[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / pr88784-12.c

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dce3" } */

#include <limits.h>

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

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

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

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

/* { dg-final { scan-tree-dump-not " == " "dce3" } } */
Commit	Line	Data
c16504f6 LJH	1	/* { dg-do compile } */
	2	/* { dg-options "-O2 -fdump-tree-dce3" } */
	3
	4	#include <limits.h>
	5
	6	_Bool or1(unsigned x, unsigned y)
	7	{
	8	/* x <= y \|\| x == 0 --> x <= y */
	9	return x <= y \|\| x == 0;
	10	}
	11
	12	_Bool or2(unsigned x, unsigned y)
	13	{
	14	/* x >= y \|\| x == UINT_MAX --> x >= y */
	15	return x >= y \|\| x == UINT_MAX;
	16	}
	17
	18	_Bool or3(signed x, signed y)
	19	{
	20	/* x <= y \|\| x == INT_MIN --> x <= y */
	21	return x <= y \|\| x == INT_MIN;
	22	}
	23
	24	_Bool or4(signed x, signed y)
	25	{
	26	/* x >= y \|\| x == INT_MAX --> x >= y */
	27	return x >= y \|\| x == INT_MAX;
	28	}
	29
	30	/* { dg-final { scan-tree-dump-not " == " "dce3" } } */