1 ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 declare float @llvm.AMDGPU.rcp.f32(float) nounwind readnone
4 declare double @llvm.AMDGPU.rcp.f64(double) nounwind readnone
7 declare float @llvm.sqrt.f32(float) nounwind readnone
8 declare double @llvm.sqrt.f64(double) nounwind readnone
10 ; FUNC-LABEL: @rcp_f32
12 define void @rcp_f32(float addrspace(1)* %out, float %src) nounwind {
13 %rcp = call float @llvm.AMDGPU.rcp.f32(float %src) nounwind readnone
14 store float %rcp, float addrspace(1)* %out, align 4
18 ; FUNC-LABEL: @rcp_f64
20 define void @rcp_f64(double addrspace(1)* %out, double %src) nounwind {
21 %rcp = call double @llvm.AMDGPU.rcp.f64(double %src) nounwind readnone
22 store double %rcp, double addrspace(1)* %out, align 8
26 ; FUNC-LABEL: @rcp_pat_f32
28 define void @rcp_pat_f32(float addrspace(1)* %out, float %src) nounwind {
29 %rcp = fdiv float 1.0, %src
30 store float %rcp, float addrspace(1)* %out, align 4
34 ; FUNC-LABEL: @rcp_pat_f64
36 define void @rcp_pat_f64(double addrspace(1)* %out, double %src) nounwind {
37 %rcp = fdiv double 1.0, %src
38 store double %rcp, double addrspace(1)* %out, align 8
42 ; FUNC-LABEL: @rsq_rcp_pat_f32
44 define void @rsq_rcp_pat_f32(float addrspace(1)* %out, float %src) nounwind {
45 %sqrt = call float @llvm.sqrt.f32(float %src) nounwind readnone
46 %rcp = call float @llvm.AMDGPU.rcp.f32(float %sqrt) nounwind readnone
47 store float %rcp, float addrspace(1)* %out, align 4
51 ; FUNC-LABEL: @rsq_rcp_pat_f64
53 define void @rsq_rcp_pat_f64(double addrspace(1)* %out, double %src) nounwind {
54 %sqrt = call double @llvm.sqrt.f64(double %src) nounwind readnone
55 %rcp = call double @llvm.AMDGPU.rcp.f64(double %sqrt) nounwind readnone
56 store double %rcp, double addrspace(1)* %out, align 8