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1; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2
3declare float @llvm.AMDGPU.rcp.f32(float) nounwind readnone
4declare double @llvm.AMDGPU.rcp.f64(double) nounwind readnone
5
6
7declare float @llvm.sqrt.f32(float) nounwind readnone
8declare double @llvm.sqrt.f64(double) nounwind readnone
9
10; FUNC-LABEL: @rcp_f32
11; SI: V_RCP_F32_e32
12define 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
15  ret void
16}
17
18; FUNC-LABEL: @rcp_f64
19; SI: V_RCP_F64_e32
20define 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
23  ret void
24}
25
26; FUNC-LABEL: @rcp_pat_f32
27; SI: V_RCP_F32_e32
28define 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
31  ret void
32}
33
34; FUNC-LABEL: @rcp_pat_f64
35; SI: V_RCP_F64_e32
36define 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
39  ret void
40}
41
42; FUNC-LABEL: @rsq_rcp_pat_f32
43; SI: V_RSQ_F32_e32
44define 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
48  ret void
49}
50
51; FUNC-LABEL: @rsq_rcp_pat_f64
52; SI: V_RSQ_F64_e32
53define 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
57  ret void
58}
59