1  /* { dg-additional-options "-fdump-tree-cunroll-details" } */
       2  
       3  #include "tree-vect.h"
       4  
       5  int ii[31];
       6  char cc[31] =
       7    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
       8      20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 };
       9  
      10  void __attribute__((noinline,noclone))
      11  foo (int s)
      12  {
      13    int i;
      14    for (i = 0; i < s; i++)
      15      ii[i] = (int) cc[i];
      16  }
      17  
      18  int main (int argc, const char **argv)
      19  {
      20    int i;
      21    check_vect ();
      22    foo (31);
      23    for (i = 0; i < 31; i++)
      24      if (ii[i] != i)
      25        __builtin_abort ();
      26  }
      27  
      28  /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } } */
      29  /* { dg-final { scan-tree-dump "loop turned into non-loop; it never loops" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */
      30  /* { dg-final { scan-tree-dump-not "loop with 2 iterations completely unrolled" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */