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https://github.com/RPCS3/llvm-mirror.git
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58f63f7a9c
Differential revision: https://reviews.llvm.org/D51734 Reviewers: rampitec llvm-svn: 341928
182 lines
8.6 KiB
LLVM
182 lines
8.6 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare i32 @llvm.amdgcn.workitem.id.x() #1
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declare float @llvm.fabs.f32(float) #1
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declare float @llvm.fma.f32(float, float, float) nounwind readnone
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; FUNC-LABEL: @commute_add_imm_fabs_f32
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; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI: v_add_f32_e64 [[REG:v[0-9]+]], |[[X]]|, 2.0
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_add_imm_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%x = load float, float addrspace(1)* %gep.0
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%x.fabs = call float @llvm.fabs.f32(float %x) #1
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%z = fadd float 2.0, %x.fabs
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @commute_mul_imm_fneg_fabs_f32
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; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI: v_mul_f32_e64 [[REG:v[0-9]+]], |[[X]]|, -4.0
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_mul_imm_fneg_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%x = load float, float addrspace(1)* %gep.0
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%x.fabs = call float @llvm.fabs.f32(float %x) #1
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%x.fneg.fabs = fsub float -0.000000e+00, %x.fabs
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%z = fmul float 4.0, %x.fneg.fabs
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @commute_mul_imm_fneg_f32
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; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI: v_mul_f32_e32 [[REG:v[0-9]+]], -4.0, [[X]]
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_mul_imm_fneg_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%x = load float, float addrspace(1)* %gep.0
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%x.fneg = fsub float -0.000000e+00, %x
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%z = fmul float 4.0, %x.fneg
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FIXME: Should use SGPR for literal.
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; FUNC-LABEL: @commute_add_lit_fabs_f32
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; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI: s_mov_b32 [[K:s[0-9]+]], 0x44800000
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; SI: v_add_f32_e64 [[REG:v[0-9]+]], |[[X]]|, [[K]]
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_add_lit_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%x = load float, float addrspace(1)* %gep.0
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%x.fabs = call float @llvm.fabs.f32(float %x) #1
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%z = fadd float 1024.0, %x.fabs
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @commute_add_fabs_f32
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; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_add_f32_e64 [[REG:v[0-9]+]], [[X]], |[[Y]]|
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_add_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%x = load volatile float, float addrspace(1)* %gep.0
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%y = load volatile float, float addrspace(1)* %gep.1
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%y.fabs = call float @llvm.fabs.f32(float %y) #1
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%z = fadd float %x, %y.fabs
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @commute_mul_fneg_f32
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; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_mul_f32_e64 [[REG:v[0-9]+]], [[X]], -[[Y]]
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_mul_fneg_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%x = load volatile float, float addrspace(1)* %gep.0
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%y = load volatile float, float addrspace(1)* %gep.1
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%y.fneg = fsub float -0.000000e+00, %y
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%z = fmul float %x, %y.fneg
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @commute_mul_fabs_fneg_f32
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; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_mul_f32_e64 [[REG:v[0-9]+]], [[X]], -|[[Y]]|
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_mul_fabs_fneg_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%x = load volatile float, float addrspace(1)* %gep.0
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%y = load volatile float, float addrspace(1)* %gep.1
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%y.fabs = call float @llvm.fabs.f32(float %y) #1
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%y.fabs.fneg = fsub float -0.000000e+00, %y.fabs
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%z = fmul float %x, %y.fabs.fneg
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store float %z, float addrspace(1)* %out
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ret void
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}
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; There's no reason to commute this.
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; FUNC-LABEL: @commute_mul_fabs_x_fabs_y_f32
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; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_mul_f32_e64 [[REG:v[0-9]+]], |[[X]]|, |[[Y]]|
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_mul_fabs_x_fabs_y_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%x = load volatile float, float addrspace(1)* %gep.0
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%y = load volatile float, float addrspace(1)* %gep.1
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%x.fabs = call float @llvm.fabs.f32(float %x) #1
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%y.fabs = call float @llvm.fabs.f32(float %y) #1
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%z = fmul float %x.fabs, %y.fabs
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store float %z, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @commute_mul_fabs_x_fneg_fabs_y_f32
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; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_mul_f32_e64 [[REG:v[0-9]+]], |[[X]]|, -|[[Y]]|
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; SI: buffer_store_dword [[REG]]
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define amdgpu_kernel void @commute_mul_fabs_x_fneg_fabs_y_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%x = load volatile float, float addrspace(1)* %gep.0
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%y = load volatile float, float addrspace(1)* %gep.1
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%x.fabs = call float @llvm.fabs.f32(float %x) #1
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%y.fabs = call float @llvm.fabs.f32(float %y) #1
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%y.fabs.fneg = fsub float -0.000000e+00, %y.fabs
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%z = fmul float %x.fabs, %y.fabs.fneg
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store float %z, float addrspace(1)* %out
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ret void
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}
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; Make sure we commute the multiply part for the constant in src0 even
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; though we have negate modifier on src2.
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; SI-LABEL: {{^}}fma_a_2.0_neg_b_f32
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; SI-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_fma_f32 [[RESULT:v[0-9]+]], [[R1]], 2.0, |[[R2]]|
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; SI: buffer_store_dword [[RESULT]]
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define amdgpu_kernel void @fma_a_2.0_neg_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
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%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
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%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
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%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
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%r1 = load volatile float, float addrspace(1)* %gep.0
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%r2 = load volatile float, float addrspace(1)* %gep.1
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%r2.fabs = call float @llvm.fabs.f32(float %r2)
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%r3 = tail call float @llvm.fma.f32(float %r1, float 2.0, float %r2.fabs)
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store float %r3, float addrspace(1)* %gep.out
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ret void
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}
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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