xref: /llvm-project/llvm/test/Transforms/LoopVectorize/if-pred-non-void.ll (revision 713482fccf82d33c5c4ddb24538958617e1eb957)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -force-vector-width=2 -force-vector-interleave=1 -passes=loop-vectorize,simplifycfg -verify-loop-info -simplifycfg-require-and-preserve-domtree=1 -force-widen-divrem-via-safe-divisor=0 < %s | FileCheck %s
3; RUN: opt -S -force-vector-width=1 -force-vector-interleave=2 -passes=loop-vectorize -verify-loop-info -force-widen-divrem-via-safe-divisor=0 < %s | FileCheck %s --check-prefix=UNROLL-NO-VF
4
5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6
7; Test predication of non-void instructions, specifically (i) that these
8; instructions permit vectorization and (ii) the creation of an insertelement
9; and a Phi node. We check the full 2-element sequence for all predicate instructions.
10define void @test(ptr nocapture %asd, ptr nocapture %aud,
11; CHECK-LABEL: @test(
12; CHECK-NEXT:  entry:
13; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[ASD:%.*]], i64 512
14; CHECK-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[AUD:%.*]], i64 512
15; CHECK-NEXT:    [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[ASR:%.*]], i64 512
16; CHECK-NEXT:    [[SCEVGEP3:%.*]] = getelementptr i8, ptr [[AUR:%.*]], i64 512
17; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP1]]
18; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[AUD]], [[SCEVGEP]]
19; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
20; CHECK-NEXT:    [[BOUND04:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP2]]
21; CHECK-NEXT:    [[BOUND15:%.*]] = icmp ult ptr [[ASR]], [[SCEVGEP]]
22; CHECK-NEXT:    [[FOUND_CONFLICT6:%.*]] = and i1 [[BOUND04]], [[BOUND15]]
23; CHECK-NEXT:    [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT6]]
24; CHECK-NEXT:    [[BOUND07:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP3]]
25; CHECK-NEXT:    [[BOUND18:%.*]] = icmp ult ptr [[AUR]], [[SCEVGEP]]
26; CHECK-NEXT:    [[FOUND_CONFLICT9:%.*]] = and i1 [[BOUND07]], [[BOUND18]]
27; CHECK-NEXT:    [[CONFLICT_RDX10:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT9]]
28; CHECK-NEXT:    [[BOUND011:%.*]] = icmp ult ptr [[AUD]], [[SCEVGEP2]]
29; CHECK-NEXT:    [[BOUND112:%.*]] = icmp ult ptr [[ASR]], [[SCEVGEP1]]
30; CHECK-NEXT:    [[FOUND_CONFLICT13:%.*]] = and i1 [[BOUND011]], [[BOUND112]]
31; CHECK-NEXT:    [[CONFLICT_RDX14:%.*]] = or i1 [[CONFLICT_RDX10]], [[FOUND_CONFLICT13]]
32; CHECK-NEXT:    [[BOUND015:%.*]] = icmp ult ptr [[AUD]], [[SCEVGEP3]]
33; CHECK-NEXT:    [[BOUND116:%.*]] = icmp ult ptr [[AUR]], [[SCEVGEP1]]
34; CHECK-NEXT:    [[FOUND_CONFLICT17:%.*]] = and i1 [[BOUND015]], [[BOUND116]]
35; CHECK-NEXT:    [[CONFLICT_RDX18:%.*]] = or i1 [[CONFLICT_RDX14]], [[FOUND_CONFLICT17]]
36; CHECK-NEXT:    [[BOUND019:%.*]] = icmp ult ptr [[ASR]], [[SCEVGEP3]]
37; CHECK-NEXT:    [[BOUND120:%.*]] = icmp ult ptr [[AUR]], [[SCEVGEP2]]
38; CHECK-NEXT:    [[FOUND_CONFLICT21:%.*]] = and i1 [[BOUND019]], [[BOUND120]]
39; CHECK-NEXT:    [[CONFLICT_RDX22:%.*]] = or i1 [[CONFLICT_RDX18]], [[FOUND_CONFLICT21]]
40; CHECK-NEXT:    br i1 [[CONFLICT_RDX22]], label [[FOR_BODY:%.*]], label [[VECTOR_BODY:%.*]]
41; CHECK:       vector.body:
42; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE27:%.*]] ], [ 0, [[ENTRY:%.*]] ]
43; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
44; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP0]]
45; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[AUD]], i64 [[TMP0]]
46; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[ASR]], i64 [[TMP0]]
47; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[AUR]], i64 [[TMP0]]
48; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
49; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP5]], align 4, !alias.scope [[META5:![0-9]+]], !noalias [[META8:![0-9]+]]
50; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 0
51; CHECK-NEXT:    [[WIDE_LOAD23:%.*]] = load <2 x i32>, ptr [[TMP6]], align 4, !alias.scope [[META12:![0-9]+]], !noalias [[META13:![0-9]+]]
52; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0
53; CHECK-NEXT:    [[WIDE_LOAD24:%.*]] = load <2 x i32>, ptr [[TMP7]], align 4, !alias.scope [[META14:![0-9]+]], !noalias [[META15:![0-9]+]]
54; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i32 0
55; CHECK-NEXT:    [[WIDE_LOAD25:%.*]] = load <2 x i32>, ptr [[TMP8]], align 4, !alias.scope [[META15]]
56; CHECK-NEXT:    [[TMP9:%.*]] = add nsw <2 x i32> [[WIDE_LOAD]], splat (i32 23)
57; CHECK-NEXT:    [[TMP10:%.*]] = add nsw <2 x i32> [[WIDE_LOAD23]], splat (i32 24)
58; CHECK-NEXT:    [[TMP11:%.*]] = add nsw <2 x i32> [[WIDE_LOAD24]], splat (i32 25)
59; CHECK-NEXT:    [[TMP12:%.*]] = add nsw <2 x i32> [[WIDE_LOAD25]], splat (i32 26)
60; CHECK-NEXT:    [[TMP13:%.*]] = icmp slt <2 x i32> [[WIDE_LOAD]], splat (i32 100)
61; CHECK-NEXT:    [[TMP14:%.*]] = extractelement <2 x i1> [[TMP13]], i32 0
62; CHECK-NEXT:    br i1 [[TMP14]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
63; CHECK:       pred.urem.if:
64; CHECK-NEXT:    [[TMP15:%.*]] = extractelement <2 x i32> [[TMP9]], i32 0
65; CHECK-NEXT:    [[TMP16:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
66; CHECK-NEXT:    [[TMP17:%.*]] = sdiv i32 [[TMP15]], [[TMP16]]
67; CHECK-NEXT:    [[TMP18:%.*]] = insertelement <2 x i32> poison, i32 [[TMP17]], i32 0
68; CHECK-NEXT:    [[TMP19:%.*]] = extractelement <2 x i32> [[TMP10]], i32 0
69; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <2 x i32> [[WIDE_LOAD23]], i32 0
70; CHECK-NEXT:    [[TMP21:%.*]] = udiv i32 [[TMP19]], [[TMP20]]
71; CHECK-NEXT:    [[TMP22:%.*]] = insertelement <2 x i32> poison, i32 [[TMP21]], i32 0
72; CHECK-NEXT:    [[TMP23:%.*]] = extractelement <2 x i32> [[TMP11]], i32 0
73; CHECK-NEXT:    [[TMP24:%.*]] = extractelement <2 x i32> [[WIDE_LOAD24]], i32 0
74; CHECK-NEXT:    [[TMP25:%.*]] = srem i32 [[TMP23]], [[TMP24]]
75; CHECK-NEXT:    [[TMP26:%.*]] = insertelement <2 x i32> poison, i32 [[TMP25]], i32 0
76; CHECK-NEXT:    [[TMP27:%.*]] = extractelement <2 x i32> [[TMP12]], i32 0
77; CHECK-NEXT:    [[TMP28:%.*]] = extractelement <2 x i32> [[WIDE_LOAD25]], i32 0
78; CHECK-NEXT:    [[TMP29:%.*]] = urem i32 [[TMP27]], [[TMP28]]
79; CHECK-NEXT:    [[TMP30:%.*]] = insertelement <2 x i32> poison, i32 [[TMP29]], i32 0
80; CHECK-NEXT:    br label [[PRED_UREM_CONTINUE]]
81; CHECK:       pred.urem.continue:
82; CHECK-NEXT:    [[TMP31:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP18]], [[PRED_UREM_IF]] ]
83; CHECK-NEXT:    [[TMP32:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP22]], [[PRED_UREM_IF]] ]
84; CHECK-NEXT:    [[TMP33:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP26]], [[PRED_UREM_IF]] ]
85; CHECK-NEXT:    [[TMP34:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP30]], [[PRED_UREM_IF]] ]
86; CHECK-NEXT:    [[TMP35:%.*]] = extractelement <2 x i1> [[TMP13]], i32 1
87; CHECK-NEXT:    br i1 [[TMP35]], label [[PRED_UREM_IF26:%.*]], label [[PRED_UREM_CONTINUE27]]
88; CHECK:       pred.urem.if26:
89; CHECK-NEXT:    [[TMP36:%.*]] = extractelement <2 x i32> [[TMP9]], i32 1
90; CHECK-NEXT:    [[TMP37:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
91; CHECK-NEXT:    [[TMP38:%.*]] = sdiv i32 [[TMP36]], [[TMP37]]
92; CHECK-NEXT:    [[TMP39:%.*]] = insertelement <2 x i32> [[TMP31]], i32 [[TMP38]], i32 1
93; CHECK-NEXT:    [[TMP40:%.*]] = extractelement <2 x i32> [[TMP10]], i32 1
94; CHECK-NEXT:    [[TMP41:%.*]] = extractelement <2 x i32> [[WIDE_LOAD23]], i32 1
95; CHECK-NEXT:    [[TMP42:%.*]] = udiv i32 [[TMP40]], [[TMP41]]
96; CHECK-NEXT:    [[TMP43:%.*]] = insertelement <2 x i32> [[TMP32]], i32 [[TMP42]], i32 1
97; CHECK-NEXT:    [[TMP44:%.*]] = extractelement <2 x i32> [[TMP11]], i32 1
98; CHECK-NEXT:    [[TMP45:%.*]] = extractelement <2 x i32> [[WIDE_LOAD24]], i32 1
99; CHECK-NEXT:    [[TMP46:%.*]] = srem i32 [[TMP44]], [[TMP45]]
100; CHECK-NEXT:    [[TMP47:%.*]] = insertelement <2 x i32> [[TMP33]], i32 [[TMP46]], i32 1
101; CHECK-NEXT:    [[TMP48:%.*]] = extractelement <2 x i32> [[TMP12]], i32 1
102; CHECK-NEXT:    [[TMP49:%.*]] = extractelement <2 x i32> [[WIDE_LOAD25]], i32 1
103; CHECK-NEXT:    [[TMP50:%.*]] = urem i32 [[TMP48]], [[TMP49]]
104; CHECK-NEXT:    [[TMP51:%.*]] = insertelement <2 x i32> [[TMP34]], i32 [[TMP50]], i32 1
105; CHECK-NEXT:    br label [[PRED_UREM_CONTINUE27]]
106; CHECK:       pred.urem.continue27:
107; CHECK-NEXT:    [[TMP52:%.*]] = phi <2 x i32> [ [[TMP31]], [[PRED_UREM_CONTINUE]] ], [ [[TMP39]], [[PRED_UREM_IF26]] ]
108; CHECK-NEXT:    [[TMP53:%.*]] = phi <2 x i32> [ [[TMP32]], [[PRED_UREM_CONTINUE]] ], [ [[TMP43]], [[PRED_UREM_IF26]] ]
109; CHECK-NEXT:    [[TMP54:%.*]] = phi <2 x i32> [ [[TMP33]], [[PRED_UREM_CONTINUE]] ], [ [[TMP47]], [[PRED_UREM_IF26]] ]
110; CHECK-NEXT:    [[TMP55:%.*]] = phi <2 x i32> [ [[TMP34]], [[PRED_UREM_CONTINUE]] ], [ [[TMP51]], [[PRED_UREM_IF26]] ]
111; CHECK-NEXT:    [[TMP56:%.*]] = xor <2 x i1> [[TMP13]], splat (i1 true)
112; CHECK-NEXT:    [[PREDPHI:%.*]] = select <2 x i1> [[TMP56]], <2 x i32> [[TMP9]], <2 x i32> [[TMP52]]
113; CHECK-NEXT:    [[PREDPHI28:%.*]] = select <2 x i1> [[TMP56]], <2 x i32> [[TMP10]], <2 x i32> [[TMP53]]
114; CHECK-NEXT:    [[PREDPHI29:%.*]] = select <2 x i1> [[TMP56]], <2 x i32> [[TMP11]], <2 x i32> [[TMP54]]
115; CHECK-NEXT:    [[PREDPHI30:%.*]] = select <2 x i1> [[TMP56]], <2 x i32> [[TMP12]], <2 x i32> [[TMP55]]
116; CHECK-NEXT:    [[TMP57:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
117; CHECK-NEXT:    store <2 x i32> [[PREDPHI]], ptr [[TMP57]], align 4, !alias.scope [[META5]], !noalias [[META8]]
118; CHECK-NEXT:    [[TMP58:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 0
119; CHECK-NEXT:    store <2 x i32> [[PREDPHI28]], ptr [[TMP58]], align 4, !alias.scope [[META12]], !noalias [[META13]]
120; CHECK-NEXT:    [[TMP59:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0
121; CHECK-NEXT:    store <2 x i32> [[PREDPHI29]], ptr [[TMP59]], align 4, !alias.scope [[META14]], !noalias [[META15]]
122; CHECK-NEXT:    [[TMP60:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i32 0
123; CHECK-NEXT:    store <2 x i32> [[PREDPHI30]], ptr [[TMP60]], align 4, !alias.scope [[META15]]
124; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
125; CHECK-NEXT:    [[TMP61:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
126; CHECK-NEXT:    br i1 [[TMP61]], label [[FOR_COND_CLEANUP:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
127; CHECK:       for.cond.cleanup:
128; CHECK-NEXT:    ret void
129; CHECK:       for.body:
130; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY]] ]
131; CHECK-NEXT:    [[ISD:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[INDVARS_IV]]
132; CHECK-NEXT:    [[IUD:%.*]] = getelementptr inbounds i32, ptr [[AUD]], i64 [[INDVARS_IV]]
133; CHECK-NEXT:    [[ISR:%.*]] = getelementptr inbounds i32, ptr [[ASR]], i64 [[INDVARS_IV]]
134; CHECK-NEXT:    [[IUR:%.*]] = getelementptr inbounds i32, ptr [[AUR]], i64 [[INDVARS_IV]]
135; CHECK-NEXT:    [[LSD:%.*]] = load i32, ptr [[ISD]], align 4
136; CHECK-NEXT:    [[LUD:%.*]] = load i32, ptr [[IUD]], align 4
137; CHECK-NEXT:    [[LSR:%.*]] = load i32, ptr [[ISR]], align 4
138; CHECK-NEXT:    [[LUR:%.*]] = load i32, ptr [[IUR]], align 4
139; CHECK-NEXT:    [[PSD:%.*]] = add nsw i32 [[LSD]], 23
140; CHECK-NEXT:    [[PUD:%.*]] = add nsw i32 [[LUD]], 24
141; CHECK-NEXT:    [[PSR:%.*]] = add nsw i32 [[LSR]], 25
142; CHECK-NEXT:    [[PUR:%.*]] = add nsw i32 [[LUR]], 26
143; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i32 [[LSD]], 100
144; CHECK-NEXT:    br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_END]]
145; CHECK:       if.then:
146; CHECK-NEXT:    [[RSD:%.*]] = sdiv i32 [[PSD]], [[LSD]]
147; CHECK-NEXT:    [[RUD:%.*]] = udiv i32 [[PUD]], [[LUD]]
148; CHECK-NEXT:    [[RSR:%.*]] = srem i32 [[PSR]], [[LSR]]
149; CHECK-NEXT:    [[RUR:%.*]] = urem i32 [[PUR]], [[LUR]]
150; CHECK-NEXT:    br label [[IF_END]]
151; CHECK:       if.end:
152; CHECK-NEXT:    [[YSD_0:%.*]] = phi i32 [ [[RSD]], [[IF_THEN]] ], [ [[PSD]], [[FOR_BODY]] ]
153; CHECK-NEXT:    [[YUD_0:%.*]] = phi i32 [ [[RUD]], [[IF_THEN]] ], [ [[PUD]], [[FOR_BODY]] ]
154; CHECK-NEXT:    [[YSR_0:%.*]] = phi i32 [ [[RSR]], [[IF_THEN]] ], [ [[PSR]], [[FOR_BODY]] ]
155; CHECK-NEXT:    [[YUR_0:%.*]] = phi i32 [ [[RUR]], [[IF_THEN]] ], [ [[PUR]], [[FOR_BODY]] ]
156; CHECK-NEXT:    store i32 [[YSD_0]], ptr [[ISD]], align 4
157; CHECK-NEXT:    store i32 [[YUD_0]], ptr [[IUD]], align 4
158; CHECK-NEXT:    store i32 [[YSR_0]], ptr [[ISR]], align 4
159; CHECK-NEXT:    store i32 [[YUR_0]], ptr [[IUR]], align 4
160; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
161; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 128
162; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
163;
164; UNROLL-NO-VF-LABEL: @test(
165; UNROLL-NO-VF-NEXT:  entry:
166; UNROLL-NO-VF-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
167; UNROLL-NO-VF:       vector.memcheck:
168; UNROLL-NO-VF-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[ASD:%.*]], i64 512
169; UNROLL-NO-VF-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[AUD:%.*]], i64 512
170; UNROLL-NO-VF-NEXT:    [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[ASR:%.*]], i64 512
171; UNROLL-NO-VF-NEXT:    [[SCEVGEP3:%.*]] = getelementptr i8, ptr [[AUR:%.*]], i64 512
172; UNROLL-NO-VF-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP1]]
173; UNROLL-NO-VF-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[AUD]], [[SCEVGEP]]
174; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
175; UNROLL-NO-VF-NEXT:    [[BOUND04:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP2]]
176; UNROLL-NO-VF-NEXT:    [[BOUND15:%.*]] = icmp ult ptr [[ASR]], [[SCEVGEP]]
177; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT6:%.*]] = and i1 [[BOUND04]], [[BOUND15]]
178; UNROLL-NO-VF-NEXT:    [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT6]]
179; UNROLL-NO-VF-NEXT:    [[BOUND07:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP3]]
180; UNROLL-NO-VF-NEXT:    [[BOUND18:%.*]] = icmp ult ptr [[AUR]], [[SCEVGEP]]
181; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT9:%.*]] = and i1 [[BOUND07]], [[BOUND18]]
182; UNROLL-NO-VF-NEXT:    [[CONFLICT_RDX10:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT9]]
183; UNROLL-NO-VF-NEXT:    [[BOUND011:%.*]] = icmp ult ptr [[AUD]], [[SCEVGEP2]]
184; UNROLL-NO-VF-NEXT:    [[BOUND112:%.*]] = icmp ult ptr [[ASR]], [[SCEVGEP1]]
185; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT13:%.*]] = and i1 [[BOUND011]], [[BOUND112]]
186; UNROLL-NO-VF-NEXT:    [[CONFLICT_RDX14:%.*]] = or i1 [[CONFLICT_RDX10]], [[FOUND_CONFLICT13]]
187; UNROLL-NO-VF-NEXT:    [[BOUND015:%.*]] = icmp ult ptr [[AUD]], [[SCEVGEP3]]
188; UNROLL-NO-VF-NEXT:    [[BOUND116:%.*]] = icmp ult ptr [[AUR]], [[SCEVGEP1]]
189; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT17:%.*]] = and i1 [[BOUND015]], [[BOUND116]]
190; UNROLL-NO-VF-NEXT:    [[CONFLICT_RDX18:%.*]] = or i1 [[CONFLICT_RDX14]], [[FOUND_CONFLICT17]]
191; UNROLL-NO-VF-NEXT:    [[BOUND019:%.*]] = icmp ult ptr [[ASR]], [[SCEVGEP3]]
192; UNROLL-NO-VF-NEXT:    [[BOUND120:%.*]] = icmp ult ptr [[AUR]], [[SCEVGEP2]]
193; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT21:%.*]] = and i1 [[BOUND019]], [[BOUND120]]
194; UNROLL-NO-VF-NEXT:    [[CONFLICT_RDX22:%.*]] = or i1 [[CONFLICT_RDX18]], [[FOUND_CONFLICT21]]
195; UNROLL-NO-VF-NEXT:    br i1 [[CONFLICT_RDX22]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
196; UNROLL-NO-VF:       vector.ph:
197; UNROLL-NO-VF-NEXT:    br label [[VECTOR_BODY:%.*]]
198; UNROLL-NO-VF:       vector.body:
199; UNROLL-NO-VF-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE24:%.*]] ]
200; UNROLL-NO-VF-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
201; UNROLL-NO-VF-NEXT:    [[TMP1:%.*]] = add i64 [[INDEX]], 1
202; UNROLL-NO-VF-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP0]]
203; UNROLL-NO-VF-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP1]]
204; UNROLL-NO-VF-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[AUD]], i64 [[TMP0]]
205; UNROLL-NO-VF-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[AUD]], i64 [[TMP1]]
206; UNROLL-NO-VF-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[ASR]], i64 [[TMP0]]
207; UNROLL-NO-VF-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[ASR]], i64 [[TMP1]]
208; UNROLL-NO-VF-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[AUR]], i64 [[TMP0]]
209; UNROLL-NO-VF-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[AUR]], i64 [[TMP1]]
210; UNROLL-NO-VF-NEXT:    [[TMP10:%.*]] = load i32, ptr [[TMP2]], align 4, !alias.scope [[META5:![0-9]+]], !noalias [[META8:![0-9]+]]
211; UNROLL-NO-VF-NEXT:    [[TMP11:%.*]] = load i32, ptr [[TMP3]], align 4, !alias.scope [[META5]], !noalias [[META8]]
212; UNROLL-NO-VF-NEXT:    [[TMP12:%.*]] = load i32, ptr [[TMP4]], align 4, !alias.scope [[META12:![0-9]+]], !noalias [[META13:![0-9]+]]
213; UNROLL-NO-VF-NEXT:    [[TMP13:%.*]] = load i32, ptr [[TMP5]], align 4, !alias.scope [[META12]], !noalias [[META13]]
214; UNROLL-NO-VF-NEXT:    [[TMP14:%.*]] = load i32, ptr [[TMP6]], align 4, !alias.scope [[META14:![0-9]+]], !noalias [[META15:![0-9]+]]
215; UNROLL-NO-VF-NEXT:    [[TMP15:%.*]] = load i32, ptr [[TMP7]], align 4, !alias.scope [[META14]], !noalias [[META15]]
216; UNROLL-NO-VF-NEXT:    [[TMP16:%.*]] = load i32, ptr [[TMP8]], align 4, !alias.scope [[META15]]
217; UNROLL-NO-VF-NEXT:    [[TMP17:%.*]] = load i32, ptr [[TMP9]], align 4, !alias.scope [[META15]]
218; UNROLL-NO-VF-NEXT:    [[TMP18:%.*]] = add nsw i32 [[TMP10]], 23
219; UNROLL-NO-VF-NEXT:    [[TMP19:%.*]] = add nsw i32 [[TMP11]], 23
220; UNROLL-NO-VF-NEXT:    [[TMP20:%.*]] = add nsw i32 [[TMP12]], 24
221; UNROLL-NO-VF-NEXT:    [[TMP21:%.*]] = add nsw i32 [[TMP13]], 24
222; UNROLL-NO-VF-NEXT:    [[TMP22:%.*]] = add nsw i32 [[TMP14]], 25
223; UNROLL-NO-VF-NEXT:    [[TMP23:%.*]] = add nsw i32 [[TMP15]], 25
224; UNROLL-NO-VF-NEXT:    [[TMP24:%.*]] = add nsw i32 [[TMP16]], 26
225; UNROLL-NO-VF-NEXT:    [[TMP25:%.*]] = add nsw i32 [[TMP17]], 26
226; UNROLL-NO-VF-NEXT:    [[TMP26:%.*]] = icmp slt i32 [[TMP10]], 100
227; UNROLL-NO-VF-NEXT:    [[TMP27:%.*]] = icmp slt i32 [[TMP11]], 100
228; UNROLL-NO-VF-NEXT:    br i1 [[TMP26]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
229; UNROLL-NO-VF:       pred.urem.if:
230; UNROLL-NO-VF-NEXT:    [[TMP28:%.*]] = sdiv i32 [[TMP18]], [[TMP10]]
231; UNROLL-NO-VF-NEXT:    [[TMP29:%.*]] = udiv i32 [[TMP20]], [[TMP12]]
232; UNROLL-NO-VF-NEXT:    [[TMP30:%.*]] = srem i32 [[TMP22]], [[TMP14]]
233; UNROLL-NO-VF-NEXT:    [[TMP31:%.*]] = urem i32 [[TMP24]], [[TMP16]]
234; UNROLL-NO-VF-NEXT:    br label [[PRED_UREM_CONTINUE]]
235; UNROLL-NO-VF:       pred.urem.continue:
236; UNROLL-NO-VF-NEXT:    [[TMP32:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP28]], [[PRED_UREM_IF]] ]
237; UNROLL-NO-VF-NEXT:    [[TMP33:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP29]], [[PRED_UREM_IF]] ]
238; UNROLL-NO-VF-NEXT:    [[TMP34:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP30]], [[PRED_UREM_IF]] ]
239; UNROLL-NO-VF-NEXT:    [[TMP35:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP31]], [[PRED_UREM_IF]] ]
240; UNROLL-NO-VF-NEXT:    br i1 [[TMP27]], label [[PRED_UREM_IF23:%.*]], label [[PRED_UREM_CONTINUE24]]
241; UNROLL-NO-VF:       pred.urem.if23:
242; UNROLL-NO-VF-NEXT:    [[TMP36:%.*]] = sdiv i32 [[TMP19]], [[TMP11]]
243; UNROLL-NO-VF-NEXT:    [[TMP37:%.*]] = udiv i32 [[TMP21]], [[TMP13]]
244; UNROLL-NO-VF-NEXT:    [[TMP38:%.*]] = srem i32 [[TMP23]], [[TMP15]]
245; UNROLL-NO-VF-NEXT:    [[TMP39:%.*]] = urem i32 [[TMP25]], [[TMP17]]
246; UNROLL-NO-VF-NEXT:    br label [[PRED_UREM_CONTINUE24]]
247; UNROLL-NO-VF:       pred.urem.continue24:
248; UNROLL-NO-VF-NEXT:    [[TMP40:%.*]] = phi i32 [ poison, [[PRED_UREM_CONTINUE]] ], [ [[TMP36]], [[PRED_UREM_IF23]] ]
249; UNROLL-NO-VF-NEXT:    [[TMP41:%.*]] = phi i32 [ poison, [[PRED_UREM_CONTINUE]] ], [ [[TMP37]], [[PRED_UREM_IF23]] ]
250; UNROLL-NO-VF-NEXT:    [[TMP42:%.*]] = phi i32 [ poison, [[PRED_UREM_CONTINUE]] ], [ [[TMP38]], [[PRED_UREM_IF23]] ]
251; UNROLL-NO-VF-NEXT:    [[TMP43:%.*]] = phi i32 [ poison, [[PRED_UREM_CONTINUE]] ], [ [[TMP39]], [[PRED_UREM_IF23]] ]
252; UNROLL-NO-VF-NEXT:    [[TMP44:%.*]] = xor i1 [[TMP26]], true
253; UNROLL-NO-VF-NEXT:    [[TMP45:%.*]] = xor i1 [[TMP27]], true
254; UNROLL-NO-VF-NEXT:    [[PREDPHI:%.*]] = select i1 [[TMP44]], i32 [[TMP18]], i32 [[TMP32]]
255; UNROLL-NO-VF-NEXT:    [[PREDPHI25:%.*]] = select i1 [[TMP45]], i32 [[TMP19]], i32 [[TMP40]]
256; UNROLL-NO-VF-NEXT:    [[PREDPHI26:%.*]] = select i1 [[TMP44]], i32 [[TMP20]], i32 [[TMP33]]
257; UNROLL-NO-VF-NEXT:    [[PREDPHI27:%.*]] = select i1 [[TMP45]], i32 [[TMP21]], i32 [[TMP41]]
258; UNROLL-NO-VF-NEXT:    [[PREDPHI28:%.*]] = select i1 [[TMP44]], i32 [[TMP22]], i32 [[TMP34]]
259; UNROLL-NO-VF-NEXT:    [[PREDPHI29:%.*]] = select i1 [[TMP45]], i32 [[TMP23]], i32 [[TMP42]]
260; UNROLL-NO-VF-NEXT:    [[PREDPHI30:%.*]] = select i1 [[TMP44]], i32 [[TMP24]], i32 [[TMP35]]
261; UNROLL-NO-VF-NEXT:    [[PREDPHI31:%.*]] = select i1 [[TMP45]], i32 [[TMP25]], i32 [[TMP43]]
262; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI]], ptr [[TMP2]], align 4, !alias.scope [[META5]], !noalias [[META8]]
263; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI25]], ptr [[TMP3]], align 4, !alias.scope [[META5]], !noalias [[META8]]
264; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI26]], ptr [[TMP4]], align 4, !alias.scope [[META12]], !noalias [[META13]]
265; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI27]], ptr [[TMP5]], align 4, !alias.scope [[META12]], !noalias [[META13]]
266; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI28]], ptr [[TMP6]], align 4, !alias.scope [[META14]], !noalias [[META15]]
267; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI29]], ptr [[TMP7]], align 4, !alias.scope [[META14]], !noalias [[META15]]
268; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI30]], ptr [[TMP8]], align 4, !alias.scope [[META15]]
269; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI31]], ptr [[TMP9]], align 4, !alias.scope [[META15]]
270; UNROLL-NO-VF-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
271; UNROLL-NO-VF-NEXT:    [[TMP46:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
272; UNROLL-NO-VF-NEXT:    br i1 [[TMP46]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
273; UNROLL-NO-VF:       middle.block:
274; UNROLL-NO-VF-NEXT:    br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
275; UNROLL-NO-VF:       scalar.ph:
276; UNROLL-NO-VF-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ 128, [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY:%.*]] ]
277; UNROLL-NO-VF-NEXT:    br label [[FOR_BODY:%.*]]
278; UNROLL-NO-VF:       for.cond.cleanup:
279; UNROLL-NO-VF-NEXT:    ret void
280; UNROLL-NO-VF:       for.body:
281; UNROLL-NO-VF-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ]
282; UNROLL-NO-VF-NEXT:    [[ISD:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[INDVARS_IV]]
283; UNROLL-NO-VF-NEXT:    [[IUD:%.*]] = getelementptr inbounds i32, ptr [[AUD]], i64 [[INDVARS_IV]]
284; UNROLL-NO-VF-NEXT:    [[ISR:%.*]] = getelementptr inbounds i32, ptr [[ASR]], i64 [[INDVARS_IV]]
285; UNROLL-NO-VF-NEXT:    [[IUR:%.*]] = getelementptr inbounds i32, ptr [[AUR]], i64 [[INDVARS_IV]]
286; UNROLL-NO-VF-NEXT:    [[LSD:%.*]] = load i32, ptr [[ISD]], align 4
287; UNROLL-NO-VF-NEXT:    [[LUD:%.*]] = load i32, ptr [[IUD]], align 4
288; UNROLL-NO-VF-NEXT:    [[LSR:%.*]] = load i32, ptr [[ISR]], align 4
289; UNROLL-NO-VF-NEXT:    [[LUR:%.*]] = load i32, ptr [[IUR]], align 4
290; UNROLL-NO-VF-NEXT:    [[PSD:%.*]] = add nsw i32 [[LSD]], 23
291; UNROLL-NO-VF-NEXT:    [[PUD:%.*]] = add nsw i32 [[LUD]], 24
292; UNROLL-NO-VF-NEXT:    [[PSR:%.*]] = add nsw i32 [[LSR]], 25
293; UNROLL-NO-VF-NEXT:    [[PUR:%.*]] = add nsw i32 [[LUR]], 26
294; UNROLL-NO-VF-NEXT:    [[CMP1:%.*]] = icmp slt i32 [[LSD]], 100
295; UNROLL-NO-VF-NEXT:    br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_END]]
296; UNROLL-NO-VF:       if.then:
297; UNROLL-NO-VF-NEXT:    [[RSD:%.*]] = sdiv i32 [[PSD]], [[LSD]]
298; UNROLL-NO-VF-NEXT:    [[RUD:%.*]] = udiv i32 [[PUD]], [[LUD]]
299; UNROLL-NO-VF-NEXT:    [[RSR:%.*]] = srem i32 [[PSR]], [[LSR]]
300; UNROLL-NO-VF-NEXT:    [[RUR:%.*]] = urem i32 [[PUR]], [[LUR]]
301; UNROLL-NO-VF-NEXT:    br label [[IF_END]]
302; UNROLL-NO-VF:       if.end:
303; UNROLL-NO-VF-NEXT:    [[YSD_0:%.*]] = phi i32 [ [[RSD]], [[IF_THEN]] ], [ [[PSD]], [[FOR_BODY]] ]
304; UNROLL-NO-VF-NEXT:    [[YUD_0:%.*]] = phi i32 [ [[RUD]], [[IF_THEN]] ], [ [[PUD]], [[FOR_BODY]] ]
305; UNROLL-NO-VF-NEXT:    [[YSR_0:%.*]] = phi i32 [ [[RSR]], [[IF_THEN]] ], [ [[PSR]], [[FOR_BODY]] ]
306; UNROLL-NO-VF-NEXT:    [[YUR_0:%.*]] = phi i32 [ [[RUR]], [[IF_THEN]] ], [ [[PUR]], [[FOR_BODY]] ]
307; UNROLL-NO-VF-NEXT:    store i32 [[YSD_0]], ptr [[ISD]], align 4
308; UNROLL-NO-VF-NEXT:    store i32 [[YUD_0]], ptr [[IUD]], align 4
309; UNROLL-NO-VF-NEXT:    store i32 [[YSR_0]], ptr [[ISR]], align 4
310; UNROLL-NO-VF-NEXT:    store i32 [[YUR_0]], ptr [[IUR]], align 4
311; UNROLL-NO-VF-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
312; UNROLL-NO-VF-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 128
313; UNROLL-NO-VF-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
314;
315  ptr nocapture %asr, ptr nocapture %aur) {
316entry:
317  br label %for.body
318
319for.cond.cleanup:                                 ; preds = %if.end
320  ret void
321
322for.body:                                         ; preds = %if.end, %entry
323  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %if.end ]
324  %isd = getelementptr inbounds i32, ptr %asd, i64 %indvars.iv
325  %iud = getelementptr inbounds i32, ptr %aud, i64 %indvars.iv
326  %isr = getelementptr inbounds i32, ptr %asr, i64 %indvars.iv
327  %iur = getelementptr inbounds i32, ptr %aur, i64 %indvars.iv
328  %lsd = load i32, ptr %isd, align 4
329  %lud = load i32, ptr %iud, align 4
330  %lsr = load i32, ptr %isr, align 4
331  %lur = load i32, ptr %iur, align 4
332  %psd = add nsw i32 %lsd, 23
333  %pud = add nsw i32 %lud, 24
334  %psr = add nsw i32 %lsr, 25
335  %pur = add nsw i32 %lur, 26
336  %cmp1 = icmp slt i32 %lsd, 100
337  br i1 %cmp1, label %if.then, label %if.end
338
339if.then:                                          ; preds = %for.body
340  %rsd = sdiv i32 %psd, %lsd
341  %rud = udiv i32 %pud, %lud
342  %rsr = srem i32 %psr, %lsr
343  %rur = urem i32 %pur, %lur
344  br label %if.end
345
346if.end:                                           ; preds = %if.then, %for.body
347  %ysd.0 = phi i32 [ %rsd, %if.then ], [ %psd, %for.body ]
348  %yud.0 = phi i32 [ %rud, %if.then ], [ %pud, %for.body ]
349  %ysr.0 = phi i32 [ %rsr, %if.then ], [ %psr, %for.body ]
350  %yur.0 = phi i32 [ %rur, %if.then ], [ %pur, %for.body ]
351  store i32 %ysd.0, ptr %isd, align 4
352  store i32 %yud.0, ptr %iud, align 4
353  store i32 %ysr.0, ptr %isr, align 4
354  store i32 %yur.0, ptr %iur, align 4
355  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
356  %exitcond = icmp eq i64 %indvars.iv.next, 128
357  br i1 %exitcond, label %for.cond.cleanup, label %for.body
358}
359
360define void @test_scalar2scalar(ptr nocapture %asd, ptr nocapture %bsd) {
361; CHECK-LABEL: @test_scalar2scalar(
362; CHECK-NEXT:  entry:
363; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[ASD:%.*]], i64 512
364; CHECK-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[BSD:%.*]], i64 512
365; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP1]]
366; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[BSD]], [[SCEVGEP]]
367; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
368; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[FOR_BODY:%.*]], label [[VECTOR_BODY:%.*]]
369; CHECK:       vector.body:
370; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ [[INDEX_NEXT:%.*]], [[PRED_SDIV_CONTINUE4:%.*]] ], [ 0, [[ENTRY:%.*]] ]
371; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
372; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP0]]
373; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
374; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP2]], align 4, !alias.scope [[META20:![0-9]+]], !noalias [[META23:![0-9]+]]
375; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[TMP0]]
376; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0
377; CHECK-NEXT:    [[WIDE_LOAD2:%.*]] = load <2 x i32>, ptr [[TMP4]], align 4, !alias.scope [[META23]]
378; CHECK-NEXT:    [[TMP5:%.*]] = add nsw <2 x i32> [[WIDE_LOAD]], splat (i32 23)
379; CHECK-NEXT:    [[TMP6:%.*]] = icmp slt <2 x i32> [[WIDE_LOAD]], splat (i32 100)
380; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x i1> [[TMP6]], i32 0
381; CHECK-NEXT:    br i1 [[TMP7]], label [[PRED_SDIV_IF:%.*]], label [[PRED_SDIV_CONTINUE:%.*]]
382; CHECK:       pred.sdiv.if:
383; CHECK-NEXT:    [[TMP8:%.*]] = extractelement <2 x i32> [[TMP5]], i32 0
384; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
385; CHECK-NEXT:    [[TMP10:%.*]] = sdiv i32 [[TMP8]], [[TMP9]]
386; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <2 x i32> [[WIDE_LOAD2]], i32 0
387; CHECK-NEXT:    [[TMP12:%.*]] = sdiv i32 [[TMP11]], [[TMP10]]
388; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <2 x i32> poison, i32 [[TMP12]], i32 0
389; CHECK-NEXT:    br label [[PRED_SDIV_CONTINUE]]
390; CHECK:       pred.sdiv.continue:
391; CHECK-NEXT:    [[TMP15:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP13]], [[PRED_SDIV_IF]] ]
392; CHECK-NEXT:    [[TMP16:%.*]] = extractelement <2 x i1> [[TMP6]], i32 1
393; CHECK-NEXT:    br i1 [[TMP16]], label [[PRED_SDIV_IF3:%.*]], label [[PRED_SDIV_CONTINUE4]]
394; CHECK:       pred.sdiv.if3:
395; CHECK-NEXT:    [[TMP17:%.*]] = extractelement <2 x i32> [[TMP5]], i32 1
396; CHECK-NEXT:    [[TMP18:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
397; CHECK-NEXT:    [[TMP19:%.*]] = sdiv i32 [[TMP17]], [[TMP18]]
398; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <2 x i32> [[WIDE_LOAD2]], i32 1
399; CHECK-NEXT:    [[TMP21:%.*]] = sdiv i32 [[TMP20]], [[TMP19]]
400; CHECK-NEXT:    [[TMP22:%.*]] = insertelement <2 x i32> [[TMP15]], i32 [[TMP21]], i32 1
401; CHECK-NEXT:    br label [[PRED_SDIV_CONTINUE4]]
402; CHECK:       pred.sdiv.continue4:
403; CHECK-NEXT:    [[TMP24:%.*]] = phi <2 x i32> [ [[TMP15]], [[PRED_SDIV_CONTINUE]] ], [ [[TMP22]], [[PRED_SDIV_IF3]] ]
404; CHECK-NEXT:    [[TMP25:%.*]] = xor <2 x i1> [[TMP6]], splat (i1 true)
405; CHECK-NEXT:    [[PREDPHI:%.*]] = select <2 x i1> [[TMP25]], <2 x i32> [[TMP5]], <2 x i32> [[TMP24]]
406; CHECK-NEXT:    [[TMP26:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
407; CHECK-NEXT:    store <2 x i32> [[PREDPHI]], ptr [[TMP26]], align 4, !alias.scope [[META20]], !noalias [[META23]]
408; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
409; CHECK-NEXT:    [[TMP27:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
410; CHECK-NEXT:    br i1 [[TMP27]], label [[FOR_COND_CLEANUP:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
411; CHECK:       for.cond.cleanup:
412; CHECK-NEXT:    ret void
413; CHECK:       for.body:
414; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY]] ]
415; CHECK-NEXT:    [[ISD:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[INDVARS_IV]]
416; CHECK-NEXT:    [[LSD:%.*]] = load i32, ptr [[ISD]], align 4
417; CHECK-NEXT:    [[ISD_B:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[INDVARS_IV]]
418; CHECK-NEXT:    [[LSD_B:%.*]] = load i32, ptr [[ISD_B]], align 4
419; CHECK-NEXT:    [[PSD:%.*]] = add nsw i32 [[LSD]], 23
420; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i32 [[LSD]], 100
421; CHECK-NEXT:    br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_END]]
422; CHECK:       if.then:
423; CHECK-NEXT:    [[SD1:%.*]] = sdiv i32 [[PSD]], [[LSD]]
424; CHECK-NEXT:    [[RSD:%.*]] = sdiv i32 [[LSD_B]], [[SD1]]
425; CHECK-NEXT:    br label [[IF_END]]
426; CHECK:       if.end:
427; CHECK-NEXT:    [[YSD_0:%.*]] = phi i32 [ [[RSD]], [[IF_THEN]] ], [ [[PSD]], [[FOR_BODY]] ]
428; CHECK-NEXT:    store i32 [[YSD_0]], ptr [[ISD]], align 4
429; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
430; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 128
431; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
432;
433; UNROLL-NO-VF-LABEL: @test_scalar2scalar(
434; UNROLL-NO-VF-NEXT:  entry:
435; UNROLL-NO-VF-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
436; UNROLL-NO-VF:       vector.memcheck:
437; UNROLL-NO-VF-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[ASD:%.*]], i64 512
438; UNROLL-NO-VF-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[BSD:%.*]], i64 512
439; UNROLL-NO-VF-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP1]]
440; UNROLL-NO-VF-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[BSD]], [[SCEVGEP]]
441; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
442; UNROLL-NO-VF-NEXT:    br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
443; UNROLL-NO-VF:       vector.ph:
444; UNROLL-NO-VF-NEXT:    br label [[VECTOR_BODY:%.*]]
445; UNROLL-NO-VF:       vector.body:
446; UNROLL-NO-VF-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_SDIV_CONTINUE3:%.*]] ]
447; UNROLL-NO-VF-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
448; UNROLL-NO-VF-NEXT:    [[TMP1:%.*]] = add i64 [[INDEX]], 1
449; UNROLL-NO-VF-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP0]]
450; UNROLL-NO-VF-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP1]]
451; UNROLL-NO-VF-NEXT:    [[TMP4:%.*]] = load i32, ptr [[TMP2]], align 4, !alias.scope [[META20:![0-9]+]], !noalias [[META23:![0-9]+]]
452; UNROLL-NO-VF-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP3]], align 4, !alias.scope [[META20]], !noalias [[META23]]
453; UNROLL-NO-VF-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[TMP0]]
454; UNROLL-NO-VF-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[TMP1]]
455; UNROLL-NO-VF-NEXT:    [[TMP8:%.*]] = load i32, ptr [[TMP6]], align 4, !alias.scope [[META23]]
456; UNROLL-NO-VF-NEXT:    [[TMP9:%.*]] = load i32, ptr [[TMP7]], align 4, !alias.scope [[META23]]
457; UNROLL-NO-VF-NEXT:    [[TMP10:%.*]] = add nsw i32 [[TMP4]], 23
458; UNROLL-NO-VF-NEXT:    [[TMP11:%.*]] = add nsw i32 [[TMP5]], 23
459; UNROLL-NO-VF-NEXT:    [[TMP12:%.*]] = icmp slt i32 [[TMP4]], 100
460; UNROLL-NO-VF-NEXT:    [[TMP13:%.*]] = icmp slt i32 [[TMP5]], 100
461; UNROLL-NO-VF-NEXT:    br i1 [[TMP12]], label [[PRED_SDIV_IF:%.*]], label [[PRED_SDIV_CONTINUE:%.*]]
462; UNROLL-NO-VF:       pred.sdiv.if:
463; UNROLL-NO-VF-NEXT:    [[TMP14:%.*]] = sdiv i32 [[TMP10]], [[TMP4]]
464; UNROLL-NO-VF-NEXT:    [[TMP15:%.*]] = sdiv i32 [[TMP8]], [[TMP14]]
465; UNROLL-NO-VF-NEXT:    br label [[PRED_SDIV_CONTINUE]]
466; UNROLL-NO-VF:       pred.sdiv.continue:
467; UNROLL-NO-VF-NEXT:    [[TMP17:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP15]], [[PRED_SDIV_IF]] ]
468; UNROLL-NO-VF-NEXT:    br i1 [[TMP13]], label [[PRED_SDIV_IF2:%.*]], label [[PRED_SDIV_CONTINUE3]]
469; UNROLL-NO-VF:       pred.sdiv.if2:
470; UNROLL-NO-VF-NEXT:    [[TMP18:%.*]] = sdiv i32 [[TMP11]], [[TMP5]]
471; UNROLL-NO-VF-NEXT:    [[TMP19:%.*]] = sdiv i32 [[TMP9]], [[TMP18]]
472; UNROLL-NO-VF-NEXT:    br label [[PRED_SDIV_CONTINUE3]]
473; UNROLL-NO-VF:       pred.sdiv.continue3:
474; UNROLL-NO-VF-NEXT:    [[TMP21:%.*]] = phi i32 [ poison, [[PRED_SDIV_CONTINUE]] ], [ [[TMP19]], [[PRED_SDIV_IF2]] ]
475; UNROLL-NO-VF-NEXT:    [[TMP22:%.*]] = xor i1 [[TMP12]], true
476; UNROLL-NO-VF-NEXT:    [[TMP23:%.*]] = xor i1 [[TMP13]], true
477; UNROLL-NO-VF-NEXT:    [[PREDPHI:%.*]] = select i1 [[TMP22]], i32 [[TMP10]], i32 [[TMP17]]
478; UNROLL-NO-VF-NEXT:    [[PREDPHI4:%.*]] = select i1 [[TMP23]], i32 [[TMP11]], i32 [[TMP21]]
479; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI]], ptr [[TMP2]], align 4, !alias.scope [[META20]], !noalias [[META23]]
480; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI4]], ptr [[TMP3]], align 4, !alias.scope [[META20]], !noalias [[META23]]
481; UNROLL-NO-VF-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
482; UNROLL-NO-VF-NEXT:    [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
483; UNROLL-NO-VF-NEXT:    br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
484; UNROLL-NO-VF:       middle.block:
485; UNROLL-NO-VF-NEXT:    br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
486; UNROLL-NO-VF:       scalar.ph:
487; UNROLL-NO-VF-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ 128, [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY:%.*]] ]
488; UNROLL-NO-VF-NEXT:    br label [[FOR_BODY:%.*]]
489; UNROLL-NO-VF:       for.cond.cleanup:
490; UNROLL-NO-VF-NEXT:    ret void
491; UNROLL-NO-VF:       for.body:
492; UNROLL-NO-VF-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ]
493; UNROLL-NO-VF-NEXT:    [[ISD:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[INDVARS_IV]]
494; UNROLL-NO-VF-NEXT:    [[LSD:%.*]] = load i32, ptr [[ISD]], align 4
495; UNROLL-NO-VF-NEXT:    [[ISD_B:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[INDVARS_IV]]
496; UNROLL-NO-VF-NEXT:    [[LSD_B:%.*]] = load i32, ptr [[ISD_B]], align 4
497; UNROLL-NO-VF-NEXT:    [[PSD:%.*]] = add nsw i32 [[LSD]], 23
498; UNROLL-NO-VF-NEXT:    [[CMP1:%.*]] = icmp slt i32 [[LSD]], 100
499; UNROLL-NO-VF-NEXT:    br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_END]]
500; UNROLL-NO-VF:       if.then:
501; UNROLL-NO-VF-NEXT:    [[SD1:%.*]] = sdiv i32 [[PSD]], [[LSD]]
502; UNROLL-NO-VF-NEXT:    [[RSD:%.*]] = sdiv i32 [[LSD_B]], [[SD1]]
503; UNROLL-NO-VF-NEXT:    br label [[IF_END]]
504; UNROLL-NO-VF:       if.end:
505; UNROLL-NO-VF-NEXT:    [[YSD_0:%.*]] = phi i32 [ [[RSD]], [[IF_THEN]] ], [ [[PSD]], [[FOR_BODY]] ]
506; UNROLL-NO-VF-NEXT:    store i32 [[YSD_0]], ptr [[ISD]], align 4
507; UNROLL-NO-VF-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
508; UNROLL-NO-VF-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 128
509; UNROLL-NO-VF-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
510;
511entry:
512  br label %for.body
513
514for.cond.cleanup:                                 ; preds = %if.end
515  ret void
516
517
518for.body:                                         ; preds = %if.end, %entry
519  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %if.end ]
520  %isd = getelementptr inbounds i32, ptr %asd, i64 %indvars.iv
521  %lsd = load i32, ptr %isd, align 4
522  %isd.b = getelementptr inbounds i32, ptr %bsd, i64 %indvars.iv
523  %lsd.b = load i32, ptr %isd.b, align 4
524  %psd = add nsw i32 %lsd, 23
525  %cmp1 = icmp slt i32 %lsd, 100
526  br i1 %cmp1, label %if.then, label %if.end
527
528if.then:                                          ; preds = %for.body
529  %sd1 = sdiv i32 %psd, %lsd
530  %rsd = sdiv i32 %lsd.b, %sd1
531  br label %if.end
532
533if.end:                                           ; preds = %if.then, %for.body
534  %ysd.0 = phi i32 [ %rsd, %if.then ], [ %psd, %for.body ]
535  store i32 %ysd.0, ptr %isd, align 4
536  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
537  %exitcond = icmp eq i64 %indvars.iv.next, 128
538  br i1 %exitcond, label %for.cond.cleanup, label %for.body
539}
540
541define void @pr30172(ptr nocapture %asd, ptr nocapture %bsd) !dbg !5 {;
542; CHECK-LABEL: @pr30172(
543; CHECK-NEXT:  entry:
544; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[ASD:%.*]], i64 512
545; CHECK-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[BSD:%.*]], i64 512
546; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP1]]
547; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[BSD]], [[SCEVGEP]]
548; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
549; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[FOR_BODY:%.*]], label [[VECTOR_BODY:%.*]]
550; CHECK:       vector.body:
551; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ [[INDEX_NEXT:%.*]], [[PRED_SDIV_CONTINUE4:%.*]] ], [ 0, [[ENTRY:%.*]] ]
552; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
553; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP0]]
554; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
555; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP2]], align 4, !alias.scope [[META29:![0-9]+]], !noalias [[META32:![0-9]+]]
556; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[TMP0]]
557; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0
558; CHECK-NEXT:    [[WIDE_LOAD2:%.*]] = load <2 x i32>, ptr [[TMP4]], align 4, !alias.scope [[META32]]
559; CHECK-NEXT:    [[TMP5:%.*]] = add nsw <2 x i32> [[WIDE_LOAD]], splat (i32 23)
560; CHECK-NEXT:    [[TMP6:%.*]] = icmp slt <2 x i32> [[WIDE_LOAD]], splat (i32 100)
561; CHECK-NEXT:    [[TMP7:%.*]] = xor <2 x i1> [[TMP6]], splat (i1 true), !dbg [[DBG34:![0-9]+]]
562; CHECK-NEXT:    [[TMP8:%.*]] = icmp sge <2 x i32> [[WIDE_LOAD]], splat (i32 200)
563; CHECK-NEXT:    [[TMP9:%.*]] = select <2 x i1> [[TMP7]], <2 x i1> [[TMP8]], <2 x i1> zeroinitializer, !dbg [[DBG35:![0-9]+]]
564; CHECK-NEXT:    [[TMP10:%.*]] = or <2 x i1> [[TMP9]], [[TMP6]]
565; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <2 x i1> [[TMP10]], i32 0
566; CHECK-NEXT:    br i1 [[TMP11]], label [[PRED_SDIV_IF:%.*]], label [[PRED_SDIV_CONTINUE:%.*]]
567; CHECK:       pred.sdiv.if:
568; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <2 x i32> [[TMP5]], i32 0
569; CHECK-NEXT:    [[TMP13:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
570; CHECK-NEXT:    [[TMP14:%.*]] = sdiv i32 [[TMP12]], [[TMP13]]
571; CHECK-NEXT:    [[TMP15:%.*]] = extractelement <2 x i32> [[WIDE_LOAD2]], i32 0
572; CHECK-NEXT:    [[TMP16:%.*]] = sdiv i32 [[TMP15]], [[TMP14]]
573; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <2 x i32> poison, i32 [[TMP16]], i32 0
574; CHECK-NEXT:    br label [[PRED_SDIV_CONTINUE]]
575; CHECK:       pred.sdiv.continue:
576; CHECK-NEXT:    [[TMP19:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP17]], [[PRED_SDIV_IF]] ]
577; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <2 x i1> [[TMP10]], i32 1
578; CHECK-NEXT:    br i1 [[TMP20]], label [[PRED_SDIV_IF3:%.*]], label [[PRED_SDIV_CONTINUE4]]
579; CHECK:       pred.sdiv.if3:
580; CHECK-NEXT:    [[TMP21:%.*]] = extractelement <2 x i32> [[TMP5]], i32 1
581; CHECK-NEXT:    [[TMP22:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
582; CHECK-NEXT:    [[TMP23:%.*]] = sdiv i32 [[TMP21]], [[TMP22]]
583; CHECK-NEXT:    [[TMP24:%.*]] = extractelement <2 x i32> [[WIDE_LOAD2]], i32 1
584; CHECK-NEXT:    [[TMP25:%.*]] = sdiv i32 [[TMP24]], [[TMP23]]
585; CHECK-NEXT:    [[TMP26:%.*]] = insertelement <2 x i32> [[TMP19]], i32 [[TMP25]], i32 1
586; CHECK-NEXT:    br label [[PRED_SDIV_CONTINUE4]]
587; CHECK:       pred.sdiv.continue4:
588; CHECK-NEXT:    [[TMP28:%.*]] = phi <2 x i32> [ [[TMP19]], [[PRED_SDIV_CONTINUE]] ], [ [[TMP26]], [[PRED_SDIV_IF3]] ]
589; CHECK-NEXT:    [[TMP27:%.*]] = xor <2 x i1> [[TMP8]], splat (i1 true), !dbg [[DBG35]]
590; CHECK-NEXT:    [[TMP30:%.*]] = select <2 x i1> [[TMP7]], <2 x i1> [[TMP27]], <2 x i1> zeroinitializer, !dbg [[DBG35]]
591; CHECK-NEXT:    [[PREDPHI:%.*]] = select <2 x i1> [[TMP30]], <2 x i32> [[TMP5]], <2 x i32> [[TMP28]]
592; CHECK-NEXT:    [[TMP31:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
593; CHECK-NEXT:    store <2 x i32> [[PREDPHI]], ptr [[TMP31]], align 4, !alias.scope [[META29]], !noalias [[META32]]
594; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
595; CHECK-NEXT:    [[TMP32:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
596; CHECK-NEXT:    br i1 [[TMP32]], label [[FOR_COND_CLEANUP:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
597; CHECK:       for.cond.cleanup:
598; CHECK-NEXT:    ret void
599; CHECK:       for.body:
600; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ], [ 0, [[ENTRY]] ]
601; CHECK-NEXT:    [[ISD:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[INDVARS_IV]]
602; CHECK-NEXT:    [[LSD:%.*]] = load i32, ptr [[ISD]], align 4
603; CHECK-NEXT:    [[ISD_B:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[INDVARS_IV]]
604; CHECK-NEXT:    [[LSD_B:%.*]] = load i32, ptr [[ISD_B]], align 4
605; CHECK-NEXT:    [[PSD:%.*]] = add nsw i32 [[LSD]], 23
606; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i32 [[LSD]], 100
607; CHECK-NEXT:    [[CMP2:%.*]] = icmp sge i32 [[LSD]], 200
608; CHECK-NEXT:    [[OR_COND:%.*]] = or i1 [[CMP1]], [[CMP2]], !dbg [[DBG34]]
609; CHECK-NEXT:    br i1 [[OR_COND]], label [[IF_THEN:%.*]], label [[IF_END]], !dbg [[DBG34]]
610; CHECK:       if.then:
611; CHECK-NEXT:    [[SD1:%.*]] = sdiv i32 [[PSD]], [[LSD]]
612; CHECK-NEXT:    [[RSD:%.*]] = sdiv i32 [[LSD_B]], [[SD1]]
613; CHECK-NEXT:    br label [[IF_END]]
614; CHECK:       if.end:
615; CHECK-NEXT:    [[YSD_0:%.*]] = phi i32 [ [[RSD]], [[IF_THEN]] ], [ [[PSD]], [[FOR_BODY]] ]
616; CHECK-NEXT:    store i32 [[YSD_0]], ptr [[ISD]], align 4
617; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
618; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 128
619; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP37:![0-9]+]]
620;
621; UNROLL-NO-VF-LABEL: @pr30172(
622; UNROLL-NO-VF-NEXT:  entry:
623; UNROLL-NO-VF-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
624; UNROLL-NO-VF:       vector.memcheck:
625; UNROLL-NO-VF-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[ASD:%.*]], i64 512
626; UNROLL-NO-VF-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[BSD:%.*]], i64 512
627; UNROLL-NO-VF-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[ASD]], [[SCEVGEP1]]
628; UNROLL-NO-VF-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[BSD]], [[SCEVGEP]]
629; UNROLL-NO-VF-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
630; UNROLL-NO-VF-NEXT:    br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
631; UNROLL-NO-VF:       vector.ph:
632; UNROLL-NO-VF-NEXT:    br label [[VECTOR_BODY:%.*]]
633; UNROLL-NO-VF:       vector.body:
634; UNROLL-NO-VF-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_SDIV_CONTINUE3:%.*]] ]
635; UNROLL-NO-VF-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
636; UNROLL-NO-VF-NEXT:    [[TMP1:%.*]] = add i64 [[INDEX]], 1
637; UNROLL-NO-VF-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP0]]
638; UNROLL-NO-VF-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[TMP1]]
639; UNROLL-NO-VF-NEXT:    [[TMP4:%.*]] = load i32, ptr [[TMP2]], align 4, !alias.scope [[META29:![0-9]+]], !noalias [[META32:![0-9]+]]
640; UNROLL-NO-VF-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP3]], align 4, !alias.scope [[META29]], !noalias [[META32]]
641; UNROLL-NO-VF-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[TMP0]]
642; UNROLL-NO-VF-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[TMP1]]
643; UNROLL-NO-VF-NEXT:    [[TMP8:%.*]] = load i32, ptr [[TMP6]], align 4, !alias.scope [[META32]]
644; UNROLL-NO-VF-NEXT:    [[TMP9:%.*]] = load i32, ptr [[TMP7]], align 4, !alias.scope [[META32]]
645; UNROLL-NO-VF-NEXT:    [[TMP10:%.*]] = add nsw i32 [[TMP4]], 23
646; UNROLL-NO-VF-NEXT:    [[TMP11:%.*]] = add nsw i32 [[TMP5]], 23
647; UNROLL-NO-VF-NEXT:    [[TMP12:%.*]] = icmp slt i32 [[TMP4]], 100
648; UNROLL-NO-VF-NEXT:    [[TMP13:%.*]] = icmp slt i32 [[TMP5]], 100
649; UNROLL-NO-VF-NEXT:    [[TMP14:%.*]] = xor i1 [[TMP12]], true, !dbg [[DBG34:![0-9]+]]
650; UNROLL-NO-VF-NEXT:    [[TMP15:%.*]] = xor i1 [[TMP13]], true, !dbg [[DBG34]]
651; UNROLL-NO-VF-NEXT:    [[TMP16:%.*]] = icmp sge i32 [[TMP4]], 200, !dbg [[DBG34]]
652; UNROLL-NO-VF-NEXT:    [[TMP17:%.*]] = icmp sge i32 [[TMP5]], 200, !dbg [[DBG34]]
653; UNROLL-NO-VF-NEXT:    [[TMP18:%.*]] = select i1 [[TMP14]], i1 [[TMP16]], i1 false, !dbg [[DBG35:![0-9]+]]
654; UNROLL-NO-VF-NEXT:    [[TMP19:%.*]] = select i1 [[TMP15]], i1 [[TMP17]], i1 false, !dbg [[DBG35]]
655; UNROLL-NO-VF-NEXT:    [[TMP20:%.*]] = or i1 [[TMP18]], [[TMP12]]
656; UNROLL-NO-VF-NEXT:    [[TMP21:%.*]] = or i1 [[TMP19]], [[TMP13]]
657; UNROLL-NO-VF-NEXT:    br i1 [[TMP20]], label [[PRED_SDIV_IF:%.*]], label [[PRED_SDIV_CONTINUE:%.*]]
658; UNROLL-NO-VF:       pred.sdiv.if:
659; UNROLL-NO-VF-NEXT:    [[TMP22:%.*]] = sdiv i32 [[TMP10]], [[TMP4]]
660; UNROLL-NO-VF-NEXT:    [[TMP23:%.*]] = sdiv i32 [[TMP8]], [[TMP22]]
661; UNROLL-NO-VF-NEXT:    br label [[PRED_SDIV_CONTINUE]]
662; UNROLL-NO-VF:       pred.sdiv.continue:
663; UNROLL-NO-VF-NEXT:    [[TMP25:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP23]], [[PRED_SDIV_IF]] ]
664; UNROLL-NO-VF-NEXT:    br i1 [[TMP21]], label [[PRED_SDIV_IF2:%.*]], label [[PRED_SDIV_CONTINUE3]]
665; UNROLL-NO-VF:       pred.sdiv.if2:
666; UNROLL-NO-VF-NEXT:    [[TMP26:%.*]] = sdiv i32 [[TMP11]], [[TMP5]]
667; UNROLL-NO-VF-NEXT:    [[TMP27:%.*]] = sdiv i32 [[TMP9]], [[TMP26]]
668; UNROLL-NO-VF-NEXT:    br label [[PRED_SDIV_CONTINUE3]]
669; UNROLL-NO-VF:       pred.sdiv.continue3:
670; UNROLL-NO-VF-NEXT:    [[TMP29:%.*]] = phi i32 [ poison, [[PRED_SDIV_CONTINUE]] ], [ [[TMP27]], [[PRED_SDIV_IF2]] ]
671; UNROLL-NO-VF-NEXT:    [[TMP28:%.*]] = xor i1 [[TMP16]], true, !dbg [[DBG35]]
672; UNROLL-NO-VF-NEXT:    [[TMP30:%.*]] = xor i1 [[TMP17]], true, !dbg [[DBG35]]
673; UNROLL-NO-VF-NEXT:    [[TMP32:%.*]] = select i1 [[TMP14]], i1 [[TMP28]], i1 false, !dbg [[DBG35]]
674; UNROLL-NO-VF-NEXT:    [[TMP33:%.*]] = select i1 [[TMP15]], i1 [[TMP30]], i1 false, !dbg [[DBG35]]
675; UNROLL-NO-VF-NEXT:    [[PREDPHI:%.*]] = select i1 [[TMP32]], i32 [[TMP10]], i32 [[TMP25]]
676; UNROLL-NO-VF-NEXT:    [[PREDPHI4:%.*]] = select i1 [[TMP33]], i32 [[TMP11]], i32 [[TMP29]]
677; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI]], ptr [[TMP2]], align 4, !alias.scope [[META29]], !noalias [[META32]]
678; UNROLL-NO-VF-NEXT:    store i32 [[PREDPHI4]], ptr [[TMP3]], align 4, !alias.scope [[META29]], !noalias [[META32]]
679; UNROLL-NO-VF-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
680; UNROLL-NO-VF-NEXT:    [[TMP34:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
681; UNROLL-NO-VF-NEXT:    br i1 [[TMP34]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
682; UNROLL-NO-VF:       middle.block:
683; UNROLL-NO-VF-NEXT:    br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
684; UNROLL-NO-VF:       scalar.ph:
685; UNROLL-NO-VF-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ 128, [[MIDDLE_BLOCK]] ], [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY:%.*]] ]
686; UNROLL-NO-VF-NEXT:    br label [[FOR_BODY:%.*]]
687; UNROLL-NO-VF:       for.cond.cleanup:
688; UNROLL-NO-VF-NEXT:    ret void
689; UNROLL-NO-VF:       for.body:
690; UNROLL-NO-VF-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[IF_END:%.*]] ]
691; UNROLL-NO-VF-NEXT:    [[ISD:%.*]] = getelementptr inbounds i32, ptr [[ASD]], i64 [[INDVARS_IV]]
692; UNROLL-NO-VF-NEXT:    [[LSD:%.*]] = load i32, ptr [[ISD]], align 4
693; UNROLL-NO-VF-NEXT:    [[ISD_B:%.*]] = getelementptr inbounds i32, ptr [[BSD]], i64 [[INDVARS_IV]]
694; UNROLL-NO-VF-NEXT:    [[LSD_B:%.*]] = load i32, ptr [[ISD_B]], align 4
695; UNROLL-NO-VF-NEXT:    [[PSD:%.*]] = add nsw i32 [[LSD]], 23
696; UNROLL-NO-VF-NEXT:    [[CMP1:%.*]] = icmp slt i32 [[LSD]], 100
697; UNROLL-NO-VF-NEXT:    br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[CHECKBB:%.*]], !dbg [[DBG34]]
698; UNROLL-NO-VF:       checkbb:
699; UNROLL-NO-VF-NEXT:    [[CMP2:%.*]] = icmp sge i32 [[LSD]], 200
700; UNROLL-NO-VF-NEXT:    br i1 [[CMP2]], label [[IF_THEN]], label [[IF_END]], !dbg [[DBG35]]
701; UNROLL-NO-VF:       if.then:
702; UNROLL-NO-VF-NEXT:    [[SD1:%.*]] = sdiv i32 [[PSD]], [[LSD]]
703; UNROLL-NO-VF-NEXT:    [[RSD:%.*]] = sdiv i32 [[LSD_B]], [[SD1]]
704; UNROLL-NO-VF-NEXT:    br label [[IF_END]]
705; UNROLL-NO-VF:       if.end:
706; UNROLL-NO-VF-NEXT:    [[YSD_0:%.*]] = phi i32 [ [[RSD]], [[IF_THEN]] ], [ [[PSD]], [[CHECKBB]] ]
707; UNROLL-NO-VF-NEXT:    store i32 [[YSD_0]], ptr [[ISD]], align 4
708; UNROLL-NO-VF-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
709; UNROLL-NO-VF-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 128
710; UNROLL-NO-VF-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP37:![0-9]+]]
711;
712entry:
713  br label %for.body
714
715for.cond.cleanup:                                 ; preds = %if.end
716  ret void
717
718for.body:                                         ; preds = %if.end, %entry
719  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %if.end ]
720  %isd = getelementptr inbounds i32, ptr %asd, i64 %indvars.iv
721  %lsd = load i32, ptr %isd, align 4
722  %isd.b = getelementptr inbounds i32, ptr %bsd, i64 %indvars.iv
723  %lsd.b = load i32, ptr %isd.b, align 4
724  %psd = add nsw i32 %lsd, 23
725  %cmp1 = icmp slt i32 %lsd, 100
726  br i1 %cmp1, label %if.then, label %checkbb, !dbg !7
727
728checkbb:                                            ; preds = %for.body
729  %cmp2 = icmp sge i32 %lsd, 200
730  br i1 %cmp2, label %if.then, label %if.end, !dbg !8
731
732if.then:                                          ; preds = %checkbb, %for.body
733  %sd1 = sdiv i32 %psd, %lsd
734  %rsd = sdiv i32 %lsd.b, %sd1
735  br label %if.end
736
737if.end:                                           ; preds = %if.then, %checkbb
738  %ysd.0 = phi i32 [ %rsd, %if.then ], [ %psd, %checkbb ]
739  store i32 %ysd.0, ptr %isd, align 4
740  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
741  %exitcond = icmp eq i64 %indvars.iv.next, 128
742  br i1 %exitcond, label %for.cond.cleanup, label %for.body
743}
744
745define i32 @predicated_udiv_scalarized_operand(ptr %a, i1 %c, i32 %x, i64 %n) {
746; CHECK-LABEL: @predicated_udiv_scalarized_operand(
747; CHECK-NEXT:  entry:
748; CHECK-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
749; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
750; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
751; CHECK:       vector.ph:
752; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 2
753; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
754; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i1> poison, i1 [[C:%.*]], i64 0
755; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i1> [[BROADCAST_SPLATINSERT]], <2 x i1> poison, <2 x i32> zeroinitializer
756; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
757; CHECK:       vector.body:
758; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE2:%.*]] ]
759; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[PRED_UDIV_CONTINUE2]] ]
760; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
761; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[TMP0]]
762; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
763; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP2]], align 4
764; CHECK-NEXT:    br i1 [[C]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
765; CHECK:       pred.udiv.if:
766; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
767; CHECK-NEXT:    [[TMP5:%.*]] = add nsw i32 [[TMP4]], [[X:%.*]]
768; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
769; CHECK-NEXT:    [[TMP7:%.*]] = udiv i32 [[TMP6]], [[TMP5]]
770; CHECK-NEXT:    [[TMP8:%.*]] = insertelement <2 x i32> poison, i32 [[TMP7]], i32 0
771; CHECK-NEXT:    br label [[PRED_UDIV_CONTINUE]]
772; CHECK:       pred.udiv.continue:
773; CHECK-NEXT:    [[TMP9:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP8]], [[PRED_UDIV_IF]] ]
774; CHECK-NEXT:    br i1 [[C]], label [[PRED_UDIV_IF1:%.*]], label [[PRED_UDIV_CONTINUE2]]
775; CHECK:       pred.udiv.if1:
776; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
777; CHECK-NEXT:    [[TMP12:%.*]] = add nsw i32 [[TMP11]], [[X]]
778; CHECK-NEXT:    [[TMP13:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
779; CHECK-NEXT:    [[TMP14:%.*]] = udiv i32 [[TMP13]], [[TMP12]]
780; CHECK-NEXT:    [[TMP15:%.*]] = insertelement <2 x i32> [[TMP9]], i32 [[TMP14]], i32 1
781; CHECK-NEXT:    br label [[PRED_UDIV_CONTINUE2]]
782; CHECK:       pred.udiv.continue2:
783; CHECK-NEXT:    [[TMP16:%.*]] = phi <2 x i32> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP15]], [[PRED_UDIV_IF1]] ]
784; CHECK-NEXT:    [[PREDPHI:%.*]] = select <2 x i1> [[BROADCAST_SPLAT]], <2 x i32> [[TMP16]], <2 x i32> [[WIDE_LOAD]]
785; CHECK-NEXT:    [[TMP18]] = add <2 x i32> [[VEC_PHI]], [[PREDPHI]]
786; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
787; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
788; CHECK-NEXT:    br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
789; CHECK:       middle.block:
790; CHECK-NEXT:    [[TMP20:%.*]] = call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> [[TMP18]])
791; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
792; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
793; CHECK:       scalar.ph:
794; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
795; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP20]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
796; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
797; CHECK:       for.body:
798; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ]
799; CHECK-NEXT:    [[R:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[T6:%.*]], [[FOR_INC]] ]
800; CHECK-NEXT:    [[T0:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]]
801; CHECK-NEXT:    [[T2:%.*]] = load i32, ptr [[T0]], align 4
802; CHECK-NEXT:    br i1 [[C]], label [[IF_THEN:%.*]], label [[FOR_INC]]
803; CHECK:       if.then:
804; CHECK-NEXT:    [[T3:%.*]] = add nsw i32 [[T2]], [[X]]
805; CHECK-NEXT:    [[T4:%.*]] = udiv i32 [[T2]], [[T3]]
806; CHECK-NEXT:    br label [[FOR_INC]]
807; CHECK:       for.inc:
808; CHECK-NEXT:    [[T5:%.*]] = phi i32 [ [[T2]], [[FOR_BODY]] ], [ [[T4]], [[IF_THEN]] ]
809; CHECK-NEXT:    [[T6]] = add i32 [[R]], [[T5]]
810; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
811; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
812; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP39:![0-9]+]]
813; CHECK:       for.end:
814; CHECK-NEXT:    [[T7:%.*]] = phi i32 [ [[T6]], [[FOR_INC]] ], [ [[TMP20]], [[MIDDLE_BLOCK]] ]
815; CHECK-NEXT:    ret i32 [[T7]]
816;
817; UNROLL-NO-VF-LABEL: @predicated_udiv_scalarized_operand(
818; UNROLL-NO-VF-NEXT:  entry:
819; UNROLL-NO-VF-NEXT:    [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
820; UNROLL-NO-VF-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
821; UNROLL-NO-VF-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
822; UNROLL-NO-VF:       vector.ph:
823; UNROLL-NO-VF-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 2
824; UNROLL-NO-VF-NEXT:    [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
825; UNROLL-NO-VF-NEXT:    br label [[VECTOR_BODY:%.*]]
826; UNROLL-NO-VF:       vector.body:
827; UNROLL-NO-VF-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE3:%.*]] ]
828; UNROLL-NO-VF-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP14:%.*]], [[PRED_UDIV_CONTINUE3]] ]
829; UNROLL-NO-VF-NEXT:    [[VEC_PHI1:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[PRED_UDIV_CONTINUE3]] ]
830; UNROLL-NO-VF-NEXT:    [[TMP0:%.*]] = add i64 [[INDEX]], 0
831; UNROLL-NO-VF-NEXT:    [[TMP1:%.*]] = add i64 [[INDEX]], 1
832; UNROLL-NO-VF-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[TMP0]]
833; UNROLL-NO-VF-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP1]]
834; UNROLL-NO-VF-NEXT:    [[TMP4:%.*]] = load i32, ptr [[TMP2]], align 4
835; UNROLL-NO-VF-NEXT:    [[TMP5:%.*]] = load i32, ptr [[TMP3]], align 4
836; UNROLL-NO-VF-NEXT:    br i1 [[C:%.*]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
837; UNROLL-NO-VF:       pred.udiv.if:
838; UNROLL-NO-VF-NEXT:    [[TMP6:%.*]] = add nsw i32 [[TMP4]], [[X:%.*]]
839; UNROLL-NO-VF-NEXT:    [[TMP7:%.*]] = udiv i32 [[TMP4]], [[TMP6]]
840; UNROLL-NO-VF-NEXT:    br label [[PRED_UDIV_CONTINUE]]
841; UNROLL-NO-VF:       pred.udiv.continue:
842; UNROLL-NO-VF-NEXT:    [[TMP8:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_UDIV_IF]] ]
843; UNROLL-NO-VF-NEXT:    br i1 [[C]], label [[PRED_UDIV_IF2:%.*]], label [[PRED_UDIV_CONTINUE3]]
844; UNROLL-NO-VF:       pred.udiv.if2:
845; UNROLL-NO-VF-NEXT:    [[TMP9:%.*]] = add nsw i32 [[TMP5]], [[X]]
846; UNROLL-NO-VF-NEXT:    [[TMP10:%.*]] = udiv i32 [[TMP5]], [[TMP9]]
847; UNROLL-NO-VF-NEXT:    br label [[PRED_UDIV_CONTINUE3]]
848; UNROLL-NO-VF:       pred.udiv.continue3:
849; UNROLL-NO-VF-NEXT:    [[TMP11:%.*]] = phi i32 [ poison, [[PRED_UDIV_CONTINUE]] ], [ [[TMP10]], [[PRED_UDIV_IF2]] ]
850; UNROLL-NO-VF-NEXT:    [[PREDPHI:%.*]] = select i1 [[C]], i32 [[TMP8]], i32 [[TMP4]]
851; UNROLL-NO-VF-NEXT:    [[PREDPHI4:%.*]] = select i1 [[C]], i32 [[TMP11]], i32 [[TMP5]]
852; UNROLL-NO-VF-NEXT:    [[TMP14]] = add i32 [[VEC_PHI]], [[PREDPHI]]
853; UNROLL-NO-VF-NEXT:    [[TMP15]] = add i32 [[VEC_PHI1]], [[PREDPHI4]]
854; UNROLL-NO-VF-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
855; UNROLL-NO-VF-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
856; UNROLL-NO-VF-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
857; UNROLL-NO-VF:       middle.block:
858; UNROLL-NO-VF-NEXT:    [[BIN_RDX:%.*]] = add i32 [[TMP15]], [[TMP14]]
859; UNROLL-NO-VF-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
860; UNROLL-NO-VF-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
861; UNROLL-NO-VF:       scalar.ph:
862; UNROLL-NO-VF-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
863; UNROLL-NO-VF-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
864; UNROLL-NO-VF-NEXT:    br label [[FOR_BODY:%.*]]
865; UNROLL-NO-VF:       for.body:
866; UNROLL-NO-VF-NEXT:    [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ]
867; UNROLL-NO-VF-NEXT:    [[R:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[T6:%.*]], [[FOR_INC]] ]
868; UNROLL-NO-VF-NEXT:    [[T0:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]]
869; UNROLL-NO-VF-NEXT:    [[T2:%.*]] = load i32, ptr [[T0]], align 4
870; UNROLL-NO-VF-NEXT:    br i1 [[C]], label [[IF_THEN:%.*]], label [[FOR_INC]]
871; UNROLL-NO-VF:       if.then:
872; UNROLL-NO-VF-NEXT:    [[T3:%.*]] = add nsw i32 [[T2]], [[X]]
873; UNROLL-NO-VF-NEXT:    [[T4:%.*]] = udiv i32 [[T2]], [[T3]]
874; UNROLL-NO-VF-NEXT:    br label [[FOR_INC]]
875; UNROLL-NO-VF:       for.inc:
876; UNROLL-NO-VF-NEXT:    [[T5:%.*]] = phi i32 [ [[T2]], [[FOR_BODY]] ], [ [[T4]], [[IF_THEN]] ]
877; UNROLL-NO-VF-NEXT:    [[T6]] = add i32 [[R]], [[T5]]
878; UNROLL-NO-VF-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
879; UNROLL-NO-VF-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
880; UNROLL-NO-VF-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP39:![0-9]+]]
881; UNROLL-NO-VF:       for.end:
882; UNROLL-NO-VF-NEXT:    [[T7:%.*]] = phi i32 [ [[T6]], [[FOR_INC]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
883; UNROLL-NO-VF-NEXT:    ret i32 [[T7]]
884;
885entry:
886  br label %for.body
887
888
889; Test predicating an instruction that feeds a vectorizable use, when unrolled
890; but not vectorized. Derived from pr34248 reproducer.
891for.body:
892  %i = phi i64 [ 0, %entry ], [ %i.next, %for.inc ]
893  %r = phi i32 [ 0, %entry ], [ %t6, %for.inc ]
894  %t0 = getelementptr inbounds i32, ptr %a, i64 %i
895  %t2 = load i32, ptr %t0, align 4
896  br i1 %c, label %if.then, label %for.inc
897
898if.then:
899  %t3 = add nsw i32 %t2, %x
900  %t4 = udiv i32 %t2, %t3
901  br label %for.inc
902
903for.inc:
904  %t5 = phi i32 [ %t2, %for.body ], [ %t4, %if.then]
905  %t6 = add i32 %r, %t5
906  %i.next = add nuw nsw i64 %i, 1
907  %cond = icmp slt i64 %i.next, %n
908  br i1 %cond, label %for.body, label %for.end
909
910for.end:
911  %t7 = phi i32 [ %t6, %for.inc ]
912  ret i32 %t7
913}
914
915!llvm.dbg.cu = !{!0}
916!llvm.module.flags = !{!3, !4}
917
918!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
919!1 = !DIFile(filename: "/tmp/s.c", directory: "/tmp")
920!2 = !{}
921!3 = !{i32 2, !"Debug Info Version", i32 3}
922!4 = !{i32 7, !"PIC Level", i32 2}
923!5 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 4, type: !6, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
924!6 = !DISubroutineType(types: !2)
925!7 = !DILocation(line: 5, column: 21, scope: !5)
926!8 = !DILocation(line: 5, column: 3, scope: !5)
927
928
929