| /* { dg-do compile } */ |
| /* { dg-options "-w -fdump-tree-gimple" } */ |
| |
| /* Things that should not be folded. */ |
| |
| struct { long base; int tail; void * volatile ptr; } *s; |
| int foo3 (void) { return s == &s; } |
| int foo5 (void) { return s->ptr == s->ptr; } |
| |
| struct { union { int i; short s } u; } x; |
| int foo6 (void) { return x.u.i == x.u.s; } |
| |
| void **p; |
| int foo8 (void) { return p == &p; } |
| int foo9 (void) { return *p == p; } |
| int foo10 (void) { return *p == &p; } |
| int foo11 (void) { return p != &p; } |
| int foo12 (void) { return *p != p; } |
| int foo13 (void) { return *p != &p; } |
| |
| /* { dg-final { scan-tree-dump-not "= 0;" "gimple" } } */ |
| /* { dg-final { scan-tree-dump-not "= 1;" "gimple" } } */ |
