view gcc/testsuite/gcc.dg/strlenopt-27.c @ 138:fc828634a951

merge
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 08 Nov 2018 14:17:14 +0900
parents 04ced10e8804
children 1830386684a0
line wrap: on
line source

/* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-strlen" } */

#include "strlenopt.h"

__attribute__((noinline, noclone)) size_t
fn1 (char *p)
{
  strcpy (p, "foobar");
  return strlen (p + 2); // This strlen should be optimized into 4.
}

int
main (void)
{
  char p[] = "barfoo";
  if (fn1 (p) != 4)
    abort ();
  return 0;
}

/* { dg-final { scan-tree-dump-times "strlen \\(" 0 "strlen" } } */