1; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
2; If GEP base doesn't alias Z, then GEP doesn't alias Z.
3; rdar://7282591
4
5@Y = common global i32 0
6@Z = common global i32 0
7
8; CHECK: Function: foo
9; CHECK:   NoAlias: i32* %P, i32* @Z
10
11define void @foo(i32 %cond) nounwind {
12entry:
13  %a = alloca i32
14  %tmp = icmp ne i32 %cond, 0
15  br i1 %tmp, label %bb, label %bb1
16
17bb:
18  %b = getelementptr i32* %a, i32 0
19  br label %bb2
20
21bb1:
22  br label %bb2
23
24bb2:
25  %P = phi i32* [ %b, %bb ], [ @Y, %bb1 ]
26  %tmp1 = load i32* @Z, align 4
27  store i32 123, i32* %P, align 4
28  %tmp2 = load i32* @Z, align 4
29  br label %return
30
31return:
32  ret void
33}
34