1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s 2 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s 3 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s 4 ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 5 6 declare float @llvm.fabs.f32(float %Val) 7 declare float @llvm.AMDGPU.fract.f32(float) nounwind readnone 8 9 ; Legacy name 10 declare float @llvm.AMDIL.fraction.f32(float) nounwind readnone 11 12 ; FUNC-LABEL: {{^}}fract_f32: 13 ; CI: v_fract_f32_e32 [[RESULT:v[0-9]+]], [[INPUT:v[0-9]+]] 14 ; SI: v_floor_f32_e32 [[FLR:v[0-9]+]], [[INPUT:v[0-9]+]] 15 ; SI: v_subrev_f32_e32 [[RESULT:v[0-9]+]], [[FLR]], [[INPUT]] 16 ; GCN: buffer_store_dword [[RESULT]] 17 ; EG: FRACT 18 define void @fract_f32(float addrspace(1)* %out, float addrspace(1)* %src) nounwind { 19 %val = load float, float addrspace(1)* %src, align 4 20 %fract = call float @llvm.AMDGPU.fract.f32(float %val) nounwind readnone 21 store float %fract, float addrspace(1)* %out, align 4 22 ret void 23 } 24 25 ; FUNC-LABEL: {{^}}fract_f32_legacy_amdil: 26 ; CI: v_fract_f32_e32 [[RESULT:v[0-9]+]], [[INPUT:v[0-9]+]] 27 ; SI: v_floor_f32_e32 [[FLR:v[0-9]+]], [[INPUT:v[0-9]+]] 28 ; SI: v_subrev_f32_e32 [[RESULT:v[0-9]+]], [[FLR]], [[INPUT]] 29 ; GCN: buffer_store_dword [[RESULT]] 30 ; EG: FRACT 31 define void @fract_f32_legacy_amdil(float addrspace(1)* %out, float addrspace(1)* %src) nounwind { 32 %val = load float, float addrspace(1)* %src, align 4 33 %fract = call float @llvm.AMDIL.fraction.f32(float %val) nounwind readnone 34 store float %fract, float addrspace(1)* %out, align 4 35 ret void 36 } 37 38 ; FUNC-LABEL: {{^}}fract_f32_neg: 39 ; CI: v_fract_f32_e64 [[RESULT:v[0-9]+]], -[[INPUT:v[0-9]+]] 40 ; SI: v_floor_f32_e64 [[FLR:v[0-9]+]], -[[INPUT:v[0-9]+]] 41 ; SI: v_sub_f32_e64 [[RESULT:v[0-9]+]], -[[INPUT]], [[FLR]] 42 ; GCN: buffer_store_dword [[RESULT]] 43 ; EG: FRACT 44 define void @fract_f32_neg(float addrspace(1)* %out, float addrspace(1)* %src) nounwind { 45 %val = load float, float addrspace(1)* %src, align 4 46 %neg = fsub float 0.0, %val 47 %fract = call float @llvm.AMDGPU.fract.f32(float %neg) nounwind readnone 48 store float %fract, float addrspace(1)* %out, align 4 49 ret void 50 } 51 52 ; FUNC-LABEL: {{^}}fract_f32_neg_abs: 53 ; CI: v_fract_f32_e64 [[RESULT:v[0-9]+]], -|[[INPUT:v[0-9]+]]| 54 ; SI: v_floor_f32_e64 [[FLR:v[0-9]+]], -|[[INPUT:v[0-9]+]]| 55 ; SI: v_sub_f32_e64 [[RESULT:v[0-9]+]], -|[[INPUT]]|, [[FLR]] 56 ; GCN: buffer_store_dword [[RESULT]] 57 ; EG: FRACT 58 define void @fract_f32_neg_abs(float addrspace(1)* %out, float addrspace(1)* %src) nounwind { 59 %val = load float, float addrspace(1)* %src, align 4 60 %abs = call float @llvm.fabs.f32(float %val) 61 %neg = fsub float 0.0, %abs 62 %fract = call float @llvm.AMDGPU.fract.f32(float %neg) nounwind readnone 63 store float %fract, float addrspace(1)* %out, align 4 64 ret void 65 } 66
