1 ; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI-SAFE -check-prefix=SI -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
5 ; FIXME: Should replace unsafe-fp-math with no signed zeros.
7 declare i32 @llvm.r600.read.tidig.x() #1
9 ; FUNC-LABEL: @test_fmin_legacy_f32
11 ; SI-SAFE: v_min_legacy_f32_e32
12 ; SI-NONAN: v_min_f32_e32
13 define void @test_fmin_legacy_f32(<4 x float> addrspace(1)* %out, <4 x float> inreg %reg0) #0 {
14 %r0 = extractelement <4 x float> %reg0, i32 0
15 %r1 = extractelement <4 x float> %reg0, i32 1
16 %r2 = fcmp uge float %r0, %r1
17 %r3 = select i1 %r2, float %r1, float %r0
18 %vec = insertelement <4 x float> undef, float %r3, i32 0
19 store <4 x float> %vec, <4 x float> addrspace(1)* %out, align 16
23 ; FUNC-LABEL: @test_fmin_legacy_ule_f32
24 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
25 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
26 ; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
27 ; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
28 define void @test_fmin_legacy_ule_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
29 %tid = call i32 @llvm.r600.read.tidig.x() #1
30 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
31 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
33 %a = load float, float addrspace(1)* %gep.0, align 4
34 %b = load float, float addrspace(1)* %gep.1, align 4
36 %cmp = fcmp ule float %a, %b
37 %val = select i1 %cmp, float %a, float %b
38 store float %val, float addrspace(1)* %out, align 4
42 ; FUNC-LABEL: @test_fmin_legacy_ole_f32
43 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
44 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
45 ; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
46 ; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
47 define void @test_fmin_legacy_ole_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
48 %tid = call i32 @llvm.r600.read.tidig.x() #1
49 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
50 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
52 %a = load float, float addrspace(1)* %gep.0, align 4
53 %b = load float, float addrspace(1)* %gep.1, align 4
55 %cmp = fcmp ole float %a, %b
56 %val = select i1 %cmp, float %a, float %b
57 store float %val, float addrspace(1)* %out, align 4
61 ; FUNC-LABEL: @test_fmin_legacy_olt_f32
62 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
63 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
64 ; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
65 ; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
66 define void @test_fmin_legacy_olt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
67 %tid = call i32 @llvm.r600.read.tidig.x() #1
68 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
69 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
71 %a = load float, float addrspace(1)* %gep.0, align 4
72 %b = load float, float addrspace(1)* %gep.1, align 4
74 %cmp = fcmp olt float %a, %b
75 %val = select i1 %cmp, float %a, float %b
76 store float %val, float addrspace(1)* %out, align 4
80 ; FUNC-LABEL: @test_fmin_legacy_ult_f32
81 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
82 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
83 ; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
84 ; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
85 define void @test_fmin_legacy_ult_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
86 %tid = call i32 @llvm.r600.read.tidig.x() #1
87 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
88 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
90 %a = load float, float addrspace(1)* %gep.0, align 4
91 %b = load float, float addrspace(1)* %gep.1, align 4
93 %cmp = fcmp ult float %a, %b
94 %val = select i1 %cmp, float %a, float %b
95 store float %val, float addrspace(1)* %out, align 4
99 ; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v1f32:
100 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
101 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
102 ; SI-SAFE: v_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
103 ; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
104 define void @test_fmin_legacy_ult_v1f32(<1 x float> addrspace(1)* %out, <1 x float> addrspace(1)* %in) #0 {
105 %tid = call i32 @llvm.r600.read.tidig.x() #1
106 %gep.0 = getelementptr <1 x float>, <1 x float> addrspace(1)* %in, i32 %tid
107 %gep.1 = getelementptr <1 x float>, <1 x float> addrspace(1)* %gep.0, i32 1
109 %a = load <1 x float>, <1 x float> addrspace(1)* %gep.0
110 %b = load <1 x float>, <1 x float> addrspace(1)* %gep.1
112 %cmp = fcmp ult <1 x float> %a, %b
113 %val = select <1 x i1> %cmp, <1 x float> %a, <1 x float> %b
114 store <1 x float> %val, <1 x float> addrspace(1)* %out
118 ; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v2f32:
119 ; SI: buffer_load_dwordx2
120 ; SI: buffer_load_dwordx2
121 ; SI-SAFE: v_min_legacy_f32_e32
122 ; SI-SAFE: v_min_legacy_f32_e32
124 ; SI-NONAN: v_min_f32_e32
125 ; SI-NONAN: v_min_f32_e32
126 define void @test_fmin_legacy_ult_v2f32(<2 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %in) #0 {
127 %tid = call i32 @llvm.r600.read.tidig.x() #1
128 %gep.0 = getelementptr <2 x float>, <2 x float> addrspace(1)* %in, i32 %tid
129 %gep.1 = getelementptr <2 x float>, <2 x float> addrspace(1)* %gep.0, i32 1
131 %a = load <2 x float>, <2 x float> addrspace(1)* %gep.0
132 %b = load <2 x float>, <2 x float> addrspace(1)* %gep.1
134 %cmp = fcmp ult <2 x float> %a, %b
135 %val = select <2 x i1> %cmp, <2 x float> %a, <2 x float> %b
136 store <2 x float> %val, <2 x float> addrspace(1)* %out
140 ; FUNC-LABEL: {{^}}test_fmin_legacy_ult_v3f32:
141 ; SI-SAFE: v_min_legacy_f32_e32
142 ; SI-SAFE: v_min_legacy_f32_e32
143 ; SI-SAFE: v_min_legacy_f32_e32
145 ; SI-NONAN: v_min_f32_e32
146 ; SI-NONAN: v_min_f32_e32
147 ; SI-NONAN: v_min_f32_e32
148 define void @test_fmin_legacy_ult_v3f32(<3 x float> addrspace(1)* %out, <3 x float> addrspace(1)* %in) #0 {
149 %tid = call i32 @llvm.r600.read.tidig.x() #1
150 %gep.0 = getelementptr <3 x float>, <3 x float> addrspace(1)* %in, i32 %tid
151 %gep.1 = getelementptr <3 x float>, <3 x float> addrspace(1)* %gep.0, i32 1
153 %a = load <3 x float>, <3 x float> addrspace(1)* %gep.0
154 %b = load <3 x float>, <3 x float> addrspace(1)* %gep.1
156 %cmp = fcmp ult <3 x float> %a, %b
157 %val = select <3 x i1> %cmp, <3 x float> %a, <3 x float> %b
158 store <3 x float> %val, <3 x float> addrspace(1)* %out
162 ; FUNC-LABEL: @test_fmin_legacy_ole_f32_multi_use
163 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
164 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
167 ; SI-NEXT: v_cndmask_b32
170 define void @test_fmin_legacy_ole_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 {
171 %tid = call i32 @llvm.r600.read.tidig.x() #1
172 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
173 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
175 %a = load float, float addrspace(1)* %gep.0, align 4
176 %b = load float, float addrspace(1)* %gep.1, align 4
178 %cmp = fcmp ole float %a, %b
179 %val0 = select i1 %cmp, float %a, float %b
180 store float %val0, float addrspace(1)* %out0, align 4
181 store i1 %cmp, i1 addrspace(1)* %out1
185 attributes #0 = { nounwind }
186 attributes #1 = { nounwind readnone }