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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=cortex-a57 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s
; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=cortex-a75 -S %s | FileCheck --check-prefix=INTERLEAVE-2 %s
; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-m1 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s
; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-a14 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s
; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-a15 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s
; RUN: opt -passes=loop-vectorize -mtriple=arm64-apple-macos -mcpu=apple-a16 -S %s | FileCheck --check-prefix=INTERLEAVE-4 %s
; Tests for selecting interleave counts for loops with loads and stores.
define void @interleave_single_load_store(ptr %src, ptr %dst, i64 %N, i8 %a, i8 %b) {
; INTERLEAVE-4-LABEL: @interleave_single_load_store(
; INTERLEAVE-4-NEXT: iter.check:
; INTERLEAVE-4-NEXT: [[SRC2:%.*]] = ptrtoint ptr [[SRC:%.*]] to i64
; INTERLEAVE-4-NEXT: [[DST1:%.*]] = ptrtoint ptr [[DST:%.*]] to i64
; INTERLEAVE-4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
; INTERLEAVE-4-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
; INTERLEAVE-4: vector.memcheck:
; INTERLEAVE-4-NEXT: [[TMP0:%.*]] = sub i64 [[DST1]], [[SRC2]]
; INTERLEAVE-4-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i64 [[TMP0]], 64
; INTERLEAVE-4-NEXT: br i1 [[DIFF_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
; INTERLEAVE-4: vector.main.loop.iter.check:
; INTERLEAVE-4-NEXT: [[MIN_ITERS_CHECK3:%.*]] = icmp ult i64 [[N]], 64
; INTERLEAVE-4-NEXT: br i1 [[MIN_ITERS_CHECK3]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
; INTERLEAVE-4: vector.ph:
; INTERLEAVE-4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 64
; INTERLEAVE-4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i8> poison, i8 [[B:%.*]], i64 0
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT]], <16 x i8> poison, <16 x i32> zeroinitializer
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <16 x i8> poison, i8 [[A:%.*]], i64 0
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT8:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT7]], <16 x i8> poison, <16 x i32> zeroinitializer
; INTERLEAVE-4-NEXT: br label [[VECTOR_BODY:%.*]]
; INTERLEAVE-4: vector.body:
; INTERLEAVE-4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; INTERLEAVE-4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
; INTERLEAVE-4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 16
; INTERLEAVE-4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 32
; INTERLEAVE-4-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 48
; INTERLEAVE-4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP1]]
; INTERLEAVE-4-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP2]]
; INTERLEAVE-4-NEXT: [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP3]]
; INTERLEAVE-4-NEXT: [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP4]]
; INTERLEAVE-4-NEXT: [[TMP9:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 0
; INTERLEAVE-4-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 16
; INTERLEAVE-4-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 32
; INTERLEAVE-4-NEXT: [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[TMP5]], i32 48
; INTERLEAVE-4-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP9]], align 1
; INTERLEAVE-4-NEXT: [[WIDE_LOAD4:%.*]] = load <16 x i8>, ptr [[TMP10]], align 1
; INTERLEAVE-4-NEXT: [[WIDE_LOAD5:%.*]] = load <16 x i8>, ptr [[TMP11]], align 1
; INTERLEAVE-4-NEXT: [[WIDE_LOAD6:%.*]] = load <16 x i8>, ptr [[TMP12]], align 1
; INTERLEAVE-4-NEXT: [[TMP13:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
; INTERLEAVE-4-NEXT: [[TMP14:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD4]], [[BROADCAST_SPLAT]]
; INTERLEAVE-4-NEXT: [[TMP15:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD5]], [[BROADCAST_SPLAT]]
; INTERLEAVE-4-NEXT: [[TMP16:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD6]], [[BROADCAST_SPLAT]]
; INTERLEAVE-4-NEXT: [[TMP17:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD]], <16 x i8> [[BROADCAST_SPLAT8]])
; INTERLEAVE-4-NEXT: [[TMP18:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD4]], <16 x i8> [[BROADCAST_SPLAT8]])
; INTERLEAVE-4-NEXT: [[TMP19:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD5]], <16 x i8> [[BROADCAST_SPLAT8]])
; INTERLEAVE-4-NEXT: [[TMP20:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD6]], <16 x i8> [[BROADCAST_SPLAT8]])
; INTERLEAVE-4-NEXT: [[TMP21:%.*]] = select <16 x i1> [[TMP13]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP17]]
; INTERLEAVE-4-NEXT: [[TMP22:%.*]] = select <16 x i1> [[TMP14]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP18]]
; INTERLEAVE-4-NEXT: [[TMP23:%.*]] = select <16 x i1> [[TMP15]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP19]]
; INTERLEAVE-4-NEXT: [[TMP24:%.*]] = select <16 x i1> [[TMP16]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP20]]
; INTERLEAVE-4-NEXT: [[TMP25:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP1]]
; INTERLEAVE-4-NEXT: [[TMP26:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP2]]
; INTERLEAVE-4-NEXT: [[TMP27:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP3]]
; INTERLEAVE-4-NEXT: [[TMP28:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP4]]
; INTERLEAVE-4-NEXT: [[TMP29:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 0
; INTERLEAVE-4-NEXT: [[TMP30:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 16
; INTERLEAVE-4-NEXT: [[TMP31:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 32
; INTERLEAVE-4-NEXT: [[TMP32:%.*]] = getelementptr inbounds i8, ptr [[TMP25]], i32 48
; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP21]], ptr [[TMP29]], align 1
; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP22]], ptr [[TMP30]], align 1
; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP23]], ptr [[TMP31]], align 1
; INTERLEAVE-4-NEXT: store <16 x i8> [[TMP24]], ptr [[TMP32]], align 1
; INTERLEAVE-4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 64
; INTERLEAVE-4-NEXT: [[TMP33:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTERLEAVE-4-NEXT: br i1 [[TMP33]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; INTERLEAVE-4: middle.block:
; INTERLEAVE-4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; INTERLEAVE-4-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
; INTERLEAVE-4: vec.epilog.iter.check:
; INTERLEAVE-4-NEXT: [[N_VEC_REMAINING:%.*]] = sub i64 [[N]], [[N_VEC]]
; INTERLEAVE-4-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_VEC_REMAINING]], 8
; INTERLEAVE-4-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]]
; INTERLEAVE-4: vec.epilog.ph:
; INTERLEAVE-4-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; INTERLEAVE-4-NEXT: [[N_MOD_VF9:%.*]] = urem i64 [[N]], 8
; INTERLEAVE-4-NEXT: [[N_VEC10:%.*]] = sub i64 [[N]], [[N_MOD_VF9]]
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <8 x i8> poison, i8 [[B]], i64 0
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT15:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT14]], <8 x i8> poison, <8 x i32> zeroinitializer
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLATINSERT16:%.*]] = insertelement <8 x i8> poison, i8 [[A]], i64 0
; INTERLEAVE-4-NEXT: [[BROADCAST_SPLAT17:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT16]], <8 x i8> poison, <8 x i32> zeroinitializer
; INTERLEAVE-4-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
; INTERLEAVE-4: vec.epilog.vector.body:
; INTERLEAVE-4-NEXT: [[INDEX12:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT18:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; INTERLEAVE-4-NEXT: [[TMP34:%.*]] = add i64 [[INDEX12]], 0
; INTERLEAVE-4-NEXT: [[TMP35:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP34]]
; INTERLEAVE-4-NEXT: [[TMP36:%.*]] = getelementptr inbounds i8, ptr [[TMP35]], i32 0
; INTERLEAVE-4-NEXT: [[WIDE_LOAD13:%.*]] = load <8 x i8>, ptr [[TMP36]], align 1
; INTERLEAVE-4-NEXT: [[TMP37:%.*]] = icmp sgt <8 x i8> [[WIDE_LOAD13]], [[BROADCAST_SPLAT15]]
; INTERLEAVE-4-NEXT: [[TMP38:%.*]] = call <8 x i8> @llvm.smax.v8i8(<8 x i8> [[WIDE_LOAD13]], <8 x i8> [[BROADCAST_SPLAT17]])
; INTERLEAVE-4-NEXT: [[TMP39:%.*]] = select <8 x i1> [[TMP37]], <8 x i8> [[BROADCAST_SPLAT15]], <8 x i8> [[TMP38]]
; INTERLEAVE-4-NEXT: [[TMP40:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP34]]
; INTERLEAVE-4-NEXT: [[TMP41:%.*]] = getelementptr inbounds i8, ptr [[TMP40]], i32 0
; INTERLEAVE-4-NEXT: store <8 x i8> [[TMP39]], ptr [[TMP41]], align 1
; INTERLEAVE-4-NEXT: [[INDEX_NEXT18]] = add nuw i64 [[INDEX12]], 8
; INTERLEAVE-4-NEXT: [[TMP42:%.*]] = icmp eq i64 [[INDEX_NEXT18]], [[N_VEC10]]
; INTERLEAVE-4-NEXT: br i1 [[TMP42]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; INTERLEAVE-4: vec.epilog.middle.block:
; INTERLEAVE-4-NEXT: [[CMP_N11:%.*]] = icmp eq i64 [[N]], [[N_VEC10]]
; INTERLEAVE-4-NEXT: br i1 [[CMP_N11]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; INTERLEAVE-4: vec.epilog.scalar.ph:
; INTERLEAVE-4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC10]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; INTERLEAVE-4-NEXT: br label [[LOOP:%.*]]
; INTERLEAVE-4: loop:
; INTERLEAVE-4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; INTERLEAVE-4-NEXT: [[GEP_SRC:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[IV]]
; INTERLEAVE-4-NEXT: [[L:%.*]] = load i8, ptr [[GEP_SRC]], align 1
; INTERLEAVE-4-NEXT: [[CMP:%.*]] = icmp sgt i8 [[L]], [[B]]
; INTERLEAVE-4-NEXT: [[MAX:%.*]] = tail call i8 @llvm.smax.i8(i8 [[L]], i8 [[A]])
; INTERLEAVE-4-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i8 [[B]], i8 [[MAX]]
; INTERLEAVE-4-NEXT: [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]]
; INTERLEAVE-4-NEXT: store i8 [[SEL]], ptr [[GEP_DST]], align 1
; INTERLEAVE-4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; INTERLEAVE-4-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; INTERLEAVE-4-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP4:![0-9]+]]
; INTERLEAVE-4: exit:
; INTERLEAVE-4-NEXT: ret void
;
; INTERLEAVE-2-LABEL: @interleave_single_load_store(
; INTERLEAVE-2-NEXT: iter.check:
; INTERLEAVE-2-NEXT: [[SRC2:%.*]] = ptrtoint ptr [[SRC:%.*]] to i64
; INTERLEAVE-2-NEXT: [[DST1:%.*]] = ptrtoint ptr [[DST:%.*]] to i64
; INTERLEAVE-2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
; INTERLEAVE-2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
; INTERLEAVE-2: vector.memcheck:
; INTERLEAVE-2-NEXT: [[TMP0:%.*]] = sub i64 [[DST1]], [[SRC2]]
; INTERLEAVE-2-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i64 [[TMP0]], 32
; INTERLEAVE-2-NEXT: br i1 [[DIFF_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
; INTERLEAVE-2: vector.main.loop.iter.check:
; INTERLEAVE-2-NEXT: [[MIN_ITERS_CHECK3:%.*]] = icmp ult i64 [[N]], 32
; INTERLEAVE-2-NEXT: br i1 [[MIN_ITERS_CHECK3]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
; INTERLEAVE-2: vector.ph:
; INTERLEAVE-2-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 32
; INTERLEAVE-2-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i8> poison, i8 [[B:%.*]], i64 0
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT]], <16 x i8> poison, <16 x i32> zeroinitializer
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <16 x i8> poison, i8 [[A:%.*]], i64 0
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT6:%.*]] = shufflevector <16 x i8> [[BROADCAST_SPLATINSERT5]], <16 x i8> poison, <16 x i32> zeroinitializer
; INTERLEAVE-2-NEXT: br label [[VECTOR_BODY:%.*]]
; INTERLEAVE-2: vector.body:
; INTERLEAVE-2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; INTERLEAVE-2-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
; INTERLEAVE-2-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 16
; INTERLEAVE-2-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP1]]
; INTERLEAVE-2-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP2]]
; INTERLEAVE-2-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 0
; INTERLEAVE-2-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i32 16
; INTERLEAVE-2-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP5]], align 1
; INTERLEAVE-2-NEXT: [[WIDE_LOAD4:%.*]] = load <16 x i8>, ptr [[TMP6]], align 1
; INTERLEAVE-2-NEXT: [[TMP7:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
; INTERLEAVE-2-NEXT: [[TMP8:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD4]], [[BROADCAST_SPLAT]]
; INTERLEAVE-2-NEXT: [[TMP9:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD]], <16 x i8> [[BROADCAST_SPLAT6]])
; INTERLEAVE-2-NEXT: [[TMP10:%.*]] = call <16 x i8> @llvm.smax.v16i8(<16 x i8> [[WIDE_LOAD4]], <16 x i8> [[BROADCAST_SPLAT6]])
; INTERLEAVE-2-NEXT: [[TMP11:%.*]] = select <16 x i1> [[TMP7]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP9]]
; INTERLEAVE-2-NEXT: [[TMP12:%.*]] = select <16 x i1> [[TMP8]], <16 x i8> [[BROADCAST_SPLAT]], <16 x i8> [[TMP10]]
; INTERLEAVE-2-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP1]]
; INTERLEAVE-2-NEXT: [[TMP14:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP2]]
; INTERLEAVE-2-NEXT: [[TMP15:%.*]] = getelementptr inbounds i8, ptr [[TMP13]], i32 0
; INTERLEAVE-2-NEXT: [[TMP16:%.*]] = getelementptr inbounds i8, ptr [[TMP13]], i32 16
; INTERLEAVE-2-NEXT: store <16 x i8> [[TMP11]], ptr [[TMP15]], align 1
; INTERLEAVE-2-NEXT: store <16 x i8> [[TMP12]], ptr [[TMP16]], align 1
; INTERLEAVE-2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32
; INTERLEAVE-2-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTERLEAVE-2-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; INTERLEAVE-2: middle.block:
; INTERLEAVE-2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; INTERLEAVE-2-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
; INTERLEAVE-2: vec.epilog.iter.check:
; INTERLEAVE-2-NEXT: [[N_VEC_REMAINING:%.*]] = sub i64 [[N]], [[N_VEC]]
; INTERLEAVE-2-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_VEC_REMAINING]], 8
; INTERLEAVE-2-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH]], label [[VEC_EPILOG_PH]]
; INTERLEAVE-2: vec.epilog.ph:
; INTERLEAVE-2-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; INTERLEAVE-2-NEXT: [[N_MOD_VF7:%.*]] = urem i64 [[N]], 8
; INTERLEAVE-2-NEXT: [[N_VEC8:%.*]] = sub i64 [[N]], [[N_MOD_VF7]]
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT12:%.*]] = insertelement <8 x i8> poison, i8 [[B]], i64 0
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT13:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT12]], <8 x i8> poison, <8 x i32> zeroinitializer
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <8 x i8> poison, i8 [[A]], i64 0
; INTERLEAVE-2-NEXT: [[BROADCAST_SPLAT15:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT14]], <8 x i8> poison, <8 x i32> zeroinitializer
; INTERLEAVE-2-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
; INTERLEAVE-2: vec.epilog.vector.body:
; INTERLEAVE-2-NEXT: [[INDEX10:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT16:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; INTERLEAVE-2-NEXT: [[TMP18:%.*]] = add i64 [[INDEX10]], 0
; INTERLEAVE-2-NEXT: [[TMP19:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[TMP18]]
; INTERLEAVE-2-NEXT: [[TMP20:%.*]] = getelementptr inbounds i8, ptr [[TMP19]], i32 0
; INTERLEAVE-2-NEXT: [[WIDE_LOAD11:%.*]] = load <8 x i8>, ptr [[TMP20]], align 1
; INTERLEAVE-2-NEXT: [[TMP21:%.*]] = icmp sgt <8 x i8> [[WIDE_LOAD11]], [[BROADCAST_SPLAT13]]
; INTERLEAVE-2-NEXT: [[TMP22:%.*]] = call <8 x i8> @llvm.smax.v8i8(<8 x i8> [[WIDE_LOAD11]], <8 x i8> [[BROADCAST_SPLAT15]])
; INTERLEAVE-2-NEXT: [[TMP23:%.*]] = select <8 x i1> [[TMP21]], <8 x i8> [[BROADCAST_SPLAT13]], <8 x i8> [[TMP22]]
; INTERLEAVE-2-NEXT: [[TMP24:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP18]]
; INTERLEAVE-2-NEXT: [[TMP25:%.*]] = getelementptr inbounds i8, ptr [[TMP24]], i32 0
; INTERLEAVE-2-NEXT: store <8 x i8> [[TMP23]], ptr [[TMP25]], align 1
; INTERLEAVE-2-NEXT: [[INDEX_NEXT16]] = add nuw i64 [[INDEX10]], 8
; INTERLEAVE-2-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT16]], [[N_VEC8]]
; INTERLEAVE-2-NEXT: br i1 [[TMP26]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; INTERLEAVE-2: vec.epilog.middle.block:
; INTERLEAVE-2-NEXT: [[CMP_N9:%.*]] = icmp eq i64 [[N]], [[N_VEC8]]
; INTERLEAVE-2-NEXT: br i1 [[CMP_N9]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; INTERLEAVE-2: vec.epilog.scalar.ph:
; INTERLEAVE-2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC8]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; INTERLEAVE-2-NEXT: br label [[LOOP:%.*]]
; INTERLEAVE-2: loop:
; INTERLEAVE-2-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; INTERLEAVE-2-NEXT: [[GEP_SRC:%.*]] = getelementptr inbounds i8, ptr [[SRC]], i64 [[IV]]
; INTERLEAVE-2-NEXT: [[L:%.*]] = load i8, ptr [[GEP_SRC]], align 1
; INTERLEAVE-2-NEXT: [[CMP:%.*]] = icmp sgt i8 [[L]], [[B]]
; INTERLEAVE-2-NEXT: [[MAX:%.*]] = tail call i8 @llvm.smax.i8(i8 [[L]], i8 [[A]])
; INTERLEAVE-2-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i8 [[B]], i8 [[MAX]]
; INTERLEAVE-2-NEXT: [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]]
; INTERLEAVE-2-NEXT: store i8 [[SEL]], ptr [[GEP_DST]], align 1
; INTERLEAVE-2-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; INTERLEAVE-2-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; INTERLEAVE-2-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP4:![0-9]+]]
; INTERLEAVE-2: exit:
; INTERLEAVE-2-NEXT: ret void
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop]
%gep.src = getelementptr inbounds i8, ptr %src, i64 %iv
%l = load i8, ptr %gep.src, align 1
%cmp = icmp sgt i8 %l, %b
%max = tail call i8 @llvm.smax.i8(i8 %l, i8 %a)
%sel = select i1 %cmp, i8 %b, i8 %max
%gep.dst = getelementptr inbounds i8, ptr %dst, i64 %iv
store i8 %sel, ptr %gep.dst, align 1
%iv.next = add nuw nsw i64 %iv, 1
%ec = icmp eq i64 %iv.next, %N
br i1 %ec, label %exit, label %loop
exit:
ret void
}
declare i8 @llvm.smax.i8(i8, i8)
|
