1; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info |& FileCheck %s
2; PR4267
3
4; CHECK: MayAlias: double* %p.0.i.0, double* %p3
5
6; %p3 is equal to %p.0.i.0 on the second iteration of the loop,
7; so MayAlias is needed.
8
9define void @foo([3 x [3 x double]]* noalias %p) {
10entry:
11  %p3 = getelementptr [3 x [3 x double]]* %p, i64 0, i64 0, i64 3
12  br label %loop
13
14loop:
15  %i = phi i64 [ 0, %entry ], [ %i.next, %loop ]
16
17  %p.0.i.0 = getelementptr [3 x [3 x double]]* %p, i64 0, i64 %i, i64 0
18
19  volatile store double 0.0, double* %p3
20  volatile store double 0.1, double* %p.0.i.0
21
22  %i.next = add i64 %i, 1
23  %cmp = icmp slt i64 %i.next, 3
24  br i1 %cmp, label %loop, label %exit
25
26exit:
27  ret void
28}
29