Subversion Repositories openrisc_2011-10-31

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

/* Formerly known as ltrans-2.c */

#define DEBUG 0

#if DEBUG

#include <stdio.h>

#endif

double u[1782225];

static void __attribute__((noinline))

foo (int N, int *res)

{

  unsigned int i, j;

  double sum = 0;

  /* This loop should be converted to a perfect nest and

     interchanged.  */

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

    {

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

        {

          sum = sum + u[i + 1335 * j];

          if (j == N - 1)

            u[1336 * i] *= 2;

        }

    }

  *res = sum + N + u[1336 * 2] + u[1336];

}

extern void abort ();

int

main (void)

{

  int i, j, res;

  for (i = 0; i < 1782225; i++)

    u[i] = 2;

  foo (1335, &res);

#if DEBUG

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

#endif

  if (res != 3565793)

    abort ();

  return 0;

}

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

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