1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,SI %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI %s
4 declare float @llvm.fabs.f32(float) #1
5 declare double @llvm.fabs.f64(double) #1
7 ; GCN-LABEL: {{^}}test_isinf_pattern:
8 ; GCN: v_mov_b32_e32 [[MASK:v[0-9]+]], 0x204{{$}}
9 ; GCN: v_cmp_class_f32_e32 vcc, s{{[0-9]+}}, [[MASK]]
12 define amdgpu_kernel void @test_isinf_pattern(i32 addrspace(1)* nocapture %out, float %x) #0 {
13 %fabs = tail call float @llvm.fabs.f32(float %x) #1
14 %cmp = fcmp oeq float %fabs, 0x7FF0000000000000
15 %ext = zext i1 %cmp to i32
16 store i32 %ext, i32 addrspace(1)* %out, align 4
20 ; GCN-LABEL: {{^}}test_not_isinf_pattern_0:
21 ; GCN-NOT: v_cmp_class
23 define amdgpu_kernel void @test_not_isinf_pattern_0(i32 addrspace(1)* nocapture %out, float %x) #0 {
24 %fabs = tail call float @llvm.fabs.f32(float %x) #1
25 %cmp = fcmp ueq float %fabs, 0x7FF0000000000000
26 %ext = zext i1 %cmp to i32
27 store i32 %ext, i32 addrspace(1)* %out, align 4
31 ; GCN-LABEL: {{^}}test_not_isinf_pattern_1:
32 ; GCN-NOT: v_cmp_class
34 define amdgpu_kernel void @test_not_isinf_pattern_1(i32 addrspace(1)* nocapture %out, float %x) #0 {
35 %fabs = tail call float @llvm.fabs.f32(float %x) #1
36 %cmp = fcmp oeq float %fabs, 0xFFF0000000000000
37 %ext = zext i1 %cmp to i32
38 store i32 %ext, i32 addrspace(1)* %out, align 4
42 ; GCN-LABEL: {{^}}test_isfinite_pattern_0:
44 ; GCN: v_mov_b32_e32 [[MASK:v[0-9]+]], 0x1f8{{$}}
45 ; GCN: v_cmp_class_f32_e32 vcc, s{{[0-9]+}}, [[MASK]]
48 define amdgpu_kernel void @test_isfinite_pattern_0(i32 addrspace(1)* nocapture %out, float %x) #0 {
49 %ord = fcmp ord float %x, 0.000000e+00
50 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
51 %ninf = fcmp une float %x.fabs, 0x7FF0000000000000
52 %and = and i1 %ord, %ninf
53 %ext = zext i1 %and to i32
54 store i32 %ext, i32 addrspace(1)* %out, align 4
58 ; SI-LABEL: {{^}}test_isfinite_pattern_1:
60 ; SI: v_mov_b32_e32 [[MASK:v[0-9]+]], 0x1f8{{$}}
61 ; SI: v_cmp_class_f32_e32 vcc, s{{[0-9]+}}, [[MASK]]
64 define amdgpu_kernel void @test_isfinite_pattern_1(i32 addrspace(1)* nocapture %out, float %x) #0 {
65 %x.fabs = tail call float @llvm.fabs.f32(float %x) #3
66 %cmpinf = fcmp one float %x.fabs, 0x7FF0000000000000
67 %ext = zext i1 %cmpinf to i32
68 store i32 %ext, i32 addrspace(1)* %out, align 4
72 ; Use negative infinity
73 ; GCN-LABEL: {{^}}test_isfinite_not_pattern_0:
74 ; GCN-NOT: v_cmp_class_f32
76 define amdgpu_kernel void @test_isfinite_not_pattern_0(i32 addrspace(1)* nocapture %out, float %x) #0 {
77 %ord = fcmp ord float %x, 0.000000e+00
78 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
79 %ninf = fcmp une float %x.fabs, 0xFFF0000000000000
80 %and = and i1 %ord, %ninf
81 %ext = zext i1 %and to i32
82 store i32 %ext, i32 addrspace(1)* %out, align 4
87 ; GCN-LABEL: {{^}}test_isfinite_not_pattern_1:
88 ; GCN-NOT: v_cmp_class_f32
90 define amdgpu_kernel void @test_isfinite_not_pattern_1(i32 addrspace(1)* nocapture %out, float %x) #0 {
91 %ord = fcmp ord float %x, 0.000000e+00
92 %ninf = fcmp une float %x, 0x7FF0000000000000
93 %and = and i1 %ord, %ninf
94 %ext = zext i1 %and to i32
95 store i32 %ext, i32 addrspace(1)* %out, align 4
99 ; fabs of different value
100 ; GCN-LABEL: {{^}}test_isfinite_not_pattern_2:
101 ; GCN-NOT: v_cmp_class_f32
103 define amdgpu_kernel void @test_isfinite_not_pattern_2(i32 addrspace(1)* nocapture %out, float %x, float %y) #0 {
104 %ord = fcmp ord float %x, 0.000000e+00
105 %x.fabs = tail call float @llvm.fabs.f32(float %y) #1
106 %ninf = fcmp une float %x.fabs, 0x7FF0000000000000
107 %and = and i1 %ord, %ninf
108 %ext = zext i1 %and to i32
109 store i32 %ext, i32 addrspace(1)* %out, align 4
113 ; Wrong ordered compare type
114 ; GCN-LABEL: {{^}}test_isfinite_not_pattern_3:
115 ; GCN-NOT: v_cmp_class_f32
117 define amdgpu_kernel void @test_isfinite_not_pattern_3(i32 addrspace(1)* nocapture %out, float %x) #0 {
118 %ord = fcmp uno float %x, 0.000000e+00
119 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
120 %ninf = fcmp une float %x.fabs, 0x7FF0000000000000
121 %and = and i1 %ord, %ninf
122 %ext = zext i1 %and to i32
123 store i32 %ext, i32 addrspace(1)* %out, align 4
127 ; GCN-LABEL: {{^}}test_isfinite_pattern_4:
128 ; GCN-DAG: s_load_dword [[X:s[0-9]+]]
129 ; GCN-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x1f8
130 ; GCN-DAG: v_cmp_class_f32_e32 vcc, [[X]], [[K]]
131 ; GCN: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc
132 define amdgpu_kernel void @test_isfinite_pattern_4(i32 addrspace(1)* nocapture %out, float %x) #0 {
133 %ord = fcmp ord float %x, 0.000000e+00
134 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
135 %ninf = fcmp one float %x.fabs, 0x7FF0000000000000
136 %and = and i1 %ord, %ninf
137 %ext = zext i1 %and to i32
138 store i32 %ext, i32 addrspace(1)* %out, align 4
142 ; GCN-LABEL: {{^}}test_isfinite_pattern_4_commute_and:
143 ; GCN-DAG: s_load_dword [[X:s[0-9]+]]
144 ; GCN-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x1f8
145 ; GCN-DAG: v_cmp_class_f32_e32 vcc, [[X]], [[K]]
146 ; GCN: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc
147 define amdgpu_kernel void @test_isfinite_pattern_4_commute_and(i32 addrspace(1)* nocapture %out, float %x) #0 {
148 %ord = fcmp ord float %x, 0.000000e+00
149 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
150 %ninf = fcmp one float %x.fabs, 0x7FF0000000000000
151 %and = and i1 %ninf, %ord
152 %ext = zext i1 %and to i32
153 store i32 %ext, i32 addrspace(1)* %out, align 4
157 ; GCN-LABEL: {{^}}test_not_isfinite_pattern_4_wrong_ord_test:
158 ; GCN-DAG: s_load_dword [[X:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, {{0xb|0x2c}}
159 ; GCN-DAG: s_load_dword [[Y:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, {{0x14|0x50}}
161 ; GCN-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x1f8
162 ; GCN-DAG: v_mov_b32_e32 [[VY:v[0-9]+]], [[Y]]
164 ; SI-DAG: v_cmp_o_f32_e32 vcc, [[X]], [[VY]]
165 ; SI-DAG: v_cmp_class_f32_e64 [[CLASS:s\[[0-9]+:[0-9]+\]]], [[X]], [[K]]
166 ; SI: s_and_b64 [[AND:s\[[0-9]+:[0-9]+\]]], vcc, [[CLASS]]
168 ; VI-DAG: v_cmp_o_f32_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], [[X]], [[VY]]
169 ; VI-DAG: v_cmp_class_f32_e32 vcc, [[X]], [[K]]
170 ; VI: s_and_b64 [[AND:s\[[0-9]+:[0-9]+\]]], [[CMP]], vcc
172 ; GCN: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[AND]]
173 define amdgpu_kernel void @test_not_isfinite_pattern_4_wrong_ord_test(i32 addrspace(1)* nocapture %out, float %x, [8 x i32], float %y) #0 {
174 %ord = fcmp ord float %x, %y
175 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
176 %ninf = fcmp one float %x.fabs, 0x7FF0000000000000
177 %and = and i1 %ord, %ninf
178 %ext = zext i1 %and to i32
179 store i32 %ext, i32 addrspace(1)* %out, align 4
183 attributes #0 = { nounwind }
184 attributes #1 = { nounwind readnone }