-/* Find the arguments of a graph. For a method that has n args, the
- result array has 'n+1' entries, the last of which is written NULL. */
-ir_node **find_irg_args (ir_graph*);
+/**
+ * Find the arguments of a graph. For a method that has n args, the
+ * result array has 'n+1' entries, the last of which is written NULL.
+ *
+ * @param irg The IR graph
+ */
+ir_node **find_irg_args (ir_graph *irg);
+
+/* Check whether the load of the given ptr is a dummy */
+int is_dummy_load_ptr (ir_node*);