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view gcc/testsuite/gcc.dg/tree-ssa/vrp70.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-require-effective-target int32plus } */
/* { dg-options "-O2 -fdump-tree-vrp1" } */

extern void link_error (void);

void
foo (unsigned int s)
{
  if (s + 0x70000000 < 0xf0000000U)
    {
      if (s >= 0x80000000U && s < 0x90000000U)
	link_error ();
    }
}

void
bar (unsigned int s)
{
  if (s + 0x70000000 >= 0xf0000000U)
    {
      if (s < 0x80000000U || s >= 0x90000000U)
	link_error ();
    }
}

/* { dg-final { scan-tree-dump-not "link_error" "vrp1" } } */