diff options
| author | dim <dim@FreeBSD.org> | 2011-02-20 12:57:14 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-02-20 12:57:14 +0000 |
| commit | cbb70ce070d220642b038ea101d9c0f9fbf860d6 (patch) | |
| tree | d2b61ce94e654cb01a254d2195259db5f9cc3f3c /test/CodeGen/ARM/atomic-cmp.ll | |
| parent | 4ace901e87dac5bbbac78ed325e75462e48e386e (diff) | |
| download | FreeBSD-src-cbb70ce070d220642b038ea101d9c0f9fbf860d6.zip FreeBSD-src-cbb70ce070d220642b038ea101d9c0f9fbf860d6.tar.gz | |
Vendor import of llvm trunk r126079:
http://llvm.org/svn/llvm-project/llvm/trunk@126079
Diffstat (limited to 'test/CodeGen/ARM/atomic-cmp.ll')
| -rw-r--r-- | test/CodeGen/ARM/atomic-cmp.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/atomic-cmp.ll b/test/CodeGen/ARM/atomic-cmp.ll new file mode 100644 index 0000000..f31aa7b --- /dev/null +++ b/test/CodeGen/ARM/atomic-cmp.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s -check-prefix=ARM +; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s -check-prefix=T2 +; rdar://8964854 + +define i8 @t(i8* %a, i8 %b, i8 %c) nounwind { +; ARM: t: +; ARM: ldrexb +; ARM: strexb + +; T2: t: +; T2: ldrexb +; T2: strexb + %tmp0 = tail call i8 @llvm.atomic.cmp.swap.i8.p0i8(i8* %a, i8 %b, i8 %c) + ret i8 %tmp0 +} + +declare i8 @llvm.atomic.cmp.swap.i8.p0i8(i8* nocapture, i8, i8) nounwind |
