r187631 - in /trunk/gcc: ChangeLog cgraph.c cgr...

[hubicka at gcc dot gnu dot org]

Author: hubicka
Date: Thu May 17 16:37:33 2012
New Revision: 187631

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187631
Log:

	* lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with constructor
	over decl without.
	* cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
	* cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
	* cgraphunit.c (process_function_and_variable_attributes): Finalize 
	extrnal decls.
	(mark_functions_to_output): Also accept bodies for functions with clones.
	(output_in_order): Skip external vars.
	* lto-cgraph.c (lto_output_node): External functions are never in other
	partition.
	(lto_output_varpool_node): Likewise.
	* lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
	forgotten initializers.
	* ipa.c (process_references): Handle external vars.
	(symtab_remove_unreachable_nodes): Update to handle external vars.
	(varpool_externally_visible_p): External vars are externally visible.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
	* varpool.c (varpool_remove_node): Remove constructor.
	(decide_is_variable_needed): Handle externals.
	(varpool_remove_unreferenced_decls): Likewise.

	* lto-partition.c (add_references_to_partition): Handle external vars.
	(partition_varpool_node_p): Likewise.
	(lto_promote_cross_file_statics): Do not promote externals.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/cgraph.h
    trunk/gcc/cgraphunit.c
    trunk/gcc/gimple-fold.c
    trunk/gcc/ipa.c
    trunk/gcc/lto-cgraph.c
    trunk/gcc/lto-streamer-out.c
    trunk/gcc/lto-symtab.c
    trunk/gcc/lto/ChangeLog
    trunk/gcc/lto/lto-partition.c
    trunk/gcc/varpool.c