1; RUN: opt %loadPolly -basic-aa -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
2;
3; void f(int N, int * restrict sums, int * restrict escape) {
4;   int i, j;
5;   for (i = 0; i < 1024; i++) {
6;     for (j = 0; j < 1024; j++) {
7;       sums[i] += 5;
8;       escape[N-j] = escape[i] + sums[i-1];
9;     }
10;   }
11; }
12;
13; CHECK: Reduction Type: NONE
14; CHECK: sums
15; CHECK: Reduction Type: NONE
16; CHECK: sums
17; CHECK: Reduction Type: NONE
18; CHECK: escape
19; CHECK: Reduction Type: NONE
20; CHECK: sums
21; CHECK: Reduction Type: NONE
22; CHECK: escape
23target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
24
25define void @f(i32 %N, i32* noalias %sums, i32* noalias %escape) {
26entry:
27  br label %for.cond
28
29for.cond:                                         ; preds = %for.inc10, %entry
30  %i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ]
31  %exitcond1 = icmp ne i32 %i.0, 1024
32  br i1 %exitcond1, label %for.body, label %for.end12
33
34for.body:                                         ; preds = %for.cond
35  br label %for.cond1
36
37for.cond1:                                        ; preds = %for.inc, %for.body
38  %j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
39  %exitcond = icmp ne i32 %j.0, 1024
40  br i1 %exitcond, label %for.body3, label %for.end
41
42for.body3:                                        ; preds = %for.cond1
43  %arrayidx = getelementptr inbounds i32, i32* %sums, i32 %i.0
44  %tmp = load i32, i32* %arrayidx, align 4
45  %add = add nsw i32 %tmp, 5
46  store i32 %add, i32* %arrayidx, align 4
47  %arrayidx4 = getelementptr inbounds i32, i32* %escape, i32 %i.0
48  %tmp2 = load i32, i32* %arrayidx4, align 4
49  %sub = add nsw i32 %i.0, -1
50  %arrayidx5 = getelementptr inbounds i32, i32* %sums, i32 %sub
51  %tmp3 = load i32, i32* %arrayidx5, align 4
52  %add6 = add nsw i32 %tmp2, %tmp3
53  %sub7 = sub nsw i32 %N, %i.0
54  %add8 = add nsw i32 %sub7, %j.0
55  %arrayidx9 = getelementptr inbounds i32, i32* %escape, i32 %add8
56  store i32 %add6, i32* %arrayidx9, align 4
57  br label %for.inc
58
59for.inc:                                          ; preds = %for.body3
60  %inc = add nsw i32 %j.0, 1
61  br label %for.cond1
62
63for.end:                                          ; preds = %for.cond1
64  br label %for.inc10
65
66for.inc10:                                        ; preds = %for.end
67  %inc11 = add nsw i32 %i.0, 1
68  br label %for.cond
69
70for.end12:                                        ; preds = %for.cond
71  ret void
72}
73