cgraph.c (cgraph_call_edge_duplication_hooks): Export.

	* cgraph.c (cgraph_call_edge_duplication_hooks): Export.
	(cgraph_create_node_1): Rename to ...
	(cgraph_create_empty_node): ... this one; export.
	(cgraph_create_node): Update.
	(cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
	(cgraph_create_edge_including_clones): Likewise.
	(cgraph_find_replacement_node): Likewise.
	(cgraph_clone_edge): Likewise.
	(cgraph_clone_node): Likewise.
	(clone_function_name): Likewise.
	(cgraph_create_virtual_clone): Likewise.
	(cgraph_remove_node_and_inline_clones): Likewise.
	(cgraph_redirect_edge_call_stmt_to_callee): Move here from
	cgraphunit.c
	* cgraph.h: Reorder declarations so they match file of origin.
	(cgraph_create_empty_node): Declare.
	* cgraphunit.c (update_call_expr): Move to cgraphclones.c
	(cgraph_copy_node_for_versioning): Likewise.
	(cgraph_function_versioning): Likewise.
	(cgraph_materialize_clone): Likewise.
	(cgraph_redirect_edge_call_stmt_to_callee): Likewise.
	(cgraph_materialize_all_clones): Likewise.
	* cgraphclones.c: New file.
	* Makefile.in: Update for cgraphclones.

From-SVN: r187295