/* frees the memory. */
void remove_Block_cg_cfgpred_arr(ir_node * node);
+/** Keep alive dedicated nodes. These must be either
+ * PhiM or Block nodes. */
int get_End_n_keepalives(ir_node *end);
ir_node *get_End_keepalive(ir_node *end, int pos);
void add_End_keepalive (ir_node *end, ir_node *ka);