1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s 3 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s 4 5 6 ; DAGCombiner will transform: 7 ; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF)) 8 ; unless isFabsFree returns true 9 10 ; FUNC-LABEL: {{^}}fabs_fn_free: 11 ; R600-NOT: AND 12 ; R600: |PV.{{[XYZW]}}| 13 14 ; GCN: v_and_b32 15 16 define void @fabs_fn_free(float addrspace(1)* %out, i32 %in) { 17 %bc= bitcast i32 %in to float 18 %fabs = call float @fabs(float %bc) 19 store float %fabs, float addrspace(1)* %out 20 ret void 21 } 22 23 ; FUNC-LABEL: {{^}}fabs_free: 24 ; R600-NOT: AND 25 ; R600: |PV.{{[XYZW]}}| 26 27 ; GCN: v_and_b32 28 29 define void @fabs_free(float addrspace(1)* %out, i32 %in) { 30 %bc= bitcast i32 %in to float 31 %fabs = call float @llvm.fabs.f32(float %bc) 32 store float %fabs, float addrspace(1)* %out 33 ret void 34 } 35 36 ; FUNC-LABEL: {{^}}fabs_f32: 37 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 38 39 ; GCN: v_and_b32 40 define void @fabs_f32(float addrspace(1)* %out, float %in) { 41 %fabs = call float @llvm.fabs.f32(float %in) 42 store float %fabs, float addrspace(1)* %out 43 ret void 44 } 45 46 ; FUNC-LABEL: {{^}}fabs_v2f32: 47 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 48 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 49 50 ; GCN: v_and_b32 51 ; GCN: v_and_b32 52 define void @fabs_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) { 53 %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in) 54 store <2 x float> %fabs, <2 x float> addrspace(1)* %out 55 ret void 56 } 57 58 ; FUNC-LABEL: {{^}}fabs_v4f32: 59 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 60 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 61 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 62 ; R600: |{{(PV|T[0-9])\.[XYZW]}}| 63 64 ; GCN: v_and_b32 65 ; GCN: v_and_b32 66 ; GCN: v_and_b32 67 ; GCN: v_and_b32 68 define void @fabs_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) { 69 %fabs = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in) 70 store <4 x float> %fabs, <4 x float> addrspace(1)* %out 71 ret void 72 } 73 74 ; GCN-LABEL: {{^}}fabs_fn_fold: 75 ; SI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb 76 ; VI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x2c 77 ; GCN-NOT: and 78 ; GCN: v_mul_f32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}} 79 define void @fabs_fn_fold(float addrspace(1)* %out, float %in0, float %in1) { 80 %fabs = call float @fabs(float %in0) 81 %fmul = fmul float %fabs, %in1 82 store float %fmul, float addrspace(1)* %out 83 ret void 84 } 85 86 ; GCN-LABEL: {{^}}fabs_fold: 87 ; SI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb 88 ; VI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x2c 89 ; GCN-NOT: and 90 ; GCN: v_mul_f32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}} 91 define void @fabs_fold(float addrspace(1)* %out, float %in0, float %in1) { 92 %fabs = call float @llvm.fabs.f32(float %in0) 93 %fmul = fmul float %fabs, %in1 94 store float %fmul, float addrspace(1)* %out 95 ret void 96 } 97 98 declare float @fabs(float) readnone 99 declare float @llvm.fabs.f32(float) readnone 100 declare <2 x float> @llvm.fabs.v2f32(<2 x float>) readnone 101 declare <4 x float> @llvm.fabs.v4f32(<4 x float>) readnone 102
