/* Loop elements are loop nodes and ir nodes */
typedef union {
- firm_kind *kind; /* is either k_ir_node or k_ir_loop */
- ir_node *node; /* Pointer to a loop tree element */
- ir_loop *son; /* Pointer to a ir_graph element */
+ firm_kind *kind; /**< is either k_ir_node or k_ir_loop */
+ ir_node *node; /**< Pointer to an ir_node element */
+ ir_loop *son; /**< Pointer to an ir_loop element */
} loop_element;
void set_irg_loop(ir_graph *irg, ir_loop *l);
/** Returns the number of elements contained in loop. */
int get_loop_n_elements (ir_loop *loop);
+/** Returns a loop element. A loop element can be interpreted as a
+ kind poitner, an ir_node* or an ir_loop*. */
loop_element get_loop_element (ir_loop *loop, int pos);
/*