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view llvm/test/CodeGen/AMDGPU/fneg-fabs.ll @ 223:5f17cb93ff66 llvm-original
LLVM13 (2021/7/18)
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 18 Jul 2021 22:43:00 +0900 |
parents | 79ff65ed7e25 |
children | c4bab56944e8 |
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -verify-machineinstrs < %s | FileCheck --check-prefixes=SI,FUNC %s ; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck --check-prefixes=VI,FUNC %s ; RUN: llc -amdgpu-scalarize-global-loads=false -march=r600 -mcpu=redwood < %s | FileCheck --check-prefixes=R600,FUNC %s ; FUNC-LABEL: {{^}}fneg_fabs_fadd_f32: ; SI-NOT: and ; SI: v_sub_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, |{{v[0-9]+}}| define amdgpu_kernel void @fneg_fabs_fadd_f32(float addrspace(1)* %out, float %x, float %y) { %fabs = call float @llvm.fabs.f32(float %x) %fsub = fsub float -0.000000e+00, %fabs %fadd = fadd float %y, %fsub store float %fadd, float addrspace(1)* %out, align 4 ret void } ; FUNC-LABEL: {{^}}fneg_fabs_fmul_f32: ; SI-NOT: and ; SI: v_mul_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, -|{{v[0-9]+}}| ; SI-NOT: and define amdgpu_kernel void @fneg_fabs_fmul_f32(float addrspace(1)* %out, float %x, float %y) { %fabs = call float @llvm.fabs.f32(float %x) %fsub = fsub float -0.000000e+00, %fabs %fmul = fmul float %y, %fsub store float %fmul, float addrspace(1)* %out, align 4 ret void } ; DAGCombiner will transform: ; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF)) ; unless isFabsFree returns true ; FUNC-LABEL: {{^}}fneg_fabs_free_f32: ; R600-NOT: AND ; R600: |PV.{{[XYZW]}}| ; R600: -PV ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000 ; VI: s_bitset1_b32 s{{[0-9]+}}, 31 define amdgpu_kernel void @fneg_fabs_free_f32(float addrspace(1)* %out, i32 %in) { %bc = bitcast i32 %in to float %fabs = call float @llvm.fabs.f32(float %bc) %fsub = fsub float -0.000000e+00, %fabs store float %fsub, float addrspace(1)* %out ret void } ; FUNC-LABEL: {{^}}fneg_fabs_fn_free_f32: ; R600-NOT: AND ; R600: |PV.{{[XYZW]}}| ; R600: -PV ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000 define amdgpu_kernel void @fneg_fabs_fn_free_f32(float addrspace(1)* %out, i32 %in) { %bc = bitcast i32 %in to float %fabs = call float @fabs(float %bc) %fsub = fsub float -0.000000e+00, %fabs store float %fsub, float addrspace(1)* %out ret void } ; FUNC-LABEL: {{^}}fneg_fabs_f32: ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000 define amdgpu_kernel void @fneg_fabs_f32(float addrspace(1)* %out, float %in) { %fabs = call float @llvm.fabs.f32(float %in) %fsub = fsub float -0.000000e+00, %fabs store float %fsub, float addrspace(1)* %out, align 4 ret void } ; FUNC-LABEL: {{^}}v_fneg_fabs_f32: ; SI: v_or_b32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}} define amdgpu_kernel void @v_fneg_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) { %val = load float, float addrspace(1)* %in, align 4 %fabs = call float @llvm.fabs.f32(float %val) %fsub = fsub float -0.000000e+00, %fabs store float %fsub, float addrspace(1)* %out, align 4 ret void } ; FUNC-LABEL: {{^}}fneg_fabs_v2f32: ; R600: |{{(PV|T[0-9])\.[XYZW]}}| ; R600: -PV ; R600: |{{(PV|T[0-9])\.[XYZW]}}| ; R600: -PV ; FIXME: In this case two uses of the constant should be folded ; SI: s_brev_b32 [[SIGNBITK:s[0-9]+]], 1{{$}} ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, [[SIGNBITK]] ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, [[SIGNBITK]] define amdgpu_kernel void @fneg_fabs_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) { %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in) %fsub = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %fabs store <2 x float> %fsub, <2 x float> addrspace(1)* %out ret void } ; FUNC-LABEL: {{^}}fneg_fabs_v4f32: ; SI: s_brev_b32 [[SIGNBITK:s[0-9]+]], 1{{$}} ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, [[SIGNBITK]] ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, [[SIGNBITK]] ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, [[SIGNBITK]] ; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, [[SIGNBITK]] define amdgpu_kernel void @fneg_fabs_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) { %fabs = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in) %fsub = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %fabs store <4 x float> %fsub, <4 x float> addrspace(1)* %out ret void } declare float @fabs(float) readnone declare float @llvm.fabs.f32(float) readnone declare <2 x float> @llvm.fabs.v2f32(<2 x float>) readnone declare <4 x float> @llvm.fabs.v4f32(<4 x float>) readnone