1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -fdump-tree-cunroll-blocks-details" } */
       3  struct a {int a[100];};
       4  void
       5  t(struct a *a)
       6  {
       7    for (int i=0;i<5 && a->a[i];i++)
       8      a->a[i]++;
       9  }
      10  /* { dg-final { scan-tree-dump-times "loop with 4 iterations completely unrolled" 1 "cunroll" } } */
      11  /* { dg-final { scan-tree-dump-not "Invalid sum" "cunroll" } } */
      12  /* { dg-final { scan-tree-dump-times "Loop 1 iterates 4 times" 1 "cunroll" } } */
      13  /* { dg-final { scan-tree-dump-times "Last iteration exit edge was proved true" 1 "cunroll" } } */
      14  /* { dg-final { scan-tree-dump-times "Exit condition of peeled iterations was eliminated" 1 "cunroll" } } */