| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-fre1" } */ | |
| struct a | |
| { | |
| union | |
| { | |
| int a; | |
| int b; | |
| }; | |
| union | |
| { | |
| int c; | |
| int d; | |
| }; | |
| int e; | |
| }; | |
| int f(struct a *c) | |
| { | |
| int d; | |
| c->e = 2; | |
| d = c->a; | |
| c->c = 1; | |
| return c->a + d; | |
| } | |
| /* We should have CSEd the load from c->a. */ | |
| /* { dg-final { scan-tree-dump-times "c_.*\\\.a" 1 "fre1" } } */ |