1; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 2; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 3; RUN: llc -amdgpu-scalarize-global-loads=false -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s 4 5; FUNC-LABEL: {{^}}fneg_fabs_fadd_f32: 6; SI-NOT: and 7; SI: v_sub_f32_e64 {{v[0-9]+}}, {{v[0-9]+}}, |{{s[0-9]+}}| 8define amdgpu_kernel void @fneg_fabs_fadd_f32(float addrspace(1)* %out, float %x, float %y) { 9 %fabs = call float @llvm.fabs.f32(float %x) 10 %fsub = fsub float -0.000000e+00, %fabs 11 %fadd = fadd float %y, %fsub 12 store float %fadd, float addrspace(1)* %out, align 4 13 ret void 14} 15 16; FUNC-LABEL: {{^}}fneg_fabs_fmul_f32: 17; SI-NOT: and 18; SI: v_mul_f32_e64 {{v[0-9]+}}, {{v[0-9]+}}, -|{{s[0-9]+}}| 19; SI-NOT: and 20define amdgpu_kernel void @fneg_fabs_fmul_f32(float addrspace(1)* %out, float %x, float %y) { 21 %fabs = call float @llvm.fabs.f32(float %x) 22 %fsub = fsub float -0.000000e+00, %fabs 23 %fmul = fmul float %y, %fsub 24 store float %fmul, float addrspace(1)* %out, align 4 25 ret void 26} 27 28; DAGCombiner will transform: 29; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF)) 30; unless isFabsFree returns true 31 32; FUNC-LABEL: {{^}}fneg_fabs_free_f32: 33; R600-NOT: AND 34; R600: |PV.{{[XYZW]}}| 35; R600: -PV 36 37; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000 38define amdgpu_kernel void @fneg_fabs_free_f32(float addrspace(1)* %out, i32 %in) { 39 %bc = bitcast i32 %in to float 40 %fabs = call float @llvm.fabs.f32(float %bc) 41 %fsub = fsub float -0.000000e+00, %fabs 42 store float %fsub, float addrspace(1)* %out 43 ret void 44} 45 46; FUNC-LABEL: {{^}}fneg_fabs_fn_free_f32: 47; R600-NOT: AND 48; R600: |PV.{{[XYZW]}}| 49; R600: -PV 50 51; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000 52define amdgpu_kernel void @fneg_fabs_fn_free_f32(float addrspace(1)* %out, i32 %in) { 53 %bc = bitcast i32 %in to float 54 %fabs = call float @fabs(float %bc) 55 %fsub = fsub float -0.000000e+00, %fabs 56 store float %fsub, float addrspace(1)* %out 57 ret void 58} 59 60; FUNC-LABEL: {{^}}fneg_fabs_f32: 61; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000 62define amdgpu_kernel void @fneg_fabs_f32(float addrspace(1)* %out, float %in) { 63 %fabs = call float @llvm.fabs.f32(float %in) 64 %fsub = fsub float -0.000000e+00, %fabs 65 store float %fsub, float addrspace(1)* %out, align 4 66 ret void 67} 68 69; FUNC-LABEL: {{^}}v_fneg_fabs_f32: 70; SI: v_or_b32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}} 71define amdgpu_kernel void @v_fneg_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) { 72 %val = load float, float addrspace(1)* %in, align 4 73 %fabs = call float @llvm.fabs.f32(float %val) 74 %fsub = fsub float -0.000000e+00, %fabs 75 store float %fsub, float addrspace(1)* %out, align 4 76 ret void 77} 78 79; FUNC-LABEL: {{^}}fneg_fabs_v2f32: 80; R600: |{{(PV|T[0-9])\.[XYZW]}}| 81; R600: -PV 82; R600: |{{(PV|T[0-9])\.[XYZW]}}| 83; R600: -PV 84 85; FIXME: In this case two uses of the constant should be folded 86; SI: s_brev_b32 [[SIGNBITK:s[0-9]+]], 1{{$}} 87; SI: v_or_b32_e32 v{{[0-9]+}}, [[SIGNBITK]], v{{[0-9]+}} 88; SI: v_or_b32_e32 v{{[0-9]+}}, [[SIGNBITK]], v{{[0-9]+}} 89define amdgpu_kernel void @fneg_fabs_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) { 90 %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in) 91 %fsub = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %fabs 92 store <2 x float> %fsub, <2 x float> addrspace(1)* %out 93 ret void 94} 95 96; FUNC-LABEL: {{^}}fneg_fabs_v4f32: 97; SI: s_brev_b32 [[SIGNBITK:s[0-9]+]], 1{{$}} 98; SI: v_or_b32_e32 v{{[0-9]+}}, [[SIGNBITK]], v{{[0-9]+}} 99; SI: v_or_b32_e32 v{{[0-9]+}}, [[SIGNBITK]], v{{[0-9]+}} 100; SI: v_or_b32_e32 v{{[0-9]+}}, [[SIGNBITK]], v{{[0-9]+}} 101; SI: v_or_b32_e32 v{{[0-9]+}}, [[SIGNBITK]], v{{[0-9]+}} 102define amdgpu_kernel void @fneg_fabs_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) { 103 %fabs = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in) 104 %fsub = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %fabs 105 store <4 x float> %fsub, <4 x float> addrspace(1)* %out 106 ret void 107} 108 109declare float @fabs(float) readnone 110declare float @llvm.fabs.f32(float) readnone 111declare <2 x float> @llvm.fabs.v2f32(<2 x float>) readnone 112declare <4 x float> @llvm.fabs.v4f32(<4 x float>) readnone 113