Subversion Repositories openrisc_2011-10-31

/* { dg-do run } */

/* { dg-require-effective-target stdint_types } */

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

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

#include <stdint.h>

int i;

uintptr_t __attribute__((noinline,const)) bar(int ***p) { return (uintptr_t)p; }

void __attribute__((noinline))

foo(void)

{

  int *y;

  int **a = &y, **x;

  int ***p;

  uintptr_t b;

  b = bar(&a);

  p = (int ***)b;

  x = *p;

  *x = &i; /* *ANYTHING = &i has to make sure that y points to i.  */

  *y = 0;

}

extern void abort (void);

int main()

{

  i = 1;

  foo ();

  if (i != 0)

    abort ();

  return 0;

}

/* { dg-final { scan-tree-dump "y.._., points-to vars: { i }" "alias" } } */

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