diff options
Diffstat (limited to 'llvm/test/CodeGen/Thumb/2012-04-26-M0ISelBug.ll')
| -rw-r--r-- | llvm/test/CodeGen/Thumb/2012-04-26-M0ISelBug.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Thumb/2012-04-26-M0ISelBug.ll b/llvm/test/CodeGen/Thumb/2012-04-26-M0ISelBug.ll new file mode 100644 index 00000000000..0ab5eaeefdf --- /dev/null +++ b/llvm/test/CodeGen/Thumb/2012-04-26-M0ISelBug.ll @@ -0,0 +1,12 @@ +; RUN: llc -mtriple=thumbv6-apple-ios -mcpu=cortex-m0 < %s | FileCheck %s +; Cortex-M0 doesn't have 32-bit Thumb2 instructions (except for dmb, mrs, etc.) +; rdar://11331541 + +define i32 @t(i32 %a) nounwind { +; CHECK: t: +; CHECK: asrs r1, r0, #31 +; CHECK: eors r1, r0 + %tmp0 = ashr i32 %a, 31 + %tmp1 = xor i32 %tmp0, %a + ret i32 %tmp1 +} |
