1 files changed, 121 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/lshr.ll b/llvm/test/CodeGen/Mips/llvm-ir/lshr.ll
new file mode 100644
index 00000000000..8975c8cccdf
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/llvm-ir/lshr.ll
@@ -0,0 +1,121 @@
+; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP32 \
+; RUN:    -check-prefix=M2 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips -mcpu=mips32 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP32 -check-prefix=NOT-R2-R6 \
+; RUN:    -check-prefix=32R1-R2
+; RUN: llc < %s -march=mips -mcpu=mips32r2 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP32 \
+; RUN:    -check-prefix=32R1-R2 -check-prefix=R2-R6
+; RUN: llc < %s -march=mips -mcpu=mips32r6 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP32 \
+; RUN:    -check-prefix=32R6 -check-prefix=R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips3 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP64 \
+; RUN:    -check-prefix=M3 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips4 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP64 \
+; RUN:    -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips64 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP64 \
+; RUN:    -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips64r2 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP64 \
+; RUN:    -check-prefix=GP64-NOT-R6 -check-prefix R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips64r6 | FileCheck %s \
+; RUN:    -check-prefix=ALL -check-prefix=GP64 \
+; RUN:    -check-prefix=64R6 -check-prefix=R2-R6
+
+define signext i1 @lshr_i1(i1 signext %a, i1 signext %b) {
+entry:
+; ALL-LABEL: lshr_i1:
+
+  ; ALL:        move    $2, $4
+
+  %r = lshr i1 %a, %b
+  ret i1 %r
+}
+
+define zeroext i8 @lshr_i8(i8 zeroext %a, i8 zeroext %b) {
+entry:
+; ALL-LABEL: lshr_i8:
+
+  ; ALL:        srlv    $[[T0:[0-9]+]], $4, $5
+  ; ALL:        andi    $2, $[[T0]], 255
+
+  %r = lshr i8 %a, %b
+  ret i8 %r
+}
+
+define zeroext i16 @lshr_i16(i16 zeroext %a, i16 zeroext %b) {
+entry:
+; ALL-LABEL: lshr_i16:
+
+  ; ALL:        srlv    $[[T0:[0-9]+]], $4, $5
+  ; ALL:        andi    $2, $[[T0]], 65535
+
+  %r = lshr i16 %a, %b
+  ret i16 %r
+}
+
+define signext i32 @lshr_i32(i32 signext %a, i32 signext %b) {
+entry:
+; ALL-LABEL: lshr_i32:
+
+  ; ALL:          srlv    $2, $4, $5
+
+  %r = lshr i32 %a, %b
+  ret i32 %r
+}
+
+define signext i64 @lshr_i64(i64 signext %a, i64 signext %b) {
+entry:
+; ALL-LABEL: lshr_i64:
+
+  ; M2:         srlv      $[[T0:[0-9]+]], $4, $7
+  ; M2:         andi      $[[T1:[0-9]+]], $7, 32
+  ; M2:         bnez      $[[T1]], $[[BB0:BB[0-9_]+]]
+  ; M2:         move      $3, $[[T0]]
+  ; M2:         srlv      $[[T2:[0-9]+]], $5, $7
+  ; M2:         not       $[[T3:[0-9]+]], $7
+  ; M2:         sll       $[[T4:[0-9]+]], $4, 1
+  ; M2:         sllv      $[[T5:[0-9]+]], $[[T4]], $[[T3]]
+  ; M2:         or        $3, $[[T3]], $[[T2]]
+  ; M2:         $[[BB0]]:
+  ; M2:         bnez      $[[T1]], $[[BB1:BB[0-9_]+]]
+  ; M2:         addiu     $2, $zero, 0
+  ; M2:         move      $2, $[[T0]]
+  ; M2:         $[[BB1]]:
+  ; M2:         jr        $ra
+  ; M2:         nop
+
+  ; 32R1-R2:    srlv      $[[T0:[0-9]+]], $5, $7
+  ; 32R1-R2:    not       $[[T1:[0-9]+]], $7
+  ; 32R1-R2:    sll       $[[T2:[0-9]+]], $4, 1
+  ; 32R1-R2:    sllv      $[[T3:[0-9]+]], $[[T2]], $[[T1]]
+  ; 32R1-R2:    or        $3, $[[T3]], $[[T0]]
+  ; 32R1-R2:    srlv      $[[T4:[0-9]+]], $4, $7
+  ; 32R1-R2:    andi      $[[T5:[0-9]+]], $7, 32
+  ; 32R1-R2:    movn      $3, $[[T4]], $[[T5]]
+  ; 32R1-R2:    jr        $ra
+  ; 32R1-R2:    movn      $2, $zero, $[[T5]]
+
+  ; 32R6:       srlv      $[[T0:[0-9]+]], $5, $7
+  ; 32R6:       not       $[[T1:[0-9]+]], $7
+  ; 32R6:       sll       $[[T2:[0-9]+]], $4, 1
+  ; 32R6:       sllv      $[[T3:[0-9]+]], $[[T2]], $[[T1]]
+  ; 32R6:       or        $[[T4:[0-9]+]], $[[T3]], $[[T0]]
+  ; 32R6:       andi      $[[T5:[0-9]+]], $7, 32
+  ; 32R6:       seleqz    $[[T6:[0-9]+]], $[[T4]], $[[T3]]
+  ; 32R6:       srlv      $[[T7:[0-9]+]], $4, $7
+  ; 32R6:       selnez    $[[T8:[0-9]+]], $[[T7]], $[[T5]]
+  ; 32R6:       or        $3, $[[T8]], $[[T6]]
+  ; 32R6:       jr        $ra
+  ; 32R6:       seleqz    $2, $[[T7]], $[[T5]]
+
+  ; GP64:         sll     $[[T0:[0-9]+]], $5, 0
+  ; GP64:         dsrlv   $2, $4, $[[T0]]
+
+  %r = lshr i64 %a, %b
+  ret i64 %r
+}