2011-04-12  Martin Jambor  <mjambor@suse.cz>

	* cgraph.h (cgraph_node): Remove function declaration.
	(cgraph_create_node): Declare.
	(cgraph_get_create_node): Likewise.
	* cgraph.c (cgraph_create_node): Renamed to cgraph_create_node_1.
	Updated all callers.
	(cgraph_node): Renamed to cgraph_create_node, assert that a node for
	the decl does not already exist.  Call cgraph_get_create_node instead
	of cgraph_node.
	(cgraph_get_create_node): New function.
	(cgraph_same_body_alias): Update comment.
	(cgraph_set_call_stmt): Call cgraph_get_node instead of cgraph_node,
	assert it does not return NULL.
	(cgraph_update_edges_for_call_stmt): Likewise.
	(cgraph_clone_edge): Likewise.
	(cgraph_create_virtual_clone): Likewise.
	(cgraph_update_edges_for_call_stmt_node): Call cgraph_get_create_node
	instead of cgraph_node.
	(cgraph_add_new_function): Call cgraph_create_node or
	cgraph_get_create_node instead of cgraph_node.
	* cgraphbuild.c (record_reference): Call cgraph_get_create_node
	instead of cgraph_node.
	(record_eh_tables): Likewise.
	(mark_address): Likewise.
	(mark_load): Likewise.
	(build_cgraph_edges): Call cgraph_get_create_node instead
	of cgraph_node.
	(rebuild_cgraph_edges): Likewise.
	* cgraphunit.c (cgraph_finalize_function): Call cgraph_get_create_node
	instead of cgraph_node.
	(cgraph_copy_node_for_versioning): Call cgraph_create_node instead of
	cgraph_node.
	* lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Call
	cgraph_create_node instead of cgraph_node.
	* c-decl.c (finish_function): Call cgraph_get_create_node instead
	of cgraph_node.
	* lto-cgraph.c (input_node): Likewise.
	* lto-streamer-in.c (input_function): Likewise.
	* varasm.c (mark_decl_referenced): Likewise.
	(assemble_alias): Likewise.

gcc/c-family/
	* c-gimplify.c (c_genericize): Call cgraph_get_create_node instead
	of cgraph_node.

gcc/cp/
	* cp/class.c (cp_fold_obj_type_ref): Call cgraph_get_create_node
	instead of cgraph_node.
	* cp/decl2.c (cxx_callgraph_analyze_expr): Likewise.
	(cp_write_global_declarations): Likewise.
	* cp/optimize.c (maybe_clone_body): Likewise.
	* cp/semantics.c (maybe_add_lambda_conv_op): Likewise.
	* cp/mangle.c (mangle_decl): Likewise.
	* cp/method.c (make_alias_for_thunk): Likewise.
	(use_thunk): Likewise.

gcc/ada/
	* gcc-interface/utils.c (end_subprog_body): Call
	cgraph_get_create_node instead of cgraph_node.

gcc/fortran/
	* trans-decl.c (gfc_generate_function_code): Call
	cgraph_get_create_node instead of cgraph_node.

gcc/objc/
	* objc-act.c (mark_referenced_methods): Call cgraph_get_create_node
	instead of cgraph_node.

From-SVN: r172307