diff options
Diffstat (limited to 'llvm/test/CodeGen/X86')
| -rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-atomic.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-atomic.ll b/llvm/test/CodeGen/X86/fast-isel-atomic.ll new file mode 100644 index 00000000000..f8eee9caa6a --- /dev/null +++ b/llvm/test/CodeGen/X86/fast-isel-atomic.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -O0 -march=x86-64 +; rdar://8204072 + +@sc = external global i8 +@uc = external global i8 + +declare i8 @llvm.atomic.load.and.i8.p0i8(i8* nocapture, i8) nounwind + +define void @test_fetch_and_op() nounwind { +entry: + %tmp40 = call i8 @llvm.atomic.load.and.i8.p0i8(i8* @sc, i8 11) ; <i8> [#uses=1] + store i8 %tmp40, i8* @sc + %tmp41 = call i8 @llvm.atomic.load.and.i8.p0i8(i8* @uc, i8 11) ; <i8> [#uses=1] + store i8 %tmp41, i8* @uc + ret void +} |
