diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll b/llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll new file mode 100644 index 00000000000..b91536eadec --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll @@ -0,0 +1,29 @@ +; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX900 %s +; RUN: llc -march=amdgcn -mcpu=gfx908 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX908 %s + +; GCN-LABEL: {{^}}global_atomic_fadd_ret_f32: +; GCN: [[LOOP:BB[0-9]+_[0-9]+]] +; GCN: v_add_f32_e32 +; GCN: global_atomic_cmpswap +; GCN: s_andn2_b64 exec, exec, +; GCN-NEXT: s_cbranch_execnz [[LOOP]] +define amdgpu_kernel void @global_atomic_fadd_ret_f32(float addrspace(1)* %ptr) { + %result = atomicrmw fadd float addrspace(1)* %ptr, float 4.0 seq_cst + store float %result, float addrspace(1)* undef + ret void +} + +; GCN-LABEL: {{^}}global_atomic_fadd_noret_f32: +; GFX900: [[LOOP:BB[0-9]+_[0-9]+]] +; GFX900: v_add_f32_e32 +; GFX900: global_atomic_cmpswap +; GFX900: s_andn2_b64 exec, exec, +; GFX900-NEXT: s_cbranch_execnz [[LOOP]] + +; GFX908-NOT: v_add_f32 +; GFX908: global_atomic_add_f32 v{{\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, off +; GFX908-NOT: s_cbranch_execnz +define amdgpu_kernel void @global_atomic_fadd_noret_f32(float addrspace(1)* %ptr) { + %result = atomicrmw fadd float addrspace(1)* %ptr, float 4.0 seq_cst + ret void +} |
