op_arity opar; /**< arity of operator. */
int op_index; /**< the index of the first data operand, 0 for most cases, 1 for Div etc. */
unsigned flags; /**< flags describing the behavior of the ir_op, a bitmaks of irop_flags */
op_arity opar; /**< arity of operator. */
int op_index; /**< the index of the first data operand, 0 for most cases, 1 for Div etc. */
unsigned flags; /**< flags describing the behavior of the ir_op, a bitmaks of irop_flags */