/* { 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 != UINT_MAX --> x != UINT_MAX */
  return x < y || x != UINT_MAX;
}

_Bool or3(signed x, signed y)
{
  /* x > y || x != INT_MIN --> x != INT_MIN */
  return x > y || x != INT_MIN;
}

_Bool or4(signed x, signed y)
{
  /* x < y || x != INT_MAX --> x != INT_MAX */
  return x < y || x != INT_MAX;
}

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