1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-ivopts" } */
       3  
       4  void vnum_test8(int *data) 
       5  { 
       6    int i; 
       7    int stop = data[3]; 
       8    int m = data[4]; 
       9    int n = m; 
      10    for (i=1; i<stop; i++) { 
      11      int k = data[2]; 
      12      data[k] = 2; 
      13      data[0] = m - n; 
      14      k = data[1]; 
      15      m = m + k; 
      16      n = n + k; 
      17    } 
      18  } 
      19  
      20  /* Using the SCEV analysis, this loop should be transformed to:
      21  
      22     | void vnum_result8(int *data) 
      23     |{ 
      24     |  int i; 
      25     |  int stop = data[3]; 
      26     |  for (i=1; i<stop; i++) { 
      27     |    int k = data[2]; 
      28     |    data[k] = 2; 
      29     |    data[0] = 0; 
      30     |  } 
      31     |}
      32  
      33  */
      34  
      35  /* { dg-final { scan-tree-dump-times "= 0;" 1 "ivopts"} } */
      36  /* { dg-final { scan-tree-dump-times "= 2;" 1 "ivopts"} } */