diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/NVPTX/atomics.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/NVPTX/atomics.ll b/llvm/test/CodeGen/NVPTX/atomics.ll index 00e02a7f9b2..daadb6e9c1a 100644 --- a/llvm/test/CodeGen/NVPTX/atomics.ll +++ b/llvm/test/CodeGen/NVPTX/atomics.ll @@ -166,3 +166,17 @@ define float @atomic_add_f32_addrspace3(float addrspace(3)* %addr, float %val) { %ret = call float @llvm.nvvm.atomic.load.add.f32.p3f32(float addrspace(3)* %addr, float %val) ret float %ret } + +; CHECK-LABEL: atomic_cmpxchg_i32 +define i32 @atomic_cmpxchg_i32(i32* %addr, i32 %cmp, i32 %new) { +; CHECK: atom.cas.b32 + %pairold = cmpxchg i32* %addr, i32 %cmp, i32 %new seq_cst seq_cst + ret i32 %new +} + +; CHECK-LABEL: atomic_cmpxchg_i64 +define i64 @atomic_cmpxchg_i64(i64* %addr, i64 %cmp, i64 %new) { +; CHECK: atom.cas.b64 + %pairold = cmpxchg i64* %addr, i64 %cmp, i64 %new seq_cst seq_cst + ret i64 %new +} |
