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/* { dg-do compile } */

/* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */

int loop1 (int k)

{

  unsigned int i;

  int a[1000], b[1000];

  for (i = 1; i < (1000-1); i ++) {

    a[i] = a[i+1] + a[i-1]; /* S1 */

    b[i] = a[i-1] + k; /* S2 */

  }

  /*

    Dependences:

    S1->S2 (flow, level 1)

    S1->S1 (anti, level 1)

    S1->S1 (flow, level 1)

    One partition, because of the cost of cache misses.

  */

  return a[1000-2] + b[1000-1];

}

/* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 0 "ldist" } } */

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