xref: /llvm-project/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll (revision 462cb3cd6cecd0511ecaf0e3ebcaba455ece587d)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=4 -force-vector-width=4 -prefer-inloop-reductions -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(ptr 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]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
15; CHECK-NEXT:    [[VEC_PHI1:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
16; CHECK-NEXT:    [[VEC_PHI2:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
17; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
18; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[INDEX]]
19; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP0]], i64 16
20; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP0]], i64 32
21; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP0]], i64 48
22; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP0]], align 4
23; CHECK-NEXT:    [[WIDE_LOAD4:%.*]] = load <4 x i32>, ptr [[TMP1]], align 4
24; CHECK-NEXT:    [[WIDE_LOAD5:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
25; CHECK-NEXT:    [[WIDE_LOAD6:%.*]] = load <4 x i32>, ptr [[TMP3]], align 4
26; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD]])
27; CHECK-NEXT:    [[TMP5]] = add i32 [[TMP4]], [[VEC_PHI]]
28; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD4]])
29; CHECK-NEXT:    [[TMP7]] = add i32 [[TMP6]], [[VEC_PHI1]]
30; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD5]])
31; CHECK-NEXT:    [[TMP9]] = add i32 [[TMP8]], [[VEC_PHI2]]
32; CHECK-NEXT:    [[TMP10:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_LOAD6]])
33; CHECK-NEXT:    [[TMP11]] = add i32 [[TMP10]], [[VEC_PHI3]]
34; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
35; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
36; CHECK-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
37; CHECK:       middle.block:
38; CHECK-NEXT:    [[BIN_RDX:%.*]] = add i32 [[TMP7]], [[TMP5]]
39; CHECK-NEXT:    [[BIN_RDX7:%.*]] = add i32 [[TMP9]], [[BIN_RDX]]
40; CHECK-NEXT:    [[BIN_RDX8:%.*]] = add i32 [[TMP11]], [[BIN_RDX7]]
41; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
42; CHECK:       scalar.ph:
43; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
44; CHECK:       .lr.ph:
45; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP3:![0-9]+]]
46; CHECK:       ._crit_edge:
47; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[BIN_RDX8]], [[MIDDLE_BLOCK]] ]
48; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
49;
50entry:
51  br label %.lr.ph
52
53.lr.ph:                                           ; preds = %entry, %.lr.ph
54  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
55  %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
56  %l2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
57  %l3 = load i32, ptr %l2, align 4
58  %l7 = add i32 %sum.02, %l3
59  %indvars.iv.next = add i64 %indvars.iv, 1
60  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
61  %exitcond = icmp eq i32 %lftr.wideiv, 256
62  br i1 %exitcond, label %._crit_edge, label %.lr.ph
63
64._crit_edge:                                      ; preds = %.lr.ph
65  %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
66  ret i32 %sum.0.lcssa
67}
68
69define i32 @predicated(ptr noalias nocapture %A) {
70; CHECK-LABEL: @predicated(
71; CHECK-NEXT:  entry:
72; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
73; CHECK:       vector.ph:
74; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
75; CHECK:       vector.body:
76; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE36:%.*]] ]
77; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE36]] ]
78; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP101:%.*]], [[PRED_LOAD_CONTINUE36]] ]
79; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP104:%.*]], [[PRED_LOAD_CONTINUE36]] ]
80; CHECK-NEXT:    [[VEC_PHI5:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP107:%.*]], [[PRED_LOAD_CONTINUE36]] ]
81; CHECK-NEXT:    [[VEC_PHI6:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP110:%.*]], [[PRED_LOAD_CONTINUE36]] ]
82; CHECK-NEXT:    [[STEP_ADD:%.*]] = add <4 x i64> [[VEC_IND]], splat (i64 4)
83; CHECK-NEXT:    [[STEP_ADD_2:%.*]] = add <4 x i64> [[VEC_IND]], splat (i64 8)
84; CHECK-NEXT:    [[STEP_ADD_3:%.*]] = add <4 x i64> [[VEC_IND]], splat (i64 12)
85; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult <4 x i64> [[VEC_IND]], splat (i64 257)
86; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult <4 x i64> [[STEP_ADD]], splat (i64 257)
87; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult <4 x i64> [[STEP_ADD_2]], splat (i64 257)
88; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult <4 x i64> [[STEP_ADD_3]], splat (i64 257)
89; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0
90; CHECK-NEXT:    br i1 [[TMP4]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
91; CHECK:       pred.load.if:
92; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[INDEX]]
93; CHECK-NEXT:    [[TMP6:%.*]] = load i32, ptr [[TMP5]], align 4
94; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i64 0
95; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
96; CHECK:       pred.load.continue:
97; CHECK-NEXT:    [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_LOAD_IF]] ]
98; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1
99; CHECK-NEXT:    br i1 [[TMP9]], label [[PRED_LOAD_IF7:%.*]], label [[PRED_LOAD_CONTINUE8:%.*]]
100; CHECK:       pred.load.if4:
101; CHECK-NEXT:    [[TMP10:%.*]] = or disjoint i64 [[INDEX]], 1
102; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP10]]
103; CHECK-NEXT:    [[TMP12:%.*]] = load i32, ptr [[TMP11]], align 4
104; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP12]], i64 1
105; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE8]]
106; CHECK:       pred.load.continue5:
107; CHECK-NEXT:    [[TMP14:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP13]], [[PRED_LOAD_IF7]] ]
108; CHECK-NEXT:    [[TMP15:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2
109; CHECK-NEXT:    br i1 [[TMP15]], label [[PRED_LOAD_IF9:%.*]], label [[PRED_LOAD_CONTINUE10:%.*]]
110; CHECK:       pred.load.if6:
111; CHECK-NEXT:    [[TMP16:%.*]] = or disjoint i64 [[INDEX]], 2
112; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP16]]
113; CHECK-NEXT:    [[TMP18:%.*]] = load i32, ptr [[TMP17]], align 4
114; CHECK-NEXT:    [[TMP19:%.*]] = insertelement <4 x i32> [[TMP14]], i32 [[TMP18]], i64 2
115; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE10]]
116; CHECK:       pred.load.continue7:
117; CHECK-NEXT:    [[TMP20:%.*]] = phi <4 x i32> [ [[TMP14]], [[PRED_LOAD_CONTINUE8]] ], [ [[TMP19]], [[PRED_LOAD_IF9]] ]
118; CHECK-NEXT:    [[TMP21:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3
119; CHECK-NEXT:    br i1 [[TMP21]], label [[PRED_LOAD_IF11:%.*]], label [[PRED_LOAD_CONTINUE12:%.*]]
120; CHECK:       pred.load.if8:
121; CHECK-NEXT:    [[TMP22:%.*]] = or disjoint i64 [[INDEX]], 3
122; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP22]]
123; CHECK-NEXT:    [[TMP24:%.*]] = load i32, ptr [[TMP23]], align 4
124; CHECK-NEXT:    [[TMP25:%.*]] = insertelement <4 x i32> [[TMP20]], i32 [[TMP24]], i64 3
125; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE12]]
126; CHECK:       pred.load.continue9:
127; CHECK-NEXT:    [[TMP26:%.*]] = phi <4 x i32> [ [[TMP20]], [[PRED_LOAD_CONTINUE10]] ], [ [[TMP25]], [[PRED_LOAD_IF11]] ]
128; CHECK-NEXT:    [[TMP27:%.*]] = extractelement <4 x i1> [[TMP1]], i64 0
129; CHECK-NEXT:    br i1 [[TMP27]], label [[PRED_LOAD_IF13:%.*]], label [[PRED_LOAD_CONTINUE14:%.*]]
130; CHECK:       pred.load.if10:
131; CHECK-NEXT:    [[TMP28:%.*]] = or disjoint i64 [[INDEX]], 4
132; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP28]]
133; CHECK-NEXT:    [[TMP30:%.*]] = load i32, ptr [[TMP29]], align 4
134; CHECK-NEXT:    [[TMP31:%.*]] = insertelement <4 x i32> poison, i32 [[TMP30]], i64 0
135; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE14]]
136; CHECK:       pred.load.continue11:
137; CHECK-NEXT:    [[TMP32:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE12]] ], [ [[TMP31]], [[PRED_LOAD_IF13]] ]
138; CHECK-NEXT:    [[TMP33:%.*]] = extractelement <4 x i1> [[TMP1]], i64 1
139; CHECK-NEXT:    br i1 [[TMP33]], label [[PRED_LOAD_IF15:%.*]], label [[PRED_LOAD_CONTINUE16:%.*]]
140; CHECK:       pred.load.if12:
141; CHECK-NEXT:    [[TMP34:%.*]] = or disjoint i64 [[INDEX]], 5
142; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP34]]
143; CHECK-NEXT:    [[TMP36:%.*]] = load i32, ptr [[TMP35]], align 4
144; CHECK-NEXT:    [[TMP37:%.*]] = insertelement <4 x i32> [[TMP32]], i32 [[TMP36]], i64 1
145; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE16]]
146; CHECK:       pred.load.continue13:
147; CHECK-NEXT:    [[TMP38:%.*]] = phi <4 x i32> [ [[TMP32]], [[PRED_LOAD_CONTINUE14]] ], [ [[TMP37]], [[PRED_LOAD_IF15]] ]
148; CHECK-NEXT:    [[TMP39:%.*]] = extractelement <4 x i1> [[TMP1]], i64 2
149; CHECK-NEXT:    br i1 [[TMP39]], label [[PRED_LOAD_IF17:%.*]], label [[PRED_LOAD_CONTINUE18:%.*]]
150; CHECK:       pred.load.if14:
151; CHECK-NEXT:    [[TMP40:%.*]] = or disjoint i64 [[INDEX]], 6
152; CHECK-NEXT:    [[TMP41:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP40]]
153; CHECK-NEXT:    [[TMP42:%.*]] = load i32, ptr [[TMP41]], align 4
154; CHECK-NEXT:    [[TMP43:%.*]] = insertelement <4 x i32> [[TMP38]], i32 [[TMP42]], i64 2
155; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE18]]
156; CHECK:       pred.load.continue15:
157; CHECK-NEXT:    [[TMP44:%.*]] = phi <4 x i32> [ [[TMP38]], [[PRED_LOAD_CONTINUE16]] ], [ [[TMP43]], [[PRED_LOAD_IF17]] ]
158; CHECK-NEXT:    [[TMP45:%.*]] = extractelement <4 x i1> [[TMP1]], i64 3
159; CHECK-NEXT:    br i1 [[TMP45]], label [[PRED_LOAD_IF19:%.*]], label [[PRED_LOAD_CONTINUE20:%.*]]
160; CHECK:       pred.load.if16:
161; CHECK-NEXT:    [[TMP46:%.*]] = or disjoint i64 [[INDEX]], 7
162; CHECK-NEXT:    [[TMP47:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP46]]
163; CHECK-NEXT:    [[TMP48:%.*]] = load i32, ptr [[TMP47]], align 4
164; CHECK-NEXT:    [[TMP49:%.*]] = insertelement <4 x i32> [[TMP44]], i32 [[TMP48]], i64 3
165; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE20]]
166; CHECK:       pred.load.continue17:
167; CHECK-NEXT:    [[TMP50:%.*]] = phi <4 x i32> [ [[TMP44]], [[PRED_LOAD_CONTINUE18]] ], [ [[TMP49]], [[PRED_LOAD_IF19]] ]
168; CHECK-NEXT:    [[TMP51:%.*]] = extractelement <4 x i1> [[TMP2]], i64 0
169; CHECK-NEXT:    br i1 [[TMP51]], label [[PRED_LOAD_IF21:%.*]], label [[PRED_LOAD_CONTINUE22:%.*]]
170; CHECK:       pred.load.if18:
171; CHECK-NEXT:    [[TMP52:%.*]] = or disjoint i64 [[INDEX]], 8
172; CHECK-NEXT:    [[TMP53:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP52]]
173; CHECK-NEXT:    [[TMP54:%.*]] = load i32, ptr [[TMP53]], align 4
174; CHECK-NEXT:    [[TMP55:%.*]] = insertelement <4 x i32> poison, i32 [[TMP54]], i64 0
175; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE22]]
176; CHECK:       pred.load.continue19:
177; CHECK-NEXT:    [[TMP56:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE20]] ], [ [[TMP55]], [[PRED_LOAD_IF21]] ]
178; CHECK-NEXT:    [[TMP57:%.*]] = extractelement <4 x i1> [[TMP2]], i64 1
179; CHECK-NEXT:    br i1 [[TMP57]], label [[PRED_LOAD_IF23:%.*]], label [[PRED_LOAD_CONTINUE24:%.*]]
180; CHECK:       pred.load.if20:
181; CHECK-NEXT:    [[TMP58:%.*]] = or disjoint i64 [[INDEX]], 9
182; CHECK-NEXT:    [[TMP59:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP58]]
183; CHECK-NEXT:    [[TMP60:%.*]] = load i32, ptr [[TMP59]], align 4
184; CHECK-NEXT:    [[TMP61:%.*]] = insertelement <4 x i32> [[TMP56]], i32 [[TMP60]], i64 1
185; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE24]]
186; CHECK:       pred.load.continue21:
187; CHECK-NEXT:    [[TMP62:%.*]] = phi <4 x i32> [ [[TMP56]], [[PRED_LOAD_CONTINUE22]] ], [ [[TMP61]], [[PRED_LOAD_IF23]] ]
188; CHECK-NEXT:    [[TMP63:%.*]] = extractelement <4 x i1> [[TMP2]], i64 2
189; CHECK-NEXT:    br i1 [[TMP63]], label [[PRED_LOAD_IF25:%.*]], label [[PRED_LOAD_CONTINUE26:%.*]]
190; CHECK:       pred.load.if22:
191; CHECK-NEXT:    [[TMP64:%.*]] = or disjoint i64 [[INDEX]], 10
192; CHECK-NEXT:    [[TMP65:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP64]]
193; CHECK-NEXT:    [[TMP66:%.*]] = load i32, ptr [[TMP65]], align 4
194; CHECK-NEXT:    [[TMP67:%.*]] = insertelement <4 x i32> [[TMP62]], i32 [[TMP66]], i64 2
195; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE26]]
196; CHECK:       pred.load.continue23:
197; CHECK-NEXT:    [[TMP68:%.*]] = phi <4 x i32> [ [[TMP62]], [[PRED_LOAD_CONTINUE24]] ], [ [[TMP67]], [[PRED_LOAD_IF25]] ]
198; CHECK-NEXT:    [[TMP69:%.*]] = extractelement <4 x i1> [[TMP2]], i64 3
199; CHECK-NEXT:    br i1 [[TMP69]], label [[PRED_LOAD_IF27:%.*]], label [[PRED_LOAD_CONTINUE28:%.*]]
200; CHECK:       pred.load.if24:
201; CHECK-NEXT:    [[TMP70:%.*]] = or disjoint i64 [[INDEX]], 11
202; CHECK-NEXT:    [[TMP71:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP70]]
203; CHECK-NEXT:    [[TMP72:%.*]] = load i32, ptr [[TMP71]], align 4
204; CHECK-NEXT:    [[TMP73:%.*]] = insertelement <4 x i32> [[TMP68]], i32 [[TMP72]], i64 3
205; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE28]]
206; CHECK:       pred.load.continue25:
207; CHECK-NEXT:    [[TMP74:%.*]] = phi <4 x i32> [ [[TMP68]], [[PRED_LOAD_CONTINUE26]] ], [ [[TMP73]], [[PRED_LOAD_IF27]] ]
208; CHECK-NEXT:    [[TMP75:%.*]] = extractelement <4 x i1> [[TMP3]], i64 0
209; CHECK-NEXT:    br i1 [[TMP75]], label [[PRED_LOAD_IF29:%.*]], label [[PRED_LOAD_CONTINUE30:%.*]]
210; CHECK:       pred.load.if26:
211; CHECK-NEXT:    [[TMP76:%.*]] = or disjoint i64 [[INDEX]], 12
212; CHECK-NEXT:    [[TMP77:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP76]]
213; CHECK-NEXT:    [[TMP78:%.*]] = load i32, ptr [[TMP77]], align 4
214; CHECK-NEXT:    [[TMP79:%.*]] = insertelement <4 x i32> poison, i32 [[TMP78]], i64 0
215; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE30]]
216; CHECK:       pred.load.continue27:
217; CHECK-NEXT:    [[TMP80:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE28]] ], [ [[TMP79]], [[PRED_LOAD_IF29]] ]
218; CHECK-NEXT:    [[TMP81:%.*]] = extractelement <4 x i1> [[TMP3]], i64 1
219; CHECK-NEXT:    br i1 [[TMP81]], label [[PRED_LOAD_IF31:%.*]], label [[PRED_LOAD_CONTINUE32:%.*]]
220; CHECK:       pred.load.if28:
221; CHECK-NEXT:    [[TMP82:%.*]] = or disjoint i64 [[INDEX]], 13
222; CHECK-NEXT:    [[TMP83:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP82]]
223; CHECK-NEXT:    [[TMP84:%.*]] = load i32, ptr [[TMP83]], align 4
224; CHECK-NEXT:    [[TMP85:%.*]] = insertelement <4 x i32> [[TMP80]], i32 [[TMP84]], i64 1
225; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE32]]
226; CHECK:       pred.load.continue29:
227; CHECK-NEXT:    [[TMP86:%.*]] = phi <4 x i32> [ [[TMP80]], [[PRED_LOAD_CONTINUE30]] ], [ [[TMP85]], [[PRED_LOAD_IF31]] ]
228; CHECK-NEXT:    [[TMP87:%.*]] = extractelement <4 x i1> [[TMP3]], i64 2
229; CHECK-NEXT:    br i1 [[TMP87]], label [[PRED_LOAD_IF33:%.*]], label [[PRED_LOAD_CONTINUE34:%.*]]
230; CHECK:       pred.load.if30:
231; CHECK-NEXT:    [[TMP88:%.*]] = or disjoint i64 [[INDEX]], 14
232; CHECK-NEXT:    [[TMP89:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP88]]
233; CHECK-NEXT:    [[TMP90:%.*]] = load i32, ptr [[TMP89]], align 4
234; CHECK-NEXT:    [[TMP91:%.*]] = insertelement <4 x i32> [[TMP86]], i32 [[TMP90]], i64 2
235; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE34]]
236; CHECK:       pred.load.continue31:
237; CHECK-NEXT:    [[TMP92:%.*]] = phi <4 x i32> [ [[TMP86]], [[PRED_LOAD_CONTINUE32]] ], [ [[TMP91]], [[PRED_LOAD_IF33]] ]
238; CHECK-NEXT:    [[TMP93:%.*]] = extractelement <4 x i1> [[TMP3]], i64 3
239; CHECK-NEXT:    br i1 [[TMP93]], label [[PRED_LOAD_IF35:%.*]], label [[PRED_LOAD_CONTINUE36]]
240; CHECK:       pred.load.if32:
241; CHECK-NEXT:    [[TMP94:%.*]] = or disjoint i64 [[INDEX]], 15
242; CHECK-NEXT:    [[TMP95:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP94]]
243; CHECK-NEXT:    [[TMP96:%.*]] = load i32, ptr [[TMP95]], align 4
244; CHECK-NEXT:    [[TMP97:%.*]] = insertelement <4 x i32> [[TMP92]], i32 [[TMP96]], i64 3
245; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE36]]
246; CHECK:       pred.load.continue33:
247; CHECK-NEXT:    [[TMP98:%.*]] = phi <4 x i32> [ [[TMP92]], [[PRED_LOAD_CONTINUE34]] ], [ [[TMP97]], [[PRED_LOAD_IF35]] ]
248; CHECK-NEXT:    [[TMP99:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[TMP26]], <4 x i32> zeroinitializer
249; CHECK-NEXT:    [[TMP100:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP99]])
250; CHECK-NEXT:    [[TMP101]] = add i32 [[TMP100]], [[VEC_PHI]]
251; CHECK-NEXT:    [[TMP102:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[TMP50]], <4 x i32> zeroinitializer
252; CHECK-NEXT:    [[TMP103:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP102]])
253; CHECK-NEXT:    [[TMP104]] = add i32 [[TMP103]], [[VEC_PHI4]]
254; CHECK-NEXT:    [[TMP105:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP74]], <4 x i32> zeroinitializer
255; CHECK-NEXT:    [[TMP106:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP105]])
256; CHECK-NEXT:    [[TMP107]] = add i32 [[TMP106]], [[VEC_PHI5]]
257; CHECK-NEXT:    [[TMP108:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> [[TMP98]], <4 x i32> zeroinitializer
258; CHECK-NEXT:    [[TMP109:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP108]])
259; CHECK-NEXT:    [[TMP110]] = add i32 [[TMP109]], [[VEC_PHI6]]
260; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
261; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 16)
262; CHECK-NEXT:    [[TMP111:%.*]] = icmp eq i64 [[INDEX_NEXT]], 272
263; CHECK-NEXT:    br i1 [[TMP111]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
264; CHECK:       middle.block:
265; CHECK-NEXT:    [[BIN_RDX:%.*]] = add i32 [[TMP104]], [[TMP101]]
266; CHECK-NEXT:    [[BIN_RDX37:%.*]] = add i32 [[TMP107]], [[BIN_RDX]]
267; CHECK-NEXT:    [[BIN_RDX38:%.*]] = add i32 [[TMP110]], [[BIN_RDX37]]
268; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
269; CHECK:       scalar.ph:
270; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
271; CHECK:       .lr.ph:
272; CHECK-NEXT:    br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]]
273; CHECK:       ._crit_edge:
274; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[BIN_RDX38]], [[MIDDLE_BLOCK]] ]
275; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
276;
277entry:
278  br label %.lr.ph
279
280.lr.ph:                                           ; preds = %entry, %.lr.ph
281  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
282  %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
283  %l2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
284  %l3 = load i32, ptr %l2, align 4
285  %l7 = add i32 %sum.02, %l3
286  %indvars.iv.next = add i64 %indvars.iv, 1
287  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
288  %exitcond = icmp eq i32 %lftr.wideiv, 257
289  br i1 %exitcond, label %._crit_edge, label %.lr.ph, !llvm.loop !6
290
291._crit_edge:                                      ; preds = %.lr.ph
292  %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
293  ret i32 %sum.0.lcssa
294}
295
296define i32 @cond_rdx_pred(i32 %cond, ptr noalias %a, i64 %N) {
297; CHECK-LABEL: @cond_rdx_pred(
298; CHECK-NEXT:  entry:
299; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
300; CHECK:       vector.ph:
301; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[N:%.*]], 15
302; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[N_RND_UP]], -16
303; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = add i64 [[N]], -1
304; CHECK-NEXT:    [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <4 x i32> poison, i32 [[COND:%.*]], i64 0
305; CHECK-NEXT:    [[TMP4:%.*]] = icmp sgt <4 x i32> [[BROADCAST_SPLATINSERT7]], splat (i32 7)
306; CHECK-NEXT:    [[BROADCAST_SPLAT8:%.*]] = shufflevector <4 x i1> [[TMP4]], <4 x i1> poison, <4 x i32> zeroinitializer
307; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i64 0
308; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer
309; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
310; CHECK:       vector.body:
311; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE38:%.*]] ]
312; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE38]] ]
313; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 4, [[VECTOR_PH]] ], [ [[TMP109:%.*]], [[PRED_LOAD_CONTINUE38]] ]
314; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi i32 [ 1, [[VECTOR_PH]] ], [ [[TMP112:%.*]], [[PRED_LOAD_CONTINUE38]] ]
315; CHECK-NEXT:    [[VEC_PHI5:%.*]] = phi i32 [ 1, [[VECTOR_PH]] ], [ [[TMP115:%.*]], [[PRED_LOAD_CONTINUE38]] ]
316; CHECK-NEXT:    [[VEC_PHI6:%.*]] = phi i32 [ 1, [[VECTOR_PH]] ], [ [[TMP118:%.*]], [[PRED_LOAD_CONTINUE38]] ]
317; CHECK-NEXT:    [[STEP_ADD:%.*]] = add <4 x i64> [[VEC_IND]], splat (i64 4)
318; CHECK-NEXT:    [[STEP_ADD1:%.*]] = add <4 x i64> [[VEC_IND]], splat (i64 8)
319; CHECK-NEXT:    [[STEP_ADD2:%.*]] = add <4 x i64> [[VEC_IND]], splat (i64 12)
320; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule <4 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]]
321; CHECK-NEXT:    [[TMP1:%.*]] = icmp ule <4 x i64> [[STEP_ADD]], [[BROADCAST_SPLAT]]
322; CHECK-NEXT:    [[TMP2:%.*]] = icmp ule <4 x i64> [[STEP_ADD1]], [[BROADCAST_SPLAT]]
323; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule <4 x i64> [[STEP_ADD2]], [[BROADCAST_SPLAT]]
324; CHECK-NEXT:    [[TMP8:%.*]] = select <4 x i1> [[TMP0]], <4 x i1> [[BROADCAST_SPLAT8]], <4 x i1> zeroinitializer
325; CHECK-NEXT:    [[TMP9:%.*]] = select <4 x i1> [[TMP1]], <4 x i1> [[BROADCAST_SPLAT8]], <4 x i1> zeroinitializer
326; CHECK-NEXT:    [[TMP10:%.*]] = select <4 x i1> [[TMP2]], <4 x i1> [[BROADCAST_SPLAT8]], <4 x i1> zeroinitializer
327; CHECK-NEXT:    [[TMP11:%.*]] = select <4 x i1> [[TMP3]], <4 x i1> [[BROADCAST_SPLAT8]], <4 x i1> zeroinitializer
328; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <4 x i1> [[TMP8]], i64 0
329; CHECK-NEXT:    br i1 [[TMP12]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
330; CHECK:       pred.load.if:
331; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[INDEX]]
332; CHECK-NEXT:    [[TMP14:%.*]] = load i32, ptr [[TMP13]], align 4
333; CHECK-NEXT:    [[TMP15:%.*]] = insertelement <4 x i32> poison, i32 [[TMP14]], i64 0
334; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE]]
335; CHECK:       pred.load.continue:
336; CHECK-NEXT:    [[TMP16:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP15]], [[PRED_LOAD_IF]] ]
337; CHECK-NEXT:    [[TMP17:%.*]] = extractelement <4 x i1> [[TMP8]], i64 1
338; CHECK-NEXT:    br i1 [[TMP17]], label [[PRED_LOAD_IF9:%.*]], label [[PRED_LOAD_CONTINUE10:%.*]]
339; CHECK:       pred.load.if6:
340; CHECK-NEXT:    [[TMP18:%.*]] = or disjoint i64 [[INDEX]], 1
341; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP18]]
342; CHECK-NEXT:    [[TMP20:%.*]] = load i32, ptr [[TMP19]], align 4
343; CHECK-NEXT:    [[TMP21:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP20]], i64 1
344; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE10]]
345; CHECK:       pred.load.continue7:
346; CHECK-NEXT:    [[TMP22:%.*]] = phi <4 x i32> [ [[TMP16]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP21]], [[PRED_LOAD_IF9]] ]
347; CHECK-NEXT:    [[TMP23:%.*]] = extractelement <4 x i1> [[TMP8]], i64 2
348; CHECK-NEXT:    br i1 [[TMP23]], label [[PRED_LOAD_IF11:%.*]], label [[PRED_LOAD_CONTINUE12:%.*]]
349; CHECK:       pred.load.if8:
350; CHECK-NEXT:    [[TMP24:%.*]] = or disjoint i64 [[INDEX]], 2
351; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP24]]
352; CHECK-NEXT:    [[TMP26:%.*]] = load i32, ptr [[TMP25]], align 4
353; CHECK-NEXT:    [[TMP27:%.*]] = insertelement <4 x i32> [[TMP22]], i32 [[TMP26]], i64 2
354; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE12]]
355; CHECK:       pred.load.continue9:
356; CHECK-NEXT:    [[TMP28:%.*]] = phi <4 x i32> [ [[TMP22]], [[PRED_LOAD_CONTINUE10]] ], [ [[TMP27]], [[PRED_LOAD_IF11]] ]
357; CHECK-NEXT:    [[TMP29:%.*]] = extractelement <4 x i1> [[TMP8]], i64 3
358; CHECK-NEXT:    br i1 [[TMP29]], label [[PRED_LOAD_IF13:%.*]], label [[PRED_LOAD_CONTINUE14:%.*]]
359; CHECK:       pred.load.if10:
360; CHECK-NEXT:    [[TMP30:%.*]] = or disjoint i64 [[INDEX]], 3
361; CHECK-NEXT:    [[TMP31:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP30]]
362; CHECK-NEXT:    [[TMP32:%.*]] = load i32, ptr [[TMP31]], align 4
363; CHECK-NEXT:    [[TMP33:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP32]], i64 3
364; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE14]]
365; CHECK:       pred.load.continue11:
366; CHECK-NEXT:    [[TMP34:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_LOAD_CONTINUE12]] ], [ [[TMP33]], [[PRED_LOAD_IF13]] ]
367; CHECK-NEXT:    [[TMP35:%.*]] = extractelement <4 x i1> [[TMP9]], i64 0
368; CHECK-NEXT:    br i1 [[TMP35]], label [[PRED_LOAD_IF15:%.*]], label [[PRED_LOAD_CONTINUE16:%.*]]
369; CHECK:       pred.load.if12:
370; CHECK-NEXT:    [[TMP36:%.*]] = or disjoint i64 [[INDEX]], 4
371; CHECK-NEXT:    [[TMP37:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP36]]
372; CHECK-NEXT:    [[TMP38:%.*]] = load i32, ptr [[TMP37]], align 4
373; CHECK-NEXT:    [[TMP39:%.*]] = insertelement <4 x i32> poison, i32 [[TMP38]], i64 0
374; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE16]]
375; CHECK:       pred.load.continue13:
376; CHECK-NEXT:    [[TMP40:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE14]] ], [ [[TMP39]], [[PRED_LOAD_IF15]] ]
377; CHECK-NEXT:    [[TMP41:%.*]] = extractelement <4 x i1> [[TMP9]], i64 1
378; CHECK-NEXT:    br i1 [[TMP41]], label [[PRED_LOAD_IF17:%.*]], label [[PRED_LOAD_CONTINUE18:%.*]]
379; CHECK:       pred.load.if14:
380; CHECK-NEXT:    [[TMP42:%.*]] = or disjoint i64 [[INDEX]], 5
381; CHECK-NEXT:    [[TMP43:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP42]]
382; CHECK-NEXT:    [[TMP44:%.*]] = load i32, ptr [[TMP43]], align 4
383; CHECK-NEXT:    [[TMP45:%.*]] = insertelement <4 x i32> [[TMP40]], i32 [[TMP44]], i64 1
384; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE18]]
385; CHECK:       pred.load.continue15:
386; CHECK-NEXT:    [[TMP46:%.*]] = phi <4 x i32> [ [[TMP40]], [[PRED_LOAD_CONTINUE16]] ], [ [[TMP45]], [[PRED_LOAD_IF17]] ]
387; CHECK-NEXT:    [[TMP47:%.*]] = extractelement <4 x i1> [[TMP9]], i64 2
388; CHECK-NEXT:    br i1 [[TMP47]], label [[PRED_LOAD_IF19:%.*]], label [[PRED_LOAD_CONTINUE20:%.*]]
389; CHECK:       pred.load.if16:
390; CHECK-NEXT:    [[TMP48:%.*]] = or disjoint i64 [[INDEX]], 6
391; CHECK-NEXT:    [[TMP49:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP48]]
392; CHECK-NEXT:    [[TMP50:%.*]] = load i32, ptr [[TMP49]], align 4
393; CHECK-NEXT:    [[TMP51:%.*]] = insertelement <4 x i32> [[TMP46]], i32 [[TMP50]], i64 2
394; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE20]]
395; CHECK:       pred.load.continue17:
396; CHECK-NEXT:    [[TMP52:%.*]] = phi <4 x i32> [ [[TMP46]], [[PRED_LOAD_CONTINUE18]] ], [ [[TMP51]], [[PRED_LOAD_IF19]] ]
397; CHECK-NEXT:    [[TMP53:%.*]] = extractelement <4 x i1> [[TMP9]], i64 3
398; CHECK-NEXT:    br i1 [[TMP53]], label [[PRED_LOAD_IF21:%.*]], label [[PRED_LOAD_CONTINUE22:%.*]]
399; CHECK:       pred.load.if18:
400; CHECK-NEXT:    [[TMP54:%.*]] = or disjoint i64 [[INDEX]], 7
401; CHECK-NEXT:    [[TMP55:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP54]]
402; CHECK-NEXT:    [[TMP56:%.*]] = load i32, ptr [[TMP55]], align 4
403; CHECK-NEXT:    [[TMP57:%.*]] = insertelement <4 x i32> [[TMP52]], i32 [[TMP56]], i64 3
404; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE22]]
405; CHECK:       pred.load.continue19:
406; CHECK-NEXT:    [[TMP58:%.*]] = phi <4 x i32> [ [[TMP52]], [[PRED_LOAD_CONTINUE20]] ], [ [[TMP57]], [[PRED_LOAD_IF21]] ]
407; CHECK-NEXT:    [[TMP59:%.*]] = extractelement <4 x i1> [[TMP10]], i64 0
408; CHECK-NEXT:    br i1 [[TMP59]], label [[PRED_LOAD_IF23:%.*]], label [[PRED_LOAD_CONTINUE24:%.*]]
409; CHECK:       pred.load.if20:
410; CHECK-NEXT:    [[TMP60:%.*]] = or disjoint i64 [[INDEX]], 8
411; CHECK-NEXT:    [[TMP61:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP60]]
412; CHECK-NEXT:    [[TMP62:%.*]] = load i32, ptr [[TMP61]], align 4
413; CHECK-NEXT:    [[TMP63:%.*]] = insertelement <4 x i32> poison, i32 [[TMP62]], i64 0
414; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE24]]
415; CHECK:       pred.load.continue21:
416; CHECK-NEXT:    [[TMP64:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE22]] ], [ [[TMP63]], [[PRED_LOAD_IF23]] ]
417; CHECK-NEXT:    [[TMP65:%.*]] = extractelement <4 x i1> [[TMP10]], i64 1
418; CHECK-NEXT:    br i1 [[TMP65]], label [[PRED_LOAD_IF25:%.*]], label [[PRED_LOAD_CONTINUE26:%.*]]
419; CHECK:       pred.load.if22:
420; CHECK-NEXT:    [[TMP66:%.*]] = or disjoint i64 [[INDEX]], 9
421; CHECK-NEXT:    [[TMP67:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP66]]
422; CHECK-NEXT:    [[TMP68:%.*]] = load i32, ptr [[TMP67]], align 4
423; CHECK-NEXT:    [[TMP69:%.*]] = insertelement <4 x i32> [[TMP64]], i32 [[TMP68]], i64 1
424; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE26]]
425; CHECK:       pred.load.continue23:
426; CHECK-NEXT:    [[TMP70:%.*]] = phi <4 x i32> [ [[TMP64]], [[PRED_LOAD_CONTINUE24]] ], [ [[TMP69]], [[PRED_LOAD_IF25]] ]
427; CHECK-NEXT:    [[TMP71:%.*]] = extractelement <4 x i1> [[TMP10]], i64 2
428; CHECK-NEXT:    br i1 [[TMP71]], label [[PRED_LOAD_IF27:%.*]], label [[PRED_LOAD_CONTINUE28:%.*]]
429; CHECK:       pred.load.if24:
430; CHECK-NEXT:    [[TMP72:%.*]] = or disjoint i64 [[INDEX]], 10
431; CHECK-NEXT:    [[TMP73:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP72]]
432; CHECK-NEXT:    [[TMP74:%.*]] = load i32, ptr [[TMP73]], align 4
433; CHECK-NEXT:    [[TMP75:%.*]] = insertelement <4 x i32> [[TMP70]], i32 [[TMP74]], i64 2
434; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE28]]
435; CHECK:       pred.load.continue25:
436; CHECK-NEXT:    [[TMP76:%.*]] = phi <4 x i32> [ [[TMP70]], [[PRED_LOAD_CONTINUE26]] ], [ [[TMP75]], [[PRED_LOAD_IF27]] ]
437; CHECK-NEXT:    [[TMP77:%.*]] = extractelement <4 x i1> [[TMP10]], i64 3
438; CHECK-NEXT:    br i1 [[TMP77]], label [[PRED_LOAD_IF29:%.*]], label [[PRED_LOAD_CONTINUE30:%.*]]
439; CHECK:       pred.load.if26:
440; CHECK-NEXT:    [[TMP78:%.*]] = or disjoint i64 [[INDEX]], 11
441; CHECK-NEXT:    [[TMP79:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP78]]
442; CHECK-NEXT:    [[TMP80:%.*]] = load i32, ptr [[TMP79]], align 4
443; CHECK-NEXT:    [[TMP81:%.*]] = insertelement <4 x i32> [[TMP76]], i32 [[TMP80]], i64 3
444; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE30]]
445; CHECK:       pred.load.continue27:
446; CHECK-NEXT:    [[TMP82:%.*]] = phi <4 x i32> [ [[TMP76]], [[PRED_LOAD_CONTINUE28]] ], [ [[TMP81]], [[PRED_LOAD_IF29]] ]
447; CHECK-NEXT:    [[TMP83:%.*]] = extractelement <4 x i1> [[TMP11]], i64 0
448; CHECK-NEXT:    br i1 [[TMP83]], label [[PRED_LOAD_IF31:%.*]], label [[PRED_LOAD_CONTINUE32:%.*]]
449; CHECK:       pred.load.if28:
450; CHECK-NEXT:    [[TMP84:%.*]] = or disjoint i64 [[INDEX]], 12
451; CHECK-NEXT:    [[TMP85:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP84]]
452; CHECK-NEXT:    [[TMP86:%.*]] = load i32, ptr [[TMP85]], align 4
453; CHECK-NEXT:    [[TMP87:%.*]] = insertelement <4 x i32> poison, i32 [[TMP86]], i64 0
454; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE32]]
455; CHECK:       pred.load.continue29:
456; CHECK-NEXT:    [[TMP88:%.*]] = phi <4 x i32> [ poison, [[PRED_LOAD_CONTINUE30]] ], [ [[TMP87]], [[PRED_LOAD_IF31]] ]
457; CHECK-NEXT:    [[TMP89:%.*]] = extractelement <4 x i1> [[TMP11]], i64 1
458; CHECK-NEXT:    br i1 [[TMP89]], label [[PRED_LOAD_IF33:%.*]], label [[PRED_LOAD_CONTINUE34:%.*]]
459; CHECK:       pred.load.if30:
460; CHECK-NEXT:    [[TMP90:%.*]] = or disjoint i64 [[INDEX]], 13
461; CHECK-NEXT:    [[TMP91:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP90]]
462; CHECK-NEXT:    [[TMP92:%.*]] = load i32, ptr [[TMP91]], align 4
463; CHECK-NEXT:    [[TMP93:%.*]] = insertelement <4 x i32> [[TMP88]], i32 [[TMP92]], i64 1
464; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE34]]
465; CHECK:       pred.load.continue31:
466; CHECK-NEXT:    [[TMP94:%.*]] = phi <4 x i32> [ [[TMP88]], [[PRED_LOAD_CONTINUE32]] ], [ [[TMP93]], [[PRED_LOAD_IF33]] ]
467; CHECK-NEXT:    [[TMP95:%.*]] = extractelement <4 x i1> [[TMP11]], i64 2
468; CHECK-NEXT:    br i1 [[TMP95]], label [[PRED_LOAD_IF35:%.*]], label [[PRED_LOAD_CONTINUE36:%.*]]
469; CHECK:       pred.load.if32:
470; CHECK-NEXT:    [[TMP96:%.*]] = or disjoint i64 [[INDEX]], 14
471; CHECK-NEXT:    [[TMP97:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP96]]
472; CHECK-NEXT:    [[TMP98:%.*]] = load i32, ptr [[TMP97]], align 4
473; CHECK-NEXT:    [[TMP99:%.*]] = insertelement <4 x i32> [[TMP94]], i32 [[TMP98]], i64 2
474; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE36]]
475; CHECK:       pred.load.continue33:
476; CHECK-NEXT:    [[TMP100:%.*]] = phi <4 x i32> [ [[TMP94]], [[PRED_LOAD_CONTINUE34]] ], [ [[TMP99]], [[PRED_LOAD_IF35]] ]
477; CHECK-NEXT:    [[TMP101:%.*]] = extractelement <4 x i1> [[TMP11]], i64 3
478; CHECK-NEXT:    br i1 [[TMP101]], label [[PRED_LOAD_IF37:%.*]], label [[PRED_LOAD_CONTINUE38]]
479; CHECK:       pred.load.if34:
480; CHECK-NEXT:    [[TMP102:%.*]] = or disjoint i64 [[INDEX]], 15
481; CHECK-NEXT:    [[TMP103:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP102]]
482; CHECK-NEXT:    [[TMP104:%.*]] = load i32, ptr [[TMP103]], align 4
483; CHECK-NEXT:    [[TMP105:%.*]] = insertelement <4 x i32> [[TMP100]], i32 [[TMP104]], i64 3
484; CHECK-NEXT:    br label [[PRED_LOAD_CONTINUE38]]
485; CHECK:       pred.load.continue35:
486; CHECK-NEXT:    [[TMP106:%.*]] = phi <4 x i32> [ [[TMP100]], [[PRED_LOAD_CONTINUE36]] ], [ [[TMP105]], [[PRED_LOAD_IF37]] ]
487; CHECK-NEXT:    [[TMP107:%.*]] = select <4 x i1> [[TMP8]], <4 x i32> [[TMP34]], <4 x i32> splat (i32 1)
488; CHECK-NEXT:    [[TMP108:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP107]])
489; CHECK-NEXT:    [[TMP109]] = mul i32 [[TMP108]], [[VEC_PHI]]
490; CHECK-NEXT:    [[TMP110:%.*]] = select <4 x i1> [[TMP9]], <4 x i32> [[TMP58]], <4 x i32> splat (i32 1)
491; CHECK-NEXT:    [[TMP111:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP110]])
492; CHECK-NEXT:    [[TMP112]] = mul i32 [[TMP111]], [[VEC_PHI4]]
493; CHECK-NEXT:    [[TMP113:%.*]] = select <4 x i1> [[TMP10]], <4 x i32> [[TMP82]], <4 x i32> splat (i32 1)
494; CHECK-NEXT:    [[TMP114:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP113]])
495; CHECK-NEXT:    [[TMP115]] = mul i32 [[TMP114]], [[VEC_PHI5]]
496; CHECK-NEXT:    [[TMP116:%.*]] = select <4 x i1> [[TMP11]], <4 x i32> [[TMP106]], <4 x i32> splat (i32 1)
497; CHECK-NEXT:    [[TMP117:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP116]])
498; CHECK-NEXT:    [[TMP118]] = mul i32 [[TMP117]], [[VEC_PHI6]]
499; CHECK-NEXT:    [[INDEX_NEXT]] = add i64 [[INDEX]], 16
500; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 16)
501; CHECK-NEXT:    [[TMP119:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
502; CHECK-NEXT:    br i1 [[TMP119]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
503; CHECK:       middle.block:
504; CHECK-NEXT:    [[BIN_RDX:%.*]] = mul i32 [[TMP112]], [[TMP109]]
505; CHECK-NEXT:    [[BIN_RDX39:%.*]] = mul i32 [[TMP115]], [[BIN_RDX]]
506; CHECK-NEXT:    [[BIN_RDX40:%.*]] = mul i32 [[TMP118]], [[BIN_RDX39]]
507; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
508; CHECK:       scalar.ph:
509; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
510; CHECK:       for.body:
511; CHECK-NEXT:    br i1 poison, label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
512; CHECK:       if.then:
513; CHECK-NEXT:    br label [[FOR_INC]]
514; CHECK:       for.inc:
515; CHECK-NEXT:    br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
516; CHECK:       for.end:
517; CHECK-NEXT:    [[RES_LCSSA:%.*]] = phi i32 [ poison, [[FOR_INC]] ], [ [[BIN_RDX40]], [[MIDDLE_BLOCK]] ]
518; CHECK-NEXT:    ret i32 [[RES_LCSSA]]
519;
520entry:
521  br label %for.body
522
523for.body:
524  %iv = phi i64 [ %inc, %for.inc ], [ 0, %entry ]
525  %sum = phi i32 [ %res, %for.inc ], [ 4, %entry ]
526  %cmp1 = icmp sgt i32 %cond, 7
527  br i1 %cmp1, label %if.then, label %for.inc
528
529if.then:
530  %arrayidx = getelementptr inbounds i32, ptr %a, i64 %iv
531  %load = load i32, ptr %arrayidx
532  %mul = mul nsw i32 %load, %sum
533  br label %for.inc
534
535for.inc:
536  %res = phi i32 [ %mul, %if.then ], [ %sum, %for.body ]
537  %inc = add nuw nsw i64 %iv, 1
538  %exitcond.not = icmp eq i64 %inc, %N
539  br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !6
540
541for.end:
542  ret i32 %res
543}
544
545!6 = distinct !{!6, !7, !8}
546!7 = !{!"llvm.loop.vectorize.predicate.enable", i1 true}
547!8 = !{!"llvm.loop.vectorize.enable", i1 true}
548