Subversion Repositories openrisc_me

/* { dg-do run } */

/* { dg-options "-fdump-tree-alias" } */

/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */

int *p;

void __attribute__((noinline,noclone))

bar (void)

{

  *p = 1;

}

int __attribute__((noinline,noclone))

foo (__SIZE_TYPE__ addr)

{

  int i;

  /* q points to ANYTHING */

  int **q = (int **)addr;

  /* this store needs to cause i to escape */

  *q = &i;

  i = 0;

  /* and thus be clobbered by this function call */

  bar ();

  return i;

}

extern void abort (void);

int

main()

{

  if (foo ((__SIZE_TYPE__)&p) != 1)

    abort ();

  return 0;

}

/* { dg-final { scan-tree-dump "ESCAPED = { ESCAPED NONLOCAL i }" "alias" } } */

/* { dg-final { cleanup-tree-dump "alias" } } */