1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK 2 ; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK 3 4 ; DAGCombiner will transform: 5 ; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF)) 6 ; unless isFabsFree returns true 7 8 ; R600-CHECK-LABEL: @fabs_free 9 ; R600-CHECK-NOT: AND 10 ; R600-CHECK: |PV.{{[XYZW]}}| 11 ; SI-CHECK-LABEL: @fabs_free 12 ; SI-CHECK: V_AND_B32 13 14 define void @fabs_free(float addrspace(1)* %out, i32 %in) { 15 entry: 16 %0 = bitcast i32 %in to float 17 %1 = call float @fabs(float %0) 18 store float %1, float addrspace(1)* %out 19 ret void 20 } 21 22 ; R600-CHECK-LABEL: @fabs_v2 23 ; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}| 24 ; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}| 25 ; SI-CHECK-LABEL: @fabs_v2 26 ; SI-CHECK: V_AND_B32 27 ; SI-CHECK: V_AND_B32 28 define void @fabs_v2(<2 x float> addrspace(1)* %out, <2 x float> %in) { 29 entry: 30 %0 = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in) 31 store <2 x float> %0, <2 x float> addrspace(1)* %out 32 ret void 33 } 34 35 ; R600-CHECK-LABEL: @fabs_v4 36 ; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}| 37 ; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}| 38 ; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}| 39 ; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}| 40 ; SI-CHECK-LABEL: @fabs_v4 41 ; SI-CHECK: V_AND_B32 42 ; SI-CHECK: V_AND_B32 43 ; SI-CHECK: V_AND_B32 44 ; SI-CHECK: V_AND_B32 45 define void @fabs_v4(<4 x float> addrspace(1)* %out, <4 x float> %in) { 46 entry: 47 %0 = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in) 48 store <4 x float> %0, <4 x float> addrspace(1)* %out 49 ret void 50 } 51 52 ; SI-CHECK-LABEL: @fabs_fold 53 ; SI-CHECK-NOT: V_AND_B32_e32 54 ; SI-CHECK: V_MUL_F32_e64 v{{[0-9]+}}, s{{[0-9]+}}, |v{{[0-9]+}}| 55 define void @fabs_fold(float addrspace(1)* %out, float %in0, float %in1) { 56 entry: 57 %0 = call float @fabs(float %in0) 58 %1 = fmul float %0, %in1 59 store float %1, float addrspace(1)* %out 60 ret void 61 } 62 63 declare float @fabs(float ) readnone 64 declare <2 x float> @llvm.fabs.v2f32(<2 x float> ) readnone 65 declare <4 x float> @llvm.fabs.v4f32(<4 x float> ) readnone 66
