| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-vrp1" } */ | |
| foo (int *p) | |
| { | |
| int x = baz (); | |
| if (p == 0) | |
| goto L78; | |
| else | |
| { | |
| x = *p; | |
| /* This should be folded to if (1). */ | |
| if (p) | |
| x = x + 1; | |
| L78: | |
| /* This should not be folded to if (1). */ | |
| if (p) | |
| { | |
| x = baz (*p); | |
| /* This should be folded to if (1). */ | |
| if (p) | |
| return x + 3; | |
| } | |
| return x - 3; | |
| } | |
| } | |
| /* { dg-final { scan-tree-dump-times "Folding predicate p_.. != 0B to 1" 2 "vrp1" } } */ | |
| /* { dg-final { cleanup-tree-dump "vrp1" } } */ |