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/* Language-dependent trees for LTO.

   Copyright 2009 Free Software Foundation, Inc.

   Contributed by CodeSourcery, Inc.

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_LTO_TREE_H

#define GCC_LTO_TREE_H

#include "plugin-api.h"

struct GTY(()) lang_identifier

{

  struct tree_identifier base;

};

struct GTY(()) lang_decl

{

  int dummy;  /* Added because ggc does not like empty structs.  */

};

struct GTY(()) lang_type

{

  int dummy;  /* Added because ggc does not like empty structs.  */

};

struct GTY(()) language_function

{

  int dummy;  /* Added because ggc does not like empty structs.  */

};

enum lto_tree_node_structure_enum {

  TS_LTO_GENERIC

};

union GTY((desc ("lto_tree_node_structure (&%h)"),

          chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))

    lang_tree_node

{

  union tree_node GTY ((tag ("TS_LTO_GENERIC"),

                        desc ("tree_node_structure (&%h)"))) generic;

};

/* Vector to keep track of external variables we've seen so far.  */

extern GTY(()) VEC(tree,gc) *lto_global_var_decls;

#endif /* GCC_LTO_TREE_H */