Subversion Repositories openrisc_2011-10-31

/* { dg-do link } */

/* { dg-options "-O2" } */

/* We have enough cascading at -O2 to cover the missed control-dependence

   in SCCVN (which considers the link_error calls to clobber the structs).  */

struct example

{

  char a;

  int b;

  char c;

} *ex1;

extern void link_error(void);

void

bar (void)

{

  ex1->a = 1;

  ex1->b = 2;

  ex1->c = 3;

  if (ex1->a != 1)

    link_error ();

  if (ex1->b != 2)

    link_error ();

  if (ex1->c != 3)

    link_error ();

}

void

foo (struct example *ex2)

{

  ex2->a = 1;

  ex2->b = 2;

  ex2->c = 3;

  if (ex2->a != 1)

    link_error ();

  if (ex2->b != 2)

    link_error ();

  if (ex2->c != 3)

    link_error ();

}

int main (void)

{

  bar ();

  foo (ex1);

  return 0;

}