1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
3
4
5; GCN-LABEL: {{^}}test_mul_legacy_f32:
6; GCN: v_mul_legacy_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
7define amdgpu_kernel void @test_mul_legacy_f32(float addrspace(1)* %out, float %a, float %b) #0 {
8  %result = call float @llvm.amdgcn.fmul.legacy(float %a, float %b)
9  store float %result, float addrspace(1)* %out, align 4
10  ret void
11}
12
13; GCN-LABEL: {{^}}test_mul_legacy_undef0_f32:
14; GCN: v_mul_legacy_f32_e32
15define amdgpu_kernel void @test_mul_legacy_undef0_f32(float addrspace(1)* %out, float %a) #0 {
16  %result = call float @llvm.amdgcn.fmul.legacy(float undef, float %a)
17  store float %result, float addrspace(1)* %out, align 4
18  ret void
19}
20
21; GCN-LABEL: {{^}}test_mul_legacy_undef1_f32:
22; GCN: v_mul_legacy_f32_e32
23define amdgpu_kernel void @test_mul_legacy_undef1_f32(float addrspace(1)* %out, float %a) #0 {
24  %result = call float @llvm.amdgcn.fmul.legacy(float %a, float undef)
25  store float %result, float addrspace(1)* %out, align 4
26  ret void
27}
28
29; GCN-LABEL: {{^}}test_mul_legacy_fabs_f32:
30; GCN: v_mul_legacy_f32_e64 v{{[0-9]+}}, |s{{[0-9]+}}|, |v{{[0-9]+}}|
31define amdgpu_kernel void @test_mul_legacy_fabs_f32(float addrspace(1)* %out, float %a, float %b) #0 {
32  %a.fabs = call float @llvm.fabs.f32(float %a)
33  %b.fabs = call float @llvm.fabs.f32(float %b)
34  %result = call float @llvm.amdgcn.fmul.legacy(float %a.fabs, float %b.fabs)
35  store float %result, float addrspace(1)* %out, align 4
36  ret void
37}
38
39; TODO: Should match mac_legacy/mad_legacy
40; GCN-LABEL: {{^}}test_mad_legacy_f32:
41; GCN: v_mul_legacy_f32_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
42; GCN: v_add_f32_e32
43define amdgpu_kernel void @test_mad_legacy_f32(float addrspace(1)* %out, float %a, float %b, float %c) #0 {
44  %mul = call float @llvm.amdgcn.fmul.legacy(float %a, float %b)
45  %add = fadd float %mul, %c
46  store float %add, float addrspace(1)* %out, align 4
47  ret void
48}
49
50declare float @llvm.fabs.f32(float) #1
51declare float @llvm.amdgcn.fmul.legacy(float, float) #1
52
53attributes #0 = { nounwind }
54attributes #1 = { nounwind readnone }
55