of node cast to long. */
long get_irn_node_nr (const ir_node *node);
+/** Returns the pinned state of a node. */
+op_pin_state get_irn_pinned (const ir_node *node);
+
+/** Set pin state for nodes with op pin state op_pin_state_exc_pinned */
+void set_irn_pinned(ir_node *node, op_pin_state state);
/**
* irnode constructor.
/** Returns the memory operand of fragile operations. */
ir_node *get_fragile_op_mem(ir_node *node);
+/** Returns true if the operation is a forking control flow
+ * operation: Cond. */
+int is_forking_op(ir_node *node);
+
/*-----------------------------------------------------------------*/
/** Debug aides **/
/*-----------------------------------------------------------------*/