| /* { dg-do link } */ |
| /* { dg-options "-O2 -fdump-tree-vrp1" } */ |
| |
| static inline void do_thing(char *s, int *p, char *q) |
| { |
| /* This should be folded away. */ |
| if (s == 0 || q == 0) |
| link_error (); |
| |
| /* This should not be folded as 'p' is not marked nonnull. */ |
| if (p) |
| *p = 3; |
| } |
| |
| void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q) |
| { |
| do_thing(s, p, q); |
| } |
| |
| int i; |
| |
| main() |
| { |
| do_other_thing ("xxx", &i, "yyy"); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */ |
| /* { dg-final { cleanup-tree-dump "vrp1" } } */ |
