diff options
Diffstat (limited to 'test/CodeGen/X86/atomic_op.ll')
| -rw-r--r-- | test/CodeGen/X86/atomic_op.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atomic_op.ll b/test/CodeGen/X86/atomic_op.ll index 677941bc60..72ff97194d 100644 --- a/test/CodeGen/X86/atomic_op.ll +++ b/test/CodeGen/X86/atomic_op.ll @@ -109,6 +109,17 @@ entry: ret void } +define void @test2(i32 addrspace(256)* nocapture %P) nounwind { +entry: +; CHECK: lock +; CEHCK: cmpxchgl %{{.*}}, %gs:(%{{.*}}) + + %0 = tail call i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)* %P, i32 0, i32 1) + ret void +} + +declare i32 @llvm.atomic.cmp.swap.i32.p256i32(i32 addrspace(256)* nocapture, i32, i32) nounwind + declare i32 @llvm.atomic.load.add.i32.p0i32(i32*, i32) nounwind declare i32 @llvm.atomic.load.sub.i32.p0i32(i32*, i32) nounwind |