view gcc/testsuite/gcc.dg/pr88784-8.c @ 158:494b0b89df80 default tip

...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
line wrap: on
line source

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

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