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/* { dg-do run } */

/* { dg-options "-O2 -ftree-loop-distribution" } */

/* Checks if loop distribution works correctly if the subscript used

   is assigned to a loop invariant value.  */

extern void abort (void);

struct S { int a; int b; int c; };

int get_rr_node_index (int i)

{

  return i;

}

struct S nodes[8];

struct S *rr_node = nodes;

volatile int io_rat = 2;

void

doit (int i, int j)

{

  int s_node, p_node, inode, ipad, iloop;

  for (ipad = 0; ipad < io_rat; ipad++)

    {

      p_node = get_rr_node_index (ipad+2);

      inode = get_rr_node_index (ipad);

      for (iloop = 1; iloop <= 2; iloop++)

        {

          rr_node[inode].a = i;

          rr_node[inode].b = j;

          rr_node[inode].c = ipad;

          inode = p_node;

        }

    }

}

int

main ()

{

  int i;

  doit (1, 2);

  if (rr_node[0].a != rr_node[1].a

      || rr_node[2].a != rr_node[3].a

      || rr_node[1].a != 1

      || rr_node[0].b != rr_node[1].b

      || rr_node[2].b != rr_node[3].b

      || rr_node[1].b != 2

      || rr_node[0].c != 0

      || rr_node[1].c != 1

      || rr_node[2].c != 0

      || rr_node[3].c != 1)

    abort ();

  return 0;

}