-
Notifications
You must be signed in to change notification settings - Fork 10.8k
/
shift-bmi2.ll
179 lines (163 loc) · 3.6 KB
/
shift-bmi2.ll
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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core-avx2 < %s | FileCheck --check-prefix=BMI2 %s
; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=core-avx2 < %s | FileCheck --check-prefix=BMI264 %s
define i32 @shl32(i32 %x, i32 %shamt) nounwind uwtable readnone {
entry:
%shl = shl i32 %x, %shamt
; BMI2: shl32
; BMI2: shlxl
; BMI2: ret
; BMI264: shl32
; BMI264: shlxl
; BMI264: ret
ret i32 %shl
}
define i32 @shl32i(i32 %x) nounwind uwtable readnone {
entry:
%shl = shl i32 %x, 5
; BMI2: shl32i
; BMI2-NOT: shlxl
; BMI2: ret
; BMI264: shl32i
; BMI264-NOT: shlxl
; BMI264: ret
ret i32 %shl
}
define i32 @shl32p(i32* %p, i32 %shamt) nounwind uwtable readnone {
entry:
%x = load i32, i32* %p
%shl = shl i32 %x, %shamt
; BMI2: shl32p
; BMI2: shlxl %{{.+}}, ({{.+}}), %{{.+}}
; BMI2: ret
; BMI264: shl32p
; BMI264: shlxl %{{.+}}, ({{.+}}), %{{.+}}
; BMI264: ret
ret i32 %shl
}
define i32 @shl32pi(i32* %p) nounwind uwtable readnone {
entry:
%x = load i32, i32* %p
%shl = shl i32 %x, 5
; BMI2: shl32pi
; BMI2-NOT: shlxl
; BMI2: ret
; BMI264: shl32pi
; BMI264-NOT: shlxl
; BMI264: ret
ret i32 %shl
}
define i64 @shl64(i64 %x, i64 %shamt) nounwind uwtable readnone {
entry:
%shl = shl i64 %x, %shamt
; BMI264: shl64
; BMI264: shlxq
; BMI264: ret
ret i64 %shl
}
define i64 @shl64i(i64 %x) nounwind uwtable readnone {
entry:
%shl = shl i64 %x, 7
; BMI264: shl64i
; BMI264-NOT: shlxq
; BMI264: ret
ret i64 %shl
}
define i64 @shl64p(i64* %p, i64 %shamt) nounwind uwtable readnone {
entry:
%x = load i64, i64* %p
%shl = shl i64 %x, %shamt
; BMI264: shl64p
; BMI264: shlxq %{{.+}}, ({{.+}}), %{{.+}}
; BMI264: ret
ret i64 %shl
}
define i64 @shl64pi(i64* %p) nounwind uwtable readnone {
entry:
%x = load i64, i64* %p
%shl = shl i64 %x, 7
; BMI264: shl64pi
; BMI264-NOT: shlxq
; BMI264: ret
ret i64 %shl
}
define i32 @lshr32(i32 %x, i32 %shamt) nounwind uwtable readnone {
entry:
%shl = lshr i32 %x, %shamt
; BMI2: lshr32
; BMI2: shrxl
; BMI2: ret
; BMI264: lshr32
; BMI264: shrxl
; BMI264: ret
ret i32 %shl
}
define i32 @lshr32p(i32* %p, i32 %shamt) nounwind uwtable readnone {
entry:
%x = load i32, i32* %p
%shl = lshr i32 %x, %shamt
; BMI2: lshr32p
; BMI2: shrxl %{{.+}}, ({{.+}}), %{{.+}}
; BMI2: ret
; BMI264: lshr32p
; BMI264: shrxl %{{.+}}, ({{.+}}), %{{.+}}
; BMI264: ret
ret i32 %shl
}
define i64 @lshr64(i64 %x, i64 %shamt) nounwind uwtable readnone {
entry:
%shl = lshr i64 %x, %shamt
; BMI264: lshr64
; BMI264: shrxq
; BMI264: ret
ret i64 %shl
}
define i64 @lshr64p(i64* %p, i64 %shamt) nounwind uwtable readnone {
entry:
%x = load i64, i64* %p
%shl = lshr i64 %x, %shamt
; BMI264: lshr64p
; BMI264: shrxq %{{.+}}, ({{.+}}), %{{.+}}
; BMI264: ret
ret i64 %shl
}
define i32 @ashr32(i32 %x, i32 %shamt) nounwind uwtable readnone {
entry:
%shl = ashr i32 %x, %shamt
; BMI2: ashr32
; BMI2: sarxl
; BMI2: ret
; BMI264: ashr32
; BMI264: sarxl
; BMI264: ret
ret i32 %shl
}
define i32 @ashr32p(i32* %p, i32 %shamt) nounwind uwtable readnone {
entry:
%x = load i32, i32* %p
%shl = ashr i32 %x, %shamt
; BMI2: ashr32p
; Source order scheduling prevents folding, rdar:14208996.
; BMI2: sarxl %{{.+}}, ({{.+}}), %{{.+}}
; BMI2: ret
; BMI264: ashr32p
; BMI264: sarxl %{{.+}}, ({{.+}}), %{{.+}}
; BMI264: ret
ret i32 %shl
}
define i64 @ashr64(i64 %x, i64 %shamt) nounwind uwtable readnone {
entry:
%shl = ashr i64 %x, %shamt
; BMI264: ashr64
; BMI264: sarxq
; BMI264: ret
ret i64 %shl
}
define i64 @ashr64p(i64* %p, i64 %shamt) nounwind uwtable readnone {
entry:
%x = load i64, i64* %p
%shl = ashr i64 %x, %shamt
; BMI264: ashr64p
; BMI264: sarxq %{{.+}}, ({{.+}}), %{{.+}}
; BMI264: ret
ret i64 %shl
}