* @param spill_ctx The context in which the spill is introduced (This is mostly == irn up to the case of Phis).
* @return The new spill node.
*/
-ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn);
+ir_node *be_spill(const arch_env_t *arch_env, ir_node *block, ir_node *irn);
/**
* Make a reload and insert it into the schedule.