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gerrit-public.fairphone.software / toolchain / llvm-project / 5b39b34ca53da637cbf7bfa1f3ff8351bc97fdd6 / . / llvm / test / CodeGen / AMDGPU / fmed3.ll
blob: 409431102cd97c478148b26b902cb8ed47f0392f [file] [log] [blame]
Matt Arsenaultf639c322016-01-28 20:53:42 +0000[diff] [blame]1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=NOSNAN -check-prefix=GCN %s
2; RUN: llc -march=amdgcn -mattr=+fp-exceptions -verify-machineinstrs < %s | FileCheck -check-prefix=SNAN -check-prefix=GCN %s
3
4declare i32 @llvm.r600.read.tidig.x() #0
5declare float @llvm.minnum.f32(float, float) #0
6declare float @llvm.maxnum.f32(float, float) #0
7declare double @llvm.minnum.f64(double, double) #0
8declare double @llvm.maxnum.f64(double, double) #0
9
10; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_f32:
11; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
12
13; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
14; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
15define void @v_test_fmed3_r_i_i_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
16 %tid = call i32 @llvm.r600.read.tidig.x()
17 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
18 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
19 %a = load float, float addrspace(1)* %gep0
20
21 %max = call float @llvm.maxnum.f32(float %a, float 2.0)
22 %med = call float @llvm.minnum.f32(float %max, float 4.0)
23
24 store float %med, float addrspace(1)* %outgep
25 ret void
26}
27
28; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_commute0_f32:
29; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
30
31; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
32; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
33define void @v_test_fmed3_r_i_i_commute0_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
34 %tid = call i32 @llvm.r600.read.tidig.x()
35 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
36 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
37 %a = load float, float addrspace(1)* %gep0
38
39 %max = call float @llvm.maxnum.f32(float 2.0, float %a)
40 %med = call float @llvm.minnum.f32(float 4.0, float %max)
41
42 store float %med, float addrspace(1)* %outgep
43 ret void
44}
45
46; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_commute1_f32:
47; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
48
49; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
50; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
51define void @v_test_fmed3_r_i_i_commute1_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
52 %tid = call i32 @llvm.r600.read.tidig.x()
53 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
54 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
55 %a = load float, float addrspace(1)* %gep0
56
57 %max = call float @llvm.maxnum.f32(float %a, float 2.0)
58 %med = call float @llvm.minnum.f32(float 4.0, float %max)
59
60 store float %med, float addrspace(1)* %outgep
61 ret void
62}
63
64; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_constant_order_f32:
65; GCN: v_max_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
66; GCN: v_min_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
67define void @v_test_fmed3_r_i_i_constant_order_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
68 %tid = call i32 @llvm.r600.read.tidig.x()
69 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
70 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
71 %a = load float, float addrspace(1)* %gep0
72
73 %max = call float @llvm.maxnum.f32(float %a, float 4.0)
74 %med = call float @llvm.minnum.f32(float %max, float 2.0)
75
76 store float %med, float addrspace(1)* %outgep
77 ret void
78}
79
80
81; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_multi_use_f32:
82; GCN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
83; GCN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
84define void @v_test_fmed3_r_i_i_multi_use_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
85 %tid = call i32 @llvm.r600.read.tidig.x()
86 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
87 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
88 %a = load float, float addrspace(1)* %gep0
89
90 %max = call float @llvm.maxnum.f32(float %a, float 2.0)
91 %med = call float @llvm.minnum.f32(float %max, float 4.0)
92
93 store volatile float %med, float addrspace(1)* %outgep
94 store volatile float %max, float addrspace(1)* %outgep
95 ret void
96}
97
98; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_f64:
99; GCN: v_max_f64 {{v\[[0-9]+:[0-9]+\]}}, 2.0, {{v\[[0-9]+:[0-9]+\]}}
100; GCN: v_min_f64 {{v\[[0-9]+:[0-9]+\]}}, 4.0, {{v\[[0-9]+:[0-9]+\]}}
101define void @v_test_fmed3_r_i_i_f64(double addrspace(1)* %out, double addrspace(1)* %aptr) #1 {
102 %tid = call i32 @llvm.r600.read.tidig.x()
103 %gep0 = getelementptr double, double addrspace(1)* %aptr, i32 %tid
104 %outgep = getelementptr double, double addrspace(1)* %out, i32 %tid
105 %a = load double, double addrspace(1)* %gep0
106
107 %max = call double @llvm.maxnum.f64(double %a, double 2.0)
108 %med = call double @llvm.minnum.f64(double %max, double 4.0)
109
110 store double %med, double addrspace(1)* %outgep
111 ret void
112}
113
114; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_no_nans_f32:
115; GCN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
116define void @v_test_fmed3_r_i_i_no_nans_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #2 {
117 %tid = call i32 @llvm.r600.read.tidig.x()
118 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
119 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
120 %a = load float, float addrspace(1)* %gep0
121
122 %max = call float @llvm.maxnum.f32(float %a, float 2.0)
123 %med = call float @llvm.minnum.f32(float %max, float 4.0)
124
125 store float %med, float addrspace(1)* %outgep
126 ret void
127}
128
Matt Arsenault5b39b342016-01-28 20:53:48 +0000[diff] [blame^]129; GCN-LABEL: {{^}}v_test_legacy_fmed3_r_i_i_f32:
130; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
131
132; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
133; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
134define void @v_test_legacy_fmed3_r_i_i_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
135 %tid = call i32 @llvm.r600.read.tidig.x()
136 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
137 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
138 %a = load float, float addrspace(1)* %gep0
139
140 ; fmax_legacy
141 %cmp0 = fcmp ule float %a, 2.0
142 %max = select i1 %cmp0, float 2.0, float %a
143
144 ; fmin_legacy
145 %cmp1 = fcmp uge float %max, 4.0
146 %med = select i1 %cmp1, float 4.0, float %max
147
148 store float %med, float addrspace(1)* %outgep
149 ret void
150}
151
Matt Arsenaultf639c322016-01-28 20:53:42 +0000[diff] [blame]152attributes #0 = { nounwind readnone }
153attributes #1 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="false" }
154attributes #2 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="true" }