1 /* { dg-do link } */
2 /* { dg-options "-O2 -fdump-tree-vrp1" } */
3
4 void link_error (void);
5
do_thing(char * s,int * p,char * q)6 static inline void do_thing(char *s, int *p, char *q)
7 {
8 /* This should be folded away. */
9 if (s == 0 || q == 0)
10 link_error ();
11
12 /* This should not be folded as 'p' is not marked nonnull. */
13 if (p)
14 *p = 3;
15 }
16
do_other_thing(char * s,int * p,char * q)17 void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q)
18 {
19 do_thing(s, p, q);
20 }
21
22 int i;
23
24 int
main()25 main()
26 {
27 do_other_thing ("xxx", &i, "yyy");
28 }
29
30 /* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */
31