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/* Tree based linear points-to analysis
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
Contributed by Daniel Berlin <dberlin@dberlin.org>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, 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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef TREE_ALIAS_TYPE_H
#define TREE_ALIAS_TYPE_H
#include "varray.h"
union alias_var_def;
struct aterm_;
struct aterm_list_a;
enum alias_var_kind
{
ATERM_AVAR
};
struct alias_var_common GTY (())
{
enum alias_var_kind kind;
unsigned int varnum;
tree decl;
};
struct alias_var_aterm GTY (())
{
struct alias_var_common common;
struct aterm_ * GTY((skip (""))) term;
struct aterm_list_a *GTY ((skip (""))) ptset;
};
union alias_var_def GTY ((desc ("%0.common.kind")))
{
struct alias_var_common GTY ((tag ("-1"))) common;
struct alias_var_aterm GTY ((tag ("ATERM_AVAR"))) aterm;
};
typedef union alias_var_def *alias_var;
#define ALIAS_VAR_KIND(x) ((x)->common.kind)
#define ALIAS_VAR_VARNUM(x) ((x)->common.varnum)
#define ALIAS_VAR_DECL(x) ((x)->common.decl)
#define ALIAS_VAR_ATERM(x) ((x)->aterm.term)
#define ALIAS_VAR_PTSET(x) ((x)->aterm.ptset)
union alias_type_def;
typedef union alias_type_def *alias_type;
alias_var alias_var_new_with_aterm (tree, struct aterm_ *);
#endif /* TREE_ALIAS_TYPE_H */
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