| /* { dg-do compile } */ |
| /* { dg-options "-w -fdump-tree-gimple" } */ |
| |
| /* Things that should be folded. */ |
| |
| struct { long base; int tail; void * volatile ptr; } *s; |
| int foo1a (void) { return (s == &s->base); } |
| int foo1b (void) { return (&s->base == s); } |
| int foo2 (void) { return ((void *)s == (void *) &s->base); } |
| int foo4 (void) { return s->base == s->base; } |
| int foo5 (void) { return &s->ptr == &s->ptr; } |
| int foo6 (void) { return &s->ptr != &s->ptr; } |
| int foo7 (void) { return &s->base != &s->ptr; } |
| |
| struct { union { int i; short s } u; } x; |
| int foo8 (void) { return &x.u.i == &x.u.s; } |
| |
| /* { dg-final { scan-tree-dump-times "= 0" 1 "gimple" } } */ |
| /* { dg-final { scan-tree-dump-times "= 1" 7 "gimple" } } */ |
