+/**
+ * Creates an exact copy of a node.
+ * The copy resists on the same graph in the same block.
+ *
+ * @param n the node to copy
+ *
+ * @note If the copy is not changed, the next CSE operation will
+ * replace it by the original, so beware.
+ */
+ir_node *exact_copy(const ir_node *n);
+
+#endif /* _FIRM_COMMON_IRTOOLS_H_ */