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https://github.com/c64scene-ar/llvm-6502.git
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1f996fa36b
This is equivalent to the AMDGPUTargetMachine now, but it is the starting point for separating R600 and GCN functionality into separate targets. It is recommened that users start using the gcn triple for GCN-based GPUs, because using the r600 triple for these GPUs will be deprecated in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225277 91177308-0d34-0410-b5e6-96231b3b80d8
118 lines
4.3 KiB
LLVM
118 lines
4.3 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
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; FUNC-LABEL: {{^}}fneg_fabs_fadd_f32:
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; SI-NOT: and
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; SI: v_sub_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, |{{v[0-9]+}}|
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define void @fneg_fabs_fadd_f32(float addrspace(1)* %out, float %x, float %y) {
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%fabs = call float @llvm.fabs.f32(float %x)
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%fsub = fsub float -0.000000e+00, %fabs
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%fadd = fadd float %y, %fsub
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store float %fadd, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}fneg_fabs_fmul_f32:
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; SI-NOT: and
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; SI: v_mul_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, -|{{v[0-9]+}}|
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; SI-NOT: and
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define void @fneg_fabs_fmul_f32(float addrspace(1)* %out, float %x, float %y) {
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%fabs = call float @llvm.fabs.f32(float %x)
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%fsub = fsub float -0.000000e+00, %fabs
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%fmul = fmul float %y, %fsub
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store float %fmul, float addrspace(1)* %out, align 4
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ret void
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}
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; DAGCombiner will transform:
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; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF))
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; unless isFabsFree returns true
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; FUNC-LABEL: {{^}}fneg_fabs_free_f32:
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; R600-NOT: AND
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; R600: |PV.{{[XYZW]}}|
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; R600: -PV
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; SI: v_mov_b32_e32 [[IMMREG:v[0-9]+]], 0x80000000
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; SI: v_or_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}, [[IMMREG]]
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define void @fneg_fabs_free_f32(float addrspace(1)* %out, i32 %in) {
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%bc = bitcast i32 %in to float
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%fabs = call float @llvm.fabs.f32(float %bc)
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%fsub = fsub float -0.000000e+00, %fabs
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store float %fsub, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}fneg_fabs_fn_free_f32:
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; R600-NOT: AND
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; R600: |PV.{{[XYZW]}}|
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; R600: -PV
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; SI: v_mov_b32_e32 [[IMMREG:v[0-9]+]], 0x80000000
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; SI: v_or_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}, [[IMMREG]]
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define void @fneg_fabs_fn_free_f32(float addrspace(1)* %out, i32 %in) {
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%bc = bitcast i32 %in to float
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%fabs = call float @fabs(float %bc)
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%fsub = fsub float -0.000000e+00, %fabs
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store float %fsub, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}fneg_fabs_f32:
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; SI: v_mov_b32_e32 [[IMMREG:v[0-9]+]], 0x80000000
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; SI: v_or_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}, [[IMMREG]]
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define void @fneg_fabs_f32(float addrspace(1)* %out, float %in) {
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%fabs = call float @llvm.fabs.f32(float %in)
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%fsub = fsub float -0.000000e+00, %fabs
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store float %fsub, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}v_fneg_fabs_f32:
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; SI: v_or_b32_e32 v{{[0-9]+}}, 0x80000000, v{{[0-9]+}}
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define void @v_fneg_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
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%val = load float addrspace(1)* %in, align 4
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%fabs = call float @llvm.fabs.f32(float %val)
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%fsub = fsub float -0.000000e+00, %fabs
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store float %fsub, float addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}fneg_fabs_v2f32:
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; R600: |{{(PV|T[0-9])\.[XYZW]}}|
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; R600: -PV
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; R600: |{{(PV|T[0-9])\.[XYZW]}}|
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; R600: -PV
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; FIXME: SGPR should be used directly for first src operand.
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; SI: v_mov_b32_e32 [[IMMREG:v[0-9]+]], 0x80000000
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; SI-NOT: 0x80000000
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; SI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[IMMREG]]
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; SI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[IMMREG]]
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define void @fneg_fabs_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
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%fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in)
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%fsub = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %fabs
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store <2 x float> %fsub, <2 x float> addrspace(1)* %out
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ret void
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}
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; FIXME: SGPR should be used directly for first src operand.
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; FUNC-LABEL: {{^}}fneg_fabs_v4f32:
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; SI: v_mov_b32_e32 [[IMMREG:v[0-9]+]], 0x80000000
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; SI-NOT: 0x80000000
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; SI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[IMMREG]]
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; SI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[IMMREG]]
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; SI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[IMMREG]]
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; SI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[IMMREG]]
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define void @fneg_fabs_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
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%fabs = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in)
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%fsub = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %fabs
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store <4 x float> %fsub, <4 x float> addrspace(1)* %out
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ret void
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}
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declare float @fabs(float) readnone
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declare float @llvm.fabs.f32(float) readnone
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declare <2 x float> @llvm.fabs.v2f32(<2 x float>) readnone
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declare <4 x float> @llvm.fabs.v4f32(<4 x float>) readnone
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