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/* { dg-require-effective-target size32plus } */

#define DEBUG 0

#if DEBUG

#include <stdio.h>

#endif

#define NMAX 2000

static int x1[NMAX], x2[NMAX], a[NMAX][NMAX], y1[NMAX], y2[NMAX];

static int __attribute__((noinline))

mvt (long N)

{

  int i,j;

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

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

      x1[i] = x1[i] + a[i][j] * y1[j];

  /* These two loops should be interchanged.  */

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

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

      x2[i] = x2[i] + a[j][i] * y2[j];

  return x1[0] + x2[0];

}

extern void abort ();

int

main (void)

{

  int i, j, res;

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

    for (j = 0; j < NMAX; j++)

      a[i][j] = i + j;

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

    {

      x1[i] = 0;

      x2[i] = 2*i;

      y1[i] = 100 - i;

      y2[i] = i;

    }

  res = mvt (NMAX);

#if DEBUG

  fprintf (stderr, "res = %d \n", res);

#endif

  if (res != 199900000)

    abort ();

  return 0;

}

/* PRE destroys the perfect nest and we can't cope with that yet.  */

/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */

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