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
|
; RUN: opt < %s -mtriple=aarch64--linux-gnu -cost-model -analyze | FileCheck %s --check-prefix=COST
; RUN: llc < %s -mtriple=aarch64--linux-gnu | FileCheck %s --check-prefix=CODE
; COST-LABEL: v8i8_select_eq
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp eq <8 x i8> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <8 x i1> %cmp.1, <8 x i8> %a, <8 x i8> %c
; CODE-LABEL: v8i8_select_eq
; CODE: bb.0
; CODE-NEXT: cmeq v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
; CODE-NEXT: bif v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
; CODE-NEXT: ret
define <8 x i8> @v8i8_select_eq(<8 x i8> %a, <8 x i8> %b, <8 x i8> %c) {
%cmp.1 = icmp eq <8 x i8> %a, %b
%s.1 = select <8 x i1> %cmp.1, <8 x i8> %a, <8 x i8> %c
ret <8 x i8> %s.1
}
; COST-LABEL: v16i8_select_sgt
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp sgt <16 x i8> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <16 x i1> %cmp.1, <16 x i8> %a, <16 x i8> %c
; CODE-LABEL: v16i8_select_sgt
; CODE: bb.0
; CODE-NEXT: cmgt v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
; CODE-NEXT: ret
define <16 x i8> @v16i8_select_sgt(<16 x i8> %a, <16 x i8> %b, <16 x i8> %c) {
%cmp.1 = icmp sgt <16 x i8> %a, %b
%s.1 = select <16 x i1> %cmp.1, <16 x i8> %a, <16 x i8> %c
ret <16 x i8> %s.1
}
; COST-LABEL: v4i16_select_ne
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ne <4 x i16> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <4 x i1> %cmp.1, <4 x i16> %a, <4 x i16> %c
; CODE-LABEL: v4i16_select_ne
; CODE: bb.0
; CODE-NEXT: cmeq v{{.+}}.4h, v{{.+}}.4h, v{{.+}}.4h
; CODE-NEXT: bit v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
; CODE-NEXT: ret
define <4 x i16> @v4i16_select_ne(<4 x i16> %a, <4 x i16> %b, <4 x i16> %c) {
%cmp.1 = icmp ne <4 x i16> %a, %b
%s.1 = select <4 x i1> %cmp.1, <4 x i16> %a, <4 x i16> %c
ret <4 x i16> %s.1
}
; COST-LABEL: v8i16_select_ugt
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ugt <8 x i16> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <8 x i1> %cmp.1, <8 x i16> %a, <8 x i16> %c
; CODE-LABEL: v8i16_select_ugt
; CODE: bb.0
; CODE-NEXT: cmhi v{{.+}}.8h, v{{.+}}.8h, v{{.+}}.8h
; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
; CODE-NEXT: ret
define <8 x i16> @v8i16_select_ugt(<8 x i16> %a, <8 x i16> %b, <8 x i16> %c) {
%cmp.1 = icmp ugt <8 x i16> %a, %b
%s.1 = select <8 x i1> %cmp.1, <8 x i16> %a, <8 x i16> %c
ret <8 x i16> %s.1
}
; COST-LABEL: v2i32_select_ule
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ule <2 x i32> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <2 x i1> %cmp.1, <2 x i32> %a, <2 x i32> %c
; CODE-LABEL: v2i32_select_ule
; CODE: bb.0
; CODE-NEXT: cmhs v{{.+}}.2s, v{{.+}}.2s, v{{.+}}.2s
; CODE-NEXT: bif v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
; CODE-NEXT: ret
define <2 x i32> @v2i32_select_ule(<2 x i32> %a, <2 x i32> %b, <2 x i32> %c) {
%cmp.1 = icmp ule <2 x i32> %a, %b
%s.1 = select <2 x i1> %cmp.1, <2 x i32> %a, <2 x i32> %c
ret <2 x i32> %s.1
}
; COST-LABEL: v4i32_select_ult
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ult <4 x i32> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <4 x i1> %cmp.1, <4 x i32> %a, <4 x i32> %c
; CODE-LABEL: v4i32_select_ult
; CODE: bb.0
; CODE-NEXT: cmhi v{{.+}}.4s, v{{.+}}.4s, v{{.+}}.4s
; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
; CODE-NEXT: ret
define <4 x i32> @v4i32_select_ult(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
%cmp.1 = icmp ult <4 x i32> %a, %b
%s.1 = select <4 x i1> %cmp.1, <4 x i32> %a, <4 x i32> %c
ret <4 x i32> %s.1
}
; COST-LABEL: v2i64_select_sle
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp sle <2 x i64> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s.1 = select <2 x i1> %cmp.1, <2 x i64> %a, <2 x i64> %c
; CODE-LABEL: v2i64_select_sle
; CODE: bb.0
; CODE-NEXT: cmge v{{.+}}.2d, v{{.+}}.2d, v{{.+}}.2d
; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
; CODE-NEXT: ret
define <2 x i64> @v2i64_select_sle(<2 x i64> %a, <2 x i64> %b, <2 x i64> %c) {
%cmp.1 = icmp sle <2 x i64> %a, %b
%s.1 = select <2 x i1> %cmp.1, <2 x i64> %a, <2 x i64> %c
ret <2 x i64> %s.1
}
; COST-LABEL: v3i64_select_sle
; COST-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %cmp.1 = icmp sle <3 x i64> %a, %b
; COST-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %s.1 = select <3 x i1> %cmp.1, <3 x i64> %a, <3 x i64> %c
; CODE-LABEL: v3i64_select_sle
; CODE: bb.0
; CODE: ldr
; CODE: mov
; CODE: mov
; CODE: mov
; CODE: cmge
; CODE: cmge
; CODE: bif
; CODE: ext
; CODE: bif
; CODE: ret
define <3 x i64> @v3i64_select_sle(<3 x i64> %a, <3 x i64> %b, <3 x i64> %c) {
%cmp.1 = icmp sle <3 x i64> %a, %b
%s.1 = select <3 x i1> %cmp.1, <3 x i64> %a, <3 x i64> %c
ret <3 x i64> %s.1
}
; COST-LABEL: v2i64_select_no_cmp
; COST-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %s.1 = select <2 x i1> %cond, <2 x i64> %a, <2 x i64> %b
; CODE-LABEL: v2i64_select_no_cmp
; CODE: bb.0
; CODE-NEXT: ushll v{{.+}}.2d, v{{.+}}.2s, #0
; CODE-NEXT: shl v{{.+}}.2d, v{{.+}}.2d, #63
; CODE-NEXT: sshr v{{.+}}.2d, v{{.+}}.2d, #63
; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
; CODE-NEXT: ret
define <2 x i64> @v2i64_select_no_cmp(<2 x i64> %a, <2 x i64> %b, <2 x i1> %cond) {
%s.1 = select <2 x i1> %cond, <2 x i64> %a, <2 x i64> %b
ret <2 x i64> %s.1
}
|
