class.c (emit_register_classes_in_jcr_section): Use DECL_PRESERVE_P instead of mark_decl_referenced.

	* class.c (emit_register_classes_in_jcr_section): Use DECL_PRESERVE_P
	instead of mark_decl_referenced.

	* decl2.c (maybe_make_one_only): Use forced_by_abi instad of
	mark_decl_referenced.
	(mark_needed): Likewise.

	* cgraph.c (cgraph_remove_node): Clear forced_by_abi.
	(cgraph_node_cannot_be_local_p_1): Honnor symbol.forced_by_abi
	and symtab_used_from_object_file_p.
	(cgraph_make_node_local_1): Clear forced_by_abi.
	(cgraph_can_remove_if_no_direct_calls_and): Use forced_by_abi
	* cgraph.h (symtab_node_base): Add forced_by_abi.
	(decide_is_variable_needed): Remove.
	(varpool_can_remove_if_no_refs): Honnor symbol.forced_by_abi.
	* cgraphunit.c (cgraph_decide_is_function_needed): Rename to ..
	(decide_is_symbol_needed): ... this one; handle symbols in general;
	always analyze virtuals; honnor forced_by_abi.
	(cgraph_finalize_function): Update.
	(varpool_finalize_decl): Update.
	(symbol_defined_and_needed): Remove.
	(analyze_functions): Update.
	* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
	output_refs, input_overwrite_node): Handle forced_by_abi.
	* ipa.c (cgraph_address_taken_from_non_vtable_p): Rename to ...
	(address_taken_from_non_vtable_p): ... this one.
	(comdat_can_be_unshared_p_1): New function.
	(cgraph_comdat_can_be_unshared_p): Rename to ...
	(comdat_can_be_unshared_p): ... this one; handle symbols in general.
	(varpool_externally_visible_p): Use comdat_can_be_unshared_p.
	(function_and_variable_visibility): Clear forced_by_abi as needed.
	* trans-mem.c (ipa_tm_mark_forced_by_abi_node): New functoin.
	(ipa_tm_create_version_alias, ipa_tm_create_version): Update.
	* varasm.c (mark_decl_referenced): Remove.
	* symtab.c (dump_symtab_base): Dump forced_by_abi.
	* varpool.c (decide_is_variable_needed): Remove.

From-SVN: r199695

1 files changed, 0 insertions, 27 deletions

diff --git a/gcc/varasm.c b/gcc/varasm.c
index c088ebf..4c4178f 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -2244,33 +2244,6 @@ mark_referenced (tree id)
   TREE_SYMBOL_REFERENCED (id) = 1;
 }
 
-/* Set the symbol_referenced flag for DECL and notify callgraph.  */
-void
-mark_decl_referenced (tree decl)
-{
-  if (TREE_CODE (decl) == FUNCTION_DECL)
-    {
-      /* Extern inline functions don't become needed when referenced.
-	 If we know a method will be emitted in other TU and no new
-	 functions can be marked reachable, just use the external
-	 definition.  */
-      struct cgraph_node *node = cgraph_get_create_node (decl);
-      if (!DECL_EXTERNAL (decl)
-	  && !node->symbol.definition)
-	cgraph_mark_force_output_node (node);
-    }
-  else if (TREE_CODE (decl) == VAR_DECL)
-    {
-      struct varpool_node *node = varpool_node_for_decl (decl);
-      /* C++ frontend use mark_decl_references to force COMDAT variables
-         to be output that might appear dead otherwise.  */
-      node->symbol.force_output = true;
-    }
-  /* else do nothing - we can get various sorts of CST nodes here,
-     which do not need to be marked.  */
-}
-
-
 /* Follow the IDENTIFIER_TRANSPARENT_ALIAS chain starting at *ALIAS
    until we find an identifier that is not itself a transparent alias.
    Modify the alias passed to it by reference (and all aliases on the