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1; RUN: opt %loadPolly -polly-opt-isl -polly-codegen -polly-vectorizer=polly -polly-prevect-width=8 -S -dce < %s | FileCheck %s
2;
3;    void foo(long n, float A[restrict][n], float B[restrict][n],
4;             float C[restrict][n], float D[restrict][n]) {
5;      for (long i = 0; i < 8; i++)
6;        for (long j = 0; j < 8; j++)
7;          A[i][j] += B[i][0] + C[i][2 * j] + D[j][0];
8;    }
9;
10
11; CHECK: shufflevector
12; CHECK: insertelement
13; CHECK: insertelement
14; CHECK: insertelement
15; CHECK: insertelement
16; CHECK: insertelement
17; CHECK: insertelement
18; CHECK: insertelement
19; CHECK: insertelement
20; CHECK: store <8 x float>
21
22target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
23
24define void @foo(i64 %n, float* noalias %A, float* noalias %B, float* noalias %C, float* noalias %D) {
25bb:
26  br label %bb3
27
28bb3:                                              ; preds = %bb25, %bb
29  %i.0 = phi i64 [ 0, %bb ], [ %tmp26, %bb25 ]
30  %exitcond2 = icmp ne i64 %i.0, 8
31  br i1 %exitcond2, label %bb4, label %bb27
32
33bb4:                                              ; preds = %bb3
34  br label %bb5
35
36bb5:                                              ; preds = %bb22, %bb4
37  %j.0 = phi i64 [ 0, %bb4 ], [ %tmp23, %bb22 ]
38  %exitcond = icmp ne i64 %j.0, 8
39  br i1 %exitcond, label %bb6, label %bb24
40
41bb6:                                              ; preds = %bb5
42  %tmp = mul nsw i64 %i.0, %n
43  %tmp7 = getelementptr inbounds float, float* %B, i64 %tmp
44  %tmp8 = load float, float* %tmp7, align 4
45  %tmp9 = shl nsw i64 %j.0, 1
46  %tmp10 = mul nsw i64 %i.0, %n
47  %.sum = add i64 %tmp10, %tmp9
48  %tmp11 = getelementptr inbounds float, float* %C, i64 %.sum
49  %tmp12 = load float, float* %tmp11, align 4
50  %tmp13 = fadd float %tmp8, %tmp12
51  %tmp14 = mul nsw i64 %j.0, %n
52  %tmp15 = getelementptr inbounds float, float* %D, i64 %tmp14
53  %tmp16 = load float, float* %tmp15, align 4
54  %tmp17 = fadd float %tmp13, %tmp16
55  %tmp18 = mul nsw i64 %i.0, %n
56  %.sum1 = add i64 %tmp18, %j.0
57  %tmp19 = getelementptr inbounds float, float* %A, i64 %.sum1
58  %tmp20 = load float, float* %tmp19, align 4
59  %tmp21 = fadd float %tmp20, %tmp17
60  store float %tmp21, float* %tmp19, align 4
61  br label %bb22
62
63bb22:                                             ; preds = %bb6
64  %tmp23 = add nsw i64 %j.0, 1
65  br label %bb5
66
67bb24:                                             ; preds = %bb5
68  br label %bb25
69
70bb25:                                             ; preds = %bb24
71  %tmp26 = add nsw i64 %i.0, 1
72  br label %bb3
73
74bb27:                                             ; preds = %bb3
75  ret void
76}
77