rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/20041008-1.c

39 lines
431 B
C

/* { dg-do run } */
/* { dg-options "-O2" } */
struct A {
int x;
int y;
};
baz (struct A *a)
{
a->x = 3;
a->y = 2;
}
foo (int i)
{
struct A a;
/* Make sure we can't scalarize 'a'. */
baz (&a);
if (i > 10)
a.x = i;
else
a.x = i;
/* Copy propagation should prove that this predicate is always false. */
if (a.x != i)
link_error ();
return a.x;
}
main ()
{
foo (30);
return 0;
}