gcc/graphite-dependences.h

   1 /* Graphite polyhedral representation.
   2    Copyright (C) 2009 Free Software Foundation, Inc.
   3    Contributed by Konrad Trifunovic <konrad.trifunovic@gmail.com>
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_GRAPHITE_DEPENDENCES_H
  22 #define GCC_GRAPHITE_DEPENDENCES_H
  23
  24 extern bool graphite_legal_transform (scop_p);
  25 extern bool dependency_between_pbbs_p (poly_bb_p, poly_bb_p, int);
  26
  27 typedef struct poly_dr_pair *poly_dr_pair_p;
  28
  29 typedef struct poly_dr_pair
  30 {
  31   /* Source polyhedral data reference of the dependence.  */
  32   poly_dr_p source;
  33
  34   /* Sink data reference of the dependence.  */
  35   poly_dr_p sink;
  36
  37   /* Data dependence polyhedron descibing dependence
  38      between SOURCE and SINK data references.  */
  39   ppl_Pointset_Powerset_C_Polyhedron_t ddp;
  40 }poly_dr_pair;
  41
  42
  43 #define PDRP_SOURCE(PDRP) (PDR->source)
  44 #define PDRP_SINK(PDRP) (PDR->sink)
  45 #define PDRP_DDP(PDRP) (PDR->ddp)
  46
  47 extern int eq_poly_dr_pair_p (const void *, const void *);
  48 extern hashval_t hash_poly_dr_pair_p (const void *);
  49
  50 #endif