+/**
+ * Copies simply all attributes stored in the old node to the new node.
+ * Assumes both have the same opcode and sufficient size.
+ *
+ * @param old_node the old node from which the attributes are read
+ * @param new_node the new node to which the attributes are written
+ */
+void default_copy_attr(ir_graph *irg, const ir_node *old_node,
+ ir_node *new_node);
+
+/**
+ * Returns the attribute size of nodes of this opcode.
+ * @note Use not encouraged, internal feature.
+ */
+static inline size_t get_op_attr_size (const ir_op *op)
+{
+ return op->attr_size;
+}
+
+/**
+ * Returns non-zero if op is a control flow opcode,
+ * like Start, End, Jmp, Cond, Return, Raise or Bad.
+ */
+static inline bool is_op_cfopcode(const ir_op *op)
+{
+ return op->flags & irop_flag_cfopcode;
+}
+
+static inline bool is_op_unknown_jump(const ir_op *op)
+{
+ return op->flags & irop_flag_unknown_jump;
+}
+
+/** Returns non-zero if operation is commutative */
+static inline bool is_op_commutative(const ir_op *op)
+{
+ return op->flags & irop_flag_commutative;
+}
+
+/** Returns non-zero if operation is fragile */
+static inline bool is_op_fragile(const ir_op *op)
+{
+ return op->flags & irop_flag_fragile;
+}
+
+/** Returns non-zero if operation is forking control flow */
+static inline bool is_op_forking(const ir_op *op)
+{
+ return op->flags & irop_flag_forking;
+}
+
+/** Returns non-zero if operation is a high-level op */
+static inline bool is_op_highlevel(const ir_op *op)
+{
+ return op->flags & irop_flag_highlevel;
+}
+
+/** Returns non-zero if operation is a const-like op */
+static inline bool is_op_constlike(const ir_op *op)
+{
+ return op->flags & irop_flag_constlike;
+}
+
+static inline bool is_op_uses_memory(const ir_op *op)
+{
+ return op->flags & irop_flag_uses_memory;
+}
+
+/** Returns non-zero if operation must always be optimized */
+static inline bool is_op_always_opt(const ir_op *op)
+{
+ return op->flags & irop_flag_always_opt;
+}
+
+/** Returns non-zero if operation is a keep-like op */
+static inline bool is_op_keep(const ir_op *op)
+{
+ return op->flags & irop_flag_keep;
+}
+
+/** Returns non-zero if operation must always be placed in the start block. */
+static inline bool is_op_start_block_placed(const ir_op *op)
+{
+ return op->flags & irop_flag_start_block;
+}
+
+/** Returns non-zero if operation is CSE neutral */
+static inline bool is_op_cse_neutral(const ir_op *op)
+{
+ return op->flags & irop_flag_cse_neutral;
+}
+
+static inline unsigned get_op_code_(const ir_op *op)
+{
+ return op->code;
+}
+
+static inline ident *get_op_ident_(const ir_op *op)
+{
+ return op->name;
+}
+
+static inline op_pin_state get_op_pinned_(const ir_op *op)
+{
+ return op->pin_state;
+}
+
+static inline void set_generic_function_ptr_(ir_op *op, op_func func)
+{
+ op->ops.generic = func;
+}
+
+static inline op_func get_generic_function_ptr_(const ir_op *op)
+{
+ return op->ops.generic;
+}
+
+static inline const ir_op_ops *get_op_ops_(const ir_op *op)
+{
+ return &op->ops;
+}
+
+static inline void set_op_tag_(ir_op *op, unsigned tag)
+{
+ op->tag = tag;
+}
+
+static inline unsigned get_op_tag_(const ir_op *op)
+{
+ return op->tag;
+}
+
+static inline void set_op_attr_(ir_op *op, void *attr)
+{
+ op->attr = attr;
+}
+
+static inline void *get_op_attr_(const ir_op *op)
+{
+ return op->attr;
+}
+
+#define get_op_code(op) get_op_code_(op)
+#define get_op_ident(op) get_op_ident_(op)
+#define get_op_pinned(op) get_op_pinned_(op)
+#define get_op_ops(op) get_op_ops_(op)
+#define set_op_tag(op, tag) set_op_tag_((op), (tag))
+#define get_op_tag(op) get_op_tag_(op)
+#define set_op_attr(op, attr) set_op_attr_((op), (attr))
+#define get_op_attr(op) get_op_attr_(op)
+
+#endif