cgraphunit.c: Update toplevel comment.

	* cgraphunit.c: Update toplevel comment.
	(tree_rest_of_compilation): Merge into cgraph_expand_function.
	(cgraph_analyze_function): Make static.
	(cgraph_decide_is_function_needed): Make static.
	(cgraph_add_new_function): Use expand_function instead of
	rest_of_compilation.
	(clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
	verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
	Move to cgraph.c
	(cgraph_inline_p): Remove.
	(cgraph_preserve_function_body_p): Move to ipa-inline-transform.
	(init_cgraph): Add comment.
	* cgraphbuild.c (record_reference, mark_address, mark_load,
	mark_store): Do not call analyze_expr hook.
	* cgraph.c: Update toplevel comment.
	(clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
	verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
	Move fere from cgraphunit.c
	(cgraph_mark_force_output_node): Move to cgraph.h
	* cgraph.h: Reorder so the comments match the function placement.
	(cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
	(cgraph_mark_force_output_node): Move here from cgraph.c
	* tree.c (free_lang_data): Do not clear analyze_expr hook.
	* ipa-inline-transform.c (preserve_function_body_p): New function.
	(inline_transform): Update.
	* langhooks.c (lhd_callgraph_analyze_expr): Remove.
	* langhooks.h (lang_hooks_for_callgraph): Remove.
	(lang_hooks): Remove callgraph.
	* tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
	* varpool.c: Remove out of date comment.
	* langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
	(LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.

From-SVN: r186832

1 files changed, 14 insertions, 1 deletions

diff --git a/gcc/ipa-inline-transform.c b/gcc/ipa-inline-transform.c
index c6cbd01..e07468a 100644
--- a/gcc/ipa-inline-transform.c
+++ b/gcc/ipa-inline-transform.c
@@ -353,6 +353,19 @@ save_inline_function_body (struct cgraph_node *node)
   return first_clone;
 }
 
+/* Return true when function body of DECL still needs to be kept around
+   for later re-use.  */
+bool
+preserve_function_body_p (struct cgraph_node *node)
+{
+  gcc_assert (cgraph_global_info_ready);
+  gcc_assert (!node->alias && !node->thunk.thunk_p);
+
+  /* Look if there is any clone around.  */
+  if (node->clones)
+    return true;
+  return false;
+}
 
 /* Apply inline plan to function.  */
 
@@ -369,7 +382,7 @@ inline_transform (struct cgraph_node *node)
 
   /* We might need the body of this function so that we can expand
      it inline somewhere else.  */
-  if (cgraph_preserve_function_body_p (node))
+  if (preserve_function_body_p (node))
     save_inline_function_body (node);
 
   for (e = node->callees; e; e = e->next_callee)