Imported Upstream version 4.8.1

[platform/upstream/gcc48.git] / gcc / tree-nrv.c

diff --git a/gcc/tree-nrv.c b/gcc/tree-nrv.c
index 982fcc8..58e7e80 100644 (file)
--- a/gcc/tree-nrv.c
+++ b/gcc/tree-nrv.c
@@ -1,6 +1,5 @@
 /* Language independent return value optimizations
-   Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2004-2013 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -27,8 +26,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "basic-block.h"
 #include "tree-pretty-print.h"
 #include "tree-flow.h"
-#include "timevar.h"
-#include "tree-dump.h"
 #include "tree-pass.h"
 #include "langhooks.h"
 #include "flags.h"     /* For "optimize" in gate_pass_return_slot.
@@ -244,6 +241,7 @@ tree_nrv (void)
            {
              unlink_stmt_vdef (stmt);
              gsi_remove (&gsi, true);
+             release_defs (stmt);
            }
          else
            {
@@ -262,8 +260,6 @@ tree_nrv (void)
   SET_DECL_VALUE_EXPR (found, result);
   DECL_HAS_VALUE_EXPR_P (found) = 1;
 
-  /* FOUND is no longer used.  Ensure it gets removed.  */
-  clear_is_used (found);
   return 0;
 }
 
@@ -278,6 +274,7 @@ struct gimple_opt_pass pass_nrv =
  {
   GIMPLE_PASS,
   "nrv",                               /* name */
+  OPTGROUP_NONE,                        /* optinfo_flags */
   gate_pass_return_slot,               /* gate */
   tree_nrv,                            /* execute */
   NULL,                                        /* sub */
@@ -363,6 +360,7 @@ struct gimple_opt_pass pass_return_slot =
  {
   GIMPLE_PASS,
   "retslot",                           /* name */
+  OPTGROUP_NONE,                        /* optinfo_flags */
   NULL,                                        /* gate */
   execute_return_slot_opt,             /* execute */
   NULL,                                        /* sub */