diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SCCP/atomic.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/atomic.ll b/test/Transforms/SCCP/atomic.ll new file mode 100644 index 0000000000..60d4896ec2 --- /dev/null +++ b/test/Transforms/SCCP/atomic.ll @@ -0,0 +1,9 @@ +; RUN: opt < %s -sccp -S | FileCheck %s + +define i1 @test_cmpxchg(i32* %addr, i32 %desired, i32 %new) { +; CHECK-LABEL: @test_cmpxchg +; CHECK: cmpxchg i32* %addr, i32 %desired, i32 %new seq_cst seq_cst + %val = cmpxchg i32* %addr, i32 %desired, i32 %new seq_cst seq_cst + %res = extractvalue { i32, i1 } %val, 1 + ret i1 %res +} |