1 ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s 2 3 declare float @llvm.sqrt.f32(float) nounwind readnone 4 declare double @llvm.sqrt.f64(double) nounwind readnone 5 6 ; SI-LABEL: @rsq_f32 7 ; SI: V_RSQ_F32_e32 8 ; SI: S_ENDPGM 9 define 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 20 define 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
