1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK 2 ; RUN: llc < %s -march=r600 -mcpu=SI | 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: @fabs_free 9 ; R600-CHECK-NOT: AND 10 ; R600-CHECK: |PV.{{[XYZW]}}| 11 ; SI-CHECK: @fabs_free 12 ; SI-CHECK: V_ADD_F32_e64 VGPR{{[0-9]}}, SGPR{{[0-9]}}, 0, 1, 0, 0, 0 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 declare float @fabs(float ) readnone 23
