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, float addrspace(1)* %in, i32 %tid
19  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
20
21  %a = load float, float addrspace(1)* %gep.0, align 4
22  %b = load float, 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, float addrspace(1)* %in, i32 %tid
39  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
40
41  %a = load float, float addrspace(1)* %gep.0, align 4
42  %b = load float, 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, float addrspace(1)* %in, i32 %tid
59  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
60
61  %a = load float, float addrspace(1)* %gep.0, align 4
62  %b = load float, 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, float addrspace(1)* %in, i32 %tid
79  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
80
81  %a = load float, float addrspace(1)* %gep.0, align 4
82  %b = load float, 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; FUNC-LABEL: {{^}}test_fmax_legacy_ogt_v1f32:
91; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
92; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
93; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
94; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
95; EG: MAX
96define void @test_fmax_legacy_ogt_v1f32(<1 x float> addrspace(1)* %out, <1 x float> addrspace(1)* %in) #0 {
97  %tid = call i32 @llvm.r600.read.tidig.x() #1
98  %gep.0 = getelementptr <1 x float>, <1 x float> addrspace(1)* %in, i32 %tid
99  %gep.1 = getelementptr <1 x float>, <1 x float> addrspace(1)* %gep.0, i32 1
100
101  %a = load <1 x float>, <1 x float> addrspace(1)* %gep.0
102  %b = load <1 x float>, <1 x float> addrspace(1)* %gep.1
103
104  %cmp = fcmp ogt <1 x float> %a, %b
105  %val = select <1 x i1> %cmp, <1 x float> %a, <1 x float> %b
106  store <1 x float> %val, <1 x float> addrspace(1)* %out
107  ret void
108}
109
110; FUNC-LABEL: {{^}}test_fmax_legacy_ogt_v3f32:
111; SI-SAFE: v_max_legacy_f32_e32
112; SI-SAFE: v_max_legacy_f32_e32
113; SI-SAFE: v_max_legacy_f32_e32
114; SI-NONAN: v_max_f32_e32
115; SI-NONAN: v_max_f32_e32
116; SI-NONAN: v_max_f32_e32
117define void @test_fmax_legacy_ogt_v3f32(<3 x float> addrspace(1)* %out, <3 x float> addrspace(1)* %in) #0 {
118  %tid = call i32 @llvm.r600.read.tidig.x() #1
119  %gep.0 = getelementptr <3 x float>, <3 x float> addrspace(1)* %in, i32 %tid
120  %gep.1 = getelementptr <3 x float>, <3 x float> addrspace(1)* %gep.0, i32 1
121
122  %a = load <3 x float>, <3 x float> addrspace(1)* %gep.0
123  %b = load <3 x float>, <3 x float> addrspace(1)* %gep.1
124
125  %cmp = fcmp ogt <3 x float> %a, %b
126  %val = select <3 x i1> %cmp, <3 x float> %a, <3 x float> %b
127  store <3 x float> %val, <3 x float> addrspace(1)* %out
128  ret void
129}
130
131; FUNC-LABEL: @test_fmax_legacy_ogt_f32_multi_use
132; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
133; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
134; SI-NOT: v_max_
135; SI: v_cmp_gt_f32
136; SI-NEXT: v_cndmask_b32
137; SI-NOT: v_max_
138
139; EG: MAX
140define void @test_fmax_legacy_ogt_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 {
141  %tid = call i32 @llvm.r600.read.tidig.x() #1
142  %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
143  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
144
145  %a = load float, float addrspace(1)* %gep.0, align 4
146  %b = load float, float addrspace(1)* %gep.1, align 4
147
148  %cmp = fcmp ogt float %a, %b
149  %val = select i1 %cmp, float %a, float %b
150  store float %val, float addrspace(1)* %out0, align 4
151  store i1 %cmp, i1addrspace(1)* %out1
152  ret void
153}
154
155attributes #0 = { nounwind }
156attributes #1 = { nounwind readnone }
157