* Visits each node only once. Sets current_ir_graph properly. Does not use the link field.
*/
void cg_walk(irg_walk_func *pre, irg_walk_func *post, void *env);
* Visits each node only once. Sets current_ir_graph properly. Does not use the link field.
*/
void cg_walk(irg_walk_func *pre, irg_walk_func *post, void *env);