unordered-fcmp-select.ll
4.93 KB
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instcombine < %s | FileCheck %s
define float @select_max_ugt(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_max_ugt(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp ole float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select arcp i1 [[CMP_INV]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp arcp ugt float %a, %b
%sel = select arcp i1 %cmp, float %a, float %b
ret float %sel
}
define float @select_max_uge(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_max_uge(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nnan olt float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select nnan i1 [[CMP_INV]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp nnan uge float %a, %b
%sel = select ninf i1 %cmp, float %a, float %b
ret float %sel
}
define float @select_min_ugt(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_min_ugt(
; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.minnum.f32(float [[A:%.*]], float [[B:%.*]])
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp fast ugt float %a, %b
%sel = select reassoc i1 %cmp, float %b, float %a
ret float %sel
}
define float @select_min_uge(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_min_uge(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nsz olt float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select nsz i1 [[CMP_INV]], float [[A]], float [[B]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp nsz uge float %a, %b
%sel = select fast i1 %cmp, float %b, float %a
ret float %sel
}
define float @select_max_ult(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_max_ult(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp oge float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select arcp i1 [[CMP_INV]], float [[A]], float [[B]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp arcp ult float %a, %b
%sel = select ninf nnan i1 %cmp, float %b, float %a
ret float %sel
}
define float @select_max_ule(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_max_ule(
; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.maxnum.f32(float [[A:%.*]], float [[B:%.*]])
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp fast ule float %a, %b
%sel = select nsz i1 %cmp, float %b, float %a
ret float %sel
}
define float @select_min_ult(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_min_ult(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nsz oge float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select nsz i1 [[CMP_INV]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp nsz ult float %a, %b
%sel = select fast i1 %cmp, float %a, float %b
ret float %sel
}
define float @select_min_ule(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_min_ule(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp ogt float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select arcp i1 [[CMP_INV]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp arcp ule float %a, %b
%sel = select ninf i1 %cmp, float %a, float %b
ret float %sel
}
define float @select_fcmp_une(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_fcmp_une(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp reassoc oeq float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select reassoc i1 [[CMP_INV]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp reassoc une float %a, %b
%sel = select nnan i1 %cmp, float %a, float %b
ret float %sel
}
define float @select_fcmp_ueq(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_fcmp_ueq(
; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp reassoc one float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = select reassoc i1 [[CMP_INV]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[TMP1]]
;
%cmp = fcmp reassoc ueq float %a, %b
%sel = select arcp nnan i1 %cmp, float %a, float %b
ret float %sel
}
declare void @foo(i1)
define float @select_max_ugt_2_use_cmp(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_max_ugt_2_use_cmp(
; CHECK-NEXT: [[CMP:%.*]] = fcmp reassoc ugt float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: call void @foo(i1 [[CMP]])
; CHECK-NEXT: [[SEL:%.*]] = select fast i1 [[CMP]], float [[A]], float [[B]]
; CHECK-NEXT: ret float [[SEL]]
;
%cmp = fcmp reassoc ugt float %a, %b
call void @foo(i1 %cmp)
%sel = select fast i1 %cmp, float %a, float %b
ret float %sel
}
define float @select_min_uge_2_use_cmp(float %a, float %b) {
; CHECK-LABEL: define {{[^@]+}}@select_min_uge_2_use_cmp(
; CHECK-NEXT: [[CMP:%.*]] = fcmp ninf uge float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: call void @foo(i1 [[CMP]])
; CHECK-NEXT: [[SEL:%.*]] = select nsz i1 [[CMP]], float [[B]], float [[A]]
; CHECK-NEXT: ret float [[SEL]]
;
%cmp = fcmp ninf uge float %a, %b
call void @foo(i1 %cmp)
%sel = select nsz i1 %cmp, float %b, float %a
ret float %sel
}