1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
3; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
4
5declare float @llvm.minnum.f32(float, float) nounwind readnone
6
7; SI-LABEL: {{^}}test_fmin3_olt_0:
8; SI: buffer_load_dword [[REGC:v[0-9]+]]
9; SI: buffer_load_dword [[REGB:v[0-9]+]]
10; SI: buffer_load_dword [[REGA:v[0-9]+]]
11; SI: v_min3_f32 [[RESULT:v[0-9]+]], [[REGC]], [[REGB]], [[REGA]]
12; SI: buffer_store_dword [[RESULT]],
13; SI: s_endpgm
14define void @test_fmin3_olt_0(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) nounwind {
15  %a = load volatile float, float addrspace(1)* %aptr, align 4
16  %b = load volatile float, float addrspace(1)* %bptr, align 4
17  %c = load volatile float, float addrspace(1)* %cptr, align 4
18  %f0 = call float @llvm.minnum.f32(float %a, float %b) nounwind readnone
19  %f1 = call float @llvm.minnum.f32(float %f0, float %c) nounwind readnone
20  store float %f1, float addrspace(1)* %out, align 4
21  ret void
22}
23
24; Commute operand of second fmin
25; SI-LABEL: {{^}}test_fmin3_olt_1:
26; SI: buffer_load_dword [[REGB:v[0-9]+]]
27; SI: buffer_load_dword [[REGA:v[0-9]+]]
28; SI: buffer_load_dword [[REGC:v[0-9]+]]
29; SI: v_min3_f32 [[RESULT:v[0-9]+]], [[REGC]], [[REGB]], [[REGA]]
30; SI: buffer_store_dword [[RESULT]],
31; SI: s_endpgm
32define void @test_fmin3_olt_1(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) nounwind {
33  %a = load volatile float, float addrspace(1)* %aptr, align 4
34  %b = load volatile float, float addrspace(1)* %bptr, align 4
35  %c = load volatile float, float addrspace(1)* %cptr, align 4
36  %f0 = call float @llvm.minnum.f32(float %a, float %b) nounwind readnone
37  %f1 = call float @llvm.minnum.f32(float %c, float %f0) nounwind readnone
38  store float %f1, float addrspace(1)* %out, align 4
39  ret void
40}
41