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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -instcombine -S < %s | FileCheck %s
declare void @use(i32)
declare i32 @llvm.ctlz.i32(i32, i1)
declare <3 x i17> @llvm.ctlz.v3i17(<3 x i17>, i1)
declare i32 @llvm.cttz.i32(i32, i1)
declare <3 x i5> @llvm.cttz.v3i5(<3 x i5>, i1)
declare i32 @llvm.ctpop.i32(i32)
declare <3 x i7> @llvm.ctpop.v3i7(<3 x i7>)
define i32 @ctlz_sel_const_true_false(i1 %b) {
; CHECK-LABEL: @ctlz_sel_const_true_false(
; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i32 29, i32 0
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 -7
%c = call i32 @llvm.ctlz.i32(i32 %s, i1 true)
ret i32 %c
}
define i32 @ctlz_sel_const_true(i1 %b, i32 %x) {
; CHECK-LABEL: @ctlz_sel_const_true(
; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0:![0-9]+]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i32 29, i32 [[TMP1]]
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 %x
%c = call i32 @llvm.ctlz.i32(i32 %s, i1 false)
ret i32 %c
}
define <3 x i17> @ctlz_sel_const_false(<3 x i1> %b, <3 x i17> %x) {
; CHECK-LABEL: @ctlz_sel_const_false(
; CHECK-NEXT: [[TMP1:%.*]] = call <3 x i17> @llvm.ctlz.v3i17(<3 x i17> [[X:%.*]], i1 true)
; CHECK-NEXT: [[C:%.*]] = select <3 x i1> [[B:%.*]], <3 x i17> [[TMP1]], <3 x i17> <i17 14, i17 0, i17 poison>
; CHECK-NEXT: ret <3 x i17> [[C]]
;
%s = select <3 x i1> %b, <3 x i17> %x, <3 x i17> <i17 7, i17 -1, i17 0>
%c = call <3 x i17> @llvm.ctlz.v3i17(<3 x i17> %s, i1 true)
ret <3 x i17> %c
}
define i32 @ctlz_sel_const_true_false_extra_use(i1 %b) {
; CHECK-LABEL: @ctlz_sel_const_true_false_extra_use(
; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 -1, i32 7
; CHECK-NEXT: call void @use(i32 [[S]])
; CHECK-NEXT: [[C:%.*]] = call i32 @llvm.ctlz.i32(i32 [[S]], i1 true), !range [[RNG1:![0-9]+]]
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 -1, i32 7
call void @use(i32 %s)
%c = call i32 @llvm.ctlz.i32(i32 %s, i1 false)
ret i32 %c
}
define i32 @cttz_sel_const_true_false(i1 %b) {
; CHECK-LABEL: @cttz_sel_const_true_false(
; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i32 2, i32 0
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 4, i32 -7
%c = call i32 @llvm.cttz.i32(i32 %s, i1 false)
ret i32 %c
}
define i32 @cttz_sel_const_true(i1 %b, i32 %x) {
; CHECK-LABEL: @cttz_sel_const_true(
; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 true), !range [[RNG0]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i32 0, i32 [[TMP1]]
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 %x
%c = call i32 @llvm.cttz.i32(i32 %s, i1 true)
ret i32 %c
}
define <3 x i5> @cttz_sel_const_false(<3 x i1> %b, <3 x i5> %x) {
; CHECK-LABEL: @cttz_sel_const_false(
; CHECK-NEXT: [[TMP1:%.*]] = call <3 x i5> @llvm.cttz.v3i5(<3 x i5> [[X:%.*]], i1 false)
; CHECK-NEXT: [[C:%.*]] = select <3 x i1> [[B:%.*]], <3 x i5> [[TMP1]], <3 x i5> <i5 0, i5 0, i5 5>
; CHECK-NEXT: ret <3 x i5> [[C]]
;
%s = select <3 x i1> %b, <3 x i5> %x, <3 x i5> <i5 7, i5 -1, i5 0>
%c = call <3 x i5> @llvm.cttz.v3i5(<3 x i5> %s, i1 false)
ret <3 x i5> %c
}
define i32 @cttz_sel_const_true_false_extra_use(i1 %b) {
; CHECK-LABEL: @cttz_sel_const_true_false_extra_use(
; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 5, i32 -8
; CHECK-NEXT: call void @use(i32 [[S]])
; CHECK-NEXT: [[C:%.*]] = call i32 @llvm.cttz.i32(i32 [[S]], i1 true), !range [[RNG0]]
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 -8
call void @use(i32 %s)
%c = call i32 @llvm.cttz.i32(i32 %s, i1 true)
ret i32 %c
}
define i32 @ctpop_sel_const_true_false(i1 %b) {
; CHECK-LABEL: @ctpop_sel_const_true_false(
; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i32 2, i32 30
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 -7
%c = call i32 @llvm.ctpop.i32(i32 %s)
ret i32 %c
}
define i32 @ctpop_sel_const_true(i1 %b, i32 %x) {
; CHECK-LABEL: @ctpop_sel_const_true(
; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.ctpop.i32(i32 [[X:%.*]]), !range [[RNG0]]
; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i32 2, i32 [[TMP1]]
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 %x
%c = call i32 @llvm.ctpop.i32(i32 %s)
ret i32 %c
}
define <3 x i7> @ctpop_sel_const_false(<3 x i1> %b, <3 x i7> %x) {
; CHECK-LABEL: @ctpop_sel_const_false(
; CHECK-NEXT: [[TMP1:%.*]] = call <3 x i7> @llvm.ctpop.v3i7(<3 x i7> [[X:%.*]])
; CHECK-NEXT: [[C:%.*]] = select <3 x i1> [[B:%.*]], <3 x i7> [[TMP1]], <3 x i7> <i7 3, i7 7, i7 0>
; CHECK-NEXT: ret <3 x i7> [[C]]
;
%s = select <3 x i1> %b, <3 x i7> %x, <3 x i7> <i7 7, i7 -1, i7 0>
%c = call <3 x i7> @llvm.ctpop.v3i7(<3 x i7> %s)
ret <3 x i7> %c
}
define i32 @ctpop_sel_const_true_false_extra_use(i1 %b) {
; CHECK-LABEL: @ctpop_sel_const_true_false_extra_use(
; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 5, i32 7
; CHECK-NEXT: call void @use(i32 [[S]])
; CHECK-NEXT: [[C:%.*]] = call i32 @llvm.ctpop.i32(i32 [[S]]), !range [[RNG2:![0-9]+]]
; CHECK-NEXT: ret i32 [[C]]
;
%s = select i1 %b, i32 5, i32 7
call void @use(i32 %s)
%c = call i32 @llvm.ctpop.i32(i32 %s)
ret i32 %c
}
|
