1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-lim2" } */
       3  
       4  /* This is a variant that doesn't cause fold to place a cast to
       5     int before testing bit 1.  */
       6  
       7  void
       8  quantum_toffoli(int control1, int control2, int target, int *state,
       9  int size)
      10  {
      11    int i;
      12  
      13    for(i=0; i<size; i++)
      14      {
      15         if (state[i] & ( 1 << control1))
      16           if (state[i] & ( 1 << control2))
      17             state[i] ^= ( 1 << target);
      18      }
      19  }
      20  
      21  /* { dg-final { scan-tree-dump-times "1 <<" 3 "lim2" } } */