1 /* { dg-do compile { target { ! keeps_null_pointer_checks } } } */
2 /* { dg-options "-O2 -fdisable-tree-evrp -fdump-tree-vrp1 -fdelete-null-pointer-checks" } */
3
4 extern void eliminate (void);
5 extern void* f1 (void *a, void *b) __attribute__((nonnull));
6 extern void* f2 (void *a, void *b) __attribute__((nonnull(2)));
g1(void * p,void * q)7 void g1 (void*p, void*q){
8 f1 (q, p);
9 if (p == 0)
10 eliminate ();
11 }
g2(void * p,void * q)12 void g2 (void*p, void*q){
13 f2 (q, p);
14 if (p == 0)
15 eliminate ();
16 }
17
18 /* { dg-final { scan-tree-dump-times "Folding predicate\[^\\n\]*to 0" 2 "vrp1" } } */
19