blob: b9c1635026489c17a240ae485e222d3c5f4f5c92 (
plain)
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
155
156
157
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
declare float @roundevenf(float) #0
declare float @llvm.roundeven.f32(float)
declare double @roundeven(double) #0
declare double @llvm.roundeven.f64(double)
define float @constant_fold_roundeven_f32_01() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_01(
; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: ret float 1.000000e+00
;
%x = call float @roundevenf(float 1.25) #0
ret float %x
}
define float @constant_fold_roundeven_f32_02() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_02(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float -1.000000e+00
;
%x = call float @llvm.roundeven.f32(float -1.25) #0
ret float %x
}
; roundeven rounds ties to even, so 1.5 -> 2.0 (nearest even)
define float @constant_fold_roundeven_f32_03() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_03(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float 2.000000e+00
;
%x = call float @roundevenf(float 1.5) #0
ret float %x
}
; roundeven rounds ties to even, so -1.5 -> -2.0 (nearest even)
define float @constant_fold_roundeven_f32_04() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_04(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float -2.000000e+00
;
%x = call float @llvm.roundeven.f32(float -1.5) #0
ret float %x
}
; roundeven rounds ties to even, so 2.5 -> 2.0 (nearest even)
define float @constant_fold_roundeven_f32_05() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_05(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float 2.000000e+00
;
%x = call float @roundevenf(float 2.5) #0
ret float %x
}
; roundeven rounds ties to even, so -2.5 -> -2.0 (nearest even)
define float @constant_fold_roundeven_f32_06() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_06(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float -2.000000e+00
;
%x = call float @llvm.roundeven.f32(float -2.5) #0
ret float %x
}
define float @constant_fold_roundeven_f32_07() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_07(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float 3.000000e+00
;
%x = call float @roundevenf(float 2.75) #0
ret float %x
}
define float @constant_fold_roundeven_f32_08() #0 {
; CHECK-LABEL: define float @constant_fold_roundeven_f32_08(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret float -3.000000e+00
;
%x = call float @llvm.roundeven.f32(float -2.75) #0
ret float %x
}
define double @constant_fold_roundeven_f64_01() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_01(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double 1.000000e+00
;
%x = call double @roundeven(double 1.3) #0
ret double %x
}
define double @constant_fold_roundeven_f64_02() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_02(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double -1.000000e+00
;
%x = call double @llvm.roundeven.f64(double -1.3) #0
ret double %x
}
define double @constant_fold_roundeven_f64_03() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_03(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double 2.000000e+00
;
%x = call double @roundeven(double 1.5) #0
ret double %x
}
define double @constant_fold_roundeven_f64_04() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_04(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double -2.000000e+00
;
%x = call double @llvm.roundeven.f64(double -1.5) #0
ret double %x
}
define double @constant_fold_roundeven_f64_05() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_05(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double 2.000000e+00
;
%x = call double @roundeven(double 2.5) #0
ret double %x
}
define double @constant_fold_roundeven_f64_06() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_06(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double -2.000000e+00
;
%x = call double @llvm.roundeven.f64(double -2.5) #0
ret double %x
}
define double @constant_fold_roundeven_f64_07() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_07(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double 3.000000e+00
;
%x = call double @roundeven(double 2.7) #0
ret double %x
}
define double @constant_fold_roundeven_f64_08() #0 {
; CHECK-LABEL: define double @constant_fold_roundeven_f64_08(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: ret double -3.000000e+00
;
%x = call double @llvm.roundeven.f64(double -2.7) #0
ret double %x
}
attributes #0 = { nounwind readnone willreturn }
|
