1 /* { dg-do run } */
2 /* { dg-options "-O2 -fipa-pta -fdump-ipa-pta2-details -fdump-tree-fre3-details" } */
3
4 int a, b;
5
6 static int __attribute__((noinline,noclone))
foo(int * p,int * q)7 foo (int *p, int *q)
8 {
9 int res;
10 *p = 1;
11 *q = 0;
12 res = *p;
13 a = 1;
14 b = 1;
15 return res;
16 }
17
18 extern void abort (void);
19
main()20 int main()
21 {
22 if (foo (&a, &b) != 1)
23 abort ();
24 return 0;
25 }
26
27 /* Verify we can disambiguate *p and *q in foo. */
28
29 /* { dg-final { scan-ipa-dump "foo.arg0 = &a" "pta2" } } */
30 /* { dg-final { scan-ipa-dump "foo.arg1 = &b" "pta2" } } */
31 /* { dg-final { scan-tree-dump "Replaced \\\*p_2\\\(D\\\) with 1" "fre3" } } */
32