gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-1.c

   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
   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" } } */