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

#include <stdlib.h>

#include <stdarg.h>

#include "tree-vect.h"

#define N 16

struct extraction

{

  int a[N][N];

  int b[N][N];

};

static int a[N][N];

static int b[N][N];

static int c[N][N];

volatile int y;

__attribute__ ((noinline))

int main1 (int x) {

  int i,j, off;

  struct extraction *p;

  p = (struct extraction *) malloc (sizeof (struct extraction));

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

   {

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

     {

       a[i][j] = (i*7 + j*17)%53;

       b[i][j] = (i*11+ j*13)%41;

       if (y)

         abort (); /* to avoid vectorization.  */

     }

   }

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

   {

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

     {

       c[i][j] = a[i][j];

       if (y)

         abort (); /* to avoid vectorization.  */

     }

   }

  for (i = 1; i < N; i++)

  {

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

    {

      off = x + i + j + N+1;

      if (x + i + j > N*N-1)

        break;

      if (off > N*N-1)

        *(&c[0][0]+x+i+j) = *(&b[0][0] + off - N*N);

      else

        *(&c[0][0]+x+i+j) = *(&a[0][0] + off);

       if (y)

         abort (); /* to avoid vectorization.  */

    }

  }

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

   {

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

     {

       p->a[i][j] = a[i][j];

       p->b[i][j] = b[i][j];

       /* Because Y is volatile, the compiler cannot move this check out

          of the loop.  */

       if (y)

         abort (); /* to avoid vectorization.  */

     }

   }

  /* Vectorizable: distance > number of iterations.  */

  for (i = 1; i < N; i++)

  {

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

    {

       *((int *)p + x + i + j) = *((int *)p + x + i + j + N+1);

    }

  }

  /* check results: */

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

   {

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

     {

       if (p->a[i][j] != c[i][j])

         abort ();

     }

  }

  return 0;

}

int main (void)

{

  check_vect ();

  return main1 (N);

}

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

/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { target vect_no_align } } } */

/* { dg-final { scan-tree-dump-times "possible dependence between data-refs" 0 "vect" } } */

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