source: icGREP/icgrep-devel/llvm-3.6.1.src/test/CodeGen/R600/llvm.AMDGPU.rsq.ll @ 4664

Last change on this file since 4664 was 4664, checked in by cameron, 4 years ago

Upgrade LLVM to 3.6.1

File size: 1.3 KB
Line 
1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
4
5declare float @llvm.AMDGPU.rsq.f32(float) nounwind readnone
6
7; FUNC-LABEL: {{^}}rsq_f32:
8; SI: v_rsq_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
9; EG: RECIPSQRT_IEEE
10define void @rsq_f32(float addrspace(1)* %out, float %src) nounwind {
11  %rsq = call float @llvm.AMDGPU.rsq.f32(float %src) nounwind readnone
12  store float %rsq, float addrspace(1)* %out, align 4
13  ret void
14}
15
16; TODO: Really these should be constant folded
17; FUNC-LABEL: {{^}}rsq_f32_constant_4.0
18; SI: v_rsq_f32_e32 {{v[0-9]+}}, 4.0
19; EG: RECIPSQRT_IEEE
20define void @rsq_f32_constant_4.0(float addrspace(1)* %out) nounwind {
21  %rsq = call float @llvm.AMDGPU.rsq.f32(float 4.0) nounwind readnone
22  store float %rsq, float addrspace(1)* %out, align 4
23  ret void
24}
25
26; FUNC-LABEL: {{^}}rsq_f32_constant_100.0
27; SI: v_rsq_f32_e32 {{v[0-9]+}}, 0x42c80000
28; EG: RECIPSQRT_IEEE
29define void @rsq_f32_constant_100.0(float addrspace(1)* %out) nounwind {
30  %rsq = call float @llvm.AMDGPU.rsq.f32(float 100.0) nounwind readnone
31  store float %rsq, float addrspace(1)* %out, align 4
32  ret void
33}
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