1; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s 2 3declare float @llvm.sqrt.f32(float) nounwind readnone 4declare double @llvm.sqrt.f64(double) nounwind readnone 5 6; SI-LABEL: @rsq_f32 7; SI: V_RSQ_F32_e32 8; SI: S_ENDPGM 9define void @rsq_f32(float addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind { 10 %val = load float addrspace(1)* %in, align 4 11 %sqrt = call float @llvm.sqrt.f32(float %val) nounwind readnone 12 %div = fdiv float 1.0, %sqrt 13 store float %div, float addrspace(1)* %out, align 4 14 ret void 15} 16 17; SI-LABEL: @rsq_f64 18; SI: V_RSQ_F64_e32 19; SI: S_ENDPGM 20define void @rsq_f64(double addrspace(1)* noalias %out, double addrspace(1)* noalias %in) nounwind { 21 %val = load double addrspace(1)* %in, align 4 22 %sqrt = call double @llvm.sqrt.f64(double %val) nounwind readnone 23 %div = fdiv double 1.0, %sqrt 24 store double %div, double addrspace(1)* %out, align 4 25 ret void 26} 27