Add gcc-4.6. Synced to @180989

Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile

1 files changed, 61 insertions, 0 deletions

diff --git a/gcc-4.6/gcc/l-ipo.h b/gcc-4.6/gcc/l-ipo.h
new file mode 100644
index 000000000..d1c3dbf34
--- /dev/null
+++ b/gcc-4.6/gcc/l-ipo.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 2009. Free Software Foundation, Inc.
+   Contributed by Xinliang David Li (davidxl@google.com) and
+                  Raksit Ashok  (raksit@google.com)
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_L_IPO_H
+#define GCC_L_IPO_H
+
+/* Primary module's id (non-zero). If no module-info was read in, this will
+   be zero.  */
+extern unsigned primary_module_id;
+
+/* The macro to test if the compilation is in light weight IPO mode.
+   In this mode, the source module being compiled will be compiled
+   together with 0 or more auxiliary modules.  */
+#define L_IPO_COMP_MODE (primary_module_id != 0)
+
+/* The macro to test if the current module being parsed is the
+   primary source module.  */
+#define L_IPO_IS_PRIMARY_MODULE (current_module_id == primary_module_id)
+
+/* The macro to test if the current module being parsed is an
+   auxiliary source module.  */
+#define L_IPO_IS_AUXILIARY_MODULE (L_IPO_COMP_MODE && current_module_id \
+                             && current_module_id != primary_module_id)
+
+/* Current module id.  */
+extern unsigned current_module_id;
+extern struct gcov_module_info **module_infos;
+extern int is_last_module (unsigned mod_id);
+
+extern unsigned num_in_fnames;
+extern int at_eof;
+extern bool parser_parsing_start;
+
+void push_module_scope (void);
+void pop_module_scope (void);
+tree lipo_save_decl (tree src);
+void lipo_restore_decl (tree, tree);
+void add_decl_to_current_module_scope (tree decl, void *b);
+int lipo_cmp_type (tree t1, tree t2);
+tree get_type_or_decl_name (tree);
+int equivalent_struct_types_for_tbaa (const_tree t1, const_tree t2);
+extern void copy_defined_module_set (tree, tree);
+
+#endif