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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [graphite-dependences.h] - Rev 280

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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);
 
enum poly_dependence_kind {
  unknown_dependence,
  no_dependence,
  has_dependence
};
 
/* Represents a Polyhedral Data Dependence Relation.  */
 
typedef struct poly_ddr
{
  /* Source and sink data references of the dependence.  */
  poly_dr_p source, sink;
 
  /* Data dependence polyhedron.  */
  ppl_Pointset_Powerset_C_Polyhedron_t ddp;
 
  enum poly_dependence_kind kind;
 
  /* True when the dependence relation is for the original scattering.  */
  bool original_scattering_p;
 
} *poly_ddr_p;
 
#define PDDR_SOURCE(PDDR) (PDDR->source)
#define PDDR_SINK(PDDR) (PDDR->sink)
#define PDDR_DDP(PDDR) (PDDR->ddp)
#define PDDR_KIND(PDDR) (PDDR->kind)
#define PDDR_ORIGINAL_SCATTERING_P(PDDR) (PDDR->original_scattering_p)
 
extern int eq_poly_ddr_p (const void *, const void *);
extern hashval_t hash_poly_ddr_p (const void *);
extern void free_poly_ddr (void *);
extern void dot_deps (scop_p);
extern void dot_deps_stmt (scop_p);
extern void print_pddr (FILE *, poly_ddr_p);
extern void debug_pddr (poly_ddr_p);
 
#endif
 

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