-
Notifications
You must be signed in to change notification settings - Fork 10.8k
/
shuffle-vs-trunc-512.ll
229 lines (216 loc) · 8.79 KB
/
shuffle-vs-trunc-512.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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX512 --check-prefix=AVX512F
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl | FileCheck %s --check-prefix=AVX512 --check-prefix=AVX512VL
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefix=AVX512 --check-prefix=AVX512BW
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl | FileCheck %s --check-prefix=AVX512 --check-prefix=AVX512BWVL
; PR31551
; Pairs of shufflevector:trunc functions with functional equivalence.
; Ideally, the shuffles should be lowered to code with the same quality as the truncates.
define void @shuffle_v64i8_to_v32i8(<64 x i8>* %L, <32 x i8>* %S) nounwind {
; AVX512F-LABEL: shuffle_v64i8_to_v32i8:
; AVX512F: # BB#0:
; AVX512F-NEXT: vpmovsxwd (%rdi), %zmm0
; AVX512F-NEXT: vpmovdb %zmm0, %xmm0
; AVX512F-NEXT: vpmovsxwd 32(%rdi), %zmm1
; AVX512F-NEXT: vpmovdb %zmm1, %xmm1
; AVX512F-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0
; AVX512F-NEXT: vmovdqa %ymm0, (%rsi)
; AVX512F-NEXT: vzeroupper
; AVX512F-NEXT: retq
;
; AVX512VL-LABEL: shuffle_v64i8_to_v32i8:
; AVX512VL: # BB#0:
; AVX512VL-NEXT: vpmovsxwd (%rdi), %zmm0
; AVX512VL-NEXT: vpmovdb %zmm0, %xmm0
; AVX512VL-NEXT: vpmovsxwd 32(%rdi), %zmm1
; AVX512VL-NEXT: vpmovdb %zmm1, %xmm1
; AVX512VL-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0
; AVX512VL-NEXT: vmovdqa %ymm0, (%rsi)
; AVX512VL-NEXT: vzeroupper
; AVX512VL-NEXT: retq
;
; AVX512BW-LABEL: shuffle_v64i8_to_v32i8:
; AVX512BW: # BB#0:
; AVX512BW-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512BW-NEXT: vpmovwb %zmm0, (%rsi)
; AVX512BW-NEXT: vzeroupper
; AVX512BW-NEXT: retq
;
; AVX512BWVL-LABEL: shuffle_v64i8_to_v32i8:
; AVX512BWVL: # BB#0:
; AVX512BWVL-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512BWVL-NEXT: vpmovwb %zmm0, (%rsi)
; AVX512BWVL-NEXT: vzeroupper
; AVX512BWVL-NEXT: retq
%vec = load <64 x i8>, <64 x i8>* %L
%strided.vec = shufflevector <64 x i8> %vec, <64 x i8> undef, <32 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30, i32 32, i32 34, i32 36, i32 38, i32 40, i32 42, i32 44, i32 46, i32 48, i32 50, i32 52, i32 54, i32 56, i32 58, i32 60, i32 62>
store <32 x i8> %strided.vec, <32 x i8>* %S
ret void
}
define void @trunc_v32i16_to_v32i8(<64 x i8>* %L, <32 x i8>* %S) nounwind {
; AVX512F-LABEL: trunc_v32i16_to_v32i8:
; AVX512F: # BB#0:
; AVX512F-NEXT: vpmovsxwd (%rdi), %zmm0
; AVX512F-NEXT: vpmovdb %zmm0, %xmm0
; AVX512F-NEXT: vpmovsxwd 32(%rdi), %zmm1
; AVX512F-NEXT: vpmovdb %zmm1, %xmm1
; AVX512F-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0
; AVX512F-NEXT: vmovdqa %ymm0, (%rsi)
; AVX512F-NEXT: vzeroupper
; AVX512F-NEXT: retq
;
; AVX512VL-LABEL: trunc_v32i16_to_v32i8:
; AVX512VL: # BB#0:
; AVX512VL-NEXT: vpmovsxwd (%rdi), %zmm0
; AVX512VL-NEXT: vpmovdb %zmm0, %xmm0
; AVX512VL-NEXT: vpmovsxwd 32(%rdi), %zmm1
; AVX512VL-NEXT: vpmovdb %zmm1, %xmm1
; AVX512VL-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0
; AVX512VL-NEXT: vmovdqa %ymm0, (%rsi)
; AVX512VL-NEXT: vzeroupper
; AVX512VL-NEXT: retq
;
; AVX512BW-LABEL: trunc_v32i16_to_v32i8:
; AVX512BW: # BB#0:
; AVX512BW-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512BW-NEXT: vpmovwb %zmm0, (%rsi)
; AVX512BW-NEXT: vzeroupper
; AVX512BW-NEXT: retq
;
; AVX512BWVL-LABEL: trunc_v32i16_to_v32i8:
; AVX512BWVL: # BB#0:
; AVX512BWVL-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512BWVL-NEXT: vpmovwb %zmm0, (%rsi)
; AVX512BWVL-NEXT: vzeroupper
; AVX512BWVL-NEXT: retq
%vec = load <64 x i8>, <64 x i8>* %L
%bc = bitcast <64 x i8> %vec to <32 x i16>
%strided.vec = trunc <32 x i16> %bc to <32 x i8>
store <32 x i8> %strided.vec, <32 x i8>* %S
ret void
}
define void @shuffle_v32i16_to_v16i16(<32 x i16>* %L, <16 x i16>* %S) nounwind {
; AVX512-LABEL: shuffle_v32i16_to_v16i16:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa32 (%rdi), %zmm0
; AVX512-NEXT: vpmovdw %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <32 x i16>, <32 x i16>* %L
%strided.vec = shufflevector <32 x i16> %vec, <32 x i16> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
store <16 x i16> %strided.vec, <16 x i16>* %S
ret void
}
define void @trunc_v16i32_to_v16i16(<32 x i16>* %L, <16 x i16>* %S) nounwind {
; AVX512-LABEL: trunc_v16i32_to_v16i16:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa32 (%rdi), %zmm0
; AVX512-NEXT: vpmovdw %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <32 x i16>, <32 x i16>* %L
%bc = bitcast <32 x i16> %vec to <16 x i32>
%strided.vec = trunc <16 x i32> %bc to <16 x i16>
store <16 x i16> %strided.vec, <16 x i16>* %S
ret void
}
define void @shuffle_v16i32_to_v8i32(<16 x i32>* %L, <8 x i32>* %S) nounwind {
; AVX512-LABEL: shuffle_v16i32_to_v8i32:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512-NEXT: vpmovqd %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <16 x i32>, <16 x i32>* %L
%strided.vec = shufflevector <16 x i32> %vec, <16 x i32> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
store <8 x i32> %strided.vec, <8 x i32>* %S
ret void
}
define void @trunc_v8i64_to_v8i32(<16 x i32>* %L, <8 x i32>* %S) nounwind {
; AVX512-LABEL: trunc_v8i64_to_v8i32:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512-NEXT: vpmovqd %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <16 x i32>, <16 x i32>* %L
%bc = bitcast <16 x i32> %vec to <8 x i64>
%strided.vec = trunc <8 x i64> %bc to <8 x i32>
store <8 x i32> %strided.vec, <8 x i32>* %S
ret void
}
define void @shuffle_v64i8_to_v16i8(<64 x i8>* %L, <16 x i8>* %S) nounwind {
; AVX512-LABEL: shuffle_v64i8_to_v16i8:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa32 (%rdi), %zmm0
; AVX512-NEXT: vpmovdb %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <64 x i8>, <64 x i8>* %L
%strided.vec = shufflevector <64 x i8> %vec, <64 x i8> undef, <16 x i32> <i32 0, i32 4, i32 8, i32 12, i32 16, i32 20, i32 24, i32 28, i32 32, i32 36, i32 40, i32 44, i32 48, i32 52, i32 56, i32 60>
store <16 x i8> %strided.vec, <16 x i8>* %S
ret void
}
define void @trunc_v16i32_to_v16i8(<64 x i8>* %L, <16 x i8>* %S) nounwind {
; AVX512-LABEL: trunc_v16i32_to_v16i8:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa32 (%rdi), %zmm0
; AVX512-NEXT: vpmovdb %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <64 x i8>, <64 x i8>* %L
%bc = bitcast <64 x i8> %vec to <16 x i32>
%strided.vec = trunc <16 x i32> %bc to <16 x i8>
store <16 x i8> %strided.vec, <16 x i8>* %S
ret void
}
define void @shuffle_v32i16_to_v8i16(<32 x i16>* %L, <8 x i16>* %S) nounwind {
; AVX512-LABEL: shuffle_v32i16_to_v8i16:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512-NEXT: vpmovqw %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <32 x i16>, <32 x i16>* %L
%strided.vec = shufflevector <32 x i16> %vec, <32 x i16> undef, <8 x i32> <i32 0, i32 4, i32 8, i32 12, i32 16, i32 20, i32 24, i32 28>
store <8 x i16> %strided.vec, <8 x i16>* %S
ret void
}
define void @trunc_v8i64_to_v8i16(<32 x i16>* %L, <8 x i16>* %S) nounwind {
; AVX512-LABEL: trunc_v8i64_to_v8i16:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512-NEXT: vpmovqw %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <32 x i16>, <32 x i16>* %L
%bc = bitcast <32 x i16> %vec to <8 x i64>
%strided.vec = trunc <8 x i64> %bc to <8 x i16>
store <8 x i16> %strided.vec, <8 x i16>* %S
ret void
}
define void @shuffle_v64i8_to_v8i8(<64 x i8>* %L, <8 x i8>* %S) nounwind {
; AVX512-LABEL: shuffle_v64i8_to_v8i8:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512-NEXT: vpmovqb %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <64 x i8>, <64 x i8>* %L
%strided.vec = shufflevector <64 x i8> %vec, <64 x i8> undef, <8 x i32> <i32 0, i32 8, i32 16, i32 24, i32 32, i32 40, i32 48, i32 56>
store <8 x i8> %strided.vec, <8 x i8>* %S
ret void
}
define void @trunc_v8i64_to_v8i8(<64 x i8>* %L, <8 x i8>* %S) nounwind {
; AVX512-LABEL: trunc_v8i64_to_v8i8:
; AVX512: # BB#0:
; AVX512-NEXT: vmovdqa64 (%rdi), %zmm0
; AVX512-NEXT: vpmovqb %zmm0, (%rsi)
; AVX512-NEXT: vzeroupper
; AVX512-NEXT: retq
%vec = load <64 x i8>, <64 x i8>* %L
%bc = bitcast <64 x i8> %vec to <8 x i64>
%strided.vec = trunc <8 x i64> %bc to <8 x i8>
store <8 x i8> %strided.vec, <8 x i8>* %S
ret void
}