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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-ivopts" } */

void vnum_test8(int *data)

{

  int i;

  int stop = data[3];

  int m = data[4];

  int n = m;

  for (i=1; i<stop; i++) {

    int k = data[2];

    data[k] = 2;

    data[0] = m - n;

    k = data[1];

    m = m + k;

    n = n + k;

  }

}

/* Using the SCEV analysis, this loop should be transformed to:

   | void vnum_result8(int *data)

   |{

   |  int i;

   |  int stop = data[3];

   |  for (i=1; i<stop; i++) {

   |    int k = data[2];

   |    data[k] = 2;

   |    data[0] = 0;

   |  }

   |}

*/

/* { dg-final { scan-tree-dump-times "= 0;" 1 "ivopts"} } */

/* { dg-final { scan-tree-dump-times "= 2;" 1 "ivopts"} } */

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