rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-21.c

26 lines
404 B
C

/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-ccp1" } */
struct A {
struct B {
int i;
} b;
} a;
int foo (void)
{
struct B *p = &a.b;
struct A *q = (struct A *) p;
return q->b.i;
}
int bar (void)
{
struct A *p = &a;
struct B *q = (struct B *) p;
return q->i;
}
/* { dg-final { scan-tree-dump-times "a.b.i" 2 "ccp1" } } */
/* { dg-final { cleanup-tree-dump "ccp1" } } */