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/* Graphite polyhedral representation.
Copyright (C) 2009 Free Software Foundation, Inc.
Contributed by Konrad Trifunovic <konrad.trifunovic@gmail.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_GRAPHITE_DEPENDENCES_H
#define GCC_GRAPHITE_DEPENDENCES_H
extern bool graphite_legal_transform (scop_p);
extern bool dependency_between_pbbs_p (poly_bb_p, poly_bb_p, int);
typedef struct poly_dr_pair *poly_dr_pair_p;
typedef struct poly_dr_pair
{
/* Source polyhedral data reference of the dependence. */
poly_dr_p source;
/* Sink data reference of the dependence. */
poly_dr_p sink;
/* Data dependence polyhedron descibing dependence
between SOURCE and SINK data references. */
ppl_Pointset_Powerset_C_Polyhedron_t ddp;
}poly_dr_pair;
#define PDRP_SOURCE(PDRP) (PDR->source)
#define PDRP_SINK(PDRP) (PDR->sink)
#define PDRP_DDP(PDRP) (PDR->ddp)
extern int eq_poly_dr_pair_p (const void *, const void *);
extern hashval_t hash_poly_dr_pair_p (const void *);
#endif
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