diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/rcp-pattern.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/rcp-pattern.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll b/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll index b7cc6d47cd8..0aa11f2540f 100644 --- a/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll +++ b/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll @@ -117,6 +117,35 @@ define void @rcp_fabs_fneg_pat_multi_use_f32(float addrspace(1)* %out, float %sr ret void } +; FUNC-LABEL: {{^}}div_arcp_2_x_pat_f32: +; GCN: v_mul_f32_e32 [[MUL:v[0-9]+]], 0.5, v{{[0-9]+}} +; GCN: buffer_store_dword [[MUL]] +define void @div_arcp_2_x_pat_f32(float addrspace(1)* %out) #0 { + %x = load float, float addrspace(1)* undef + %rcp = fdiv arcp float %x, 2.0 + store float %rcp, float addrspace(1)* %out, align 4 + ret void +} + +; FUNC-LABEL: {{^}}div_arcp_k_x_pat_f32: +; GCN: v_mul_f32_e32 [[MUL:v[0-9]+]], 0x3dcccccd, v{{[0-9]+}} +; GCN: buffer_store_dword [[MUL]] +define void @div_arcp_k_x_pat_f32(float addrspace(1)* %out) #0 { + %x = load float, float addrspace(1)* undef + %rcp = fdiv arcp float %x, 10.0 + store float %rcp, float addrspace(1)* %out, align 4 + ret void +} + +; FUNC-LABEL: {{^}}div_arcp_neg_k_x_pat_f32: +; GCN: v_mul_f32_e32 [[MUL:v[0-9]+]], 0xbdcccccd, v{{[0-9]+}} +; GCN: buffer_store_dword [[MUL]] +define void @div_arcp_neg_k_x_pat_f32(float addrspace(1)* %out) #0 { + %x = load float, float addrspace(1)* undef + %rcp = fdiv arcp float %x, -10.0 + store float %rcp, float addrspace(1)* %out, align 4 + ret void +} declare float @llvm.fabs.f32(float) #1 declare float @llvm.sqrt.f32(float) #1 |
