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Diffstat (limited to 'llvm/test/CodeGen/X86/atomic_mi.ll')
-rw-r--r--llvm/test/CodeGen/X86/atomic_mi.ll108
1 files changed, 32 insertions, 76 deletions
diff --git a/llvm/test/CodeGen/X86/atomic_mi.ll b/llvm/test/CodeGen/X86/atomic_mi.ll
index 5410e9133b2..03958f0ceab 100644
--- a/llvm/test/CodeGen/X86/atomic_mi.ll
+++ b/llvm/test/CodeGen/X86/atomic_mi.ll
@@ -209,17 +209,13 @@ define void @add_16i(i16* %p) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; X64-LABEL: add_16i:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: addl $2, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: addw $2, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: add_16i:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: addl $2, %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: addw $2, (%eax)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = add i16 %1, 2
@@ -232,17 +228,14 @@ define void @add_16r(i16* %p, i16 %v) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; X64-LABEL: add_16r:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: addl %esi, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: addw %si, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: add_16r:
; X32: # %bb.0:
-; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: addw {{[0-9]+}}(%esp), %cx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X32-NEXT: addw %ax, (%ecx)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = add i16 %1, %v
@@ -506,17 +499,13 @@ define void @and_16i(i16* %p) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; X64-LABEL: and_16i:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: andl $2, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: andw $2, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: and_16i:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: andl $2, %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: andw $2, (%eax)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = and i16 %1, 2
@@ -529,17 +518,14 @@ define void @and_16r(i16* %p, i16 %v) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; X64-LABEL: and_16r:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: andl %esi, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: andw %si, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: and_16r:
; X32: # %bb.0:
-; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: andw {{[0-9]+}}(%esp), %cx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X32-NEXT: andw %ax, (%ecx)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = and i16 %1, %v
@@ -751,17 +737,13 @@ define void @or_8r(i8* %p, i8 %v) {
define void @or_16i(i16* %p) {
; X64-LABEL: or_16i:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: orl $2, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: orw $2, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: or_16i:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: orl $2, %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: orw $2, (%eax)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = or i16 %1, 2
@@ -772,17 +754,14 @@ define void @or_16i(i16* %p) {
define void @or_16r(i16* %p, i16 %v) {
; X64-LABEL: or_16r:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: orl %esi, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: orw %si, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: or_16r:
; X32: # %bb.0:
-; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: orw {{[0-9]+}}(%esp), %cx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X32-NEXT: orw %ax, (%ecx)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = or i16 %1, %v
@@ -994,17 +973,13 @@ define void @xor_8r(i8* %p, i8 %v) {
define void @xor_16i(i16* %p) {
; X64-LABEL: xor_16i:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: xorl $2, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: xorw $2, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: xor_16i:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: xorl $2, %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: xorw $2, (%eax)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = xor i16 %1, 2
@@ -1015,17 +990,14 @@ define void @xor_16i(i16* %p) {
define void @xor_16r(i16* %p, i16 %v) {
; X64-LABEL: xor_16r:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: xorl %esi, %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: xorw %si, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: xor_16r:
; X32: # %bb.0:
-; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: xorw {{[0-9]+}}(%esp), %cx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X32-NEXT: xorw %ax, (%ecx)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = xor i16 %1, %v
@@ -1226,24 +1198,18 @@ define void @inc_16(i16* %p) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; FAST_INC-LABEL: inc_16:
; FAST_INC: # %bb.0:
-; FAST_INC-NEXT: movw (%rdi), %ax
-; FAST_INC-NEXT: incl %eax
-; FAST_INC-NEXT: movw %ax, (%rdi)
+; FAST_INC-NEXT: incw (%rdi)
; FAST_INC-NEXT: retq
;
; X32-LABEL: inc_16:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: incl %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: incw (%eax)
; X32-NEXT: retl
;
; SLOW_INC-LABEL: inc_16:
; SLOW_INC: # %bb.0:
-; SLOW_INC-NEXT: movw (%rdi), %ax
-; SLOW_INC-NEXT: addl $1, %eax
-; SLOW_INC-NEXT: movw %ax, (%rdi)
+; SLOW_INC-NEXT: addw $1, (%rdi)
; SLOW_INC-NEXT: retq
%1 = load atomic i16, i16* %p acquire, align 2
%2 = add i16 %1, 1
@@ -1379,24 +1345,18 @@ define void @dec_16(i16* %p) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; FAST_INC-LABEL: dec_16:
; FAST_INC: # %bb.0:
-; FAST_INC-NEXT: movw (%rdi), %ax
-; FAST_INC-NEXT: decl %eax
-; FAST_INC-NEXT: movw %ax, (%rdi)
+; FAST_INC-NEXT: decw (%rdi)
; FAST_INC-NEXT: retq
;
; X32-LABEL: dec_16:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: decl %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: decw (%eax)
; X32-NEXT: retl
;
; SLOW_INC-LABEL: dec_16:
; SLOW_INC: # %bb.0:
-; SLOW_INC-NEXT: movw (%rdi), %ax
-; SLOW_INC-NEXT: addl $-1, %eax
-; SLOW_INC-NEXT: movw %ax, (%rdi)
+; SLOW_INC-NEXT: addw $-1, (%rdi)
; SLOW_INC-NEXT: retq
%1 = load atomic i16, i16* %p acquire, align 2
%2 = sub i16 %1, 1
@@ -1527,17 +1487,13 @@ define void @not_16(i16* %p) {
; treat 16 bit arithmetic as expensive on X86/X86_64.
; X64-LABEL: not_16:
; X64: # %bb.0:
-; X64-NEXT: movw (%rdi), %ax
-; X64-NEXT: notl %eax
-; X64-NEXT: movw %ax, (%rdi)
+; X64-NEXT: notw (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: not_16:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT: movw (%eax), %cx
-; X32-NEXT: notl %ecx
-; X32-NEXT: movw %cx, (%eax)
+; X32-NEXT: notw (%eax)
; X32-NEXT: retl
%1 = load atomic i16, i16* %p acquire, align 2
%2 = xor i16 %1, -1
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