blob: 7b3689049ac54baa6f5064eb028c6c0a7d6a749a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-alias-vops" } */
const static int a;
int __attribute__((noinline))
foo(int i)
{
const int *q;
int b;
if (i)
q = &a;
else
q = &b;
b = 1;
/* We should not prune a from the points-to set of q. */
return *q;
}
extern void abort (void);
int main()
{
if (foo(1) != 0)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump "q_. = { a b }" "alias" } } */
/* { dg-final { scan-tree-dump "q_., points-to vars: { a b }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */
|
