diff options
Diffstat (limited to 'test/Bitcode/weak-cmpxchg-upgrade.ll')
| -rw-r--r-- | test/Bitcode/weak-cmpxchg-upgrade.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Bitcode/weak-cmpxchg-upgrade.ll b/test/Bitcode/weak-cmpxchg-upgrade.ll new file mode 100644 index 0000000..dbcd150 --- /dev/null +++ b/test/Bitcode/weak-cmpxchg-upgrade.ll @@ -0,0 +1,15 @@ +; RUN: llvm-dis < %s.bc | FileCheck %s + +; cmpxchg-upgrade.ll.bc was produced by running a version of llvm-as from just +; before the IR change on this file. + +define i32 @test(i32* %addr, i32 %old, i32 %new) { +; CHECK: [[TMP:%.*]] = cmpxchg i32* %addr, i32 %old, i32 %new seq_cst monotonic +; CHECK: %val = extractvalue { i32, i1 } [[TMP]], 0 + %val = cmpxchg i32* %addr, i32 %old, i32 %new seq_cst monotonic + ret i32 %val +} + +define i32 @test(i32* %addr, i32 %old, i32 %new) { + ret i1 %val +} |