| /* { dg-do compile { target { ! keeps_null_pointer_checks } } } */ |
| /* { dg-options "-O2 -fdump-tree-original -fdump-tree-vrp1" } */ |
| |
| extern int* f(int) __attribute__((returns_nonnull)); |
| extern void eliminate (); |
| void g () { |
| if (f (2) == 0) |
| eliminate (); |
| } |
| void h () { |
| int *p = f (2); |
| if (p == 0) |
| eliminate (); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "== 0" 1 "original" } } */ |
| /* { dg-final { scan-tree-dump-times "Folding predicate\[^\\n\]*to 0" 1 "vrp1" } } */ |
| /* { dg-final { cleanup-tree-dump "original" } } */ |
| /* { dg-final { cleanup-tree-dump "vrp1" } } */ |
