diff options
Diffstat (limited to 'test/Transforms/LowerAtomic/atomic-swap.ll')
| -rw-r--r-- | test/Transforms/LowerAtomic/atomic-swap.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/LowerAtomic/atomic-swap.ll b/test/Transforms/LowerAtomic/atomic-swap.ll new file mode 100644 index 0000000000..0a59c8595e --- /dev/null +++ b/test/Transforms/LowerAtomic/atomic-swap.ll @@ -0,0 +1,26 @@ +; RUN: opt < %s -loweratomic -S | FileCheck %s + +declare i8 @llvm.atomic.cmp.swap.i8.p0i8(i8* %ptr, i8 %cmp, i8 %val) +declare i8 @llvm.atomic.swap.i8.p0i8(i8* %ptr, i8 %val) + +define i8 @cmpswap() { +; CHECK: @cmpswap + %i = alloca i8 + %j = call i8 @llvm.atomic.cmp.swap.i8.p0i8(i8* %i, i8 0, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: icmp +; CHECK-NEXT: select +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} + +define i8 @swap() { +; CHECK: @swap + %i = alloca i8 + %j = call i8 @llvm.atomic.swap.i8.p0i8(i8* %i, i8 42) +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: store + ret i8 %j +; CHECK: ret i8 [[INST]] +} |