1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-lim2" } */
3 
4 /* This is a variant that does cause fold to place a cast to
5    int before testing bit 1.  */
6 
7 void
quantum_toffoli(int control1,int control2,int target,unsigned long * state,int size)8 quantum_toffoli (int control1, int control2, int target,
9 		 unsigned long *state, int size)
10 {
11   int i;
12 
13   for(i=0; i<size; i++)
14     {
15        if (state[i] & ((unsigned long) 1 << control1))
16          if (state[i] & ((unsigned long) 1 << control2))
17            state[i] ^= ((unsigned long) 1 << target);
18     }
19 }
20 
21 /* { dg-final { scan-tree-dump-times "1 <<" 3 "lim2" } } */
22