1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2; RUN: not llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=ERROR %s
3
4; ERROR: error: <unknown>:0:0: in function rcp_legacy_f32 void (float addrspace(1)*, float): intrinsic not supported on subtarget
5
6declare float @llvm.amdgcn.rcp.legacy(float) #0
7
8; GCN-LABEL: {{^}}rcp_legacy_f32:
9; GCN: v_rcp_legacy_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
10define amdgpu_kernel void @rcp_legacy_f32(float addrspace(1)* %out, float %src) #1 {
11  %rcp = call float @llvm.amdgcn.rcp.legacy(float %src) #0
12  store float %rcp, float addrspace(1)* %out, align 4
13  ret void
14}
15
16; TODO: Really these should be constant folded
17; GCN-LABEL: {{^}}rcp_legacy_f32_constant_4.0
18; GCN: v_rcp_legacy_f32_e32 {{v[0-9]+}}, 4.0
19define amdgpu_kernel void @rcp_legacy_f32_constant_4.0(float addrspace(1)* %out) #1 {
20  %rcp = call float @llvm.amdgcn.rcp.legacy(float 4.0) #0
21  store float %rcp, float addrspace(1)* %out, align 4
22  ret void
23}
24
25; GCN-LABEL: {{^}}rcp_legacy_f32_constant_100.0
26; GCN: v_rcp_legacy_f32_e32 {{v[0-9]+}}, 0x42c80000
27define amdgpu_kernel void @rcp_legacy_f32_constant_100.0(float addrspace(1)* %out) #1 {
28  %rcp = call float @llvm.amdgcn.rcp.legacy(float 100.0) #0
29  store float %rcp, float addrspace(1)* %out, align 4
30  ret void
31}
32
33; GCN-LABEL: {{^}}rcp_legacy_undef_f32:
34; GCN-NOT: v_rcp_legacy_f32
35define amdgpu_kernel void @rcp_legacy_undef_f32(float addrspace(1)* %out) #1 {
36  %rcp = call float @llvm.amdgcn.rcp.legacy(float undef)
37  store float %rcp, float addrspace(1)* %out, align 4
38  ret void
39}
40
41attributes #0 = { nounwind readnone }
42attributes #1 = { nounwind }
43