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21c6e6f537
Mesa doesn't use this, and this is pattern matched already from fsub x, (ffloor x) llvm-svn: 258513
59 lines
2.4 KiB
LLVM
59 lines
2.4 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s
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; XUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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declare float @llvm.fabs.f32(float) #0
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declare float @llvm.floor.f32(float) #0
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; FUNC-LABEL: {{^}}fract_f32:
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; CI: v_fract_f32_e32 [[RESULT:v[0-9]+]], [[INPUT:v[0-9]+]]
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; SI: v_floor_f32_e32 [[FLR:v[0-9]+]], [[INPUT:v[0-9]+]]
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; SI: v_subrev_f32_e32 [[RESULT:v[0-9]+]], [[FLR]], [[INPUT]]
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; GCN: buffer_store_dword [[RESULT]]
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; XEG: FRACT
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define void @fract_f32(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
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%x = load float, float addrspace(1)* %src
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%floor.x = call float @llvm.floor.f32(float %x)
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%fract = fsub float %x, %floor.x
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store float %fract, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}fract_f32_neg:
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; CI: v_fract_f32_e64 [[RESULT:v[0-9]+]], -[[INPUT:v[0-9]+]]
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; SI: v_floor_f32_e64 [[FLR:v[0-9]+]], -[[INPUT:v[0-9]+]]
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; SI: v_sub_f32_e64 [[RESULT:v[0-9]+]], -[[INPUT]], [[FLR]]
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; GCN: buffer_store_dword [[RESULT]]
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; XEG: FRACT
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define void @fract_f32_neg(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
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%x = load float, float addrspace(1)* %src
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%x.neg = fsub float -0.0, %x
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%floor.x.neg = call float @llvm.floor.f32(float %x.neg)
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%fract = fsub float %x.neg, %floor.x.neg
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store float %fract, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}fract_f32_neg_abs:
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; CI: v_fract_f32_e64 [[RESULT:v[0-9]+]], -|[[INPUT:v[0-9]+]]|
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; SI: v_floor_f32_e64 [[FLR:v[0-9]+]], -|[[INPUT:v[0-9]+]]|
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; SI: v_sub_f32_e64 [[RESULT:v[0-9]+]], -|[[INPUT]]|, [[FLR]]
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; GCN: buffer_store_dword [[RESULT]]
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; XEG: FRACT
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define void @fract_f32_neg_abs(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
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%x = load float, float addrspace(1)* %src
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%abs.x = call float @llvm.fabs.f32(float %x)
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%neg.abs.x = fsub float -0.0, %abs.x
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%floor.neg.abs.x = call float @llvm.floor.f32(float %neg.abs.x)
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%fract = fsub float %neg.abs.x, %floor.neg.abs.x
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store float %fract, float addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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