+ir_type * mature_type_free_entities(ir_type *tp);
+
+/**
+ * The interface type for the type identify module;
+ */
+typedef struct _type_identify_if_t {
+ compare_types_func_t *cmp; /**< The function that should be used to compare two types.
+ If NULL, compare_strict() will be used. */
+ hash_types_func_t *hash; /**< The function that should be used to calculate a hash
+ value of a type. If NULL, hash_name() will be used. */
+} type_identify_if_t;
+
+/**
+ * Initialise the type identifier module.
+ *
+ * @param ti_if The interface functions for this module.
+ *
+ * If the parameter ti_if is NULL, the default functions compare_strict() and
+ * firm_hash_name() will be used.
+ */
+void init_type_identify(type_identify_if_t *ti_if);