* cgraphbuild.c (cgraph_rebuild_references): New.

	(cgraph_mark_reachable_node): Accept references to optimized out
	extern inlines.
	* cgraph.h (cgraph_rebuild_references): Declare.
	* tree-inline.c (tree_function_versioning): Use it.
	* ipa-struct-reorg.c (do_reorg_for_func): Likewise.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@159259 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 31 insertions, 0 deletions

diff --git a/gcc/cgraphbuild.c b/gcc/cgraphbuild.c
index 246be20df2e..b09963d1c04 100644
--- a/gcc/cgraphbuild.c
+++ b/gcc/cgraphbuild.c
@@ -463,6 +463,37 @@ rebuild_cgraph_edges (void)
   return 0;
 }
 
+/* Rebuild cgraph edges for current function node.  This needs to be run after
+   passes that don't update the cgraph.  */
+
+void
+cgraph_rebuild_references (void)
+{
+  basic_block bb;
+  struct cgraph_node *node = cgraph_node (current_function_decl);
+  gimple_stmt_iterator gsi;
+
+  ipa_remove_all_references (&node->ref_list);
+
+  node->count = ENTRY_BLOCK_PTR->count;
+
+  FOR_EACH_BB (bb)
+    {
+      for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
+	{
+	  gimple stmt = gsi_stmt (gsi);
+
+	  walk_stmt_load_store_addr_ops (stmt, node, mark_load,
+					 mark_store, mark_address);
+
+	}
+      for (gsi = gsi_start (phi_nodes (bb)); !gsi_end_p (gsi); gsi_next (&gsi))
+	walk_stmt_load_store_addr_ops (gsi_stmt (gsi), node,
+				       mark_load, mark_store, mark_address);
+    }
+  record_eh_tables (node, cfun);
+}
+
 struct gimple_opt_pass pass_rebuild_cgraph_edges =
 {
  {