/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-ifcombine" } */

#include <limits.h>

_Bool or1(unsigned *x, unsigned *y)
{
  /* x > y || x != 0 --> x != 0 */
  return x > y || x != 0;
}

_Bool or2(unsigned *x, unsigned *y)
{
  /* x < y || x != -1 --> x != -1 */
  return x < y || x != (unsigned*)-1;
}

/* { dg-final { scan-tree-dump-not " > " "ifcombine" } } */
/* { dg-final { scan-tree-dump-not " < " "ifcombine" } } */