| /* { dg-do run } */ |
| /* { dg-options "-O2 -fipa-pta -fdump-ipa-pta-details -fdump-tree-fre2-details" } */ |
| |
| int a, b; |
| |
| static int __attribute__((noinline,noclone)) |
| foo (int *p, int *q) |
| { |
| int res; |
| *p = 1; |
| *q = 0; |
| res = *p; |
| a = 1; |
| b = 1; |
| return res; |
| } |
| |
| extern void abort (void); |
| |
| int main() |
| { |
| if (foo (&a, &b) != 1) |
| abort (); |
| return 0; |
| } |
| |
| /* Verify we can disambiguate *p and *q in foo. */ |
| |
| /* { dg-final { scan-ipa-dump "foo.arg0 = &a" "pta" } } */ |
| /* { dg-final { scan-ipa-dump "foo.arg1 = &b" "pta" } } */ |
| /* { dg-final { scan-tree-dump "Replaced \\\*p_2\\\(D\\\) with 1" "fre2" } } */ |
| /* { dg-final { cleanup-tree-dump "fre2" } } */ |
| /* { dg-final { cleanup-ipa-dump "pta" } } */ |
