1287117Scem/* Graphite polyhedral representation. 2287117Scem Copyright (C) 2009 Free Software Foundation, Inc. 3287117Scem Contributed by Konrad Trifunovic <konrad.trifunovic@gmail.com> 4287117Scem 5287117ScemThis file is part of GCC. 6287117Scem 7287117ScemGCC is free software; you can redistribute it and/or modify 8287117Scemit under the terms of the GNU General Public License as published by 9287117Scemthe Free Software Foundation; either version 3, or (at your option) 10287117Scemany later version. 11287117Scem 12287117ScemGCC is distributed in the hope that it will be useful, 13287117Scembut WITHOUT ANY WARRANTY; without even the implied warranty of 14287117ScemMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15287117ScemGNU General Public License for more details. 16287117Scem 17287117ScemYou should have received a copy of the GNU General Public License 18287117Scemalong with GCC; see the file COPYING3. If not see 19287117Scem<http://www.gnu.org/licenses/>. */ 20287117Scem 21287117Scem#ifndef GCC_GRAPHITE_DEPENDENCES_H 22287117Scem#define GCC_GRAPHITE_DEPENDENCES_H 23287117Scem 24287117Scemextern bool graphite_legal_transform (scop_p); 25287117Scemextern bool dependency_between_pbbs_p (poly_bb_p, poly_bb_p, int); 26287117Scem 27287117Scemenum poly_dependence_kind { 28287117Scem unknown_dependence, 29287117Scem no_dependence, 30287117Scem has_dependence 31287117Scem}; 32287117Scem 33287117Scem/* Represents a Polyhedral Data Dependence Relation. */ 34287117Scem 35287117Scemtypedef struct poly_ddr 36287117Scem{ 37287117Scem /* Source and sink data references of the dependence. */ 38287117Scem poly_dr_p source, sink; 39287117Scem 40287117Scem /* Data dependence polyhedron. */ 41287117Scem ppl_Pointset_Powerset_C_Polyhedron_t ddp; 42287117Scem 43287117Scem enum poly_dependence_kind kind; 44287117Scem 45287117Scem /* True when the dependence relation is for the original scattering. */ 46287117Scem bool original_scattering_p; 47287117Scem 48287117Scem} *poly_ddr_p; 49287117Scem 50287117Scem#define PDDR_SOURCE(PDDR) (PDDR->source) 51287117Scem#define PDDR_SINK(PDDR) (PDDR->sink) 52287117Scem#define PDDR_DDP(PDDR) (PDDR->ddp) 53287117Scem#define PDDR_KIND(PDDR) (PDDR->kind) 54287117Scem#define PDDR_ORIGINAL_SCATTERING_P(PDDR) (PDDR->original_scattering_p) 55287117Scem 56287117Scemextern int eq_poly_ddr_p (const void *, const void *); 57287117Scemextern hashval_t hash_poly_ddr_p (const void *); 58287117Scemextern void free_poly_ddr (void *); 59287117Scemextern void dot_deps (scop_p); 60287117Scemextern void dot_deps_stmt (scop_p); 61287117Scemextern void print_pddr (FILE *, poly_ddr_p); 62287117Scemextern void debug_pddr (poly_ddr_p); 63287117Scem 64287117Scem#endif 65287117Scem