Refactor copying decl section names

gcc/

	* cgraph.h (symtab_node::get_section): Constify.
	(symtab_node::set_section): Declare new overload.
	* symtab.c (symtab_node::set_section): Define new overload.
	(symtab_node::copy_visibility_from): Use new overload of
	symtab_node::set_section.
	(symtab_node::resolve_alias): Same.
	* tree.h (set_decl_section_name): Declare new overload.
	* tree.c (set_decl_section_name): Define new overload.
	* tree-emutls.c (get_emutls_init_templ_addr): Same.
	* cgraphclones.c (cgraph_node::create_virtual_clone): Use new
	overload of symtab_node::set_section.
	(cgraph_node::create_version_clone_with_body): Same.
	* trans-mem.c (ipa_tm_create_version): Same.

gcc/c
	* c-decl.c (merge_decls): Use new overload of
	set_decl_section_name.

gcc/cp
	* decl.c (duplicate_decls): Use new overload of
	set_decl_section_name.
	* method.c (use_thunk): Same.
	* optimize.c (maybe_clone_body): Same.
	* coroutines.cc (act_des_fn): Same.

gcc/d
	* decl.cc (finish_thunk): Use new overload of
	set_decl_section_name

1 files changed, 27 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 9260772..663f3ec 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -773,6 +773,33 @@ set_decl_section_name (tree node, const char *value)
   snode->set_section (value);
 }
 
+/* Set section name of NODE to match the section name of OTHER.
+
+   set_decl_section_name (decl, other) is equivalent to
+   set_decl_section_name (decl, DECL_SECTION_NAME (other)), but possibly more
+   efficient.  */
+void
+set_decl_section_name (tree decl, const_tree other)
+{
+  struct symtab_node *other_node = symtab_node::get (other);
+  if (other_node)
+    {
+      struct symtab_node *decl_node;
+      if (VAR_P (decl))
+    decl_node = varpool_node::get_create (decl);
+      else
+    decl_node = cgraph_node::get_create (decl);
+      decl_node->set_section (*other_node);
+    }
+  else
+    {
+      struct symtab_node *decl_node = symtab_node::get (decl);
+      if (!decl_node)
+    return;
+      decl_node->set_section (NULL);
+    }
+}
+
 /* Return TLS model of a variable NODE.  */
 enum tls_model
 decl_tls_model (const_tree node)