1 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -dce -instcombine -S | FileCheck %s
2 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=2 -dce -instcombine -S | FileCheck %s --check-prefix=UNROLL
3 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=2 -S | FileCheck %s --check-prefix=UNROLL-NO-IC
4 ; RUN: opt < %s -loop-vectorize -force-vector-width=1 -force-vector-interleave=2 -S | FileCheck %s --check-prefix=UNROLL-NO-VF
5 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S | FileCheck %s --check-prefix=SINK-AFTER
6 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S | FileCheck %s --check-prefix=NO-SINK-AFTER
8 target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
10 ; void recurrence_1(int *a, int *b, int n) {
11 ; for(int i = 0; i < n; i++)
12 ; b[i] = a[i] + a[i - 1]
15 ; CHECK-LABEL: @recurrence_1(
17 ; CHECK: %vector.recur.init = insertelement <4 x i32> poison, i32 %pre_load, i32 3
19 ; CHECK: %vector.recur = phi <4 x i32> [ %vector.recur.init, %vector.ph ], [ [[L1:%[a-zA-Z0-9.]+]], %vector.body ]
20 ; CHECK: [[L1]] = load <4 x i32>
21 ; CHECK: {{.*}} = shufflevector <4 x i32> %vector.recur, <4 x i32> [[L1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
22 ; CHECK: middle.block:
23 ; CHECK: %vector.recur.extract = extractelement <4 x i32> [[L1]], i32 3
25 ; CHECK: %scalar.recur.init = phi i32 [ %pre_load, %vector.memcheck ], [ %pre_load, %for.preheader ], [ %vector.recur.extract, %middle.block ]
27 ; CHECK: %scalar.recur = phi i32 [ %scalar.recur.init, %scalar.ph ], [ {{.*}}, %scalar.body ]
29 ; UNROLL-LABEL: @recurrence_1(
30 ; UNROLL: vector.body:
31 ; UNROLL: %vector.recur = phi <4 x i32> [ %vector.recur.init, %vector.ph ], [ [[L2:%[a-zA-Z0-9.]+]], %vector.body ]
32 ; UNROLL: [[L1:%[a-zA-Z0-9.]+]] = load <4 x i32>
33 ; UNROLL: [[L2]] = load <4 x i32>
34 ; UNROLL: {{.*}} = shufflevector <4 x i32> %vector.recur, <4 x i32> [[L1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
35 ; UNROLL: {{.*}} = shufflevector <4 x i32> [[L1]], <4 x i32> [[L2]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
36 ; UNROLL: middle.block:
37 ; UNROLL: %vector.recur.extract = extractelement <4 x i32> [[L2]], i32 3
39 define void @recurrence_1(i32* nocapture readonly %a, i32* nocapture %b, i32 %n) {
41 br label %for.preheader
44 %arrayidx.phi.trans.insert = getelementptr inbounds i32, i32* %a, i64 0
45 %pre_load = load i32, i32* %arrayidx.phi.trans.insert
49 %0 = phi i32 [ %pre_load, %for.preheader ], [ %1, %scalar.body ]
50 %indvars.iv = phi i64 [ 0, %for.preheader ], [ %indvars.iv.next, %scalar.body ]
51 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
52 %arrayidx32 = getelementptr inbounds i32, i32* %a, i64 %indvars.iv.next
53 %1 = load i32, i32* %arrayidx32
54 %arrayidx34 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
55 %add35 = add i32 %1, %0
56 store i32 %add35, i32* %arrayidx34
57 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
58 %exitcond = icmp eq i32 %lftr.wideiv, %n
59 br i1 %exitcond, label %for.exit, label %scalar.body
65 ; int recurrence_2(int *a, int n) {
67 ; for (int i = 0; i < n; ++i)
68 ; minmax = min(minmax, max(a[i] - a[i-1], 0));
72 ; CHECK-LABEL: @recurrence_2(
74 ; CHECK: %vector.recur.init = insertelement <4 x i32> poison, i32 %.pre, i32 3
76 ; CHECK: %vector.recur = phi <4 x i32> [ %vector.recur.init, %vector.ph ], [ [[L1:%[a-zA-Z0-9.]+]], %vector.body ]
77 ; CHECK: [[L1]] = load <4 x i32>
78 ; CHECK: {{.*}} = shufflevector <4 x i32> %vector.recur, <4 x i32> [[L1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
79 ; CHECK: middle.block:
80 ; CHECK: %vector.recur.extract = extractelement <4 x i32> [[L1]], i32 3
82 ; CHECK: %scalar.recur.init = phi i32 [ %.pre, %for.preheader ], [ %vector.recur.extract, %middle.block ]
84 ; CHECK: %scalar.recur = phi i32 [ %scalar.recur.init, %scalar.ph ], [ {{.*}}, %scalar.body ]
86 ; UNROLL-LABEL: @recurrence_2(
87 ; UNROLL: vector.body:
88 ; UNROLL: %vector.recur = phi <4 x i32> [ %vector.recur.init, %vector.ph ], [ [[L2:%[a-zA-Z0-9.]+]], %vector.body ]
89 ; UNROLL: [[L1:%[a-zA-Z0-9.]+]] = load <4 x i32>
90 ; UNROLL: [[L2]] = load <4 x i32>
91 ; UNROLL: {{.*}} = shufflevector <4 x i32> %vector.recur, <4 x i32> [[L1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
92 ; UNROLL: {{.*}} = shufflevector <4 x i32> [[L1]], <4 x i32> [[L2]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
93 ; UNROLL: middle.block:
94 ; UNROLL: %vector.recur.extract = extractelement <4 x i32> [[L2]], i32 3
96 define i32 @recurrence_2(i32* nocapture readonly %a, i32 %n) {
98 %cmp27 = icmp sgt i32 %n, 0
99 br i1 %cmp27, label %for.preheader, label %for.cond.cleanup
102 %arrayidx2.phi.trans.insert = getelementptr inbounds i32, i32* %a, i64 -1
103 %.pre = load i32, i32* %arrayidx2.phi.trans.insert, align 4
104 br label %scalar.body
106 for.cond.cleanup.loopexit:
107 %minmax.0.cond.lcssa = phi i32 [ %minmax.0.cond, %scalar.body ]
108 br label %for.cond.cleanup
111 %minmax.0.lcssa = phi i32 [ poison, %entry ], [ %minmax.0.cond.lcssa, %for.cond.cleanup.loopexit ]
112 ret i32 %minmax.0.lcssa
115 %0 = phi i32 [ %.pre, %for.preheader ], [ %1, %scalar.body ]
116 %indvars.iv = phi i64 [ 0, %for.preheader ], [ %indvars.iv.next, %scalar.body ]
117 %minmax.028 = phi i32 [ poison, %for.preheader ], [ %minmax.0.cond, %scalar.body ]
118 %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
119 %1 = load i32, i32* %arrayidx, align 4
120 %sub3 = sub nsw i32 %1, %0
121 %cmp4 = icmp sgt i32 %sub3, 0
122 %cond = select i1 %cmp4, i32 %sub3, i32 0
123 %cmp5 = icmp slt i32 %minmax.028, %cond
124 %minmax.0.cond = select i1 %cmp5, i32 %minmax.028, i32 %cond
125 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
126 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
127 %exitcond = icmp eq i32 %lftr.wideiv, %n
128 br i1 %exitcond, label %for.cond.cleanup.loopexit, label %scalar.body
131 ; void recurrence_3(short *a, double *b, int n, float f, short p) {
132 ; b[0] = (double)a[0] - f * (double)p;
133 ; for (int i = 1; i < n; i++)
134 ; b[i] = (double)a[i] - f * (double)a[i - 1];
137 ; CHECK-LABEL: @recurrence_3(
139 ; CHECK: %vector.recur.init = insertelement <4 x i16> poison, i16 %0, i32 3
140 ; CHECK: vector.body:
141 ; CHECK: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ [[L1:%[a-zA-Z0-9.]+]], %vector.body ]
142 ; CHECK: [[L1]] = load <4 x i16>
143 ; CHECK: [[SHUF:%[a-zA-Z0-9.]+]] = shufflevector <4 x i16> %vector.recur, <4 x i16> [[L1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
144 ; Check also that the casts were not moved needlessly.
145 ; CHECK: sitofp <4 x i16> [[L1]] to <4 x double>
146 ; CHECK: sitofp <4 x i16> [[SHUF]] to <4 x double>
147 ; CHECK: middle.block:
148 ; CHECK: %vector.recur.extract = extractelement <4 x i16> [[L1]], i32 3
150 ; CHECK: %scalar.recur.init = phi i16 [ %0, %vector.memcheck ], [ %0, %for.preheader ], [ %vector.recur.extract, %middle.block ]
151 ; CHECK: scalar.body:
152 ; CHECK: %scalar.recur = phi i16 [ %scalar.recur.init, %scalar.ph ], [ {{.*}}, %scalar.body ]
154 ; UNROLL-LABEL: @recurrence_3(
155 ; UNROLL: vector.body:
156 ; UNROLL: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ [[L2:%[a-zA-Z0-9.]+]], %vector.body ]
157 ; UNROLL: [[L1:%[a-zA-Z0-9.]+]] = load <4 x i16>
158 ; UNROLL: [[L2]] = load <4 x i16>
159 ; UNROLL: {{.*}} = shufflevector <4 x i16> %vector.recur, <4 x i16> [[L1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
160 ; UNROLL: {{.*}} = shufflevector <4 x i16> [[L1]], <4 x i16> [[L2]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
161 ; UNROLL: middle.block:
162 ; UNROLL: %vector.recur.extract = extractelement <4 x i16> [[L2]], i32 3
164 define void @recurrence_3(i16* nocapture readonly %a, double* nocapture %b, i32 %n, float %f, i16 %p) {
166 %0 = load i16, i16* %a, align 2
167 %conv = sitofp i16 %0 to double
168 %conv1 = fpext float %f to double
169 %conv2 = sitofp i16 %p to double
170 %mul = fmul fast double %conv2, %conv1
171 %sub = fsub fast double %conv, %mul
172 store double %sub, double* %b, align 8
173 %cmp25 = icmp sgt i32 %n, 1
174 br i1 %cmp25, label %for.preheader, label %for.end
177 br label %scalar.body
180 %1 = phi i16 [ %0, %for.preheader ], [ %2, %scalar.body ]
181 %advars.iv = phi i64 [ %advars.iv.next, %scalar.body ], [ 1, %for.preheader ]
182 %arrayidx5 = getelementptr inbounds i16, i16* %a, i64 %advars.iv
183 %2 = load i16, i16* %arrayidx5, align 2
184 %conv6 = sitofp i16 %2 to double
185 %conv11 = sitofp i16 %1 to double
186 %mul12 = fmul fast double %conv11, %conv1
187 %sub13 = fsub fast double %conv6, %mul12
188 %arrayidx15 = getelementptr inbounds double, double* %b, i64 %advars.iv
189 store double %sub13, double* %arrayidx15, align 8
190 %advars.iv.next = add nuw nsw i64 %advars.iv, 1
191 %lftr.wideiv = trunc i64 %advars.iv.next to i32
192 %exitcond = icmp eq i32 %lftr.wideiv, %n
193 br i1 %exitcond, label %for.end.loopexit, label %scalar.body
202 ; void PR26734(short *a, int *b, int *c, int d, short *e) {
203 ; for (; d != 21; d++) {
210 ; CHECK-LABEL: @PR26734(
211 ; CHECK-NOT: vector.ph:
214 define void @PR26734(i16* %a, i32* %b, i32* %c, i32 %d, i16* %e) {
216 %cmp4 = icmp eq i32 %d, 21
217 br i1 %cmp4, label %entry.for.end_crit_edge, label %for.body.lr.ph
219 entry.for.end_crit_edge:
220 %.pre = load i32, i32* %b, align 4
224 %0 = load i16, i16* %a, align 2
225 %sub = add i16 %0, -6
226 %conv2 = sext i16 %sub to i32
227 %c.promoted = load i32, i32* %c, align 4
228 %b.promoted = load i32, i32* %b, align 4
232 %inc7 = phi i32 [ %d, %for.body.lr.ph ], [ %inc, %for.body ]
233 %and6 = phi i32 [ %b.promoted, %for.body.lr.ph ], [ %and, %for.body ]
234 %conv25 = phi i32 [ %c.promoted, %for.body.lr.ph ], [ %conv2, %for.body ]
235 %and = and i32 %and6, %conv25
236 %inc = add nsw i32 %inc7, 1
237 %cmp = icmp eq i32 %inc, 21
238 br i1 %cmp, label %for.cond.for.end_crit_edge, label %for.body
240 for.cond.for.end_crit_edge:
241 %and.lcssa = phi i32 [ %and, %for.body ]
242 store i32 %conv2, i32* %c, align 4
243 store i32 %and.lcssa, i32* %b, align 4
244 store i16 %sub, i16* %e, align 2
253 ; for (int i = 1; i < 49; ++i) {
254 ; for (int k = i; k > 1; --k)
261 ; CHECK-LABEL: @PR27246(
262 ; CHECK-NOT: vector.ph:
265 define i32 @PR27246() {
267 br label %for.cond1.preheader
270 %i.016 = phi i32 [ 1, %entry ], [ %inc, %for.cond.cleanup3 ]
271 %e.015 = phi i32 [ poison, %entry ], [ %e.1.lcssa, %for.cond.cleanup3 ]
275 %e.1.lcssa.lcssa = phi i32 [ %e.1.lcssa, %for.cond.cleanup3 ]
276 ret i32 %e.1.lcssa.lcssa
279 %e.1 = phi i32 [ %k.0, %for.cond1 ], [ %e.015, %for.cond1.preheader ]
280 %k.0 = phi i32 [ %dec, %for.cond1 ], [ %i.016, %for.cond1.preheader ]
281 %cmp2 = icmp sgt i32 %k.0, 1
282 %dec = add nsw i32 %k.0, -1
283 br i1 %cmp2, label %for.cond1, label %for.cond.cleanup3
286 %e.1.lcssa = phi i32 [ %e.1, %for.cond1 ]
287 %inc = add nuw nsw i32 %i.016, 1
288 %exitcond = icmp eq i32 %inc, 49
289 br i1 %exitcond, label %for.cond.cleanup, label %for.cond1.preheader
292 ; UNROLL-NO-IC-LABEL: @PR30183(
293 ; UNROLL-NO-IC: vector.ph:
294 ; UNROLL-NO-IC: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i32> poison, i32 [[PRE_LOAD:%.*]], i32 3
295 ; UNROLL-NO-IC-NEXT: br label %vector.body
296 ; UNROLL-NO-IC: vector.body:
297 ; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
298 ; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ [[VECTOR_RECUR_INIT]], %vector.ph ], [ [[TMP42:%.*]], %vector.body ]
299 ; UNROLL-NO-IC: [[TMP27:%.*]] = load i32, i32* {{.*}}
300 ; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = load i32, i32* {{.*}}
301 ; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = load i32, i32* {{.*}}
302 ; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = load i32, i32* {{.*}}
303 ; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = insertelement <4 x i32> poison, i32 [[TMP27]], i32 0
304 ; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = insertelement <4 x i32> [[TMP35]], i32 [[TMP28]], i32 1
305 ; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP36]], i32 [[TMP29]], i32 2
306 ; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = insertelement <4 x i32> [[TMP37]], i32 [[TMP30]], i32 3
307 ; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = load i32, i32* {{.*}}
308 ; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = load i32, i32* {{.*}}
309 ; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = load i32, i32* {{.*}}
310 ; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = load i32, i32* {{.*}}
311 ; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = insertelement <4 x i32> poison, i32 [[TMP31]], i32 0
312 ; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = insertelement <4 x i32> [[TMP39]], i32 [[TMP32]], i32 1
313 ; UNROLL-NO-IC-NEXT: [[TMP41:%.*]] = insertelement <4 x i32> [[TMP40]], i32 [[TMP33]], i32 2
314 ; UNROLL-NO-IC-NEXT: [[TMP42]] = insertelement <4 x i32> [[TMP41]], i32 [[TMP34]], i32 3
315 ; UNROLL-NO-IC-NEXT: [[TMP43:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP38]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
316 ; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = shufflevector <4 x i32> [[TMP38]], <4 x i32> [[TMP42]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
317 ; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
318 ; UNROLL-NO-IC: br i1 {{.*}}, label %middle.block, label %vector.body
320 define void @PR30183(i32 %pre_load, i32* %a, i32* %b, i64 %n) {
322 br label %scalar.body
325 %i = phi i64 [ 0, %entry ], [ %i.next, %scalar.body ]
326 %tmp0 = phi i32 [ %pre_load, %entry ], [ %tmp2, %scalar.body ]
327 %i.next = add nuw nsw i64 %i, 2
328 %tmp1 = getelementptr inbounds i32, i32* %a, i64 %i.next
329 %tmp2 = load i32, i32* %tmp1
330 %cond = icmp eq i64 %i.next,%n
331 br i1 %cond, label %for.end, label %scalar.body
337 ; UNROLL-NO-IC-LABEL: @constant_folded_previous_value(
338 ; UNROLL-NO-IC: vector.body:
339 ; UNROLL-NO-IC: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 0>, %vector.ph ], [ <i64 1, i64 1, i64 1, i64 1>, %vector.body ]
340 ; UNROLL-NO-IC: [[TMP0:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> <i64 1, i64 1, i64 1, i64 1>, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
341 ; CHECK-NO-IC-NEXT: add nuw i64
342 ; UNROLL-NO-IC: br i1 {{.*}}, label %middle.block, label %vector.body
344 define void @constant_folded_previous_value() {
346 br label %scalar.body
349 %i = phi i64 [ 0, %entry ], [ %i.next, %scalar.body ]
350 %tmp2 = phi i64 [ 0, %entry ], [ %tmp3, %scalar.body ]
352 %i.next = add nuw nsw i64 %i, 1
353 %cond = icmp eq i64 %i.next, undef
354 br i1 %cond, label %for.end, label %scalar.body
360 ; We vectorize this first order recurrence, by generating two
361 ; extracts for the phi `val.phi` - one at the last index and
362 ; another at the second last index. We need these 2 extracts because
363 ; the first order recurrence phi is used outside the loop, so we require the phi
364 ; itself and not its update (addx).
365 ; UNROLL-NO-IC-LABEL: extract_second_last_iteration
366 ; UNROLL-NO-IC: vector.body
367 ; UNROLL-NO-IC: %step.add = add <4 x i32> %vec.ind, <i32 4, i32 4, i32 4, i32 4>
368 ; UNROLL-NO-IC: %[[L1:.+]] = add <4 x i32> %vec.ind, %broadcast.splat
369 ; UNROLL-NO-IC: %[[L2:.+]] = add <4 x i32> %step.add, %broadcast.splat
370 ; UNROLL-NO-IC: %index.next = add nuw i32 %index, 8
371 ; UNROLL-NO-IC: icmp eq i32 %index.next, 96
372 ; UNROLL-NO-IC: middle.block
373 ; UNROLL-NO-IC: icmp eq i32 96, 96
374 ; UNROLL-NO-IC: %vector.recur.extract = extractelement <4 x i32> %[[L2]], i32 3
375 ; UNROLL-NO-IC: %vector.recur.extract.for.phi = extractelement <4 x i32> %[[L2]], i32 2
376 ; UNROLL-NO-IC: for.end
377 ; UNROLL-NO-IC: %val.phi.lcssa = phi i32 [ %scalar.recur, %for.body ], [ %vector.recur.extract.for.phi, %middle.block ]
378 ; Check the case when unrolled but not vectorized.
379 ; UNROLL-NO-VF-LABEL: extract_second_last_iteration
380 ; UNROLL-NO-VF: vector.body:
381 ; UNROLL-NO-VF: %induction = add i32 %index, 0
382 ; UNROLL-NO-VF: %induction1 = add i32 %index, 1
383 ; UNROLL-NO-VF: %[[L1:.+]] = add i32 %induction, %x
384 ; UNROLL-NO-VF: %[[L2:.+]] = add i32 %induction1, %x
385 ; UNROLL-NO-VF: %index.next = add nuw i32 %index, 2
386 ; UNROLL-NO-VF: icmp eq i32 %index.next, 96
387 ; UNROLL-NO-VF: for.end:
388 ; UNROLL-NO-VF: %val.phi.lcssa = phi i32 [ %scalar.recur, %for.body ], [ %[[L1]], %middle.block ]
389 define i32 @extract_second_last_iteration(i32* %cval, i32 %x) {
394 %inc.phi = phi i32 [ 0, %entry ], [ %inc, %for.body ]
395 %val.phi = phi i32 [ 0, %entry ], [ %addx, %for.body ]
396 %inc = add i32 %inc.phi, 1
397 %bc = zext i32 %inc.phi to i64
398 %addx = add i32 %inc.phi, %x
399 %cmp = icmp eq i32 %inc.phi, 95
400 br i1 %cmp, label %for.end, label %for.body
406 ; We vectorize this first order recurrence, with a set of insertelements for
407 ; each unrolled part. Make sure these insertelements are generated in-order,
408 ; because the shuffle of the first order recurrence will be added after the
409 ; insertelement of the last part UF - 1, assuming the latter appears after the
410 ; insertelements of all other parts.
412 ; int PR33613(double *b, double j, int d) {
414 ; for(int i = 0; i < 10240; i++, b+=25) {
415 ; double f = b[d]; // Scalarize to form insertelements
423 ; UNROLL-NO-IC-LABEL: @PR33613(
424 ; UNROLL-NO-IC: vector.body:
425 ; UNROLL-NO-IC: [[VECTOR_RECUR:%.*]] = phi <4 x double>
426 ; UNROLL-NO-IC: shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> {{.*}}, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
427 ; UNROLL-NO-IC-NEXT: shufflevector <4 x double> {{.*}}, <4 x double> {{.*}}, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
428 ; UNROLL-NO-IC-NOT: insertelement <4 x double>
429 ; UNROLL-NO-IC: middle.block:
431 define i32 @PR33613(double* %b, double %j, i32 %d) {
433 %idxprom = sext i32 %d to i64
437 %a.1.lcssa = phi i32 [ %a.1, %for.body ]
441 %b.addr.012 = phi double* [ %b, %entry ], [ %add.ptr, %for.body ]
442 %i.011 = phi i32 [ 0, %entry ], [ %inc1, %for.body ]
443 %a.010 = phi i32 [ 0, %entry ], [ %a.1, %for.body ]
444 %j.addr.09 = phi double [ %j, %entry ], [ %0, %for.body ]
445 %arrayidx = getelementptr inbounds double, double* %b.addr.012, i64 %idxprom
446 %0 = load double, double* %arrayidx, align 8
447 %mul = fmul double %j.addr.09, %0
448 %tobool = fcmp une double %mul, 0.000000e+00
449 %inc = zext i1 %tobool to i32
450 %a.1 = add nsw i32 %a.010, %inc
451 %inc1 = add nuw nsw i32 %i.011, 1
452 %add.ptr = getelementptr inbounds double, double* %b.addr.012, i64 25
453 %exitcond = icmp eq i32 %inc1, 10240
454 br i1 %exitcond, label %for.cond.cleanup, label %for.body
457 ; void sink_after(short *a, int n, int *b) {
458 ; for(int i = 0; i < n; i++)
459 ; b[i] = (a[i] * a[i + 1]);
462 ; SINK-AFTER-LABEL: sink_after
463 ; Check that the sext sank after the load in the vector loop.
464 ; SINK-AFTER: vector.body
465 ; SINK-AFTER: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ %wide.load, %vector.body ]
466 ; SINK-AFTER: %wide.load = load <4 x i16>
467 ; SINK-AFTER: %[[VSHUF:.+]] = shufflevector <4 x i16> %vector.recur, <4 x i16> %wide.load, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
468 ; SINK-AFTER: %[[VCONV:.+]] = sext <4 x i16> %[[VSHUF]] to <4 x i32>
469 ; SINK-AFTER: %[[VCONV3:.+]] = sext <4 x i16> %wide.load to <4 x i32>
470 ; SINK-AFTER: mul nsw <4 x i32> %[[VCONV3]], %[[VCONV]]
472 define void @sink_after(i16* %a, i32* %b, i64 %n) {
474 %.pre = load i16, i16* %a
478 %0 = phi i16 [ %.pre, %entry ], [ %1, %for.body ]
479 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
480 %conv = sext i16 %0 to i32
481 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
482 %arrayidx2 = getelementptr inbounds i16, i16* %a, i64 %indvars.iv.next
483 %1 = load i16, i16* %arrayidx2
484 %conv3 = sext i16 %1 to i32
485 %mul = mul nsw i32 %conv3, %conv
486 %arrayidx5 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
487 store i32 %mul, i32* %arrayidx5
488 %exitcond = icmp eq i64 %indvars.iv.next, %n
489 br i1 %exitcond, label %for.end, label %for.body
495 ; PR34711: given three consecutive instructions such that the first will be
496 ; widened, the second is a cast that will be widened and needs to sink after the
497 ; third, and the third is a first-order-recurring load that will be replicated
498 ; instead of widened. Although the cast and the first instruction will both be
499 ; widened, and are originally adjacent to each other, make sure the replicated
500 ; load ends up appearing between them.
502 ; void PR34711(short[2] *a, int *b, int *c, int n) {
503 ; for(int i = 0; i < n; i++) {
505 ; b[i] = (a[i][0] * a[i][1]);
509 ; SINK-AFTER-LABEL: @PR34711
510 ; Check that the sext sank after the load in the vector loop.
511 ; SINK-AFTER: vector.body
512 ; SINK-AFTER: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ {{.*}}, %vector.body ]
513 ; SINK-AFTER: %[[VSHUF:.+]] = shufflevector <4 x i16> %vector.recur, <4 x i16> %{{.*}}, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
514 ; SINK-AFTER: %[[VCONV:.+]] = sext <4 x i16> %[[VSHUF]] to <4 x i32>
515 ; SINK-AFTER: %[[VCONV3:.+]] = sext <4 x i16> {{.*}} to <4 x i32>
516 ; SINK-AFTER: mul nsw <4 x i32> %[[VCONV3]], %[[VCONV]]
518 define void @PR34711([2 x i16]* %a, i32* %b, i32* %c, i64 %n) {
520 %pre.index = getelementptr inbounds [2 x i16], [2 x i16]* %a, i64 0, i64 0
521 %.pre = load i16, i16* %pre.index
525 %0 = phi i16 [ %.pre, %entry ], [ %1, %for.body ]
526 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
527 %arraycidx = getelementptr inbounds i32, i32* %c, i64 %indvars.iv
528 %cur.index = getelementptr inbounds [2 x i16], [2 x i16]* %a, i64 %indvars.iv, i64 1
529 store i32 7, i32* %arraycidx ; 1st instruction, to be widened.
530 %conv = sext i16 %0 to i32 ; 2nd, cast to sink after third.
531 %1 = load i16, i16* %cur.index ; 3rd, first-order-recurring load not widened.
532 %conv3 = sext i16 %1 to i32
533 %mul = mul nsw i32 %conv3, %conv
534 %arrayidx5 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
535 store i32 %mul, i32* %arrayidx5
536 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
537 %exitcond = icmp eq i64 %indvars.iv.next, %n
538 br i1 %exitcond, label %for.end, label %for.body
544 ; void no_sink_after(short *a, int n, int *b) {
545 ; for(int i = 0; i < n; i++)
546 ; b[i] = ((a[i] + 2) * a[i + 1]);
549 ; SINK-AFTER-LABEL: @sink_after_with_multiple_users
550 ; SINK-AFTER-LABEL: vector.ph:
551 ; SINK-AFTER-NEXT: %n.mod.vf = urem i64 %n, 4
552 ; SINK-AFTER-NEXT: %n.vec = sub i64 %n, %n.mod.vf
553 ; SINK-AFTER-NEXT: %vector.recur.init = insertelement <4 x i16> poison, i16 %.pre, i32 3
554 ; SINK-AFTER-NEXT: br label %vector.body
556 ; SINK-AFTER-LABEL: vector.body:
557 ; SINK-AFTER-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
558 ; SINK-AFTER-NEXT: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ %wide.load, %vector.body ]
559 ; SINK-AFTER-NEXT: %1 = add i64 %index, 0
560 ; SINK-AFTER-NEXT: %2 = add nuw nsw i64 %1, 1
561 ; SINK-AFTER-NEXT: %3 = getelementptr inbounds i16, i16* %a, i64 %2
562 ; SINK-AFTER-NEXT: %4 = getelementptr inbounds i16, i16* %3, i32 0
563 ; SINK-AFTER-NEXT: %5 = bitcast i16* %4 to <4 x i16>*
564 ; SINK-AFTER-NEXT: %wide.load = load <4 x i16>, <4 x i16>* %5, align 2, !alias.scope !43
565 ; SINK-AFTER-NEXT: %6 = shufflevector <4 x i16> %vector.recur, <4 x i16> %wide.load, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
566 ; SINK-AFTER-NEXT: %7 = sext <4 x i16> %6 to <4 x i32>
567 ; SINK-AFTER-NEXT: %8 = add nsw <4 x i32> %7, <i32 2, i32 2, i32 2, i32 2>
568 ; SINK-AFTER-NEXT: %9 = sext <4 x i16> %wide.load to <4 x i32>
569 ; SINK-AFTER-NEXT: %10 = mul nsw <4 x i32> %8, %9
570 ; SINK-AFTER-NEXT: %11 = getelementptr inbounds i32, i32* %b, i64 %1
571 ; SINK-AFTER-NEXT: %12 = getelementptr inbounds i32, i32* %11, i32 0
572 ; SINK-AFTER-NEXT: %13 = bitcast i32* %12 to <4 x i32>*
573 ; SINK-AFTER-NEXT: store <4 x i32> %10, <4 x i32>* %13, align 4, !alias.scope !46, !noalias !43
574 ; SINK-AFTER-NEXT: %index.next = add nuw i64 %index, 4
575 ; SINK-AFTER-NEXT: %14 = icmp eq i64 %index.next, %n.vec
576 ; SINK-AFTER-NEXT: br i1 %14, label %middle.block, label %vector.body, !llvm.loop !48
578 define void @sink_after_with_multiple_users(i16* %a, i32* %b, i64 %n) {
580 %.pre = load i16, i16* %a
584 %0 = phi i16 [ %.pre, %entry ], [ %1, %for.body ]
585 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
586 %conv = sext i16 %0 to i32
587 %add = add nsw i32 %conv, 2
588 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
589 %arrayidx2 = getelementptr inbounds i16, i16* %a, i64 %indvars.iv.next
590 %1 = load i16, i16* %arrayidx2
591 %conv3 = sext i16 %1 to i32
592 %mul = mul nsw i32 %add, %conv3
593 %arrayidx5 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
594 store i32 %mul, i32* %arrayidx5
595 %exitcond = icmp eq i64 %indvars.iv.next, %n
596 br i1 %exitcond, label %for.end, label %for.body
602 ; Do not sink branches: While branches are if-converted and do not require
603 ; sinking, instructions with side effects (e.g. loads) conditioned by those
604 ; branches will become users of the condition bit after vectorization and would
605 ; need to be sunk if the loop is vectorized.
606 define void @do_not_sink_branch(i32 %x, i32* %in, i32* %out, i32 %tc) local_unnamed_addr #0 {
607 ; NO-SINK-AFTER-LABEL: do_not_sink_branch
608 ; NO-SINK-AFTER-NOT: vector.ph:
611 %cmp530 = icmp slt i32 0, %tc
614 for.body4: ; preds = %cond.end, %entry
615 %indvars.iv = phi i32 [ 0, %entry ], [ %indvars.iv.next, %cond.end ]
616 %cmp534 = phi i1 [ %cmp530, %entry ], [ %cmp5, %cond.end ]
617 br i1 %cmp534, label %cond.true, label %cond.end
619 cond.true: ; preds = %for.body4
620 %arrayidx7 = getelementptr inbounds i32, i32* %in, i32 %indvars.iv
621 %in.val = load i32, i32* %arrayidx7, align 4
624 cond.end: ; preds = %for.body4, %cond.true
625 %cond = phi i32 [ %in.val, %cond.true ], [ 0, %for.body4 ]
626 %arrayidx8 = getelementptr inbounds i32, i32* %out, i32 %indvars.iv
627 store i32 %cond, i32* %arrayidx8, align 4
628 %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1
629 %cmp5 = icmp slt i32 %indvars.iv.next, %tc
630 %exitcond = icmp eq i32 %indvars.iv.next, %x
631 br i1 %exitcond, label %for.end12.loopexit, label %for.body4
633 for.end12.loopexit: ; preds = %cond.end
637 ; Dead instructions, like the exit condition are not part of the actual VPlan
638 ; and do not need to be sunk. PR44634.
639 define void @sink_dead_inst() {
640 ; SINK-AFTER-LABEL: define void @sink_dead_inst(
641 ; SINK-AFTER-LABEL: vector.body: ; preds = %vector.body, %vector.ph
642 ; SINK-AFTER-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
643 ; SINK-AFTER-NEXT: %vec.ind = phi <4 x i16> [ <i16 -27, i16 -26, i16 -25, i16 -24>, %vector.ph ], [ %vec.ind.next, %vector.body ]
644 ; SINK-AFTER-NEXT: %vector.recur = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 0>, %vector.ph ], [ %3, %vector.body ]
645 ; SINK-AFTER-NEXT: %vector.recur1 = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 -27>, %vector.ph ], [ %1, %vector.body ]
646 ; SINK-AFTER-NEXT: %0 = add <4 x i16> %vec.ind, <i16 1, i16 1, i16 1, i16 1>
647 ; SINK-AFTER-NEXT: %1 = zext <4 x i16> %0 to <4 x i32>
648 ; SINK-AFTER-NEXT: %2 = shufflevector <4 x i32> %vector.recur1, <4 x i32> %1, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
649 ; SINK-AFTER-NEXT: %3 = add <4 x i16> %0, <i16 5, i16 5, i16 5, i16 5>
650 ; SINK-AFTER-NEXT: %4 = shufflevector <4 x i16> %vector.recur, <4 x i16> %3, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
651 ; SINK-AFTER-NEXT: %5 = sub <4 x i16> %4, <i16 10, i16 10, i16 10, i16 10>
652 ; SINK-AFTER-NEXT: %index.next = add nuw i32 %index, 4
653 ; SINK-AFTER-NEXT: %vec.ind.next = add <4 x i16> %vec.ind, <i16 4, i16 4, i16 4, i16 4>
654 ; SINK-AFTER-NEXT: %6 = icmp eq i32 %index.next, 40
655 ; SINK-AFTER-NEXT: br i1 %6, label %middle.block, label %vector.body, !llvm.loop !50
661 %iv = phi i16 [ -27, %entry ], [ %iv.next, %for.cond ]
662 %rec.1 = phi i16 [ 0, %entry ], [ %rec.1.prev, %for.cond ]
663 %rec.2 = phi i32 [ -27, %entry ], [ %rec.2.prev, %for.cond ]
664 %use.rec.1 = sub i16 %rec.1, 10
665 %cmp = icmp eq i32 %rec.2, 15
666 %iv.next = add i16 %iv, 1
667 %rec.2.prev = zext i16 %iv.next to i32
668 %rec.1.prev = add i16 %iv.next, 5
669 br i1 %cmp, label %for.end, label %for.cond
675 define i32 @sink_into_replication_region(i32 %y) {
676 ; CHECK-LABEL: @sink_into_replication_region(
678 ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
679 ; CHECK-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
680 ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
681 ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
683 ; CHECK-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 3
684 ; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[N_RND_UP]], -4
685 ; CHECK-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = add i32 [[TMP1]], -1
686 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
687 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
688 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
689 ; CHECK: vector.body:
690 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE9:%.*]] ]
691 ; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[PRED_UDIV_CONTINUE9]] ]
692 ; CHECK-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[PRED_UDIV_CONTINUE9]] ]
693 ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
694 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
695 ; CHECK-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT2]], <4 x i32> poison, <4 x i32> zeroinitializer
696 ; CHECK-NEXT: [[VEC_IV:%.*]] = or <4 x i32> [[BROADCAST_SPLAT3]], <i32 0, i32 1, i32 2, i32 3>
697 ; CHECK-NEXT: [[TMP2:%.*]] = icmp ule <4 x i32> [[VEC_IV]], [[BROADCAST_SPLAT]]
698 ; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i1> [[TMP2]], i32 0
699 ; CHECK-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
700 ; CHECK: pred.udiv.if:
701 ; CHECK-NEXT: [[TMP4:%.*]] = udiv i32 219220132, [[OFFSET_IDX]]
702 ; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i32> poison, i32 [[TMP4]], i32 0
703 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE]]
704 ; CHECK: pred.udiv.continue:
705 ; CHECK-NEXT: [[TMP6:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP5]], [[PRED_UDIV_IF]] ]
706 ; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x i1> [[TMP2]], i32 1
707 ; CHECK-NEXT: br i1 [[TMP7]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
708 ; CHECK: pred.udiv.if3:
709 ; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[OFFSET_IDX]], -1
710 ; CHECK-NEXT: [[TMP9:%.*]] = udiv i32 219220132, [[TMP8]]
711 ; CHECK-NEXT: [[TMP10:%.*]] = insertelement <4 x i32> [[TMP6]], i32 [[TMP9]], i32 1
712 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE5]]
713 ; CHECK: pred.udiv.continue4:
714 ; CHECK-NEXT: [[TMP11:%.*]] = phi <4 x i32> [ [[TMP6]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP10]], [[PRED_UDIV_IF4]] ]
715 ; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP2]], i32 2
716 ; CHECK-NEXT: br i1 [[TMP12]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
717 ; CHECK: pred.udiv.if5:
718 ; CHECK-NEXT: [[TMP13:%.*]] = add i32 [[OFFSET_IDX]], -2
719 ; CHECK-NEXT: [[TMP14:%.*]] = udiv i32 219220132, [[TMP13]]
720 ; CHECK-NEXT: [[TMP15:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP14]], i32 2
721 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE7]]
722 ; CHECK: pred.udiv.continue6:
723 ; CHECK-NEXT: [[TMP16:%.*]] = phi <4 x i32> [ [[TMP11]], [[PRED_UDIV_CONTINUE5]] ], [ [[TMP15]], [[PRED_UDIV_IF6]] ]
724 ; CHECK-NEXT: [[TMP17:%.*]] = extractelement <4 x i1> [[TMP2]], i32 3
725 ; CHECK-NEXT: br i1 [[TMP17]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9]]
726 ; CHECK: pred.udiv.if7:
727 ; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[OFFSET_IDX]], -3
728 ; CHECK-NEXT: [[TMP19:%.*]] = udiv i32 219220132, [[TMP18]]
729 ; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP19]], i32 3
730 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE9]]
731 ; CHECK: pred.udiv.continue8:
732 ; CHECK-NEXT: [[TMP21]] = phi <4 x i32> [ [[TMP16]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP20]], [[PRED_UDIV_IF8]] ]
733 ; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP21]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
734 ; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI1]], [[TMP22]]
735 ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
736 ; CHECK-NEXT: [[TMP24:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
737 ; CHECK-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof !52, [[LOOP46:!llvm.loop !.*]]
738 ; CHECK: middle.block:
739 ; CHECK-NEXT: [[TMP25:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP23]], <4 x i32> [[VEC_PHI1]]
740 ; CHECK-NEXT: [[TMP26:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
741 ; CHECK-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
743 ; CHECK-NEXT: br label [[BB2:%.*]]
745 ; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
746 ; CHECK-NEXT: ret i32 [[TMP]]
748 ; CHECK-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof !54, [[LOOP48:!llvm.loop !.*]]
754 %tmp = phi i32 [ %tmp6, %bb2 ]
757 bb2: ; preds = %bb2, %bb
758 %tmp3 = phi i32 [ %tmp8, %bb2 ], [ %y, %bb ]
759 %tmp4 = phi i32 [ %tmp7, %bb2 ], [ 0, %bb ]
760 %tmp5 = phi i32 [ %tmp6, %bb2 ], [ 0, %bb ]
761 %tmp6 = add i32 %tmp5, %tmp4
762 %tmp7 = udiv i32 219220132, %tmp3
763 %tmp8 = add nsw i32 %tmp3, -1
764 %tmp9 = icmp slt i32 %tmp3, 2
765 br i1 %tmp9, label %bb1, label %bb2, !prof !2
768 define i32 @sink_into_replication_region_multiple(i32 *%x, i32 %y) {
769 ; CHECK-LABEL: @sink_into_replication_region_multiple(
771 ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
772 ; CHECK-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
773 ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
774 ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
776 ; CHECK-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 3
777 ; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[N_RND_UP]], -4
778 ; CHECK-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = add i32 [[TMP1]], -1
779 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
780 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
781 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
782 ; CHECK: vector.body:
783 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE16:%.*]] ]
784 ; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[PRED_STORE_CONTINUE16]] ]
785 ; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[PRED_STORE_CONTINUE16]] ]
786 ; CHECK-NEXT: [[VEC_PHI4:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[PRED_STORE_CONTINUE16]] ]
787 ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
788 ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], -1
789 ; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], -2
790 ; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], -3
791 ; CHECK-NEXT: [[TMP5:%.*]] = icmp ule <4 x i32> [[VEC_IND2]], [[BROADCAST_SPLAT]]
792 ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i1> [[TMP5]], i32 0
793 ; CHECK-NEXT: br i1 [[TMP6]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
794 ; CHECK: pred.udiv.if:
795 ; CHECK-NEXT: [[TMP7:%.*]] = udiv i32 219220132, [[OFFSET_IDX]]
796 ; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x i32> poison, i32 [[TMP7]], i32 0
797 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE]]
798 ; CHECK: pred.udiv.continue:
799 ; CHECK-NEXT: [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP8]], [[PRED_UDIV_IF]] ]
800 ; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP5]], i32 1
801 ; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_UDIV_IF5:%.*]], label [[PRED_UDIV_CONTINUE6:%.*]]
802 ; CHECK: pred.udiv.if4:
803 ; CHECK-NEXT: [[TMP11:%.*]] = udiv i32 219220132, [[TMP2]]
804 ; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP11]], i32 1
805 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE6]]
806 ; CHECK: pred.udiv.continue5:
807 ; CHECK-NEXT: [[TMP13:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP12]], [[PRED_UDIV_IF5]] ]
808 ; CHECK-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP5]], i32 2
809 ; CHECK-NEXT: br i1 [[TMP14]], label [[PRED_UDIV_IF7:%.*]], label [[PRED_UDIV_CONTINUE8:%.*]]
810 ; CHECK: pred.udiv.if6:
811 ; CHECK-NEXT: [[TMP15:%.*]] = udiv i32 219220132, [[TMP3]]
812 ; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> [[TMP13]], i32 [[TMP15]], i32 2
813 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE8]]
814 ; CHECK: pred.udiv.continue7:
815 ; CHECK-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP13]], [[PRED_UDIV_CONTINUE6]] ], [ [[TMP16]], [[PRED_UDIV_IF7]] ]
816 ; CHECK-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP5]], i32 3
817 ; CHECK-NEXT: br i1 [[TMP18]], label [[PRED_UDIV_IF9:%.*]], label [[PRED_UDIV_CONTINUE10:%.*]]
818 ; CHECK: pred.udiv.if8:
819 ; CHECK-NEXT: [[TMP19:%.*]] = udiv i32 219220132, [[TMP4]]
820 ; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP19]], i32 3
821 ; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE10]]
822 ; CHECK: pred.udiv.continue9:
823 ; CHECK-NEXT: [[TMP21]] = phi <4 x i32> [ [[TMP17]], [[PRED_UDIV_CONTINUE8]] ], [ [[TMP20]], [[PRED_UDIV_IF9]] ]
824 ; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP21]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
825 ; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI4]], [[TMP22]]
826 ; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i1> [[TMP5]], i32 0
827 ; CHECK-NEXT: br i1 [[TMP24]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
828 ; CHECK: pred.store.if:
829 ; CHECK-NEXT: [[TMP25:%.*]] = sext i32 [[INDEX]] to i64
830 ; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i64 [[TMP25]]
831 ; CHECK-NEXT: store i32 [[OFFSET_IDX]], i32* [[TMP26]], align 4
832 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]]
833 ; CHECK: pred.store.continue:
834 ; CHECK-NEXT: [[TMP27:%.*]] = extractelement <4 x i1> [[TMP5]], i32 1
835 ; CHECK-NEXT: br i1 [[TMP27]], label [[PRED_STORE_IF11:%.*]], label [[PRED_STORE_CONTINUE12:%.*]]
836 ; CHECK: pred.store.if10:
837 ; CHECK-NEXT: [[TMP28:%.*]] = or i32 [[INDEX]], 1
838 ; CHECK-NEXT: [[TMP29:%.*]] = sext i32 [[TMP28]] to i64
839 ; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP29]]
840 ; CHECK-NEXT: store i32 [[TMP2]], i32* [[TMP30]], align 4
841 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE12]]
842 ; CHECK: pred.store.continue11:
843 ; CHECK-NEXT: [[TMP31:%.*]] = extractelement <4 x i1> [[TMP5]], i32 2
844 ; CHECK-NEXT: br i1 [[TMP31]], label [[PRED_STORE_IF13:%.*]], label [[PRED_STORE_CONTINUE14:%.*]]
845 ; CHECK: pred.store.if12:
846 ; CHECK-NEXT: [[TMP32:%.*]] = or i32 [[INDEX]], 2
847 ; CHECK-NEXT: [[TMP33:%.*]] = sext i32 [[TMP32]] to i64
848 ; CHECK-NEXT: [[TMP34:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP33]]
849 ; CHECK-NEXT: store i32 [[TMP3]], i32* [[TMP34]], align 4
850 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE14]]
851 ; CHECK: pred.store.continue13:
852 ; CHECK-NEXT: [[TMP35:%.*]] = extractelement <4 x i1> [[TMP5]], i32 3
853 ; CHECK-NEXT: br i1 [[TMP35]], label [[PRED_STORE_IF15:%.*]], label [[PRED_STORE_CONTINUE16]]
854 ; CHECK: pred.store.if14:
855 ; CHECK-NEXT: [[TMP36:%.*]] = or i32 [[INDEX]], 3
856 ; CHECK-NEXT: [[TMP37:%.*]] = sext i32 [[TMP36]] to i64
857 ; CHECK-NEXT: [[TMP38:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP37]]
858 ; CHECK-NEXT: store i32 [[TMP4]], i32* [[TMP38]], align 4
859 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE16]]
860 ; CHECK: pred.store.continue15:
861 ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
862 ; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
863 ; CHECK-NEXT: [[TMP39:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
864 ; CHECK-NEXT: br i1 [[TMP39]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof !52, [[LOOP49:!llvm.loop !.*]]
865 ; CHECK: middle.block:
866 ; CHECK-NEXT: [[TMP40:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[TMP23]], <4 x i32> [[VEC_PHI4]]
867 ; CHECK-NEXT: [[TMP41:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP40]])
868 ; CHECK-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
870 ; CHECK-NEXT: br label [[BB2:%.*]]
872 ; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP41]], [[MIDDLE_BLOCK]] ]
873 ; CHECK-NEXT: ret i32 [[TMP]]
875 ; CHECK-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof !54, [[LOOP50:!llvm.loop !.*]]
881 %tmp = phi i32 [ %tmp6, %bb2 ]
884 bb2: ; preds = %bb2, %bb
885 %tmp3 = phi i32 [ %tmp8, %bb2 ], [ %y, %bb ]
886 %iv = phi i32 [ %iv.next, %bb2 ], [ 0, %bb ]
887 %tmp4 = phi i32 [ %tmp7, %bb2 ], [ 0, %bb ]
888 %tmp5 = phi i32 [ %tmp6, %bb2 ], [ 0, %bb ]
889 %g = getelementptr inbounds i32, i32* %x, i32 %iv
890 %tmp6 = add i32 %tmp5, %tmp4
891 %tmp7 = udiv i32 219220132, %tmp3
892 store i32 %tmp3, i32* %g, align 4
893 %tmp8 = add nsw i32 %tmp3, -1
894 %iv.next = add nsw i32 %iv, 1
895 %tmp9 = icmp slt i32 %tmp3, 2
896 br i1 %tmp9, label %bb1, label %bb2, !prof !2
899 ; %vec.dead will be marked as dead instruction in the vector loop and no recipe
900 ; will be created for it. Make sure a valid sink target is used.
901 define void @sink_after_dead_inst(i32* %A.ptr) {
902 ; CHECK-LABEL: @sink_after_dead_inst
903 ; CHECK-LABEL: vector.body:
904 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %vector.ph ], [ [[INDEX_NEXT]], %vector.body ]
905 ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = zext i32 [[INDEX]] to i64
906 ; CHECK-NEXT: [[SEXT:%.*]] = shl i64 [[OFFSET_IDX]], 48
907 ; CHECK-NEXT: [[SHIFT:%.*]] = ashr exact i64 [[SEXT]], 48
908 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, i32* %A.ptr, i64 [[SHIFT]]
909 ; CHECK-NEXT: [[CAST:%.*]] = bitcast i32* [[GEP]] to <4 x i32>*
910 ; CHECK-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[CAST]], align 4
911 ; CHECK-NEXT: [[INDEX_NEXT:%.*]] = add nuw i32 [[INDEX]], 4
912 ; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
913 ; CHECK-NEXT: br i1 [[EC]], label %middle.block, label %vector.body
919 %iv = phi i16 [ 0, %entry ], [ %iv.next, %loop ]
920 %for = phi i32 [ 0, %entry ], [ %for.prev, %loop ]
921 %cmp = icmp eq i32 %for, 15
922 %C = icmp eq i1 %cmp, true
923 %vec.dead = and i1 %C, 1
924 %iv.next = add i16 %iv, 1
925 %B1 = or i16 %iv.next, %iv.next
926 %B3 = and i1 %cmp, %C
927 %for.prev = zext i16 %B1 to i32
929 %ext = zext i1 %B3 to i32
930 %A.gep = getelementptr i32, i32* %A.ptr, i16 %iv
931 store i32 0, i32* %A.gep
932 br i1 %vec.dead, label %for.end, label %loop
938 !2 = !{!"branch_weights", i32 1, i32 1}