tarval *null; /**< the value 0 */
tarval *one; /**< the value 1 */
tarval *minus_one; /**< the value -1 */
+ tarval *all_one; /**< the value ~0 */
ir_mode *eq_signed; /**< For pointer modes, the equivalent signed integer one. */
ir_mode *eq_unsigned; /**< For pointer modes, the equivalent unsigned integer one. */
void *link; /**< To store some intermediate information */
struct dbg_info *dbi; /**< A pointer to information for debug support. */
/* ------- For debugging ------- */
#ifdef DEBUG_libfirm
+ unsigned flags;
int out_valid;
long node_nr; /**< A unique node number for each node to make output
readable. */