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/* { dg-require-effective-target vect_int } */

#include <stdarg.h>

#include "tree-vect.h"

#define N 16

signed char data_ch[N] =

  { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 };

#define SUM 210

__attribute__ ((noinline)) int

foo ()

{

  int i;

  signed short shortsum = 0;

  /* widenning sum: sum chars into short.

     The widening-summation pattern is currently not detected because of this

     patch:

     2005-12-26  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/25125

   */

  for (i = 0; i < N; i++)

    {

      shortsum += data_ch[i];

    }

  /* check results:  */

  if (shortsum != SUM)

    abort ();

  return 0;

}

int

main (void)

{

  check_vect ();

  return foo ();

}

/* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" { xfail *-*-* } } } */

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vect_widen_sum_qi_to_hi } } } } */

/* { dg-final { cleanup-tree-dump "vect" } } */