1; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
2;
3; Check that there is no alias group because we either access A or B never both.
4;
5; CHECK: Alias Groups (0):
6;
7;    void jd(int b, int *A, int *B) {
8;      for (int i = 0; i < 1024; i++) {
9;        if (b)
10;          A[i] = A[i - 1];
11;        else
12;          B[i] = B[i - 1];
13;      }
14;    }
15;
16target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
17
18define void @jd(i32 %b, i32* %A, i32* %B) {
19entry:
20  br label %for.cond
21
22for.cond:                                         ; preds = %for.inc, %entry
23  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
24  %exitcond = icmp ne i64 %indvars.iv, 1024
25  br i1 %exitcond, label %for.body, label %for.end
26
27for.body:                                         ; preds = %for.cond
28  %tobool = icmp eq i32 %b, 0
29  br i1 %tobool, label %if.else, label %if.then
30
31if.then:                                          ; preds = %for.body
32  %tmp = add nsw i64 %indvars.iv, -1
33  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp
34  %tmp3 = load i32, i32* %arrayidx, align 4
35  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
36  store i32 %tmp3, i32* %arrayidx2, align 4
37  br label %if.end
38
39if.else:                                          ; preds = %for.body
40  %tmp4 = add nsw i64 %indvars.iv, -1
41  %arrayidx5 = getelementptr inbounds i32, i32* %B, i64 %tmp4
42  %tmp5 = load i32, i32* %arrayidx5, align 4
43  %arrayidx7 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
44  store i32 %tmp5, i32* %arrayidx7, align 4
45  br label %if.end
46
47if.end:                                           ; preds = %if.else, %if.then
48  br label %for.inc
49
50for.inc:                                          ; preds = %if.end
51  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
52  br label %for.cond
53
54for.end:                                          ; preds = %for.cond
55  ret void
56}
57