/* { dg-do compile } */ | |
/* { dg-options "-O -fdump-tree-fre1" } */ | |
struct a | |
{ | |
union | |
{ | |
int a; | |
int b; | |
}; | |
union | |
{ | |
int c; | |
int d; | |
}; | |
}; | |
int f(struct a *c) | |
{ | |
int 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" } } */ |