, $1, 3
+; MIPS32EB-NEXT:    ori $1, $zero, 65535
+; MIPS32EB-NEXT:    sllv $5, $1, $3
+; MIPS32EB-NEXT:    nor $6, $zero, $5
+; MIPS32EB-NEXT:    sllv $4, $4, $3
+; MIPS32EB-NEXT:  $BB14_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $7, 0($2)
+; MIPS32EB-NEXT:    addu $8, $7, $4
+; MIPS32EB-NEXT:    and $8, $8, $5
+; MIPS32EB-NEXT:    and $9, $7, $6
+; MIPS32EB-NEXT:    or $9, $9, $8
+; MIPS32EB-NEXT:    sc $9, 0($2)
+; MIPS32EB-NEXT:    beqz $9, $BB14_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    and $1, $7, $5
+; MIPS32EB-NEXT:    srlv $1, $1, $3
+; MIPS32EB-NEXT:    sll $1, $1, 16
+; MIPS32EB-NEXT:    sra $1, $1, 16
+; MIPS32EB-NEXT:  # %bb.3: # %entry
+; MIPS32EB-NEXT:    sll $1, $1, 16
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    sra $2, $1, 16
 entry:
   %0 = atomicrmw add i16* @z, i16 %incr monotonic
   ret i16 %0
 
-; ALL-LABEL: AtomicLoadAdd16:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(z)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(z)(
-
-; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
-; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
-; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
-; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 2
-; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
-; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
-; ALL:           ori     $[[R6:[0-9]+]], $zero, 65535
-; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
-; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
-; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
-
-; O0:        [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; O0:            ld      $[[R10:[0-9]+]]
-; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
-
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R12:[0-9]+]], 0($[[R2]])
-; ALL:           addu    $[[R13:[0-9]+]], $[[R12]], $[[R9]]
-; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
-; ALL:           and     $[[R15:[0-9]+]], $[[R12]], $[[R8]]
-; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R14]]
-; ALL:           sc      $[[R16]], 0($[[R2]])
-; NOT-MICROMIPS: beqz    $[[R16]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R16]], [[BB0]]
-; MIPSR6:        beqzc   $[[R16]], [[BB0]]
-
-; ALL:           and     $[[R17:[0-9]+]], $[[R12]], $[[R7]]
-; ALL:           srlv    $[[R18:[0-9]+]], $[[R17]], $[[R5]]
-
-; NO-SEB-SEH:    sll     $[[R19:[0-9]+]], $[[R18]], 16
-; NO-SEB-SEH:    sra     $2, $[[R19]], 16
-
-; MIPS32R2:      seh     $2, $[[R18]]
 }
 
 ; Test that the i16 return value from cmpxchg is recognised as signed,
@@ -453,58 +6041,911 @@ entry:
 ; The rest of the functions here are testing the atomic expansion, so
 ; we just match the end of the function.
 define {i16, i1} @foo(i16* %addr, i16 %l, i16 %r, i16 %new) {
+; MIPS32-LABEL: foo:
+; MIPS32:       # %bb.0:
+; MIPS32-NEXT:    addu $1, $5, $6
+; MIPS32-NEXT:    sync
+; MIPS32-NEXT:    addiu $2, $zero, -4
+; MIPS32-NEXT:    and $3, $4, $2
+; MIPS32-NEXT:    andi $2, $4, 3
+; MIPS32-NEXT:    sll $4, $2, 3
+; MIPS32-NEXT:    ori $2, $zero, 65535
+; MIPS32-NEXT:    sllv $5, $2, $4
+; MIPS32-NEXT:    nor $6, $zero, $5
+; MIPS32-NEXT:    andi $2, $1, 65535
+; MIPS32-NEXT:    sllv $8, $2, $4
+; MIPS32-NEXT:    andi $2, $7, 65535
+; MIPS32-NEXT:    sllv $7, $2, $4
+; MIPS32-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $9, 0($3)
+; MIPS32-NEXT:    and $10, $9, $5
+; MIPS32-NEXT:    bne $10, $8, $BB15_3
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS32-NEXT:    and $9, $9, $6
+; MIPS32-NEXT:    or $9, $9, $7
+; MIPS32-NEXT:    sc $9, 0($3)
+; MIPS32-NEXT:    beqz $9, $BB15_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  $BB15_3:
+; MIPS32-NEXT:    srlv $2, $10, $4
+; MIPS32-NEXT:    sll $2, $2, 16
+; MIPS32-NEXT:    sra $2, $2, 16
+; MIPS32-NEXT:  # %bb.4:
+; MIPS32-NEXT:    sll $1, $1, 16
+; MIPS32-NEXT:    sra $1, $1, 16
+; MIPS32-NEXT:    xor $1, $2, $1
+; MIPS32-NEXT:    sltiu $3, $1, 1
+; MIPS32-NEXT:    sync
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: foo:
+; MIPS32O0:       # %bb.0:
+; MIPS32O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32O0-NEXT:    .cfi_def_cfa_offset 8
+; MIPS32O0-NEXT:    addu $5, $5, $6
+; MIPS32O0-NEXT:    sync
+; MIPS32O0-NEXT:    addiu $6, $zero, -4
+; MIPS32O0-NEXT:    and $6, $4, $6
+; MIPS32O0-NEXT:    andi $4, $4, 3
+; MIPS32O0-NEXT:    sll $4, $4, 3
+; MIPS32O0-NEXT:    ori $1, $zero, 65535
+; MIPS32O0-NEXT:    sllv $1, $1, $4
+; MIPS32O0-NEXT:    nor $2, $zero, $1
+; MIPS32O0-NEXT:    andi $3, $5, 65535
+; MIPS32O0-NEXT:    sllv $3, $3, $4
+; MIPS32O0-NEXT:    andi $7, $7, 65535
+; MIPS32O0-NEXT:    sllv $7, $7, $4
+; MIPS32O0-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $9, 0($6)
+; MIPS32O0-NEXT:    and $10, $9, $1
+; MIPS32O0-NEXT:    bne $10, $3, $BB15_3
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS32O0-NEXT:    and $9, $9, $2
+; MIPS32O0-NEXT:    or $9, $9, $7
+; MIPS32O0-NEXT:    sc $9, 0($6)
+; MIPS32O0-NEXT:    beqz $9, $BB15_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  $BB15_3:
+; MIPS32O0-NEXT:    srlv $8, $10, $4
+; MIPS32O0-NEXT:    sll $8, $8, 16
+; MIPS32O0-NEXT:    sra $8, $8, 16
+; MIPS32O0-NEXT:  # %bb.4:
+; MIPS32O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    sw $8, 0($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:  # %bb.5:
+; MIPS32O0-NEXT:    lw $1, 4($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    sll $2, $1, 16
+; MIPS32O0-NEXT:    sra $2, $2, 16
+; MIPS32O0-NEXT:    lw $3, 0($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    xor $2, $3, $2
+; MIPS32O0-NEXT:    sltiu $3, $2, 1
+; MIPS32O0-NEXT:    sync
+; MIPS32O0-NEXT:    lw $2, 0($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: foo:
+; MIPS32R2:       # %bb.0:
+; MIPS32R2-NEXT:    addu $1, $5, $6
+; MIPS32R2-NEXT:    sync
+; MIPS32R2-NEXT:    addiu $2, $zero, -4
+; MIPS32R2-NEXT:    and $3, $4, $2
+; MIPS32R2-NEXT:    andi $2, $4, 3
+; MIPS32R2-NEXT:    sll $4, $2, 3
+; MIPS32R2-NEXT:    ori $2, $zero, 65535
+; MIPS32R2-NEXT:    sllv $5, $2, $4
+; MIPS32R2-NEXT:    nor $6, $zero, $5
+; MIPS32R2-NEXT:    andi $2, $1, 65535
+; MIPS32R2-NEXT:    sllv $8, $2, $4
+; MIPS32R2-NEXT:    andi $2, $7, 65535
+; MIPS32R2-NEXT:    sllv $7, $2, $4
+; MIPS32R2-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $9, 0($3)
+; MIPS32R2-NEXT:    and $10, $9, $5
+; MIPS32R2-NEXT:    bne $10, $8, $BB15_3
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS32R2-NEXT:    and $9, $9, $6
+; MIPS32R2-NEXT:    or $9, $9, $7
+; MIPS32R2-NEXT:    sc $9, 0($3)
+; MIPS32R2-NEXT:    beqz $9, $BB15_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  $BB15_3:
+; MIPS32R2-NEXT:    srlv $2, $10, $4
+; MIPS32R2-NEXT:    seh $2, $2
+; MIPS32R2-NEXT:  # %bb.4:
+; MIPS32R2-NEXT:    seh $1, $1
+; MIPS32R2-NEXT:    xor $1, $2, $1
+; MIPS32R2-NEXT:    sltiu $3, $1, 1
+; MIPS32R2-NEXT:    sync
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: foo:
+; MIPS32R6:       # %bb.0:
+; MIPS32R6-NEXT:    addu $1, $5, $6
+; MIPS32R6-NEXT:    sync
+; MIPS32R6-NEXT:    addiu $2, $zero, -4
+; MIPS32R6-NEXT:    and $3, $4, $2
+; MIPS32R6-NEXT:    andi $2, $4, 3
+; MIPS32R6-NEXT:    sll $4, $2, 3
+; MIPS32R6-NEXT:    ori $2, $zero, 65535
+; MIPS32R6-NEXT:    sllv $5, $2, $4
+; MIPS32R6-NEXT:    nor $6, $zero, $5
+; MIPS32R6-NEXT:    andi $2, $1, 65535
+; MIPS32R6-NEXT:    sllv $8, $2, $4
+; MIPS32R6-NEXT:    andi $2, $7, 65535
+; MIPS32R6-NEXT:    sllv $7, $2, $4
+; MIPS32R6-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $9, 0($3)
+; MIPS32R6-NEXT:    and $10, $9, $5
+; MIPS32R6-NEXT:    bnec $10, $8, $BB15_3
+; MIPS32R6-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS32R6-NEXT:    and $9, $9, $6
+; MIPS32R6-NEXT:    or $9, $9, $7
+; MIPS32R6-NEXT:    sc $9, 0($3)
+; MIPS32R6-NEXT:    beqzc $9, $BB15_1
+; MIPS32R6-NEXT:  $BB15_3:
+; MIPS32R6-NEXT:    srlv $2, $10, $4
+; MIPS32R6-NEXT:    seh $2, $2
+; MIPS32R6-NEXT:  # %bb.4:
+; MIPS32R6-NEXT:    seh $1, $1
+; MIPS32R6-NEXT:    xor $1, $2, $1
+; MIPS32R6-NEXT:    sltiu $3, $1, 1
+; MIPS32R6-NEXT:    sync
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: foo:
+; MIPS32R6O0:       # %bb.0:
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -24
+; MIPS32R6O0-NEXT:    .cfi_def_cfa_offset 24
+; MIPS32R6O0-NEXT:    move $1, $7
+; MIPS32R6O0-NEXT:    move $2, $6
+; MIPS32R6O0-NEXT:    move $3, $5
+; MIPS32R6O0-NEXT:    move $8, $4
+; MIPS32R6O0-NEXT:    addu $5, $5, $6
+; MIPS32R6O0-NEXT:    sync
+; MIPS32R6O0-NEXT:    addiu $6, $zero, -4
+; MIPS32R6O0-NEXT:    and $6, $4, $6
+; MIPS32R6O0-NEXT:    andi $4, $4, 3
+; MIPS32R6O0-NEXT:    sll $4, $4, 3
+; MIPS32R6O0-NEXT:    ori $9, $zero, 65535
+; MIPS32R6O0-NEXT:    sllv $9, $9, $4
+; MIPS32R6O0-NEXT:    nor $10, $zero, $9
+; MIPS32R6O0-NEXT:    andi $11, $5, 65535
+; MIPS32R6O0-NEXT:    sllv $11, $11, $4
+; MIPS32R6O0-NEXT:    andi $7, $7, 65535
+; MIPS32R6O0-NEXT:    sllv $7, $7, $4
+; MIPS32R6O0-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $13, 0($6)
+; MIPS32R6O0-NEXT:    and $14, $13, $9
+; MIPS32R6O0-NEXT:    bnec $14, $11, $BB15_3
+; MIPS32R6O0-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS32R6O0-NEXT:    and $13, $13, $10
+; MIPS32R6O0-NEXT:    or $13, $13, $7
+; MIPS32R6O0-NEXT:    sc $13, 0($6)
+; MIPS32R6O0-NEXT:    beqzc $13, $BB15_1
+; MIPS32R6O0-NEXT:  $BB15_3:
+; MIPS32R6O0-NEXT:    srlv $12, $14, $4
+; MIPS32R6O0-NEXT:    seh $12, $12
+; MIPS32R6O0-NEXT:  # %bb.4:
+; MIPS32R6O0-NEXT:    sw $12, 20($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $3, 16($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $8, 12($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $5, 8($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $1, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $2, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:  # %bb.5:
+; MIPS32R6O0-NEXT:    lw $1, 8($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    seh $2, $1
+; MIPS32R6O0-NEXT:    lw $3, 20($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    xor $2, $3, $2
+; MIPS32R6O0-NEXT:    sltiu $3, $2, 1
+; MIPS32R6O0-NEXT:    sync
+; MIPS32R6O0-NEXT:    lw $2, 20($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 24
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: foo:
+; MIPS4:       # %bb.0:
+; MIPS4-NEXT:    sll $1, $6, 0
+; MIPS4-NEXT:    sll $2, $5, 0
+; MIPS4-NEXT:    addu $1, $2, $1
+; MIPS4-NEXT:    sync
+; MIPS4-NEXT:    sll $2, $7, 0
+; MIPS4-NEXT:    daddiu $3, $zero, -4
+; MIPS4-NEXT:    and $3, $4, $3
+; MIPS4-NEXT:    andi $4, $4, 3
+; MIPS4-NEXT:    sll $4, $4, 3
+; MIPS4-NEXT:    ori $5, $zero, 65535
+; MIPS4-NEXT:    sllv $5, $5, $4
+; MIPS4-NEXT:    nor $6, $zero, $5
+; MIPS4-NEXT:    andi $7, $1, 65535
+; MIPS4-NEXT:    sllv $7, $7, $4
+; MIPS4-NEXT:    andi $2, $2, 65535
+; MIPS4-NEXT:    sllv $8, $2, $4
+; MIPS4-NEXT:  .LBB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $9, 0($3)
+; MIPS4-NEXT:    and $10, $9, $5
+; MIPS4-NEXT:    bne $10, $7, .LBB15_3
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS4-NEXT:    and $9, $9, $6
+; MIPS4-NEXT:    or $9, $9, $8
+; MIPS4-NEXT:    sc $9, 0($3)
+; MIPS4-NEXT:    beqz $9, .LBB15_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  .LBB15_3:
+; MIPS4-NEXT:    srlv $2, $10, $4
+; MIPS4-NEXT:    sll $2, $2, 16
+; MIPS4-NEXT:    sra $2, $2, 16
+; MIPS4-NEXT:  # %bb.4:
+; MIPS4-NEXT:    sll $1, $1, 16
+; MIPS4-NEXT:    sra $1, $1, 16
+; MIPS4-NEXT:    xor $1, $2, $1
+; MIPS4-NEXT:    sltiu $3, $1, 1
+; MIPS4-NEXT:    sync
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: foo:
+; MIPS64:       # %bb.0:
+; MIPS64-NEXT:    sll $1, $6, 0
+; MIPS64-NEXT:    sll $2, $5, 0
+; MIPS64-NEXT:    addu $1, $2, $1
+; MIPS64-NEXT:    sync
+; MIPS64-NEXT:    sll $2, $7, 0
+; MIPS64-NEXT:    daddiu $3, $zero, -4
+; MIPS64-NEXT:    and $3, $4, $3
+; MIPS64-NEXT:    andi $4, $4, 3
+; MIPS64-NEXT:    sll $4, $4, 3
+; MIPS64-NEXT:    ori $5, $zero, 65535
+; MIPS64-NEXT:    sllv $5, $5, $4
+; MIPS64-NEXT:    nor $6, $zero, $5
+; MIPS64-NEXT:    andi $7, $1, 65535
+; MIPS64-NEXT:    sllv $7, $7, $4
+; MIPS64-NEXT:    andi $2, $2, 65535
+; MIPS64-NEXT:    sllv $8, $2, $4
+; MIPS64-NEXT:  .LBB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $9, 0($3)
+; MIPS64-NEXT:    and $10, $9, $5
+; MIPS64-NEXT:    bne $10, $7, .LBB15_3
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS64-NEXT:    and $9, $9, $6
+; MIPS64-NEXT:    or $9, $9, $8
+; MIPS64-NEXT:    sc $9, 0($3)
+; MIPS64-NEXT:    beqz $9, .LBB15_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  .LBB15_3:
+; MIPS64-NEXT:    srlv $2, $10, $4
+; MIPS64-NEXT:    sll $2, $2, 16
+; MIPS64-NEXT:    sra $2, $2, 16
+; MIPS64-NEXT:  # %bb.4:
+; MIPS64-NEXT:    sll $1, $1, 16
+; MIPS64-NEXT:    sra $1, $1, 16
+; MIPS64-NEXT:    xor $1, $2, $1
+; MIPS64-NEXT:    sltiu $3, $1, 1
+; MIPS64-NEXT:    sync
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: foo:
+; MIPS64R2:       # %bb.0:
+; MIPS64R2-NEXT:    sll $1, $6, 0
+; MIPS64R2-NEXT:    sll $2, $5, 0
+; MIPS64R2-NEXT:    addu $1, $2, $1
+; MIPS64R2-NEXT:    sync
+; MIPS64R2-NEXT:    sll $2, $7, 0
+; MIPS64R2-NEXT:    daddiu $3, $zero, -4
+; MIPS64R2-NEXT:    and $3, $4, $3
+; MIPS64R2-NEXT:    andi $4, $4, 3
+; MIPS64R2-NEXT:    sll $4, $4, 3
+; MIPS64R2-NEXT:    ori $5, $zero, 65535
+; MIPS64R2-NEXT:    sllv $5, $5, $4
+; MIPS64R2-NEXT:    nor $6, $zero, $5
+; MIPS64R2-NEXT:    andi $7, $1, 65535
+; MIPS64R2-NEXT:    sllv $7, $7, $4
+; MIPS64R2-NEXT:    andi $2, $2, 65535
+; MIPS64R2-NEXT:    sllv $8, $2, $4
+; MIPS64R2-NEXT:  .LBB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $9, 0($3)
+; MIPS64R2-NEXT:    and $10, $9, $5
+; MIPS64R2-NEXT:    bne $10, $7, .LBB15_3
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS64R2-NEXT:    and $9, $9, $6
+; MIPS64R2-NEXT:    or $9, $9, $8
+; MIPS64R2-NEXT:    sc $9, 0($3)
+; MIPS64R2-NEXT:    beqz $9, .LBB15_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  .LBB15_3:
+; MIPS64R2-NEXT:    srlv $2, $10, $4
+; MIPS64R2-NEXT:    seh $2, $2
+; MIPS64R2-NEXT:  # %bb.4:
+; MIPS64R2-NEXT:    seh $1, $1
+; MIPS64R2-NEXT:    xor $1, $2, $1
+; MIPS64R2-NEXT:    sltiu $3, $1, 1
+; MIPS64R2-NEXT:    sync
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: foo:
+; MIPS64R6:       # %bb.0:
+; MIPS64R6-NEXT:    sll $1, $6, 0
+; MIPS64R6-NEXT:    sll $2, $5, 0
+; MIPS64R6-NEXT:    addu $1, $2, $1
+; MIPS64R6-NEXT:    sync
+; MIPS64R6-NEXT:    sll $2, $7, 0
+; MIPS64R6-NEXT:    daddiu $3, $zero, -4
+; MIPS64R6-NEXT:    and $3, $4, $3
+; MIPS64R6-NEXT:    andi $4, $4, 3
+; MIPS64R6-NEXT:    sll $4, $4, 3
+; MIPS64R6-NEXT:    ori $5, $zero, 65535
+; MIPS64R6-NEXT:    sllv $5, $5, $4
+; MIPS64R6-NEXT:    nor $6, $zero, $5
+; MIPS64R6-NEXT:    andi $7, $1, 65535
+; MIPS64R6-NEXT:    sllv $7, $7, $4
+; MIPS64R6-NEXT:    andi $2, $2, 65535
+; MIPS64R6-NEXT:    sllv $8, $2, $4
+; MIPS64R6-NEXT:  .LBB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $9, 0($3)
+; MIPS64R6-NEXT:    and $10, $9, $5
+; MIPS64R6-NEXT:    bnec $10, $7, .LBB15_3
+; MIPS64R6-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS64R6-NEXT:    and $9, $9, $6
+; MIPS64R6-NEXT:    or $9, $9, $8
+; MIPS64R6-NEXT:    sc $9, 0($3)
+; MIPS64R6-NEXT:    beqzc $9, .LBB15_1
+; MIPS64R6-NEXT:  .LBB15_3:
+; MIPS64R6-NEXT:    srlv $2, $10, $4
+; MIPS64R6-NEXT:    seh $2, $2
+; MIPS64R6-NEXT:  # %bb.4:
+; MIPS64R6-NEXT:    seh $1, $1
+; MIPS64R6-NEXT:    xor $1, $2, $1
+; MIPS64R6-NEXT:    sltiu $3, $1, 1
+; MIPS64R6-NEXT:    sync
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: foo:
+; MIPS64R6O0:       # %bb.0:
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    .cfi_def_cfa_offset 16
+; MIPS64R6O0-NEXT:    move $1, $7
+; MIPS64R6O0-NEXT:    sll $1, $1, 0
+; MIPS64R6O0-NEXT:    move $2, $6
+; MIPS64R6O0-NEXT:    sll $2, $2, 0
+; MIPS64R6O0-NEXT:    move $3, $5
+; MIPS64R6O0-NEXT:    sll $3, $3, 0
+; MIPS64R6O0-NEXT:    move $5, $4
+; MIPS64R6O0-NEXT:    addu $2, $3, $2
+; MIPS64R6O0-NEXT:    sync
+; MIPS64R6O0-NEXT:    daddiu $6, $zero, -4
+; MIPS64R6O0-NEXT:    and $6, $4, $6
+; MIPS64R6O0-NEXT:    andi $3, $4, 3
+; MIPS64R6O0-NEXT:    xori $3, $3, 2
+; MIPS64R6O0-NEXT:    sll $3, $3, 3
+; MIPS64R6O0-NEXT:    ori $8, $zero, 65535
+; MIPS64R6O0-NEXT:    sllv $8, $8, $3
+; MIPS64R6O0-NEXT:    nor $9, $zero, $8
+; MIPS64R6O0-NEXT:    andi $10, $2, 65535
+; MIPS64R6O0-NEXT:    sllv $10, $10, $3
+; MIPS64R6O0-NEXT:    andi $1, $1, 65535
+; MIPS64R6O0-NEXT:    sllv $1, $1, $3
+; MIPS64R6O0-NEXT:  .LBB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $12, 0($6)
+; MIPS64R6O0-NEXT:    and $13, $12, $8
+; MIPS64R6O0-NEXT:    bnec $13, $10, .LBB15_3
+; MIPS64R6O0-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS64R6O0-NEXT:    and $12, $12, $9
+; MIPS64R6O0-NEXT:    or $12, $12, $1
+; MIPS64R6O0-NEXT:    sc $12, 0($6)
+; MIPS64R6O0-NEXT:    beqzc $12, .LBB15_1
+; MIPS64R6O0-NEXT:  .LBB15_3:
+; MIPS64R6O0-NEXT:    srlv $11, $13, $3
+; MIPS64R6O0-NEXT:    seh $11, $11
+; MIPS64R6O0-NEXT:  # %bb.4:
+; MIPS64R6O0-NEXT:    sw $2, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    sw $11, 8($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    sd $5, 0($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:  # %bb.5:
+; MIPS64R6O0-NEXT:    lw $1, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    seh $2, $1
+; MIPS64R6O0-NEXT:    lw $3, 8($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    xor $2, $3, $2
+; MIPS64R6O0-NEXT:    sltiu $3, $2, 1
+; MIPS64R6O0-NEXT:    sync
+; MIPS64R6O0-NEXT:    lw $2, 8($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: foo:
+; MM32:       # %bb.0:
+; MM32-NEXT:    addu16 $3, $5, $6
+; MM32-NEXT:    sync
+; MM32-NEXT:    addiu $1, $zero, -4
+; MM32-NEXT:    and $1, $4, $1
+; MM32-NEXT:    andi $2, $4, 3
+; MM32-NEXT:    sll $4, $2, 3
+; MM32-NEXT:    ori $2, $zero, 65535
+; MM32-NEXT:    sllv $5, $2, $4
+; MM32-NEXT:    nor $6, $zero, $5
+; MM32-NEXT:    andi $2, $3, 65535
+; MM32-NEXT:    sllv $8, $2, $4
+; MM32-NEXT:    andi $2, $7, 65535
+; MM32-NEXT:    sllv $7, $2, $4
+; MM32-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $9, 0($1)
+; MM32-NEXT:    and $10, $9, $5
+; MM32-NEXT:    bne $10, $8, $BB15_3
+; MM32-NEXT:    nop
+; MM32-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MM32-NEXT:    and $9, $9, $6
+; MM32-NEXT:    or $9, $9, $7
+; MM32-NEXT:    sc $9, 0($1)
+; MM32-NEXT:    beqzc $9, $BB15_1
+; MM32-NEXT:  $BB15_3:
+; MM32-NEXT:    srlv $2, $10, $4
+; MM32-NEXT:    seh $2, $2
+; MM32-NEXT:  # %bb.4:
+; MM32-NEXT:    seh $1, $3
+; MM32-NEXT:    xor $1, $2, $1
+; MM32-NEXT:    sltiu $3, $1, 1
+; MM32-NEXT:    sync
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: foo:
+; O1:       # %bb.0:
+; O1-NEXT:    addu $1, $5, $6
+; O1-NEXT:    sync
+; O1-NEXT:    addiu $2, $zero, -4
+; O1-NEXT:    and $3, $4, $2
+; O1-NEXT:    andi $2, $4, 3
+; O1-NEXT:    sll $4, $2, 3
+; O1-NEXT:    ori $2, $zero, 65535
+; O1-NEXT:    sllv $5, $2, $4
+; O1-NEXT:    nor $6, $zero, $5
+; O1-NEXT:    andi $2, $1, 65535
+; O1-NEXT:    sllv $8, $2, $4
+; O1-NEXT:    andi $2, $7, 65535
+; O1-NEXT:    sllv $7, $2, $4
+; O1-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $9, 0($3)
+; O1-NEXT:    and $10, $9, $5
+; O1-NEXT:    bne $10, $8, $BB15_3
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; O1-NEXT:    and $9, $9, $6
+; O1-NEXT:    or $9, $9, $7
+; O1-NEXT:    sc $9, 0($3)
+; O1-NEXT:    beqz $9, $BB15_1
+; O1-NEXT:    nop
+; O1-NEXT:  $BB15_3:
+; O1-NEXT:    srlv $2, $10, $4
+; O1-NEXT:    sll $2, $2, 16
+; O1-NEXT:    sra $2, $2, 16
+; O1-NEXT:  # %bb.4:
+; O1-NEXT:    sll $1, $1, 16
+; O1-NEXT:    sra $1, $1, 16
+; O1-NEXT:    xor $1, $2, $1
+; O1-NEXT:    sltiu $3, $1, 1
+; O1-NEXT:    sync
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: foo:
+; O2:       # %bb.0:
+; O2-NEXT:    addu $1, $5, $6
+; O2-NEXT:    sync
+; O2-NEXT:    addiu $2, $zero, -4
+; O2-NEXT:    and $3, $4, $2
+; O2-NEXT:    andi $2, $4, 3
+; O2-NEXT:    sll $4, $2, 3
+; O2-NEXT:    ori $2, $zero, 65535
+; O2-NEXT:    sllv $5, $2, $4
+; O2-NEXT:    nor $6, $zero, $5
+; O2-NEXT:    andi $2, $1, 65535
+; O2-NEXT:    sllv $8, $2, $4
+; O2-NEXT:    andi $2, $7, 65535
+; O2-NEXT:    sllv $7, $2, $4
+; O2-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $9, 0($3)
+; O2-NEXT:    and $10, $9, $5
+; O2-NEXT:    bne $10, $8, $BB15_3
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; O2-NEXT:    and $9, $9, $6
+; O2-NEXT:    or $9, $9, $7
+; O2-NEXT:    sc $9, 0($3)
+; O2-NEXT:    beqz $9, $BB15_1
+; O2-NEXT:    nop
+; O2-NEXT:  $BB15_3:
+; O2-NEXT:    srlv $2, $10, $4
+; O2-NEXT:    sll $2, $2, 16
+; O2-NEXT:    sra $2, $2, 16
+; O2-NEXT:  # %bb.4:
+; O2-NEXT:    sll $1, $1, 16
+; O2-NEXT:    sra $1, $1, 16
+; O2-NEXT:    xor $1, $2, $1
+; O2-NEXT:    sltiu $3, $1, 1
+; O2-NEXT:    sync
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: foo:
+; O3:       # %bb.0:
+; O3-NEXT:    addiu $2, $zero, -4
+; O3-NEXT:    addu $1, $5, $6
+; O3-NEXT:    sync
+; O3-NEXT:    and $3, $4, $2
+; O3-NEXT:    andi $2, $4, 3
+; O3-NEXT:    sll $4, $2, 3
+; O3-NEXT:    ori $2, $zero, 65535
+; O3-NEXT:    sllv $5, $2, $4
+; O3-NEXT:    andi $2, $1, 65535
+; O3-NEXT:    sll $1, $1, 16
+; O3-NEXT:    sllv $8, $2, $4
+; O3-NEXT:    andi $2, $7, 65535
+; O3-NEXT:    nor $6, $zero, $5
+; O3-NEXT:    sra $1, $1, 16
+; O3-NEXT:    sllv $7, $2, $4
+; O3-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $9, 0($3)
+; O3-NEXT:    and $10, $9, $5
+; O3-NEXT:    bne $10, $8, $BB15_3
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; O3-NEXT:    and $9, $9, $6
+; O3-NEXT:    or $9, $9, $7
+; O3-NEXT:    sc $9, 0($3)
+; O3-NEXT:    beqz $9, $BB15_1
+; O3-NEXT:    nop
+; O3-NEXT:  $BB15_3:
+; O3-NEXT:    srlv $2, $10, $4
+; O3-NEXT:    sll $2, $2, 16
+; O3-NEXT:    sra $2, $2, 16
+; O3-NEXT:  # %bb.4:
+; O3-NEXT:    sync
+; O3-NEXT:    xor $1, $2, $1
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sltiu $3, $1, 1
+;
+; MIPS32EB-LABEL: foo:
+; MIPS32EB:       # %bb.0:
+; MIPS32EB-NEXT:    addu $1, $5, $6
+; MIPS32EB-NEXT:    sync
+; MIPS32EB-NEXT:    addiu $2, $zero, -4
+; MIPS32EB-NEXT:    and $3, $4, $2
+; MIPS32EB-NEXT:    andi $2, $4, 3
+; MIPS32EB-NEXT:    xori $2, $2, 2
+; MIPS32EB-NEXT:    sll $4, $2, 3
+; MIPS32EB-NEXT:    ori $2, $zero, 65535
+; MIPS32EB-NEXT:    sllv $5, $2, $4
+; MIPS32EB-NEXT:    nor $6, $zero, $5
+; MIPS32EB-NEXT:    andi $2, $1, 65535
+; MIPS32EB-NEXT:    sllv $8, $2, $4
+; MIPS32EB-NEXT:    andi $2, $7, 65535
+; MIPS32EB-NEXT:    sllv $7, $2, $4
+; MIPS32EB-NEXT:  $BB15_1: # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $9, 0($3)
+; MIPS32EB-NEXT:    and $10, $9, $5
+; MIPS32EB-NEXT:    bne $10, $8, $BB15_3
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # in Loop: Header=BB15_1 Depth=1
+; MIPS32EB-NEXT:    and $9, $9, $6
+; MIPS32EB-NEXT:    or $9, $9, $7
+; MIPS32EB-NEXT:    sc $9, 0($3)
+; MIPS32EB-NEXT:    beqz $9, $BB15_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  $BB15_3:
+; MIPS32EB-NEXT:    srlv $2, $10, $4
+; MIPS32EB-NEXT:    sll $2, $2, 16
+; MIPS32EB-NEXT:    sra $2, $2, 16
+; MIPS32EB-NEXT:  # %bb.4:
+; MIPS32EB-NEXT:    sll $1, $1, 16
+; MIPS32EB-NEXT:    sra $1, $1, 16
+; MIPS32EB-NEXT:    xor $1, $2, $1
+; MIPS32EB-NEXT:    sltiu $3, $1, 1
+; MIPS32EB-NEXT:    sync
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
   %desired = add i16 %l, %r
   %res = cmpxchg i16* %addr, i16 %desired, i16 %new seq_cst seq_cst
   ret {i16, i1} %res
-
-; ALL-LABEL: foo
-; MIPSR6:        addu    $[[R2:[0-9]+]], $[[R1:[0-9]+]], $[[R0:[0-9]+]]
-; NOT-MICROMIPS: addu    $[[R2:[0-9]+]], $[[R1:[0-9]+]], $[[R0:[0-9]+]]
-; MICROMIPS:     addu16  $[[R2:[0-9]+]], $[[R1:[0-9]+]], $[[R0:[0-9]+]]
-
-; ALL:           sync
-
-; ALL:           andi    $[[R3:[0-9]+]], $[[R2]], 65535
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R4:[0-9]+]], 0($[[R5:[0-9]+]])
-; ALL:           and     $[[R6:[0-9]+]], $[[R4]], $
-; ALL:           and     $[[R7:[0-9]+]], $[[R4]], $
-; ALL:           or      $[[R8:[0-9]+]], $[[R7]], $
-; ALL:           sc      $[[R8]], 0($[[R5]])
-; NOT-MICROMIPS: beqz    $[[R8]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R8]], [[BB0]]
-; MIPSR6:        beqzc   $[[R8]], [[BB0]]
-
-; ALL:           srlv    $[[R9:[0-9]+]], $[[R6]], $
-
-; NO-SEB-SEH:    sll     $[[R10:[0-9]+]], $[[R9]], 16
-; NO-SEB-SEH:    sra     $[[R11:[0-9]+]], $[[R10]], 16
-
-; NO-SEB-SEH:    sll     $[[R12:[0-9]+]], $[[R2]], 16
-; NO-SEB-SEH:    sra     $[[R13:[0-9]+]], $[[R12]], 16
-
-; HAS-SEB-SEH:   seh     $[[R11:[0-9]+]], $[[R9]]
-; HAS-SEB-SEH:   seh     $[[R13:[0-9]+]], $[[R2]]
-
-; ALL:           xor     $[[R12:[0-9]+]], $[[R11]], $[[R13]]
-; ALL:           sltiu   $3, $[[R12]], 1
-; ALL:           sync
 }
 
 @countsint = common global i32 0, align 4
 
 define i32 @CheckSync(i32 signext %v) nounwind noinline {
+; MIPS32-LABEL: CheckSync:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    sync
+; MIPS32-NEXT:    lw $1, %got(countsint)($1)
+; MIPS32-NEXT:  $BB16_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    addu $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB16_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    sync
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: CheckSync:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    sync
+; MIPS32O0-NEXT:    lw $2, %got(countsint)($2)
+; MIPS32O0-NEXT:  $BB16_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    addu $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB16_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    sync
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: CheckSync:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    sync
+; MIPS32R2-NEXT:    lw $1, %got(countsint)($1)
+; MIPS32R2-NEXT:  $BB16_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    addu $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB16_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    sync
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: CheckSync:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    sync
+; MIPS32R6-NEXT:    lw $1, %got(countsint)($1)
+; MIPS32R6-NEXT:  $BB16_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    addu $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB16_1
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    sync
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: CheckSync:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    sync
+; MIPS32R6O0-NEXT:    lw $2, %got(countsint)($2)
+; MIPS32R6O0-NEXT:  $BB16_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    addu $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB16_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    sync
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: CheckSync:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(CheckSync)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(CheckSync)))
+; MIPS4-NEXT:    sync
+; MIPS4-NEXT:    ld $1, %got_disp(countsint)($1)
+; MIPS4-NEXT:  .LBB16_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    addu $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB16_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    sync
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: CheckSync:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(CheckSync)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(CheckSync)))
+; MIPS64-NEXT:    sync
+; MIPS64-NEXT:    ld $1, %got_disp(countsint)($1)
+; MIPS64-NEXT:  .LBB16_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    addu $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB16_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    sync
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: CheckSync:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(CheckSync)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(CheckSync)))
+; MIPS64R2-NEXT:    sync
+; MIPS64R2-NEXT:    ld $1, %got_disp(countsint)($1)
+; MIPS64R2-NEXT:  .LBB16_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    addu $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB16_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    sync
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: CheckSync:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(CheckSync)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(CheckSync)))
+; MIPS64R6-NEXT:    sync
+; MIPS64R6-NEXT:    ld $1, %got_disp(countsint)($1)
+; MIPS64R6-NEXT:  .LBB16_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    addu $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB16_1
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    sync
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: CheckSync:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(CheckSync)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(CheckSync)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    sync
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(countsint)($1)
+; MIPS64R6O0-NEXT:  .LBB16_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    addu $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB16_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sync
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: CheckSync:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    sync
+; MM32-NEXT:    lw $1, %got(countsint)($2)
+; MM32-NEXT:  $BB16_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    addu16 $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB16_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    sync
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: CheckSync:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    sync
+; O1-NEXT:    lw $1, %got(countsint)($1)
+; O1-NEXT:  $BB16_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    addu $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB16_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    sync
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: CheckSync:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    sync
+; O2-NEXT:    lw $1, %got(countsint)($1)
+; O2-NEXT:  $BB16_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    addu $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB16_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    sync
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: CheckSync:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    sync
+; O3-NEXT:    lw $1, %got(countsint)($1)
+; O3-NEXT:  $BB16_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    addu $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB16_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    sync
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: CheckSync:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    sync
+; MIPS32EB-NEXT:    lw $1, %got(countsint)($1)
+; MIPS32EB-NEXT:  $BB16_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    addu $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB16_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    sync
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
 entry:
   %0 = atomicrmw add i32* @countsint, i32 %v seq_cst
-  ret i32 %0 
-
-; ALL-LABEL: CheckSync:
-
-; ALL:           sync
-; ALL:           ll
-; ALL:           sc
-; ALL:           beq
-; ALL:           sync
+  ret i32 %0
 }
 
 ; make sure that this assertion in
@@ -513,10 +6954,422 @@ entry:
 ; line 1203: assert(TargetRegisterInfo::isVirtualRegister(regB) &&
 ;
 ; it failed when MipsDAGToDAGISel::ReplaceUsesWithZeroReg replaced an
-; operand of an atomic instruction with register $zero. 
+; operand of an atomic instruction with register $zero.
 @a = external global i32
 
 define i32 @zeroreg() nounwind {
+; MIPS32-LABEL: zeroreg:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    sync
+; MIPS32-NEXT:    addiu $2, $zero, 0
+; MIPS32-NEXT:    addiu $3, $zero, 1
+; MIPS32-NEXT:    lw $1, %got(a)($1)
+; MIPS32-NEXT:  $BB17_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $4, 0($1)
+; MIPS32-NEXT:    bne $4, $3, $BB17_3
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS32-NEXT:    move $5, $2
+; MIPS32-NEXT:    sc $5, 0($1)
+; MIPS32-NEXT:    beqz $5, $BB17_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  $BB17_3: # %entry
+; MIPS32-NEXT:    xor $1, $4, $3
+; MIPS32-NEXT:    sltiu $2, $1, 1
+; MIPS32-NEXT:    sync
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: zeroreg:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addiu $sp, $sp, -16
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    sync
+; MIPS32O0-NEXT:    lw $2, %got(a)($2)
+; MIPS32O0-NEXT:    addiu $25, $zero, 0
+; MIPS32O0-NEXT:    addiu $1, $zero, 1
+; MIPS32O0-NEXT:    lw $3, 12($sp) # 4-byte Folded Reload
+; MIPS32O0-NEXT:    move $4, $1
+; MIPS32O0-NEXT:  $BB17_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $5, 0($2)
+; MIPS32O0-NEXT:    bne $5, $4, $BB17_3
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS32O0-NEXT:    move $6, $25
+; MIPS32O0-NEXT:    sc $6, 0($2)
+; MIPS32O0-NEXT:    beqz $6, $BB17_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  $BB17_3: # %entry
+; MIPS32O0-NEXT:    xor $1, $5, $1
+; MIPS32O0-NEXT:    sltiu $1, $1, 1
+; MIPS32O0-NEXT:    sync
+; MIPS32O0-NEXT:    addiu $2, $zero, 1
+; MIPS32O0-NEXT:    xor $2, $5, $2
+; MIPS32O0-NEXT:    sltiu $2, $2, 1
+; MIPS32O0-NEXT:    andi $2, $2, 1
+; MIPS32O0-NEXT:    sw $3, 8($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    sw $5, 12($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    sw $1, 4($sp) # 4-byte Folded Spill
+; MIPS32O0-NEXT:    addiu $sp, $sp, 16
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: zeroreg:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    sync
+; MIPS32R2-NEXT:    addiu $2, $zero, 0
+; MIPS32R2-NEXT:    addiu $3, $zero, 1
+; MIPS32R2-NEXT:    lw $1, %got(a)($1)
+; MIPS32R2-NEXT:  $BB17_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $4, 0($1)
+; MIPS32R2-NEXT:    bne $4, $3, $BB17_3
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS32R2-NEXT:    move $5, $2
+; MIPS32R2-NEXT:    sc $5, 0($1)
+; MIPS32R2-NEXT:    beqz $5, $BB17_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  $BB17_3: # %entry
+; MIPS32R2-NEXT:    xor $1, $4, $3
+; MIPS32R2-NEXT:    sltiu $2, $1, 1
+; MIPS32R2-NEXT:    sync
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: zeroreg:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    sync
+; MIPS32R6-NEXT:    addiu $2, $zero, 0
+; MIPS32R6-NEXT:    addiu $3, $zero, 1
+; MIPS32R6-NEXT:    lw $1, %got(a)($1)
+; MIPS32R6-NEXT:  $BB17_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $4, 0($1)
+; MIPS32R6-NEXT:    bnec $4, $3, $BB17_3
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS32R6-NEXT:    move $5, $2
+; MIPS32R6-NEXT:    sc $5, 0($1)
+; MIPS32R6-NEXT:    beqzc $5, $BB17_1
+; MIPS32R6-NEXT:  $BB17_3: # %entry
+; MIPS32R6-NEXT:    xor $1, $4, $3
+; MIPS32R6-NEXT:    sltiu $2, $1, 1
+; MIPS32R6-NEXT:    sync
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: zeroreg:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    sync
+; MIPS32R6O0-NEXT:    lw $2, %got(a)($2)
+; MIPS32R6O0-NEXT:    addiu $25, $zero, 0
+; MIPS32R6O0-NEXT:    addiu $1, $zero, 1
+; MIPS32R6O0-NEXT:    lw $3, 4($sp) # 4-byte Folded Reload
+; MIPS32R6O0-NEXT:    move $4, $1
+; MIPS32R6O0-NEXT:  $BB17_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $5, 0($2)
+; MIPS32R6O0-NEXT:    bnec $5, $4, $BB17_3
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS32R6O0-NEXT:    move $6, $25
+; MIPS32R6O0-NEXT:    sc $6, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $6, $BB17_1
+; MIPS32R6O0-NEXT:  $BB17_3: # %entry
+; MIPS32R6O0-NEXT:    xor $1, $5, $1
+; MIPS32R6O0-NEXT:    sltiu $2, $1, 1
+; MIPS32R6O0-NEXT:    sync
+; MIPS32R6O0-NEXT:    sw $3, 0($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    sw $5, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: zeroreg:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(zeroreg)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(zeroreg)))
+; MIPS4-NEXT:    sync
+; MIPS4-NEXT:    addiu $2, $zero, 0
+; MIPS4-NEXT:    addiu $3, $zero, 1
+; MIPS4-NEXT:    ld $1, %got_disp(a)($1)
+; MIPS4-NEXT:  .LBB17_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $4, 0($1)
+; MIPS4-NEXT:    bne $4, $3, .LBB17_3
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS4-NEXT:    move $5, $2
+; MIPS4-NEXT:    sc $5, 0($1)
+; MIPS4-NEXT:    beqz $5, .LBB17_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  .LBB17_3: # %entry
+; MIPS4-NEXT:    xor $1, $4, $3
+; MIPS4-NEXT:    sltiu $2, $1, 1
+; MIPS4-NEXT:    sync
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: zeroreg:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(zeroreg)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(zeroreg)))
+; MIPS64-NEXT:    sync
+; MIPS64-NEXT:    addiu $2, $zero, 0
+; MIPS64-NEXT:    addiu $3, $zero, 1
+; MIPS64-NEXT:    ld $1, %got_disp(a)($1)
+; MIPS64-NEXT:  .LBB17_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $4, 0($1)
+; MIPS64-NEXT:    bne $4, $3, .LBB17_3
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS64-NEXT:    move $5, $2
+; MIPS64-NEXT:    sc $5, 0($1)
+; MIPS64-NEXT:    beqz $5, .LBB17_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  .LBB17_3: # %entry
+; MIPS64-NEXT:    xor $1, $4, $3
+; MIPS64-NEXT:    sltiu $2, $1, 1
+; MIPS64-NEXT:    sync
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: zeroreg:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(zeroreg)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(zeroreg)))
+; MIPS64R2-NEXT:    sync
+; MIPS64R2-NEXT:    addiu $2, $zero, 0
+; MIPS64R2-NEXT:    addiu $3, $zero, 1
+; MIPS64R2-NEXT:    ld $1, %got_disp(a)($1)
+; MIPS64R2-NEXT:  .LBB17_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $4, 0($1)
+; MIPS64R2-NEXT:    bne $4, $3, .LBB17_3
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS64R2-NEXT:    move $5, $2
+; MIPS64R2-NEXT:    sc $5, 0($1)
+; MIPS64R2-NEXT:    beqz $5, .LBB17_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  .LBB17_3: # %entry
+; MIPS64R2-NEXT:    xor $1, $4, $3
+; MIPS64R2-NEXT:    sltiu $2, $1, 1
+; MIPS64R2-NEXT:    sync
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: zeroreg:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(zeroreg)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(zeroreg)))
+; MIPS64R6-NEXT:    sync
+; MIPS64R6-NEXT:    addiu $2, $zero, 0
+; MIPS64R6-NEXT:    addiu $3, $zero, 1
+; MIPS64R6-NEXT:    ld $1, %got_disp(a)($1)
+; MIPS64R6-NEXT:  .LBB17_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $4, 0($1)
+; MIPS64R6-NEXT:    bnec $4, $3, .LBB17_3
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS64R6-NEXT:    move $5, $2
+; MIPS64R6-NEXT:    sc $5, 0($1)
+; MIPS64R6-NEXT:    beqzc $5, .LBB17_1
+; MIPS64R6-NEXT:  .LBB17_3: # %entry
+; MIPS64R6-NEXT:    xor $1, $4, $3
+; MIPS64R6-NEXT:    sltiu $2, $1, 1
+; MIPS64R6-NEXT:    sync
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: zeroreg:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(zeroreg)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(zeroreg)))
+; MIPS64R6O0-NEXT:    sync
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(a)($1)
+; MIPS64R6O0-NEXT:    addiu $2, $zero, 0
+; MIPS64R6O0-NEXT:    addiu $3, $zero, 1
+; MIPS64R6O0-NEXT:    lw $4, 12($sp) # 4-byte Folded Reload
+; MIPS64R6O0-NEXT:    move $5, $3
+; MIPS64R6O0-NEXT:  .LBB17_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $6, 0($1)
+; MIPS64R6O0-NEXT:    bnec $6, $5, .LBB17_3
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS64R6O0-NEXT:    move $7, $2
+; MIPS64R6O0-NEXT:    sc $7, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $7, .LBB17_1
+; MIPS64R6O0-NEXT:  .LBB17_3: # %entry
+; MIPS64R6O0-NEXT:    xor $2, $6, $3
+; MIPS64R6O0-NEXT:    sltiu $2, $2, 1
+; MIPS64R6O0-NEXT:    sync
+; MIPS64R6O0-NEXT:    sw $4, 8($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    sw $6, 12($sp) # 4-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: zeroreg:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    sync
+; MM32-NEXT:    li16 $3, 0
+; MM32-NEXT:    li16 $4, 1
+; MM32-NEXT:    lw $1, %got(a)($2)
+; MM32-NEXT:  $BB17_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    bne $2, $4, $BB17_3
+; MM32-NEXT:    nop
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MM32-NEXT:    move $5, $3
+; MM32-NEXT:    sc $5, 0($1)
+; MM32-NEXT:    beqzc $5, $BB17_1
+; MM32-NEXT:  $BB17_3: # %entry
+; MM32-NEXT:    xor $1, $2, $4
+; MM32-NEXT:    sltiu $2, $1, 1
+; MM32-NEXT:    sync
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: zeroreg:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    sync
+; O1-NEXT:    addiu $2, $zero, 0
+; O1-NEXT:    addiu $3, $zero, 1
+; O1-NEXT:    lw $1, %got(a)($1)
+; O1-NEXT:  $BB17_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $4, 0($1)
+; O1-NEXT:    bne $4, $3, $BB17_3
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; O1-NEXT:    move $5, $2
+; O1-NEXT:    sc $5, 0($1)
+; O1-NEXT:    beqz $5, $BB17_1
+; O1-NEXT:    nop
+; O1-NEXT:  $BB17_3: # %entry
+; O1-NEXT:    xor $1, $4, $3
+; O1-NEXT:    sltiu $2, $1, 1
+; O1-NEXT:    sync
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: zeroreg:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    sync
+; O2-NEXT:    addiu $2, $zero, 0
+; O2-NEXT:    addiu $3, $zero, 1
+; O2-NEXT:    lw $1, %got(a)($1)
+; O2-NEXT:  $BB17_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $4, 0($1)
+; O2-NEXT:    bne $4, $3, $BB17_3
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; O2-NEXT:    move $5, $2
+; O2-NEXT:    sc $5, 0($1)
+; O2-NEXT:    beqz $5, $BB17_1
+; O2-NEXT:    nop
+; O2-NEXT:  $BB17_3: # %entry
+; O2-NEXT:    xor $1, $4, $3
+; O2-NEXT:    sltiu $2, $1, 1
+; O2-NEXT:    sync
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: zeroreg:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    addiu $2, $zero, 0
+; O3-NEXT:    addiu $3, $zero, 1
+; O3-NEXT:    sync
+; O3-NEXT:    lw $1, %got(a)($1)
+; O3-NEXT:  $BB17_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $4, 0($1)
+; O3-NEXT:    bne $4, $3, $BB17_3
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; O3-NEXT:    move $5, $2
+; O3-NEXT:    sc $5, 0($1)
+; O3-NEXT:    beqz $5, $BB17_1
+; O3-NEXT:    nop
+; O3-NEXT:  $BB17_3: # %entry
+; O3-NEXT:    sync
+; O3-NEXT:    xor $1, $4, $3
+; O3-NEXT:    jr $ra
+; O3-NEXT:    sltiu $2, $1, 1
+;
+; MIPS32EB-LABEL: zeroreg:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    sync
+; MIPS32EB-NEXT:    addiu $2, $zero, 0
+; MIPS32EB-NEXT:    addiu $3, $zero, 1
+; MIPS32EB-NEXT:    lw $1, %got(a)($1)
+; MIPS32EB-NEXT:  $BB17_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $4, 0($1)
+; MIPS32EB-NEXT:    bne $4, $3, $BB17_3
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    # in Loop: Header=BB17_1 Depth=1
+; MIPS32EB-NEXT:    move $5, $2
+; MIPS32EB-NEXT:    sc $5, 0($1)
+; MIPS32EB-NEXT:    beqz $5, $BB17_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  $BB17_3: # %entry
+; MIPS32EB-NEXT:    xor $1, $4, $3
+; MIPS32EB-NEXT:    sltiu $2, $1, 1
+; MIPS32EB-NEXT:    sync
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
 entry:
   %pair0 = cmpxchg i32* @a, i32 1, i32 0 seq_cst seq_cst
   %0 = extractvalue { i32, i1 } %pair0, 0
@@ -528,21 +7381,277 @@ entry:
 ; Check that MIPS32R6 has the correct offset range.
 ; FIXME: At the moment, we don't seem to do addr+offset for any atomic load/store.
 define i32 @AtomicLoadAdd32_OffGt9Bit(i32 signext %incr) nounwind {
+; MIPS32-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS32:       # %bb.0: # %entry
+; MIPS32-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32-NEXT:    addu $1, $2, $25
+; MIPS32-NEXT:    lw $1, %got(x)($1)
+; MIPS32-NEXT:    addiu $1, $1, 1024
+; MIPS32-NEXT:  $BB18_1: # %entry
+; MIPS32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32-NEXT:    ll $2, 0($1)
+; MIPS32-NEXT:    addu $3, $2, $4
+; MIPS32-NEXT:    sc $3, 0($1)
+; MIPS32-NEXT:    beqz $3, $BB18_1
+; MIPS32-NEXT:    nop
+; MIPS32-NEXT:  # %bb.2: # %entry
+; MIPS32-NEXT:    jr $ra
+; MIPS32-NEXT:    nop
+;
+; MIPS32O0-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS32O0:       # %bb.0: # %entry
+; MIPS32O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32O0-NEXT:    addu $2, $2, $25
+; MIPS32O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32O0-NEXT:    addiu $2, $2, 1024
+; MIPS32O0-NEXT:  $BB18_1: # %entry
+; MIPS32O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32O0-NEXT:    ll $25, 0($2)
+; MIPS32O0-NEXT:    addu $1, $25, $4
+; MIPS32O0-NEXT:    sc $1, 0($2)
+; MIPS32O0-NEXT:    beqz $1, $BB18_1
+; MIPS32O0-NEXT:    nop
+; MIPS32O0-NEXT:  # %bb.2: # %entry
+; MIPS32O0-NEXT:    move $2, $25
+; MIPS32O0-NEXT:    jr $ra
+; MIPS32O0-NEXT:    nop
+;
+; MIPS32R2-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS32R2:       # %bb.0: # %entry
+; MIPS32R2-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R2-NEXT:    addu $1, $2, $25
+; MIPS32R2-NEXT:    lw $1, %got(x)($1)
+; MIPS32R2-NEXT:    addiu $1, $1, 1024
+; MIPS32R2-NEXT:  $BB18_1: # %entry
+; MIPS32R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R2-NEXT:    ll $2, 0($1)
+; MIPS32R2-NEXT:    addu $3, $2, $4
+; MIPS32R2-NEXT:    sc $3, 0($1)
+; MIPS32R2-NEXT:    beqz $3, $BB18_1
+; MIPS32R2-NEXT:    nop
+; MIPS32R2-NEXT:  # %bb.2: # %entry
+; MIPS32R2-NEXT:    jr $ra
+; MIPS32R2-NEXT:    nop
+;
+; MIPS32R6-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS32R6:       # %bb.0: # %entry
+; MIPS32R6-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6-NEXT:    addu $1, $2, $25
+; MIPS32R6-NEXT:    lw $1, %got(x)($1)
+; MIPS32R6-NEXT:    addiu $1, $1, 1024
+; MIPS32R6-NEXT:  $BB18_1: # %entry
+; MIPS32R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6-NEXT:    ll $2, 0($1)
+; MIPS32R6-NEXT:    addu $3, $2, $4
+; MIPS32R6-NEXT:    sc $3, 0($1)
+; MIPS32R6-NEXT:    beqzc $3, $BB18_1
+; MIPS32R6-NEXT:    nop
+; MIPS32R6-NEXT:  # %bb.2: # %entry
+; MIPS32R6-NEXT:    jrc $ra
+;
+; MIPS32R6O0-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS32R6O0:       # %bb.0: # %entry
+; MIPS32R6O0-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, -8
+; MIPS32R6O0-NEXT:    addu $2, $2, $25
+; MIPS32R6O0-NEXT:    move $25, $4
+; MIPS32R6O0-NEXT:    lw $2, %got(x)($2)
+; MIPS32R6O0-NEXT:    addiu $2, $2, 1024
+; MIPS32R6O0-NEXT:  $BB18_1: # %entry
+; MIPS32R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32R6O0-NEXT:    ll $1, 0($2)
+; MIPS32R6O0-NEXT:    addu $3, $1, $4
+; MIPS32R6O0-NEXT:    sc $3, 0($2)
+; MIPS32R6O0-NEXT:    beqzc $3, $BB18_1
+; MIPS32R6O0-NEXT:  # %bb.2: # %entry
+; MIPS32R6O0-NEXT:    move $2, $1
+; MIPS32R6O0-NEXT:    sw $25, 4($sp) # 4-byte Folded Spill
+; MIPS32R6O0-NEXT:    addiu $sp, $sp, 8
+; MIPS32R6O0-NEXT:    jrc $ra
+;
+; MIPS4-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:    daddiu $1, $1, 1024
+; MIPS4-NEXT:  .LBB18_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    ll $2, 0($1)
+; MIPS4-NEXT:    addu $3, $2, $4
+; MIPS4-NEXT:    sc $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB18_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:    daddiu $1, $1, 1024
+; MIPS64-NEXT:  .LBB18_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    ll $2, 0($1)
+; MIPS64-NEXT:    addu $3, $2, $4
+; MIPS64-NEXT:    sc $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB18_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:    daddiu $1, $1, 1024
+; MIPS64R2-NEXT:  .LBB18_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    ll $2, 0($1)
+; MIPS64R2-NEXT:    addu $3, $2, $4
+; MIPS64R2-NEXT:    sc $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB18_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:    daddiu $1, $1, 1024
+; MIPS64R6-NEXT:  .LBB18_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    ll $2, 0($1)
+; MIPS64R6-NEXT:    addu $3, $2, $4
+; MIPS64R6-NEXT:    sc $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB18_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd32_OffGt9Bit)))
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:    daddiu $1, $1, 1024
+; MIPS64R6O0-NEXT:  .LBB18_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    ll $3, 0($1)
+; MIPS64R6O0-NEXT:    addu $5, $3, $2
+; MIPS64R6O0-NEXT:    sc $5, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $5, .LBB18_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    move $2, $3
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; MM32-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MM32:       # %bb.0: # %entry
+; MM32-NEXT:    lui $2, %hi(_gp_disp)
+; MM32-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MM32-NEXT:    addu $2, $2, $25
+; MM32-NEXT:    lw $1, %got(x)($2)
+; MM32-NEXT:    addiu $1, $1, 1024
+; MM32-NEXT:  $BB18_1: # %entry
+; MM32-NEXT:    # =>This Inner Loop Header: Depth=1
+; MM32-NEXT:    ll $2, 0($1)
+; MM32-NEXT:    addu16 $3, $2, $4
+; MM32-NEXT:    sc $3, 0($1)
+; MM32-NEXT:    beqzc $3, $BB18_1
+; MM32-NEXT:  # %bb.2: # %entry
+; MM32-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $2, %hi(_gp_disp)
+; O1-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O1-NEXT:    addu $1, $2, $25
+; O1-NEXT:    lw $1, %got(x)($1)
+; O1-NEXT:    addiu $1, $1, 1024
+; O1-NEXT:  $BB18_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    ll $2, 0($1)
+; O1-NEXT:    addu $3, $2, $4
+; O1-NEXT:    sc $3, 0($1)
+; O1-NEXT:    beqz $3, $BB18_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $2, %hi(_gp_disp)
+; O2-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O2-NEXT:    addu $1, $2, $25
+; O2-NEXT:    lw $1, %got(x)($1)
+; O2-NEXT:    addiu $1, $1, 1024
+; O2-NEXT:  $BB18_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    ll $2, 0($1)
+; O2-NEXT:    addu $3, $2, $4
+; O2-NEXT:    sc $3, 0($1)
+; O2-NEXT:    beqz $3, $BB18_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $2, %hi(_gp_disp)
+; O3-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; O3-NEXT:    addu $1, $2, $25
+; O3-NEXT:    lw $1, %got(x)($1)
+; O3-NEXT:    addiu $1, $1, 1024
+; O3-NEXT:  $BB18_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    ll $2, 0($1)
+; O3-NEXT:    addu $3, $2, $4
+; O3-NEXT:    sc $3, 0($1)
+; O3-NEXT:    beqz $3, $BB18_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS32EB-LABEL: AtomicLoadAdd32_OffGt9Bit:
+; MIPS32EB:       # %bb.0: # %entry
+; MIPS32EB-NEXT:    lui $2, %hi(_gp_disp)
+; MIPS32EB-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; MIPS32EB-NEXT:    addu $1, $2, $25
+; MIPS32EB-NEXT:    lw $1, %got(x)($1)
+; MIPS32EB-NEXT:    addiu $1, $1, 1024
+; MIPS32EB-NEXT:  $BB18_1: # %entry
+; MIPS32EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS32EB-NEXT:    ll $2, 0($1)
+; MIPS32EB-NEXT:    addu $3, $2, $4
+; MIPS32EB-NEXT:    sc $3, 0($1)
+; MIPS32EB-NEXT:    beqz $3, $BB18_1
+; MIPS32EB-NEXT:    nop
+; MIPS32EB-NEXT:  # %bb.2: # %entry
+; MIPS32EB-NEXT:    jr $ra
+; MIPS32EB-NEXT:    nop
 entry:
   %0 = atomicrmw add i32* getelementptr(i32, i32* @x, i32 256), i32 %incr monotonic
   ret i32 %0
 
-; ALL-LABEL: AtomicLoadAdd32_OffGt9Bit:
-
-; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
-; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
-
-; ALL:           addiu   $[[PTR:[0-9]+]], $[[R0]], 1024
-; ALL:       [[BB0:(\$|\.L)[A-Z_0-9]+]]:
-; ALL:           ll      $[[R1:[0-9]+]], 0($[[PTR]])
-; ALL:           addu    $[[R2:[0-9]+]], $[[R1]], $4
-; ALL:           sc      $[[R2]], 0($[[PTR]])
-; NOT-MICROMIPS: beqz    $[[R2]], [[BB0]]
-; MICROMIPS:     beqzc   $[[R2]], [[BB0]]
-; MIPSR6:        beqzc   $[[R2]], [[BB0]]
 }
diff --git a/llvm/test/CodeGen/Mips/atomic64.ll b/llvm/test/CodeGen/Mips/atomic64.ll
new file mode 100644
index 00000000000..aa8442d488b
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/atomic64.ll
@@ -0,0 +1,1397 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips4 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS4
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips64 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips64r2 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64R2
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu --disable-machine-licm -mcpu=mips64r6 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64R6
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -O0 -mcpu=mips64r6 -relocation-model=pic -verify-machineinstrs -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64R6O0
+
+; We want to verify the produced code is well formed all optimization levels, the rest of the test which ensure correctness.
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu -O1 --disable-machine-licm -mcpu=mips64 -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s --check-prefix=O1
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu -O2 --disable-machine-licm -mcpu=mips64 -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s --check-prefix=O2
+; RUN: llc -mtriple=mips64el-unknown-linux-gnu -O3 --disable-machine-licm -mcpu=mips64 -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s --check-prefix=O3
+
+; Keep one big-endian check so that we don't reduce testing, but don't add more
+; since endianness doesn't affect the body of the atomic operations.
+; RUN: llc -mtriple=mips64-unknown-linux-gnu --disable-machine-licm -mcpu=mips64 -relocation-model=pic -verify-machineinstrs < %s | \
+; RUN:   FileCheck %s -check-prefix=MIPS64EB
+
+@x = common global i64 0, align 4
+
+define i64 @AtomicLoadAdd(i64 signext %incr) nounwind {
+; MIPS4-LABEL: AtomicLoadAdd:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB0_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    daddu $3, $2, $4
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB0_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadAdd:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB0_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    daddu $3, $2, $4
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB0_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadAdd:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB0_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    daddu $3, $2, $4
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB0_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadAdd:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB0_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    daddu $3, $2, $4
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB0_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadAdd:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB0_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    daddu $3, $2, $4
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB0_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadAdd:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB0_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    daddu $3, $2, $4
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB0_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadAdd:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB0_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    daddu $3, $2, $4
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB0_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadAdd:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB0_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    daddu $3, $2, $4
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB0_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS64EB-LABEL: AtomicLoadAdd:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAdd)))
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB0_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    daddu $3, $2, $4
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB0_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    nop
+entry:
+  %0 = atomicrmw add i64* @x, i64 %incr monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicLoadSub(i64 signext %incr) nounwind {
+; MIPS4-LABEL: AtomicLoadSub:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB1_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    dsubu $3, $2, $4
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB1_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadSub:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB1_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    dsubu $3, $2, $4
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB1_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadSub:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB1_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    dsubu $3, $2, $4
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB1_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadSub:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB1_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    dsubu $3, $2, $4
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB1_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadSub:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB1_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    dsubu $3, $2, $4
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB1_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadSub:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB1_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    dsubu $3, $2, $4
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB1_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadSub:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB1_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    dsubu $3, $2, $4
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB1_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadSub:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB1_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    dsubu $3, $2, $4
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB1_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS64EB-LABEL: AtomicLoadSub:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadSub)))
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB1_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    dsubu $3, $2, $4
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB1_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    nop
+entry:
+  %0 = atomicrmw sub i64* @x, i64 %incr monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicLoadAnd(i64 signext %incr) nounwind {
+; MIPS4-LABEL: AtomicLoadAnd:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB2_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    and $3, $2, $4
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB2_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadAnd:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB2_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    and $3, $2, $4
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB2_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadAnd:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB2_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    and $3, $2, $4
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB2_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadAnd:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB2_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    and $3, $2, $4
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB2_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadAnd:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB2_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    and $3, $2, $4
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB2_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadAnd:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB2_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    and $3, $2, $4
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB2_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadAnd:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB2_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    and $3, $2, $4
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB2_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadAnd:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB2_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    and $3, $2, $4
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB2_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS64EB-LABEL: AtomicLoadAnd:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadAnd)))
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB2_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    and $3, $2, $4
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB2_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    nop
+entry:
+  %0 = atomicrmw and i64* @x, i64 %incr monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicLoadOr(i64 signext %incr) nounwind {
+; MIPS4-LABEL: AtomicLoadOr:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB3_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    or $3, $2, $4
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB3_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadOr:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB3_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    or $3, $2, $4
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB3_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadOr:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB3_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    or $3, $2, $4
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB3_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadOr:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB3_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    or $3, $2, $4
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB3_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadOr:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB3_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    or $3, $2, $4
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB3_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadOr:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB3_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    or $3, $2, $4
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB3_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadOr:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB3_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    or $3, $2, $4
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB3_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadOr:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB3_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    or $3, $2, $4
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB3_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS64EB-LABEL: AtomicLoadOr:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadOr)))
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB3_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    or $3, $2, $4
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB3_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    nop
+entry:
+  %0 = atomicrmw or i64* @x, i64 %incr monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicLoadXor(i64 signext %incr) nounwind {
+; MIPS4-LABEL: AtomicLoadXor:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB4_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    xor $3, $2, $4
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB4_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadXor:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB4_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    xor $3, $2, $4
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB4_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadXor:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB4_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    xor $3, $2, $4
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB4_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadXor:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB4_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    xor $3, $2, $4
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB4_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadXor:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB4_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    xor $3, $2, $4
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB4_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadXor:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB4_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    xor $3, $2, $4
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB4_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadXor:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB4_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    xor $3, $2, $4
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB4_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadXor:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB4_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    xor $3, $2, $4
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB4_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS64EB-LABEL: AtomicLoadXor:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadXor)))
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB4_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    xor $3, $2, $4
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB4_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    nop
+entry:
+  %0 = atomicrmw xor i64* @x, i64 %incr monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicLoadNand(i64 signext %incr) nounwind {
+; MIPS4-LABEL: AtomicLoadNand:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB5_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    and $3, $2, $4
+; MIPS4-NEXT:    nor $3, $zero, $3
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB5_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    nop
+;
+; MIPS64-LABEL: AtomicLoadNand:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB5_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    and $3, $2, $4
+; MIPS64-NEXT:    nor $3, $zero, $3
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB5_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    nop
+;
+; MIPS64R2-LABEL: AtomicLoadNand:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB5_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    and $3, $2, $4
+; MIPS64R2-NEXT:    nor $3, $zero, $3
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB5_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    nop
+;
+; MIPS64R6-LABEL: AtomicLoadNand:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB5_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    and $3, $2, $4
+; MIPS64R6-NEXT:    nor $3, $zero, $3
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB5_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jrc $ra
+;
+; MIPS64R6O0-LABEL: AtomicLoadNand:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB5_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    and $3, $2, $4
+; MIPS64R6O0-NEXT:    nor $3, $zero, $3
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB5_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicLoadNand:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB5_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    and $3, $2, $4
+; O1-NEXT:    nor $3, $zero, $3
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB5_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    nop
+;
+; O2-LABEL: AtomicLoadNand:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB5_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    and $3, $2, $4
+; O2-NEXT:    nor $3, $zero, $3
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB5_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    nop
+;
+; O3-LABEL: AtomicLoadNand:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB5_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    and $3, $2, $4
+; O3-NEXT:    nor $3, $zero, $3
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB5_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    nop
+;
+; MIPS64EB-LABEL: AtomicLoadNand:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicLoadNand)))
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB5_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    and $3, $2, $4
+; MIPS64EB-NEXT:    nor $3, $zero, $3
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB5_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    nop
+entry:
+  %0 = atomicrmw nand i64* @x, i64 %incr monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicSwap64(i64 signext %newval) nounwind {
+; MIPS4-LABEL: AtomicSwap64:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    daddiu $sp, $sp, -16
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; MIPS4-NEXT:    sd $4, 8($sp)
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB6_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    move $3, $4
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB6_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64-LABEL: AtomicSwap64:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    daddiu $sp, $sp, -16
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64-NEXT:    sd $4, 8($sp)
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB6_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    move $3, $4
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB6_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R2-LABEL: AtomicSwap64:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64R2-NEXT:    sd $4, 8($sp)
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB6_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    move $3, $4
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB6_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6-LABEL: AtomicSwap64:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64R6-NEXT:    sd $4, 8($sp)
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB6_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    move $3, $4
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB6_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6O0-LABEL: AtomicSwap64:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64R6O0-NEXT:    move $25, $4
+; MIPS64R6O0-NEXT:    sd $4, 8($sp)
+; MIPS64R6O0-NEXT:    ld $4, 8($sp)
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:  .LBB6_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $2, 0($1)
+; MIPS64R6O0-NEXT:    move $3, $4
+; MIPS64R6O0-NEXT:    scd $3, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $3, .LBB6_1
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    sd $25, 0($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 16
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicSwap64:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    daddiu $sp, $sp, -16
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; O1-NEXT:    sd $4, 8($sp)
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB6_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    move $3, $4
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB6_1
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    daddiu $sp, $sp, 16
+;
+; O2-LABEL: AtomicSwap64:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    daddiu $sp, $sp, -16
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; O2-NEXT:    sd $4, 8($sp)
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB6_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    move $3, $4
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB6_1
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    daddiu $sp, $sp, 16
+;
+; O3-LABEL: AtomicSwap64:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    daddiu $sp, $sp, -16
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; O3-NEXT:    sd $4, 8($sp)
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB6_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    move $3, $4
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB6_1
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64EB-LABEL: AtomicSwap64:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    daddiu $sp, $sp, -16
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicSwap64)))
+; MIPS64EB-NEXT:    sd $4, 8($sp)
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB6_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    move $3, $4
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB6_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    daddiu $sp, $sp, 16
+entry:
+  %newval.addr = alloca i64, align 4
+  store i64 %newval, i64* %newval.addr, align 4
+  %tmp = load i64, i64* %newval.addr, align 4
+  %0 = atomicrmw xchg i64* @x, i64 %tmp monotonic
+  ret i64 %0
+
+}
+
+define i64 @AtomicCmpSwap64(i64 signext %oldval, i64 signext %newval) nounwind {
+; MIPS4-LABEL: AtomicCmpSwap64:
+; MIPS4:       # %bb.0: # %entry
+; MIPS4-NEXT:    daddiu $sp, $sp, -16
+; MIPS4-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS4-NEXT:    daddu $1, $1, $25
+; MIPS4-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS4-NEXT:    sd $5, 8($sp)
+; MIPS4-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS4-NEXT:  .LBB7_1: # %entry
+; MIPS4-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS4-NEXT:    lld $2, 0($1)
+; MIPS4-NEXT:    bne $2, $4, .LBB7_3
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  # %bb.2: # %entry
+; MIPS4-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS4-NEXT:    move $3, $5
+; MIPS4-NEXT:    scd $3, 0($1)
+; MIPS4-NEXT:    beqz $3, .LBB7_1
+; MIPS4-NEXT:    nop
+; MIPS4-NEXT:  .LBB7_3: # %entry
+; MIPS4-NEXT:    jr $ra
+; MIPS4-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64-LABEL: AtomicCmpSwap64:
+; MIPS64:       # %bb.0: # %entry
+; MIPS64-NEXT:    daddiu $sp, $sp, -16
+; MIPS64-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64-NEXT:    daddu $1, $1, $25
+; MIPS64-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64-NEXT:    sd $5, 8($sp)
+; MIPS64-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64-NEXT:  .LBB7_1: # %entry
+; MIPS64-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64-NEXT:    lld $2, 0($1)
+; MIPS64-NEXT:    bne $2, $4, .LBB7_3
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  # %bb.2: # %entry
+; MIPS64-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64-NEXT:    move $3, $5
+; MIPS64-NEXT:    scd $3, 0($1)
+; MIPS64-NEXT:    beqz $3, .LBB7_1
+; MIPS64-NEXT:    nop
+; MIPS64-NEXT:  .LBB7_3: # %entry
+; MIPS64-NEXT:    jr $ra
+; MIPS64-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R2-LABEL: AtomicCmpSwap64:
+; MIPS64R2:       # %bb.0: # %entry
+; MIPS64R2-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64R2-NEXT:    daddu $1, $1, $25
+; MIPS64R2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64R2-NEXT:    sd $5, 8($sp)
+; MIPS64R2-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R2-NEXT:  .LBB7_1: # %entry
+; MIPS64R2-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R2-NEXT:    lld $2, 0($1)
+; MIPS64R2-NEXT:    bne $2, $4, .LBB7_3
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  # %bb.2: # %entry
+; MIPS64R2-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64R2-NEXT:    move $3, $5
+; MIPS64R2-NEXT:    scd $3, 0($1)
+; MIPS64R2-NEXT:    beqz $3, .LBB7_1
+; MIPS64R2-NEXT:    nop
+; MIPS64R2-NEXT:  .LBB7_3: # %entry
+; MIPS64R2-NEXT:    jr $ra
+; MIPS64R2-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6-LABEL: AtomicCmpSwap64:
+; MIPS64R6:       # %bb.0: # %entry
+; MIPS64R6-NEXT:    daddiu $sp, $sp, -16
+; MIPS64R6-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64R6-NEXT:    daddu $1, $1, $25
+; MIPS64R6-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64R6-NEXT:    sd $5, 8($sp)
+; MIPS64R6-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6-NEXT:  .LBB7_1: # %entry
+; MIPS64R6-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6-NEXT:    lld $2, 0($1)
+; MIPS64R6-NEXT:    bnec $2, $4, .LBB7_3
+; MIPS64R6-NEXT:  # %bb.2: # %entry
+; MIPS64R6-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64R6-NEXT:    move $3, $5
+; MIPS64R6-NEXT:    scd $3, 0($1)
+; MIPS64R6-NEXT:    beqzc $3, .LBB7_1
+; MIPS64R6-NEXT:    nop
+; MIPS64R6-NEXT:  .LBB7_3: # %entry
+; MIPS64R6-NEXT:    jr $ra
+; MIPS64R6-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64R6O0-LABEL: AtomicCmpSwap64:
+; MIPS64R6O0:       # %bb.0: # %entry
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, -48
+; MIPS64R6O0-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64R6O0-NEXT:    daddu $1, $1, $25
+; MIPS64R6O0-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64R6O0-NEXT:    move $25, $5
+; MIPS64R6O0-NEXT:    move $2, $4
+; MIPS64R6O0-NEXT:    sd $5, 40($sp)
+; MIPS64R6O0-NEXT:    ld $5, 40($sp)
+; MIPS64R6O0-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64R6O0-NEXT:    ld $3, 32($sp) # 8-byte Folded Reload
+; MIPS64R6O0-NEXT:  .LBB7_1: # %entry
+; MIPS64R6O0-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64R6O0-NEXT:    lld $6, 0($1)
+; MIPS64R6O0-NEXT:    bnec $6, $4, .LBB7_3
+; MIPS64R6O0-NEXT:  # %bb.2: # %entry
+; MIPS64R6O0-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64R6O0-NEXT:    move $7, $5
+; MIPS64R6O0-NEXT:    scd $7, 0($1)
+; MIPS64R6O0-NEXT:    beqzc $7, .LBB7_1
+; MIPS64R6O0-NEXT:  .LBB7_3: # %entry
+; MIPS64R6O0-NEXT:    sd $2, 24($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    move $2, $6
+; MIPS64R6O0-NEXT:    sd $6, 32($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    sd $25, 16($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    sd $3, 8($sp) # 8-byte Folded Spill
+; MIPS64R6O0-NEXT:    daddiu $sp, $sp, 48
+; MIPS64R6O0-NEXT:    jrc $ra
+;
+; O1-LABEL: AtomicCmpSwap64:
+; O1:       # %bb.0: # %entry
+; O1-NEXT:    daddiu $sp, $sp, -16
+; O1-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; O1-NEXT:    daddu $1, $1, $25
+; O1-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; O1-NEXT:    sd $5, 8($sp)
+; O1-NEXT:    ld $1, %got_disp(x)($1)
+; O1-NEXT:  .LBB7_1: # %entry
+; O1-NEXT:    # =>This Inner Loop Header: Depth=1
+; O1-NEXT:    lld $2, 0($1)
+; O1-NEXT:    bne $2, $4, .LBB7_3
+; O1-NEXT:    nop
+; O1-NEXT:  # %bb.2: # %entry
+; O1-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; O1-NEXT:    move $3, $5
+; O1-NEXT:    scd $3, 0($1)
+; O1-NEXT:    beqz $3, .LBB7_1
+; O1-NEXT:    nop
+; O1-NEXT:  .LBB7_3: # %entry
+; O1-NEXT:    jr $ra
+; O1-NEXT:    daddiu $sp, $sp, 16
+;
+; O2-LABEL: AtomicCmpSwap64:
+; O2:       # %bb.0: # %entry
+; O2-NEXT:    daddiu $sp, $sp, -16
+; O2-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; O2-NEXT:    daddu $1, $1, $25
+; O2-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; O2-NEXT:    sd $5, 8($sp)
+; O2-NEXT:    ld $1, %got_disp(x)($1)
+; O2-NEXT:  .LBB7_1: # %entry
+; O2-NEXT:    # =>This Inner Loop Header: Depth=1
+; O2-NEXT:    lld $2, 0($1)
+; O2-NEXT:    bne $2, $4, .LBB7_3
+; O2-NEXT:    nop
+; O2-NEXT:  # %bb.2: # %entry
+; O2-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; O2-NEXT:    move $3, $5
+; O2-NEXT:    scd $3, 0($1)
+; O2-NEXT:    beqz $3, .LBB7_1
+; O2-NEXT:    nop
+; O2-NEXT:  .LBB7_3: # %entry
+; O2-NEXT:    jr $ra
+; O2-NEXT:    daddiu $sp, $sp, 16
+;
+; O3-LABEL: AtomicCmpSwap64:
+; O3:       # %bb.0: # %entry
+; O3-NEXT:    daddiu $sp, $sp, -16
+; O3-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; O3-NEXT:    sd $5, 8($sp)
+; O3-NEXT:    daddu $1, $1, $25
+; O3-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; O3-NEXT:    ld $1, %got_disp(x)($1)
+; O3-NEXT:  .LBB7_1: # %entry
+; O3-NEXT:    # =>This Inner Loop Header: Depth=1
+; O3-NEXT:    lld $2, 0($1)
+; O3-NEXT:    bne $2, $4, .LBB7_3
+; O3-NEXT:    nop
+; O3-NEXT:  # %bb.2: # %entry
+; O3-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; O3-NEXT:    move $3, $5
+; O3-NEXT:    scd $3, 0($1)
+; O3-NEXT:    beqz $3, .LBB7_1
+; O3-NEXT:    nop
+; O3-NEXT:  .LBB7_3: # %entry
+; O3-NEXT:    jr $ra
+; O3-NEXT:    daddiu $sp, $sp, 16
+;
+; MIPS64EB-LABEL: AtomicCmpSwap64:
+; MIPS64EB:       # %bb.0: # %entry
+; MIPS64EB-NEXT:    daddiu $sp, $sp, -16
+; MIPS64EB-NEXT:    lui $1, %hi(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64EB-NEXT:    daddu $1, $1, $25
+; MIPS64EB-NEXT:    daddiu $1, $1, %lo(%neg(%gp_rel(AtomicCmpSwap64)))
+; MIPS64EB-NEXT:    sd $5, 8($sp)
+; MIPS64EB-NEXT:    ld $1, %got_disp(x)($1)
+; MIPS64EB-NEXT:  .LBB7_1: # %entry
+; MIPS64EB-NEXT:    # =>This Inner Loop Header: Depth=1
+; MIPS64EB-NEXT:    lld $2, 0($1)
+; MIPS64EB-NEXT:    bne $2, $4, .LBB7_3
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  # %bb.2: # %entry
+; MIPS64EB-NEXT:    # in Loop: Header=BB7_1 Depth=1
+; MIPS64EB-NEXT:    move $3, $5
+; MIPS64EB-NEXT:    scd $3, 0($1)
+; MIPS64EB-NEXT:    beqz $3, .LBB7_1
+; MIPS64EB-NEXT:    nop
+; MIPS64EB-NEXT:  .LBB7_3: # %entry
+; MIPS64EB-NEXT:    jr $ra
+; MIPS64EB-NEXT:    daddiu $sp, $sp, 16
+entry:
+  %newval.addr = alloca i64, align 4
+  store i64 %newval, i64* %newval.addr, align 4
+  %tmp = load i64, i64* %newval.addr, align 4
+  %0 = cmpxchg i64* @x, i64 %oldval, i64 %tmp monotonic monotonic
+  %1 = extractvalue { i64, i1 } %0, 0
+  ret i64 %1
+
+}
diff --git a/llvm/test/CodeGen/Mips/atomicCmpSwapPW.ll b/llvm/test/CodeGen/Mips/atomicCmpSwapPW.ll
index 981f0983fa4..10610e34e71 100644
--- a/llvm/test/CodeGen/Mips/atomicCmpSwapPW.ll
+++ b/llvm/test/CodeGen/Mips/atomicCmpSwapPW.ll
@@ -1,17 +1,113 @@
-; RUN: llc -O0 -march=mipsel -mcpu=mips32r2 -target-abi=o32 < %s -filetype=asm -o - \
-; RUN:   | FileCheck -check-prefixes=PTR32,ALL %s
-; RUN: llc -O0 -march=mips64el -mcpu=mips64r2 -target-abi=n32 < %s -filetype=asm -o - \
-; RUN:   | FileCheck  -check-prefixes=PTR32,ALL %s
-; RUN: llc -O0 -march=mips64el -mcpu=mips64r2 -target-abi=n64 < %s -filetype=asm -o - \
-; RUN:   | FileCheck -check-prefixes=PTR64,ALL %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -O0 -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r2 -target-abi=o32 < %s -filetype=asm -o - \
+; RUN:   | FileCheck -check-prefixes=O32 %s
+; RUN: llc -O0 -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n32 < %s -filetype=asm -o - \
+; RUN:   | FileCheck  -check-prefixes=N32,ALL %s
+; RUN: llc -O0 -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n64 < %s -filetype=asm -o - \
+; RUN:   | FileCheck -check-prefixes=N64 %s
 
-; PTR32: lw $[[R0:[0-9]+]]
-; PTR64: ld $[[R0:[0-9]+]]
+@sym = external global i32 *
 
-; ALL: ll ${{[0-9]+}}, 0($[[R0]])
-
-define {i16, i1} @foo(i16* %addr, i16 signext %r, i16 zeroext %new) {
-  %res = cmpxchg i16* %addr, i16 %r, i16 %new seq_cst seq_cst
-  ret {i16, i1} %res
+define void @foo(i32 %new, i32 %old) {
+; O32-LABEL: foo:
+; O32:       # %bb.0: # %entry
+; O32-NEXT:    addiu $sp, $sp, -16
+; O32-NEXT:    .cfi_def_cfa_offset 16
+; O32-NEXT:    move $1, $5
+; O32-NEXT:    move $2, $4
+; O32-NEXT:    lui $3, %hi(sym)
+; O32-NEXT:    lw $3, %lo(sym)($3)
+; O32-NEXT:    sync
+; O32-NEXT:    lw $6, 12($sp) # 4-byte Folded Reload
+; O32-NEXT:  $BB0_1: # %entry
+; O32-NEXT:    # =>This Inner Loop Header: Depth=1
+; O32-NEXT:    ll $7, 0($3)
+; O32-NEXT:    bne $7, $4, $BB0_3
+; O32-NEXT:    nop
+; O32-NEXT:  # %bb.2: # %entry
+; O32-NEXT:    # in Loop: Header=BB0_1 Depth=1
+; O32-NEXT:    move $8, $5
+; O32-NEXT:    sc $8, 0($3)
+; O32-NEXT:    beqz $8, $BB0_1
+; O32-NEXT:    nop
+; O32-NEXT:  $BB0_3: # %entry
+; O32-NEXT:    sync
+; O32-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; O32-NEXT:    sw $6, 8($sp) # 4-byte Folded Spill
+; O32-NEXT:    sw $1, 4($sp) # 4-byte Folded Spill
+; O32-NEXT:    sw $2, 0($sp) # 4-byte Folded Spill
+; O32-NEXT:    addiu $sp, $sp, 16
+; O32-NEXT:    jr $ra
+; O32-NEXT:    nop
+;
+; N32-LABEL: foo:
+; N32:       # %bb.0: # %entry
+; N32-NEXT:    addiu $sp, $sp, -16
+; N32-NEXT:    .cfi_def_cfa_offset 16
+; N32-NEXT:    move $1, $5
+; N32-NEXT:    sll $1, $1, 0
+; N32-NEXT:    move $2, $4
+; N32-NEXT:    sll $2, $2, 0
+; N32-NEXT:    lui $3, %hi(sym)
+; N32-NEXT:    lw $3, %lo(sym)($3)
+; N32-NEXT:    sync
+; N32-NEXT:    lw $6, 12($sp) # 4-byte Folded Reload
+; N32-NEXT:  .LBB0_1: # %entry
+; N32-NEXT:    # =>This Inner Loop Header: Depth=1
+; N32-NEXT:    ll $7, 0($3)
+; N32-NEXT:    bne $7, $2, .LBB0_3
+; N32-NEXT:    nop
+; N32-NEXT:  # %bb.2: # %entry
+; N32-NEXT:    # in Loop: Header=BB0_1 Depth=1
+; N32-NEXT:    move $8, $1
+; N32-NEXT:    sc $8, 0($3)
+; N32-NEXT:    beqz $8, .LBB0_1
+; N32-NEXT:    nop
+; N32-NEXT:  .LBB0_3: # %entry
+; N32-NEXT:    sync
+; N32-NEXT:    sw $7, 12($sp) # 4-byte Folded Spill
+; N32-NEXT:    sw $6, 8($sp) # 4-byte Folded Spill
+; N32-NEXT:    addiu $sp, $sp, 16
+; N32-NEXT:    jr $ra
+; N32-NEXT:    nop
+;
+; N64-LABEL: foo:
+; N64:       # %bb.0: # %entry
+; N64-NEXT:    daddiu $sp, $sp, -16
+; N64-NEXT:    .cfi_def_cfa_offset 16
+; N64-NEXT:    move $1, $5
+; N64-NEXT:    sll $1, $1, 0
+; N64-NEXT:    move $2, $4
+; N64-NEXT:    sll $2, $2, 0
+; N64-NEXT:    lui $4, %highest(sym)
+; N64-NEXT:    daddiu $4, $4, %higher(sym)
+; N64-NEXT:    dsll $4, $4, 16
+; N64-NEXT:    daddiu $4, $4, %hi(sym)
+; N64-NEXT:    dsll $4, $4, 16
+; N64-NEXT:    ld $4, %lo(sym)($4)
+; N64-NEXT:    sync
+; N64-NEXT:    lw $3, 12($sp) # 4-byte Folded Reload
+; N64-NEXT:  .LBB0_1: # %entry
+; N64-NEXT:    # =>This Inner Loop Header: Depth=1
+; N64-NEXT:    ll $6, 0($4)
+; N64-NEXT:    bne $6, $2, .LBB0_3
+; N64-NEXT:    nop
+; N64-NEXT:  # %bb.2: # %entry
+; N64-NEXT:    # in Loop: Header=BB0_1 Depth=1
+; N64-NEXT:    move $7, $1
+; N64-NEXT:    sc $7, 0($4)
+; N64-NEXT:    beqz $7, .LBB0_1
+; N64-NEXT:    nop
+; N64-NEXT:  .LBB0_3: # %entry
+; N64-NEXT:    sync
+; N64-NEXT:    sw $6, 12($sp) # 4-byte Folded Spill
+; N64-NEXT:    sw $3, 8($sp) # 4-byte Folded Spill
+; N64-NEXT:    daddiu $sp, $sp, 16
+; N64-NEXT:    jr $ra
+; N64-NEXT:    nop
+entry:
+  %0 = load i32 *, i32 ** @sym
+  cmpxchg i32 * %0, i32 %new, i32 %old seq_cst seq_cst
+  ret void
 }
 
diff --git a/llvm/test/CodeGen/Mips/micromips-atomic.ll b/llvm/test/CodeGen/Mips/micromips-atomic.ll
index 82eee4bd84b..e1e597635e7 100644
--- a/llvm/test/CodeGen/Mips/micromips-atomic.ll
+++ b/llvm/test/CodeGen/Mips/micromips-atomic.ll
@@ -1,18 +1,25 @@
-; RUN: llc %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -filetype=asm \
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc %s -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r2 -mattr=micromips -filetype=asm \
 ; RUN: -relocation-model=pic -o - | FileCheck %s
 
 @x = common global i32 0, align 4
 
 define i32 @AtomicLoadAdd32(i32 %incr) nounwind {
+; CHECK-LABEL: AtomicLoadAdd32:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    lui $2, %hi(_gp_disp)
+; CHECK-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; CHECK-NEXT:    addu $2, $2, $25
+; CHECK-NEXT:    lw $1, %got(x)($2)
+; CHECK-NEXT:  $BB0_1: # %entry
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    ll $2, 0($1)
+; CHECK-NEXT:    addu16 $3, $2, $4
+; CHECK-NEXT:    sc $3, 0($1)
+; CHECK-NEXT:    beqzc $3, $BB0_1
+; CHECK-NEXT:  # %bb.2: # %entry
+; CHECK-NEXT:    jrc $ra
 entry:
   %0 = atomicrmw add i32* @x, i32 %incr monotonic
   ret i32 %0
-
-; CHECK-LABEL:   AtomicLoadAdd32:
-; CHECK:   lw      $[[R0:[0-9]+]], %got(x)
-; CHECK:   $[[BB0:[A-Z_0-9]+]]:
-; CHECK:   ll      $[[R1:[0-9]+]], 0($[[R0]])
-; CHECK:   addu    $[[R2:[0-9]+]], $[[R1]], $4
-; CHECK:   sc      $[[R2]], 0($[[R0]])
-; CHECK:   beqzc   $[[R2]], $[[BB0]]
 }