1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s  -loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -prefer-inloop-reductions -dce -instcombine -S | FileCheck %s
3
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5
6define i32 @reduction_sum_single(i32* noalias nocapture %A) {
7; CHECK-LABEL: @reduction_sum_single(
8; CHECK-NEXT:  entry:
9; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
10; CHECK:       vector.ph:
11; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
12; CHECK:       vector.body:
13; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
14; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
15; CHECK-NEXT:    [[VEC_PHI1:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
16; CHECK-NEXT:    [[VEC_PHI2:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP13:%.*]], [[VECTOR_BODY]] ]
17; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[VECTOR_BODY]] ]
18; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
19; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
20; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
21; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 4
22; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
23; CHECK-NEXT:    [[WIDE_LOAD4:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
24; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 8
25; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <4 x i32>*
26; CHECK-NEXT:    [[WIDE_LOAD5:%.*]] = load <4 x i32>, <4 x i32>* [[TMP5]], align 4
27; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 12
28; CHECK-NEXT:    [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <4 x i32>*
29; CHECK-NEXT:    [[WIDE_LOAD6:%.*]] = load <4 x i32>, <4 x i32>* [[TMP7]], align 4
30; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD]])
31; CHECK-NEXT:    [[TMP9]] = add i32 [[TMP8]], [[VEC_PHI]]
32; CHECK-NEXT:    [[TMP10:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD4]])
33; CHECK-NEXT:    [[TMP11]] = add i32 [[TMP10]], [[VEC_PHI1]]
34; CHECK-NEXT:    [[TMP12:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD5]])
35; CHECK-NEXT:    [[TMP13]] = add i32 [[TMP12]], [[VEC_PHI2]]
36; CHECK-NEXT:    [[TMP14:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD6]])
37; CHECK-NEXT:    [[TMP15]] = add i32 [[TMP14]], [[VEC_PHI3]]
38; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
39; CHECK-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
40; CHECK-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
41; CHECK:       middle.block:
42; CHECK-NEXT:    [[BIN_RDX:%.*]] = add i32 [[TMP11]], [[TMP9]]
43; CHECK-NEXT:    [[BIN_RDX7:%.*]] = add i32 [[TMP13]], [[BIN_RDX]]
44; CHECK-NEXT:    [[BIN_RDX8:%.*]] = add i32 [[TMP15]], [[BIN_RDX7]]
45; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
46; CHECK:       scalar.ph:
47; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
48; CHECK:       .lr.ph:
49; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]]
50; CHECK:       ._crit_edge:
51; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[BIN_RDX8]], [[MIDDLE_BLOCK]] ]
52; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
53;
54entry:
55  br label %.lr.ph
56
57.lr.ph:                                           ; preds = %entry, %.lr.ph
58  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
59  %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
60  %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
61  %l3 = load i32, i32* %l2, align 4
62  %l7 = add i32 %sum.02, %l3
63  %indvars.iv.next = add i64 %indvars.iv, 1
64  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
65  %exitcond = icmp eq i32 %lftr.wideiv, 256
66  br i1 %exitcond, label %._crit_edge, label %.lr.ph
67
68._crit_edge:                                      ; preds = %.lr.ph
69  %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
70  ret i32 %sum.0.lcssa
71}
72
73define i32 @predicated(i32* noalias nocapture %A) {
74; CHECK-LABEL: @predicated(
75; CHECK-NEXT:  entry:
76; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
77; CHECK:       vector.ph:
78; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
79; CHECK:       vector.body:
80; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE36:%.*]] ]
81; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE36]] ]
82; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP101:%.*]], [[PRED_LOAD_CONTINUE36]] ]
83; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP104:%.*]], [[PRED_LOAD_CONTINUE36]] ]
84; CHECK-NEXT:    [[VEC_PHI5:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP107:%.*]], [[PRED_LOAD_CONTINUE36]] ]
85; CHECK-NEXT:    [[VEC_PHI6:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP110:%.*]], [[PRED_LOAD_CONTINUE36]] ]
86; CHECK-NEXT:    [[STEP_ADD:%.*]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
87; CHECK-NEXT:    [[STEP_ADD1:%.*]] = add <4 x i64> [[VEC_IND]], <i64 8, i64 8, i64 8, i64 8>
88; CHECK-NEXT:    [[STEP_ADD2:%.*]] = add <4 x i64> [[VEC_IND]], <i64 12, i64 12, i64 12, i64 12>
89; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i64> [[VEC_IND]], <i64 257, i64 257, i64 257, i64 257>
90; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult <4 x i64> [[STEP_ADD]], <i64 257, i64 257, i64 257, i64 257>
91; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult <4 x i64> [[STEP_ADD1]], <i64 257, i64 257, i64 257, i64 257>
92; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult <4 x i64> [[STEP_ADD2]], <i64 257, i64 257, i64 257, i64 257>
93; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
94; CHECK-NEXT:    br i1 [[TMP4]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
95; CHECK:       pred.load.if:
96; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
97; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
98; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
99; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
100; CHECK:       pred.load.continue:
101; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
102; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
103; CHECK-NEXT:    br i1 [[TMP9]], label [[PRED_LOAD_IF7:%.*]], label [[PRED_LOAD_CONTINUE8:%.*]]
104; CHECK:       pred.load.if7:
105; CHECK-NEXT:    [[TMP10:%.*]] = or i64 [[INDEX]], 1
106; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP10]]
107; CHECK-NEXT:    [[TMP12:%.*]] = load i32, i32* [[TMP11]], align 4
108; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP12]], i64 1
109; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE8]]
110; CHECK:       pred.load.continue8:
111; CHECK-NEXT:    [[TMP14:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP13]], [[PRED_LOAD_IF7]] ]
112; CHECK-NEXT:    [[TMP15:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
113; CHECK-NEXT:    br i1 [[TMP15]], label [[PRED_LOAD_IF9:%.*]], label [[PRED_LOAD_CONTINUE10:%.*]]
114; CHECK:       pred.load.if9:
115; CHECK-NEXT:    [[TMP16:%.*]] = or i64 [[INDEX]], 2
116; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP16]]
117; CHECK-NEXT:    [[TMP18:%.*]] = load i32, i32* [[TMP17]], align 4
118; CHECK-NEXT:    [[TMP19:%.*]] = insertelement <4 x i32> [[TMP14]], i32 [[TMP18]], i64 2
119; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE10]]
120; CHECK:       pred.load.continue10:
121; CHECK-NEXT:    [[TMP20:%.*]] = phi <4 x i32> [ [[TMP14]], [[PRED_LOAD_CONTINUE8]] ], [ [[TMP19]], [[PRED_LOAD_IF9]] ]
122; CHECK-NEXT:    [[TMP21:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
123; CHECK-NEXT:    br i1 [[TMP21]], label [[PRED_LOAD_IF11:%.*]], label [[PRED_LOAD_CONTINUE12:%.*]]
124; CHECK:       pred.load.if11:
125; CHECK-NEXT:    [[TMP22:%.*]] = or i64 [[INDEX]], 3
126; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP22]]
127; CHECK-NEXT:    [[TMP24:%.*]] = load i32, i32* [[TMP23]], align 4
128; CHECK-NEXT:    [[TMP25:%.*]] = insertelement <4 x i32> [[TMP20]], i32 [[TMP24]], i64 3
129; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE12]]
130; CHECK:       pred.load.continue12:
131; CHECK-NEXT:    [[TMP26:%.*]] = phi <4 x i32> [ [[TMP20]], [[PRED_LOAD_CONTINUE10]] ], [ [[TMP25]], [[PRED_LOAD_IF11]] ]
132; CHECK-NEXT:    [[TMP27:%.*]] = extractelement <4 x i1> [[TMP1]], i64 0
133; CHECK-NEXT:    br i1 [[TMP27]], label [[PRED_LOAD_IF13:%.*]], label [[PRED_LOAD_CONTINUE14:%.*]]
134; CHECK:       pred.load.if13:
135; CHECK-NEXT:    [[TMP28:%.*]] = or i64 [[INDEX]], 4
136; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP28]]
137; CHECK-NEXT:    [[TMP30:%.*]] = load i32, i32* [[TMP29]], align 4
138; CHECK-NEXT:    [[TMP31:%.*]] = insertelement <4 x i32> poison, i32 [[TMP30]], i64 0
139; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE14]]
140; CHECK:       pred.load.continue14:
141; CHECK-NEXT:    [[TMP32:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE12]] ], [ [[TMP31]], [[PRED_LOAD_IF13]] ]
142; CHECK-NEXT:    [[TMP33:%.*]] = extractelement <4 x i1> [[TMP1]], i64 1
143; CHECK-NEXT:    br i1 [[TMP33]], label [[PRED_LOAD_IF15:%.*]], label [[PRED_LOAD_CONTINUE16:%.*]]
144; CHECK:       pred.load.if15:
145; CHECK-NEXT:    [[TMP34:%.*]] = or i64 [[INDEX]], 5
146; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP34]]
147; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
148; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP32]], i32 [[TMP36]], i64 1
149; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE16]]
150; CHECK:       pred.load.continue16:
151; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP32]], [[PRED_LOAD_CONTINUE14]] ], [ [[TMP37]], [[PRED_LOAD_IF15]] ]
152; CHECK-NEXT:    [[TMP39:%.*]] = extractelement <4 x i1> [[TMP1]], i64 2
153; CHECK-NEXT:    br i1 [[TMP39]], label [[PRED_LOAD_IF17:%.*]], label [[PRED_LOAD_CONTINUE18:%.*]]
154; CHECK:       pred.load.if17:
155; CHECK-NEXT:    [[TMP40:%.*]] = or i64 [[INDEX]], 6
156; CHECK-NEXT:    [[TMP41:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP40]]
157; CHECK-NEXT:    [[TMP42:%.*]] = load i32, i32* [[TMP41]], align 4
158; CHECK-NEXT:    [[TMP43:%.*]] = insertelement <4 x i32> [[TMP38]], i32 [[TMP42]], i64 2
159; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE18]]
160; CHECK:       pred.load.continue18:
161; CHECK-NEXT:    [[TMP44:%.*]] = phi <4 x i32> [ [[TMP38]], [[PRED_LOAD_CONTINUE16]] ], [ [[TMP43]], [[PRED_LOAD_IF17]] ]
162; CHECK-NEXT:    [[TMP45:%.*]] = extractelement <4 x i1> [[TMP1]], i64 3
163; CHECK-NEXT:    br i1 [[TMP45]], label [[PRED_LOAD_IF19:%.*]], label [[PRED_LOAD_CONTINUE20:%.*]]
164; CHECK:       pred.load.if19:
165; CHECK-NEXT:    [[TMP46:%.*]] = or i64 [[INDEX]], 7
166; CHECK-NEXT:    [[TMP47:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP46]]
167; CHECK-NEXT:    [[TMP48:%.*]] = load i32, i32* [[TMP47]], align 4
168; CHECK-NEXT:    [[TMP49:%.*]] = insertelement <4 x i32> [[TMP44]], i32 [[TMP48]], i64 3
169; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE20]]
170; CHECK:       pred.load.continue20:
171; CHECK-NEXT:    [[TMP50:%.*]] = phi <4 x i32> [ [[TMP44]], [[PRED_LOAD_CONTINUE18]] ], [ [[TMP49]], [[PRED_LOAD_IF19]] ]
172; CHECK-NEXT:    [[TMP51:%.*]] = extractelement <4 x i1> [[TMP2]], i64 0
173; CHECK-NEXT:    br i1 [[TMP51]], label [[PRED_LOAD_IF21:%.*]], label [[PRED_LOAD_CONTINUE22:%.*]]
174; CHECK:       pred.load.if21:
175; CHECK-NEXT:    [[TMP52:%.*]] = or i64 [[INDEX]], 8
176; CHECK-NEXT:    [[TMP53:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP52]]
177; CHECK-NEXT:    [[TMP54:%.*]] = load i32, i32* [[TMP53]], align 4
178; CHECK-NEXT:    [[TMP55:%.*]] = insertelement <4 x i32> poison, i32 [[TMP54]], i64 0
179; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE22]]
180; CHECK:       pred.load.continue22:
181; CHECK-NEXT:    [[TMP56:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE20]] ], [ [[TMP55]], [[PRED_LOAD_IF21]] ]
182; CHECK-NEXT:    [[TMP57:%.*]] = extractelement <4 x i1> [[TMP2]], i64 1
183; CHECK-NEXT:    br i1 [[TMP57]], label [[PRED_LOAD_IF23:%.*]], label [[PRED_LOAD_CONTINUE24:%.*]]
184; CHECK:       pred.load.if23:
185; CHECK-NEXT:    [[TMP58:%.*]] = or i64 [[INDEX]], 9
186; CHECK-NEXT:    [[TMP59:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP58]]
187; CHECK-NEXT:    [[TMP60:%.*]] = load i32, i32* [[TMP59]], align 4
188; CHECK-NEXT:    [[TMP61:%.*]] = insertelement <4 x i32> [[TMP56]], i32 [[TMP60]], i64 1
189; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE24]]
190; CHECK:       pred.load.continue24:
191; CHECK-NEXT:    [[TMP62:%.*]] = phi <4 x i32> [ [[TMP56]], [[PRED_LOAD_CONTINUE22]] ], [ [[TMP61]], [[PRED_LOAD_IF23]] ]
192; CHECK-NEXT:    [[TMP63:%.*]] = extractelement <4 x i1> [[TMP2]], i64 2
193; CHECK-NEXT:    br i1 [[TMP63]], label [[PRED_LOAD_IF25:%.*]], label [[PRED_LOAD_CONTINUE26:%.*]]
194; CHECK:       pred.load.if25:
195; CHECK-NEXT:    [[TMP64:%.*]] = or i64 [[INDEX]], 10
196; CHECK-NEXT:    [[TMP65:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP64]]
197; CHECK-NEXT:    [[TMP66:%.*]] = load i32, i32* [[TMP65]], align 4
198; CHECK-NEXT:    [[TMP67:%.*]] = insertelement <4 x i32> [[TMP62]], i32 [[TMP66]], i64 2
199; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE26]]
200; CHECK:       pred.load.continue26:
201; CHECK-NEXT:    [[TMP68:%.*]] = phi <4 x i32> [ [[TMP62]], [[PRED_LOAD_CONTINUE24]] ], [ [[TMP67]], [[PRED_LOAD_IF25]] ]
202; CHECK-NEXT:    [[TMP69:%.*]] = extractelement <4 x i1> [[TMP2]], i64 3
203; CHECK-NEXT:    br i1 [[TMP69]], label [[PRED_LOAD_IF27:%.*]], label [[PRED_LOAD_CONTINUE28:%.*]]
204; CHECK:       pred.load.if27:
205; CHECK-NEXT:    [[TMP70:%.*]] = or i64 [[INDEX]], 11
206; CHECK-NEXT:    [[TMP71:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP70]]
207; CHECK-NEXT:    [[TMP72:%.*]] = load i32, i32* [[TMP71]], align 4
208; CHECK-NEXT:    [[TMP73:%.*]] = insertelement <4 x i32> [[TMP68]], i32 [[TMP72]], i64 3
209; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE28]]
210; CHECK:       pred.load.continue28:
211; CHECK-NEXT:    [[TMP74:%.*]] = phi <4 x i32> [ [[TMP68]], [[PRED_LOAD_CONTINUE26]] ], [ [[TMP73]], [[PRED_LOAD_IF27]] ]
212; CHECK-NEXT:    [[TMP75:%.*]] = extractelement <4 x i1> [[TMP3]], i64 0
213; CHECK-NEXT:    br i1 [[TMP75]], label [[PRED_LOAD_IF29:%.*]], label [[PRED_LOAD_CONTINUE30:%.*]]
214; CHECK:       pred.load.if29:
215; CHECK-NEXT:    [[TMP76:%.*]] = or i64 [[INDEX]], 12
216; CHECK-NEXT:    [[TMP77:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP76]]
217; CHECK-NEXT:    [[TMP78:%.*]] = load i32, i32* [[TMP77]], align 4
218; CHECK-NEXT:    [[TMP79:%.*]] = insertelement <4 x i32> poison, i32 [[TMP78]], i64 0
219; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE30]]
220; CHECK:       pred.load.continue30:
221; CHECK-NEXT:    [[TMP80:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE28]] ], [ [[TMP79]], [[PRED_LOAD_IF29]] ]
222; CHECK-NEXT:    [[TMP81:%.*]] = extractelement <4 x i1> [[TMP3]], i64 1
223; CHECK-NEXT:    br i1 [[TMP81]], label [[PRED_LOAD_IF31:%.*]], label [[PRED_LOAD_CONTINUE32:%.*]]
224; CHECK:       pred.load.if31:
225; CHECK-NEXT:    [[TMP82:%.*]] = or i64 [[INDEX]], 13
226; CHECK-NEXT:    [[TMP83:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP82]]
227; CHECK-NEXT:    [[TMP84:%.*]] = load i32, i32* [[TMP83]], align 4
228; CHECK-NEXT:    [[TMP85:%.*]] = insertelement <4 x i32> [[TMP80]], i32 [[TMP84]], i64 1
229; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE32]]
230; CHECK:       pred.load.continue32:
231; CHECK-NEXT:    [[TMP86:%.*]] = phi <4 x i32> [ [[TMP80]], [[PRED_LOAD_CONTINUE30]] ], [ [[TMP85]], [[PRED_LOAD_IF31]] ]
232; CHECK-NEXT:    [[TMP87:%.*]] = extractelement <4 x i1> [[TMP3]], i64 2
233; CHECK-NEXT:    br i1 [[TMP87]], label [[PRED_LOAD_IF33:%.*]], label [[PRED_LOAD_CONTINUE34:%.*]]
234; CHECK:       pred.load.if33:
235; CHECK-NEXT:    [[TMP88:%.*]] = or i64 [[INDEX]], 14
236; CHECK-NEXT:    [[TMP89:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP88]]
237; CHECK-NEXT:    [[TMP90:%.*]] = load i32, i32* [[TMP89]], align 4
238; CHECK-NEXT:    [[TMP91:%.*]] = insertelement <4 x i32> [[TMP86]], i32 [[TMP90]], i64 2
239; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE34]]
240; CHECK:       pred.load.continue34:
241; CHECK-NEXT:    [[TMP92:%.*]] = phi <4 x i32> [ [[TMP86]], [[PRED_LOAD_CONTINUE32]] ], [ [[TMP91]], [[PRED_LOAD_IF33]] ]
242; CHECK-NEXT:    [[TMP93:%.*]] = extractelement <4 x i1> [[TMP3]], i64 3
243; CHECK-NEXT:    br i1 [[TMP93]], label [[PRED_LOAD_IF35:%.*]], label [[PRED_LOAD_CONTINUE36]]
244; CHECK:       pred.load.if35:
245; CHECK-NEXT:    [[TMP94:%.*]] = or i64 [[INDEX]], 15
246; CHECK-NEXT:    [[TMP95:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP94]]
247; CHECK-NEXT:    [[TMP96:%.*]] = load i32, i32* [[TMP95]], align 4
248; CHECK-NEXT:    [[TMP97:%.*]] = insertelement <4 x i32> [[TMP92]], i32 [[TMP96]], i64 3
249; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE36]]
250; CHECK:       pred.load.continue36:
251; CHECK-NEXT:    [[TMP98:%.*]] = phi <4 x i32> [ [[TMP92]], [[PRED_LOAD_CONTINUE34]] ], [ [[TMP97]], [[PRED_LOAD_IF35]] ]
252; CHECK-NEXT:    [[TMP99:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP26]], <4 x i32> zeroinitializer
253; CHECK-NEXT:    [[TMP100:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP99]])
254; CHECK-NEXT:    [[TMP101]] = add i32 [[TMP100]], [[VEC_PHI]]
255; CHECK-NEXT:    [[TMP102:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[TMP50]], <4 x i32> zeroinitializer
256; CHECK-NEXT:    [[TMP103:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP102]])
257; CHECK-NEXT:    [[TMP104]] = add i32 [[TMP103]], [[VEC_PHI4]]
258; CHECK-NEXT:    [[TMP105:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP74]], <4 x i32> zeroinitializer
259; CHECK-NEXT:    [[TMP106:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP105]])
260; CHECK-NEXT:    [[TMP107]] = add i32 [[TMP106]], [[VEC_PHI5]]
261; CHECK-NEXT:    [[TMP108:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> [[TMP98]], <4 x i32> zeroinitializer
262; CHECK-NEXT:    [[TMP109:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP108]])
263; CHECK-NEXT:    [[TMP110]] = add i32 [[TMP109]], [[VEC_PHI6]]
264; CHECK-NEXT:    [[INDEX_NEXT]] = add i64 [[INDEX]], 16
265; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 16, i64 16, i64 16, i64 16>
266; CHECK-NEXT:    [[TMP111:%.*]] = icmp eq i64 [[INDEX_NEXT]], 272
267; CHECK-NEXT:    br i1 [[TMP111]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
268; CHECK:       middle.block:
269; CHECK-NEXT:    [[BIN_RDX:%.*]] = add i32 [[TMP104]], [[TMP101]]
270; CHECK-NEXT:    [[BIN_RDX37:%.*]] = add i32 [[TMP107]], [[BIN_RDX]]
271; CHECK-NEXT:    [[BIN_RDX38:%.*]] = add i32 [[TMP110]], [[BIN_RDX37]]
272; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
273; CHECK:       scalar.ph:
274; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
275; CHECK:       .lr.ph:
276; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
277; CHECK:       ._crit_edge:
278; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[BIN_RDX38]], [[MIDDLE_BLOCK]] ]
279; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
280;
281entry:
282  br label %.lr.ph
283
284.lr.ph:                                           ; preds = %entry, %.lr.ph
285  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
286  %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
287  %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
288  %l3 = load i32, i32* %l2, align 4
289  %l7 = add i32 %sum.02, %l3
290  %indvars.iv.next = add i64 %indvars.iv, 1
291  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
292  %exitcond = icmp eq i32 %lftr.wideiv, 257
293  br i1 %exitcond, label %._crit_edge, label %.lr.ph, !llvm.loop !6
294
295._crit_edge:                                      ; preds = %.lr.ph
296  %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
297  ret i32 %sum.0.lcssa
298}
299
300define i32 @cond_rdx_pred(i32 %cond, i32* noalias %a, i64 %N) {
301; CHECK-LABEL: @cond_rdx_pred(
302; CHECK-NEXT:  entry:
303; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
304; CHECK:       vector.ph:
305; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[N:%.*]], 15
306; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[N_RND_UP]], -16
307; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = add i64 [[N]], -1
308; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i64 0
309; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer
310; CHECK-NEXT:    [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <4 x i32> poison, i32 [[COND:%.*]], i64 0
311; CHECK-NEXT:    [[BROADCAST_SPLATINSERT9:%.*]] = insertelement <4 x i32> poison, i32 [[COND]], i64 0
312; CHECK-NEXT:    [[BROADCAST_SPLATINSERT11:%.*]] = insertelement <4 x i32> poison, i32 [[COND]], i64 0
313; CHECK-NEXT:    [[BROADCAST_SPLATINSERT13:%.*]] = insertelement <4 x i32> poison, i32 [[COND]], i64 0
314; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
315; CHECK:       vector.body:
316; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE44:%.*]] ]
317; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE44]] ]
318; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 4, [[VECTOR_PH]] ], [ [[TMP113:%.*]], [[PRED_LOAD_CONTINUE44]] ]
319; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi i32 [ 1, [[VECTOR_PH]] ], [ [[TMP116:%.*]], [[PRED_LOAD_CONTINUE44]] ]
320; CHECK-NEXT:    [[VEC_PHI5:%.*]] = phi i32 [ 1, [[VECTOR_PH]] ], [ [[TMP119:%.*]], [[PRED_LOAD_CONTINUE44]] ]
321; CHECK-NEXT:    [[VEC_PHI6:%.*]] = phi i32 [ 1, [[VECTOR_PH]] ], [ [[TMP122:%.*]], [[PRED_LOAD_CONTINUE44]] ]
322; CHECK-NEXT:    [[STEP_ADD:%.*]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
323; CHECK-NEXT:    [[STEP_ADD1:%.*]] = add <4 x i64> [[VEC_IND]], <i64 8, i64 8, i64 8, i64 8>
324; CHECK-NEXT:    [[STEP_ADD2:%.*]] = add <4 x i64> [[VEC_IND]], <i64 12, i64 12, i64 12, i64 12>
325; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule <4 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]]
326; CHECK-NEXT:    [[TMP1:%.*]] = icmp ule <4 x i64> [[STEP_ADD]], [[BROADCAST_SPLAT]]
327; CHECK-NEXT:    [[TMP2:%.*]] = icmp ule <4 x i64> [[STEP_ADD1]], [[BROADCAST_SPLAT]]
328; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule <4 x i64> [[STEP_ADD2]], [[BROADCAST_SPLAT]]
329; CHECK-NEXT:    [[TMP4:%.*]] = icmp sgt <4 x i32> [[BROADCAST_SPLATINSERT7]], <i32 7, i32 7, i32 7, i32 7>
330; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <4 x i1> [[TMP4]], <4 x i1> poison, <4 x i32> zeroinitializer
331; CHECK-NEXT:    [[TMP6:%.*]] = icmp sgt <4 x i32> [[BROADCAST_SPLATINSERT9]], <i32 7, i32 7, i32 7, i32 7>
332; CHECK-NEXT:    [[TMP7:%.*]] = shufflevector <4 x i1> [[TMP6]], <4 x i1> poison, <4 x i32> zeroinitializer
333; CHECK-NEXT:    [[TMP8:%.*]] = icmp sgt <4 x i32> [[BROADCAST_SPLATINSERT11]], <i32 7, i32 7, i32 7, i32 7>
334; CHECK-NEXT:    [[TMP9:%.*]] = shufflevector <4 x i1> [[TMP8]], <4 x i1> poison, <4 x i32> zeroinitializer
335; CHECK-NEXT:    [[TMP10:%.*]] = icmp sgt <4 x i32> [[BROADCAST_SPLATINSERT13]], <i32 7, i32 7, i32 7, i32 7>
336; CHECK-NEXT:    [[TMP11:%.*]] = shufflevector <4 x i1> [[TMP10]], <4 x i1> poison, <4 x i32> zeroinitializer
337; CHECK-NEXT:    [[TMP12:%.*]] = select <4 x i1> [[TMP0]], <4 x i1> [[TMP5]], <4 x i1> zeroinitializer
338; CHECK-NEXT:    [[TMP13:%.*]] = select <4 x i1> [[TMP1]], <4 x i1> [[TMP7]], <4 x i1> zeroinitializer
339; CHECK-NEXT:    [[TMP14:%.*]] = select <4 x i1> [[TMP2]], <4 x i1> [[TMP9]], <4 x i1> zeroinitializer
340; CHECK-NEXT:    [[TMP15:%.*]] = select <4 x i1> [[TMP3]], <4 x i1> [[TMP11]], <4 x i1> zeroinitializer
341; CHECK-NEXT:    [[TMP16:%.*]] = extractelement <4 x i1> [[TMP12]], i64 0
342; CHECK-NEXT:    br i1 [[TMP16]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
343; CHECK:       pred.load.if:
344; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
345; CHECK-NEXT:    [[TMP18:%.*]] = load i32, i32* [[TMP17]], align 4
346; CHECK-NEXT:    [[TMP19:%.*]] = insertelement <4 x i32> poison, i32 [[TMP18]], i64 0
347; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
348; CHECK:       pred.load.continue:
349; CHECK-NEXT:    [[TMP20:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP19]], [[PRED_LOAD_IF]] ]
350; CHECK-NEXT:    [[TMP21:%.*]] = extractelement <4 x i1> [[TMP12]], i64 1
351; CHECK-NEXT:    br i1 [[TMP21]], label [[PRED_LOAD_IF15:%.*]], label [[PRED_LOAD_CONTINUE16:%.*]]
352; CHECK:       pred.load.if15:
353; CHECK-NEXT:    [[TMP22:%.*]] = or i64 [[INDEX]], 1
354; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP22]]
355; CHECK-NEXT:    [[TMP24:%.*]] = load i32, i32* [[TMP23]], align 4
356; CHECK-NEXT:    [[TMP25:%.*]] = insertelement <4 x i32> [[TMP20]], i32 [[TMP24]], i64 1
357; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE16]]
358; CHECK:       pred.load.continue16:
359; CHECK-NEXT:    [[TMP26:%.*]] = phi <4 x i32> [ [[TMP20]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP25]], [[PRED_LOAD_IF15]] ]
360; CHECK-NEXT:    [[TMP27:%.*]] = extractelement <4 x i1> [[TMP12]], i64 2
361; CHECK-NEXT:    br i1 [[TMP27]], label [[PRED_LOAD_IF17:%.*]], label [[PRED_LOAD_CONTINUE18:%.*]]
362; CHECK:       pred.load.if17:
363; CHECK-NEXT:    [[TMP28:%.*]] = or i64 [[INDEX]], 2
364; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP28]]
365; CHECK-NEXT:    [[TMP30:%.*]] = load i32, i32* [[TMP29]], align 4
366; CHECK-NEXT:    [[TMP31:%.*]] = insertelement <4 x i32> [[TMP26]], i32 [[TMP30]], i64 2
367; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE18]]
368; CHECK:       pred.load.continue18:
369; CHECK-NEXT:    [[TMP32:%.*]] = phi <4 x i32> [ [[TMP26]], [[PRED_LOAD_CONTINUE16]] ], [ [[TMP31]], [[PRED_LOAD_IF17]] ]
370; CHECK-NEXT:    [[TMP33:%.*]] = extractelement <4 x i1> [[TMP12]], i64 3
371; CHECK-NEXT:    br i1 [[TMP33]], label [[PRED_LOAD_IF19:%.*]], label [[PRED_LOAD_CONTINUE20:%.*]]
372; CHECK:       pred.load.if19:
373; CHECK-NEXT:    [[TMP34:%.*]] = or i64 [[INDEX]], 3
374; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP34]]
375; CHECK-NEXT:    [[TMP36:%.*]] = load i32, i32* [[TMP35]], align 4
376; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP32]], i32 [[TMP36]], i64 3
377; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE20]]
378; CHECK:       pred.load.continue20:
379; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP32]], [[PRED_LOAD_CONTINUE18]] ], [ [[TMP37]], [[PRED_LOAD_IF19]] ]
380; CHECK-NEXT:    [[TMP39:%.*]] = extractelement <4 x i1> [[TMP13]], i64 0
381; CHECK-NEXT:    br i1 [[TMP39]], label [[PRED_LOAD_IF21:%.*]], label [[PRED_LOAD_CONTINUE22:%.*]]
382; CHECK:       pred.load.if21:
383; CHECK-NEXT:    [[TMP40:%.*]] = or i64 [[INDEX]], 4
384; CHECK-NEXT:    [[TMP41:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP40]]
385; CHECK-NEXT:    [[TMP42:%.*]] = load i32, i32* [[TMP41]], align 4
386; CHECK-NEXT:    [[TMP43:%.*]] = insertelement <4 x i32> poison, i32 [[TMP42]], i64 0
387; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE22]]
388; CHECK:       pred.load.continue22:
389; CHECK-NEXT:    [[TMP44:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE20]] ], [ [[TMP43]], [[PRED_LOAD_IF21]] ]
390; CHECK-NEXT:    [[TMP45:%.*]] = extractelement <4 x i1> [[TMP13]], i64 1
391; CHECK-NEXT:    br i1 [[TMP45]], label [[PRED_LOAD_IF23:%.*]], label [[PRED_LOAD_CONTINUE24:%.*]]
392; CHECK:       pred.load.if23:
393; CHECK-NEXT:    [[TMP46:%.*]] = or i64 [[INDEX]], 5
394; CHECK-NEXT:    [[TMP47:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP46]]
395; CHECK-NEXT:    [[TMP48:%.*]] = load i32, i32* [[TMP47]], align 4
396; CHECK-NEXT:    [[TMP49:%.*]] = insertelement <4 x i32> [[TMP44]], i32 [[TMP48]], i64 1
397; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE24]]
398; CHECK:       pred.load.continue24:
399; CHECK-NEXT:    [[TMP50:%.*]] = phi <4 x i32> [ [[TMP44]], [[PRED_LOAD_CONTINUE22]] ], [ [[TMP49]], [[PRED_LOAD_IF23]] ]
400; CHECK-NEXT:    [[TMP51:%.*]] = extractelement <4 x i1> [[TMP13]], i64 2
401; CHECK-NEXT:    br i1 [[TMP51]], label [[PRED_LOAD_IF25:%.*]], label [[PRED_LOAD_CONTINUE26:%.*]]
402; CHECK:       pred.load.if25:
403; CHECK-NEXT:    [[TMP52:%.*]] = or i64 [[INDEX]], 6
404; CHECK-NEXT:    [[TMP53:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP52]]
405; CHECK-NEXT:    [[TMP54:%.*]] = load i32, i32* [[TMP53]], align 4
406; CHECK-NEXT:    [[TMP55:%.*]] = insertelement <4 x i32> [[TMP50]], i32 [[TMP54]], i64 2
407; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE26]]
408; CHECK:       pred.load.continue26:
409; CHECK-NEXT:    [[TMP56:%.*]] = phi <4 x i32> [ [[TMP50]], [[PRED_LOAD_CONTINUE24]] ], [ [[TMP55]], [[PRED_LOAD_IF25]] ]
410; CHECK-NEXT:    [[TMP57:%.*]] = extractelement <4 x i1> [[TMP13]], i64 3
411; CHECK-NEXT:    br i1 [[TMP57]], label [[PRED_LOAD_IF27:%.*]], label [[PRED_LOAD_CONTINUE28:%.*]]
412; CHECK:       pred.load.if27:
413; CHECK-NEXT:    [[TMP58:%.*]] = or i64 [[INDEX]], 7
414; CHECK-NEXT:    [[TMP59:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP58]]
415; CHECK-NEXT:    [[TMP60:%.*]] = load i32, i32* [[TMP59]], align 4
416; CHECK-NEXT:    [[TMP61:%.*]] = insertelement <4 x i32> [[TMP56]], i32 [[TMP60]], i64 3
417; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE28]]
418; CHECK:       pred.load.continue28:
419; CHECK-NEXT:    [[TMP62:%.*]] = phi <4 x i32> [ [[TMP56]], [[PRED_LOAD_CONTINUE26]] ], [ [[TMP61]], [[PRED_LOAD_IF27]] ]
420; CHECK-NEXT:    [[TMP63:%.*]] = extractelement <4 x i1> [[TMP14]], i64 0
421; CHECK-NEXT:    br i1 [[TMP63]], label [[PRED_LOAD_IF29:%.*]], label [[PRED_LOAD_CONTINUE30:%.*]]
422; CHECK:       pred.load.if29:
423; CHECK-NEXT:    [[TMP64:%.*]] = or i64 [[INDEX]], 8
424; CHECK-NEXT:    [[TMP65:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP64]]
425; CHECK-NEXT:    [[TMP66:%.*]] = load i32, i32* [[TMP65]], align 4
426; CHECK-NEXT:    [[TMP67:%.*]] = insertelement <4 x i32> poison, i32 [[TMP66]], i64 0
427; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE30]]
428; CHECK:       pred.load.continue30:
429; CHECK-NEXT:    [[TMP68:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE28]] ], [ [[TMP67]], [[PRED_LOAD_IF29]] ]
430; CHECK-NEXT:    [[TMP69:%.*]] = extractelement <4 x i1> [[TMP14]], i64 1
431; CHECK-NEXT:    br i1 [[TMP69]], label [[PRED_LOAD_IF31:%.*]], label [[PRED_LOAD_CONTINUE32:%.*]]
432; CHECK:       pred.load.if31:
433; CHECK-NEXT:    [[TMP70:%.*]] = or i64 [[INDEX]], 9
434; CHECK-NEXT:    [[TMP71:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP70]]
435; CHECK-NEXT:    [[TMP72:%.*]] = load i32, i32* [[TMP71]], align 4
436; CHECK-NEXT:    [[TMP73:%.*]] = insertelement <4 x i32> [[TMP68]], i32 [[TMP72]], i64 1
437; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE32]]
438; CHECK:       pred.load.continue32:
439; CHECK-NEXT:    [[TMP74:%.*]] = phi <4 x i32> [ [[TMP68]], [[PRED_LOAD_CONTINUE30]] ], [ [[TMP73]], [[PRED_LOAD_IF31]] ]
440; CHECK-NEXT:    [[TMP75:%.*]] = extractelement <4 x i1> [[TMP14]], i64 2
441; CHECK-NEXT:    br i1 [[TMP75]], label [[PRED_LOAD_IF33:%.*]], label [[PRED_LOAD_CONTINUE34:%.*]]
442; CHECK:       pred.load.if33:
443; CHECK-NEXT:    [[TMP76:%.*]] = or i64 [[INDEX]], 10
444; CHECK-NEXT:    [[TMP77:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP76]]
445; CHECK-NEXT:    [[TMP78:%.*]] = load i32, i32* [[TMP77]], align 4
446; CHECK-NEXT:    [[TMP79:%.*]] = insertelement <4 x i32> [[TMP74]], i32 [[TMP78]], i64 2
447; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE34]]
448; CHECK:       pred.load.continue34:
449; CHECK-NEXT:    [[TMP80:%.*]] = phi <4 x i32> [ [[TMP74]], [[PRED_LOAD_CONTINUE32]] ], [ [[TMP79]], [[PRED_LOAD_IF33]] ]
450; CHECK-NEXT:    [[TMP81:%.*]] = extractelement <4 x i1> [[TMP14]], i64 3
451; CHECK-NEXT:    br i1 [[TMP81]], label [[PRED_LOAD_IF35:%.*]], label [[PRED_LOAD_CONTINUE36:%.*]]
452; CHECK:       pred.load.if35:
453; CHECK-NEXT:    [[TMP82:%.*]] = or i64 [[INDEX]], 11
454; CHECK-NEXT:    [[TMP83:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP82]]
455; CHECK-NEXT:    [[TMP84:%.*]] = load i32, i32* [[TMP83]], align 4
456; CHECK-NEXT:    [[TMP85:%.*]] = insertelement <4 x i32> [[TMP80]], i32 [[TMP84]], i64 3
457; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE36]]
458; CHECK:       pred.load.continue36:
459; CHECK-NEXT:    [[TMP86:%.*]] = phi <4 x i32> [ [[TMP80]], [[PRED_LOAD_CONTINUE34]] ], [ [[TMP85]], [[PRED_LOAD_IF35]] ]
460; CHECK-NEXT:    [[TMP87:%.*]] = extractelement <4 x i1> [[TMP15]], i64 0
461; CHECK-NEXT:    br i1 [[TMP87]], label [[PRED_LOAD_IF37:%.*]], label [[PRED_LOAD_CONTINUE38:%.*]]
462; CHECK:       pred.load.if37:
463; CHECK-NEXT:    [[TMP88:%.*]] = or i64 [[INDEX]], 12
464; CHECK-NEXT:    [[TMP89:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP88]]
465; CHECK-NEXT:    [[TMP90:%.*]] = load i32, i32* [[TMP89]], align 4
466; CHECK-NEXT:    [[TMP91:%.*]] = insertelement <4 x i32> poison, i32 [[TMP90]], i64 0
467; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE38]]
468; CHECK:       pred.load.continue38:
469; CHECK-NEXT:    [[TMP92:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE36]] ], [ [[TMP91]], [[PRED_LOAD_IF37]] ]
470; CHECK-NEXT:    [[TMP93:%.*]] = extractelement <4 x i1> [[TMP15]], i64 1
471; CHECK-NEXT:    br i1 [[TMP93]], label [[PRED_LOAD_IF39:%.*]], label [[PRED_LOAD_CONTINUE40:%.*]]
472; CHECK:       pred.load.if39:
473; CHECK-NEXT:    [[TMP94:%.*]] = or i64 [[INDEX]], 13
474; CHECK-NEXT:    [[TMP95:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP94]]
475; CHECK-NEXT:    [[TMP96:%.*]] = load i32, i32* [[TMP95]], align 4
476; CHECK-NEXT:    [[TMP97:%.*]] = insertelement <4 x i32> [[TMP92]], i32 [[TMP96]], i64 1
477; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE40]]
478; CHECK:       pred.load.continue40:
479; CHECK-NEXT:    [[TMP98:%.*]] = phi <4 x i32> [ [[TMP92]], [[PRED_LOAD_CONTINUE38]] ], [ [[TMP97]], [[PRED_LOAD_IF39]] ]
480; CHECK-NEXT:    [[TMP99:%.*]] = extractelement <4 x i1> [[TMP15]], i64 2
481; CHECK-NEXT:    br i1 [[TMP99]], label [[PRED_LOAD_IF41:%.*]], label [[PRED_LOAD_CONTINUE42:%.*]]
482; CHECK:       pred.load.if41:
483; CHECK-NEXT:    [[TMP100:%.*]] = or i64 [[INDEX]], 14
484; CHECK-NEXT:    [[TMP101:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP100]]
485; CHECK-NEXT:    [[TMP102:%.*]] = load i32, i32* [[TMP101]], align 4
486; CHECK-NEXT:    [[TMP103:%.*]] = insertelement <4 x i32> [[TMP98]], i32 [[TMP102]], i64 2
487; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE42]]
488; CHECK:       pred.load.continue42:
489; CHECK-NEXT:    [[TMP104:%.*]] = phi <4 x i32> [ [[TMP98]], [[PRED_LOAD_CONTINUE40]] ], [ [[TMP103]], [[PRED_LOAD_IF41]] ]
490; CHECK-NEXT:    [[TMP105:%.*]] = extractelement <4 x i1> [[TMP15]], i64 3
491; CHECK-NEXT:    br i1 [[TMP105]], label [[PRED_LOAD_IF43:%.*]], label [[PRED_LOAD_CONTINUE44]]
492; CHECK:       pred.load.if43:
493; CHECK-NEXT:    [[TMP106:%.*]] = or i64 [[INDEX]], 15
494; CHECK-NEXT:    [[TMP107:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP106]]
495; CHECK-NEXT:    [[TMP108:%.*]] = load i32, i32* [[TMP107]], align 4
496; CHECK-NEXT:    [[TMP109:%.*]] = insertelement <4 x i32> [[TMP104]], i32 [[TMP108]], i64 3
497; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE44]]
498; CHECK:       pred.load.continue44:
499; CHECK-NEXT:    [[TMP110:%.*]] = phi <4 x i32> [ [[TMP104]], [[PRED_LOAD_CONTINUE42]] ], [ [[TMP109]], [[PRED_LOAD_IF43]] ]
500; CHECK-NEXT:    [[TMP111:%.*]] = select <4 x i1> [[TMP12]], <4 x i32> [[TMP38]], <4 x i32> <i32 1, i32 1, i32 1, i32 1>
501; CHECK-NEXT:    [[TMP112:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP111]])
502; CHECK-NEXT:    [[TMP113]] = mul i32 [[TMP112]], [[VEC_PHI]]
503; CHECK-NEXT:    [[TMP114:%.*]] = select <4 x i1> [[TMP13]], <4 x i32> [[TMP62]], <4 x i32> <i32 1, i32 1, i32 1, i32 1>
504; CHECK-NEXT:    [[TMP115:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP114]])
505; CHECK-NEXT:    [[TMP116]] = mul i32 [[TMP115]], [[VEC_PHI4]]
506; CHECK-NEXT:    [[TMP117:%.*]] = select <4 x i1> [[TMP14]], <4 x i32> [[TMP86]], <4 x i32> <i32 1, i32 1, i32 1, i32 1>
507; CHECK-NEXT:    [[TMP118:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP117]])
508; CHECK-NEXT:    [[TMP119]] = mul i32 [[TMP118]], [[VEC_PHI5]]
509; CHECK-NEXT:    [[TMP120:%.*]] = select <4 x i1> [[TMP15]], <4 x i32> [[TMP110]], <4 x i32> <i32 1, i32 1, i32 1, i32 1>
510; CHECK-NEXT:    [[TMP121:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP120]])
511; CHECK-NEXT:    [[TMP122]] = mul i32 [[TMP121]], [[VEC_PHI6]]
512; CHECK-NEXT:    [[INDEX_NEXT]] = add i64 [[INDEX]], 16
513; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 16, i64 16, i64 16, i64 16>
514; CHECK-NEXT:    [[TMP123:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
515; CHECK-NEXT:    br i1 [[TMP123]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
516; CHECK:       middle.block:
517; CHECK-NEXT:    [[BIN_RDX:%.*]] = mul i32 [[TMP116]], [[TMP113]]
518; CHECK-NEXT:    [[BIN_RDX45:%.*]] = mul i32 [[TMP119]], [[BIN_RDX]]
519; CHECK-NEXT:    [[BIN_RDX46:%.*]] = mul i32 [[TMP122]], [[BIN_RDX45]]
520; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
521; CHECK:       scalar.ph:
522; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
523; CHECK:       for.body:
524; CHECK-NEXT:    br i1 poison, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
525; CHECK:       if.then:
526; CHECK-NEXT:    br label [[FOR_INC]]
527; CHECK:       for.inc:
528; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
529; CHECK:       for.end:
530; CHECK-NEXT:    [[RES_LCSSA:%.*]] = phi i32 [ poison, [[FOR_INC]] ], [ [[BIN_RDX46]], [[MIDDLE_BLOCK]] ]
531; CHECK-NEXT:    ret i32 [[RES_LCSSA]]
532;
533entry:
534  br label %for.body
535
536for.body:
537  %iv = phi i64 [ %inc, %for.inc ], [ 0, %entry ]
538  %sum = phi i32 [ %res, %for.inc ], [ 4, %entry ]
539  %cmp1 = icmp sgt i32 %cond, 7
540  br i1 %cmp1, label %if.then, label %for.inc
541
542if.then:
543  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %iv
544  %load = load i32, i32* %arrayidx
545  %mul = mul nsw i32 %load, %sum
546  br label %for.inc
547
548for.inc:
549  %res = phi i32 [ %mul, %if.then ], [ %sum, %for.body ]
550  %inc = add nuw nsw i64 %iv, 1
551  %exitcond.not = icmp eq i64 %inc, %N
552  br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !6
553
554for.end:
555  ret i32 %res
556}
557
558!6 = distinct !{!6, !7, !8}
559!7 = !{!"llvm.loop.vectorize.predicate.enable", i1 true}
560!8 = !{!"llvm.loop.vectorize.enable", i1 true}
561