From ead84f73b0a0f39ea39aa0329b6da83e4a9e6e02 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse.cz>
Date: Fri, 20 Apr 2012 16:09:11 +0200
Subject: lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of force
 flags.

	* lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of force flags.
	* cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
	(cgraph_remove_node): Update.
	(cgraph_mark_needed_node): Remove.
	(cgraph_mark_force_output_node): New.
	(dump_cgraph_node): Do not dump needed flag.
	(cgraph_node_cannot_be_local_p_1): Update.
	(cgraph_can_remove_if_no_direct_calls_and_refs): Update.
	* cgraph.h (symtab_node_base): Add force_output flag.
	(cgraph_node): Remove needed flag.
	(varpool_node): Remove force_output flag.
	(cgraph_mark_needed_node): Remove.
	(cgraph_mark_force_output_node): New.
	(cgraph_only_called_directly_or_aliased_p,
	varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
	* ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
	* cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
	(cgraph_add_new_function); Update.
	(cgraph_mark_if_needed); Update.
	(verify_cgraph_node): Update.
	(cgraph_analyze_function): Alias target is reachable.
	(process_function_and_variable_attributes): Update: externally_visible
	flag makes function reachable.
	(cgraph_analyze_functions): Update dumping.
	* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
	input_overwrite_node, input_varpool_node): Update streaming.
	* lto-streamer-out.c (produce_symtab): Use force_output.
	* ipa.c (process_references): Weakrefs must be processed.
	(cgraph_remove_unreachable_nodes): Likewise; update for new
	force_output flag.
	(varpool_externally_visible_p); Weakrefs are externally visible
	even if they are not.
	(function_and_variable_visibility): Update; when processing alias
	pair force the targets to be output.
	(whole_program_function_and_variable_visility): Use mark_reachable_node.
	* trans-mem.c (ipa_tm_mark_needed_node): Remove
	(ipa_tm_mark_force_output_node): New function.
	(ipa_tm_create_version_alias, ipa_tm_create_version): Update.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about aliases.
	* varasm.c (mark_decl_referenced): Update.
	(find_decl_and_mark_needed): Remove.
	(find_decl): New function.
	(weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
	alias targets as needed.
	(dump_tm_clone_pairs): Update.
	* tree-inline.c (copy_bb): Update check.
	* symtab.c (dump_symtab_base): Dump force_output.
	* tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
	* passes.c (execute_todo): Fix dumping.
	* varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
	(varpool_analyze_pending_decls): Alias target is reachable.
	(varpool_create_variable_alias): Finalize weakrefs.

	* class.c (make_local_function_alias): Do not mark symbol referenced.

	* objc-acct.c (mark_referenced_methods); Use
	cgraph_mark_force_output_node.

	* gcc-interface/utils.c (gnat_write_global_declarations): Update for new
	force_output placement.

	* lto/lto-partition.c (partition_cgraph_node_p): Use force_output.

From-SVN: r186624
---
 gcc/lto/lto-partition.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'gcc/lto/lto-partition.c')

diff --git a/gcc/lto/lto-partition.c b/gcc/lto/lto-partition.c
index 6fe672f..8287f8f 100644
--- a/gcc/lto/lto-partition.c
+++ b/gcc/lto/lto-partition.c
@@ -269,6 +269,7 @@ partition_cgraph_node_p (struct cgraph_node *node)
   /* Extern inlines and comdat are always only in partitions they are needed.  */
   if (DECL_EXTERNAL (node->symbol.decl)
       || (DECL_COMDAT (node->symbol.decl)
+	  && !node->symbol.force_output
 	  && !cgraph_used_from_object_file_p (node)))
     return false;
   if (lookup_attribute ("weakref", DECL_ATTRIBUTES (node->symbol.decl)))
@@ -287,7 +288,7 @@ partition_varpool_node_p (struct varpool_node *vnode)
   /* Constant pool and comdat are always only in partitions they are needed.  */
   if (DECL_IN_CONSTANT_POOL (vnode->symbol.decl)
       || (DECL_COMDAT (vnode->symbol.decl)
-	  && !vnode->force_output
+	  && !vnode->symbol.force_output
 	  && !varpool_used_from_object_file_p (vnode)))
     return false;
   if (lookup_attribute ("weakref", DECL_ATTRIBUTES (vnode->symbol.decl)))
-- 
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