1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */
       3  
       4  /* Constant bound, reduction.  */
       5  
       6  #define N 4000
       7  
       8  unsigned int *a;
       9  
      10  unsigned int
      11  f (void)
      12  {
      13    int i;
      14    unsigned int sum = 1;
      15  
      16    for (i = 0; i < N; ++i)
      17      sum += a[i];
      18  
      19    return sum;
      20  }
      21  
      22  /* { dg-final { scan-tree-dump-times "alternative exit-first loop transform succeeded" 1 "parloops2" } } */