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/* Tree inlining hooks and declarations.

   Copyright 2001, 2003, 2004, 2005 Free Software Foundation, Inc.

   Contributed by Alexandre Oliva  <aoliva@redhat.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 2, 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 COPYING.  If not, write to

the Free Software Foundation, 51 Franklin Street, Fifth Floor,

Boston, MA 02110-1301, USA.  */

#ifndef GCC_TREE_INLINE_H

#define GCC_TREE_INLINE_H

#include "varray.h"

/* Function prototypes.  */

void optimize_inline_calls (tree);

bool tree_inlinable_function_p (tree);

tree copy_tree_r (tree *, int *, void *);

void clone_body (tree, tree, void *);

void save_body (tree, tree *, tree *);

int estimate_move_cost (tree type);

void push_cfun (struct function *new_cfun);

void pop_cfun (void);

int estimate_num_insns (tree expr);

bool tree_versionable_function_p (tree);

void tree_function_versioning (tree, tree, varray_type);

/* Copy a declaration when one function is substituted inline into

   another.  It is used also for versioning.  */

extern tree copy_decl_for_dup (tree, tree, tree, bool);

/* 0 if we should not perform inlining.

   1 if we should expand functions calls inline at the tree level.

   2 if we should consider *all* functions to be inline

   candidates.  */

extern int flag_inline_trees;

#endif /* GCC_TREE_INLINE_H */