+struct _be_chordal_env_t;
+
+void extreme_liverange_splitting(struct _be_chordal_env_t *cenv);
+
+/**
+ * Removes basic blocks that only contain a jump instruction
+ * (this will potentially create critical edges).
+ *
+ * @param irg the graph that will be changed
+ */
+void be_remove_empty_blocks(ir_graph *irg);
+