diff options
Diffstat (limited to 'test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll')
| -rw-r--r-- | test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll b/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll new file mode 100644 index 0000000..3ccbc2f --- /dev/null +++ b/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll @@ -0,0 +1,16 @@ +; RUN: opt -gvn -S < %s | FileCheck %s + +declare i8 @llvm.atomic.load.add.i8.p0i8(i8*, i8) + +define void @foo(i8* %ptr) { + %P = getelementptr i8* %ptr, i32 0 + %Q = getelementptr i8* %ptr, i32 1 +; CHECK: getelementptr + %X = load i8* %P +; CHECK: = load + %Y = call i8 @llvm.atomic.load.add.i8.p0i8(i8* %Q, i8 1) + %Z = load i8* %P +; CHECK-NOT: = load + ret void +; CHECK: ret void +} |
