+/** Dump a firm graph without explicit block nodes but grouped in extended blocks.
+ *
+ * @param irg The firm graph to be dumped.
+ *
+ * @return
+ * A file containing the firm graph in vcg format.
+ *
+ * Dumps all Firm nodes of a single graph for a single procedure in
+ * extended xvcg format.
+ * Dumps the graph to a file. The file name is constructed from the
+ * name of the entity describing the procedure (irg->entity) and the
+ * ending <-ip>.vcg. Eventually overwrites existing files. Dumps several
+ * procedures in boxes if interprocedural_view.
+ *
+ * @see turn_off_edge_labels()
+ */
+void dump_ir_extblock_graph (ir_graph *irg, const char *suffix);
+