diff options
Diffstat (limited to 'test/Transforms/LowerAtomic/atomic-swap.ll')
| -rw-r--r-- | test/Transforms/LowerAtomic/atomic-swap.ll | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/test/Transforms/LowerAtomic/atomic-swap.ll b/test/Transforms/LowerAtomic/atomic-swap.ll index c319834b62..cb1124136f 100644 --- a/test/Transforms/LowerAtomic/atomic-swap.ll +++ b/test/Transforms/LowerAtomic/atomic-swap.ll @@ -3,15 +3,20 @@ define i8 @cmpswap() { ; CHECK-LABEL: @cmpswap( %i = alloca i8 - %j = cmpxchg i8* %i, i8 0, i8 42 monotonic monotonic -; CHECK: [[INST:%[a-z0-9]+]] = load -; CHECK-NEXT: icmp -; CHECK-NEXT: select -; CHECK-NEXT: store + %pair = cmpxchg i8* %i, i8 0, i8 42 monotonic monotonic + %j = extractvalue { i8, i1 } %pair, 0 +; CHECK: [[OLDVAL:%[a-z0-9]+]] = load i8* [[ADDR:%[a-z0-9]+]] +; CHECK-NEXT: [[SAME:%[a-z0-9]+]] = icmp eq i8 [[OLDVAL]], 0 +; CHECK-NEXT: [[TO_STORE:%[a-z0-9]+]] = select i1 [[SAME]], i8 42, i8 [[OLDVAL]] +; CHECK-NEXT: store i8 [[TO_STORE]], i8* [[ADDR]] +; CHECK-NEXT: [[TMP:%[a-z0-9]+]] = insertvalue { i8, i1 } undef, i8 [[OLDVAL]], 0 +; CHECK-NEXT: [[RES:%[a-z0-9]+]] = insertvalue { i8, i1 } [[TMP]], i1 [[SAME]], 1 +; CHECK-NEXT: [[VAL:%[a-z0-9]+]] = extractvalue { i8, i1 } [[RES]], 0 ret i8 %j -; CHECK: ret i8 [[INST]] +; CHECK: ret i8 [[VAL]] } + define i8 @swap() { ; CHECK-LABEL: @swap( %i = alloca i8 |