1; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=SI-SAFE -check-prefix=FUNC %s
2; RUN: llc -enable-no-nans-fp-math -enable-unsafe-fp-math -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI-NONAN -check-prefix=SI -check-prefix=FUNC %s
3; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
4
5; FIXME: Should replace unsafe-fp-math with no signed zeros.
6
7declare i32 @llvm.r600.read.tidig.x() #1
8
9; FUNC-LABEL: @test_fmax_legacy_uge_f32
10; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
11; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
12; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
13; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
14
15; EG: MAX
16define void @test_fmax_legacy_uge_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
17  %tid = call i32 @llvm.r600.read.tidig.x() #1
18  %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
19  %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
20
21  %a = load float addrspace(1)* %gep.0, align 4
22  %b = load float addrspace(1)* %gep.1, align 4
23
24  %cmp = fcmp uge float %a, %b
25  %val = select i1 %cmp, float %a, float %b
26  store float %val, float addrspace(1)* %out, align 4
27  ret void
28}
29
30; FUNC-LABEL: @test_fmax_legacy_oge_f32
31; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
32; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
33; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
34; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
35; EG: MAX
36define void @test_fmax_legacy_oge_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
37  %tid = call i32 @llvm.r600.read.tidig.x() #1
38  %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
39  %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
40
41  %a = load float addrspace(1)* %gep.0, align 4
42  %b = load float addrspace(1)* %gep.1, align 4
43
44  %cmp = fcmp oge float %a, %b
45  %val = select i1 %cmp, float %a, float %b
46  store float %val, float addrspace(1)* %out, align 4
47  ret void
48}
49
50; FUNC-LABEL: @test_fmax_legacy_ugt_f32
51; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
52; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
53; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
54; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
55; EG: MAX
56define void @test_fmax_legacy_ugt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
57  %tid = call i32 @llvm.r600.read.tidig.x() #1
58  %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
59  %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
60
61  %a = load float addrspace(1)* %gep.0, align 4
62  %b = load float addrspace(1)* %gep.1, align 4
63
64  %cmp = fcmp ugt float %a, %b
65  %val = select i1 %cmp, float %a, float %b
66  store float %val, float addrspace(1)* %out, align 4
67  ret void
68}
69
70; FUNC-LABEL: @test_fmax_legacy_ogt_f32
71; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
72; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
73; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
74; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
75; EG: MAX
76define void @test_fmax_legacy_ogt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
77  %tid = call i32 @llvm.r600.read.tidig.x() #1
78  %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
79  %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
80
81  %a = load float addrspace(1)* %gep.0, align 4
82  %b = load float addrspace(1)* %gep.1, align 4
83
84  %cmp = fcmp ogt float %a, %b
85  %val = select i1 %cmp, float %a, float %b
86  store float %val, float addrspace(1)* %out, align 4
87  ret void
88}
89
90
91; FUNC-LABEL: @test_fmax_legacy_ogt_f32_multi_use
92; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
93; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
94; SI-NOT: v_max_
95; SI: v_cmp_gt_f32
96; SI-NEXT: v_cndmask_b32
97; SI-NOT: v_max_
98
99; EG: MAX
100define void @test_fmax_legacy_ogt_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 {
101  %tid = call i32 @llvm.r600.read.tidig.x() #1
102  %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
103  %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
104
105  %a = load float addrspace(1)* %gep.0, align 4
106  %b = load float addrspace(1)* %gep.1, align 4
107
108  %cmp = fcmp ogt float %a, %b
109  %val = select i1 %cmp, float %a, float %b
110  store float %val, float addrspace(1)* %out0, align 4
111  store i1 %cmp, i1addrspace(1)* %out1
112  ret void
113}
114
115attributes #0 = { nounwind }
116attributes #1 = { nounwind readnone }
117