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