1  /* { dg-additional-options "-fdump-tree-cunroll-details" } */
       2  
       3  #include "tree-vect.h"
       4  
       5  int ii[32];
       6  struct { char a; char b[66]; } cc = { 0,
       7    { 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0,
       8      10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0,
       9      20, 0, 21, 0, 22, 0, 23, 0, 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0,
      10      30, 0, 31, 0 }
      11  };
      12  
      13  void __attribute__((noinline,noclone))
      14  foo (int s)
      15  {
      16    int i;
      17     for (i = 0; i < s; i++)
      18       ii[i] = (int) cc.b[i*2];
      19  }
      20  
      21  int main (int argc, const char **argv)
      22  {
      23    int i;
      24    check_vect ();
      25    foo (32);
      26    for (i = 0; i < 32; i++)
      27      if (ii[i] != i)
      28        __builtin_abort ();
      29  }
      30  
      31  /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } } */
      32  /* { dg-final { scan-tree-dump "loop turned into non-loop; it never loops" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */
      33  /* { dg-final { scan-tree-dump-not "loop with 2 iterations completely unrolled" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */