IR: add "cmpxchg weak" variant to support permitted failure.

[oota-llvm.git] / test / Assembler / atomic.ll

diff --git a/test/Assembler/atomic.ll b/test/Assembler/atomic.ll
index a2ae58e296ef21c97d8cfb1caa3d8c4842a60d65..d7ccd9900bd823f1b8ca742c357353a999deba6d 100644 (file)
--- a/test/Assembler/atomic.ll
+++ b/test/Assembler/atomic.ll
@@ -16,6 +16,8 @@ define void @f(i32* %x) {
   cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
   ; CHECK: cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
   cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
+  ; CHECK: cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
+  cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
   ; CHECK: atomicrmw add i32* %x, i32 10 seq_cst
   atomicrmw add i32* %x, i32 10 seq_cst
   ; CHECK: atomicrmw volatile xchg  i32* %x, i32 10 monotonic