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

/* { dg-require-effective-target run_expensive_tests }  PR testsuite/48283 */

#define DEBUG 0

#if DEBUG

#include <stdio.h>

#endif

#define N 200

int A[N][N], B[N][N], C[N][N];

static void __attribute__((noinline))

matmult (void)

{

  int i, j, k;

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

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

      A[i][j] = 0;

  /* This should be blocked.  */

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

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

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

        A[i][j] += B[i][k] * C[k][j];

}

extern void abort ();

int

main (void)

{

  int i, j, res = 0;

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

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

      {

        B[i][j] = j;

        C[i][j] = i;

      }

  matmult ();

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

    res += A[i][i];

#if DEBUG

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

#endif

  if (res != 529340000)

    abort ();

  return 0;

}

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

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