1 /* Graphite polyhedral representation. 2 Copyright (C) 2009, 2010 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 enum poly_dependence_kind { 28 unknown_dependence, 29 no_dependence, 30 has_dependence 31 }; 32 33 /* Represents a Polyhedral Data Dependence Relation. */ 34 35 typedef struct poly_ddr 36 { 37 /* Source and sink data references of the dependence. */ 38 poly_dr_p source, sink; 39 40 /* Data dependence polyhedron. */ 41 ppl_Pointset_Powerset_C_Polyhedron_t ddp; 42 43 enum poly_dependence_kind kind; 44 45 /* True when the dependence relation is for the original scattering. */ 46 bool original_scattering_p; 47 48 } *poly_ddr_p; 49 50 #define PDDR_SOURCE(PDDR) (PDDR->source) 51 #define PDDR_SINK(PDDR) (PDDR->sink) 52 #define PDDR_DDP(PDDR) (PDDR->ddp) 53 #define PDDR_KIND(PDDR) (PDDR->kind) 54 #define PDDR_ORIGINAL_SCATTERING_P(PDDR) (PDDR->original_scattering_p) 55 56 extern int eq_poly_ddr_p (const void *, const void *); 57 extern hashval_t hash_poly_ddr_p (const void *); 58 extern void free_poly_ddr (void *); 59 extern void dot_deps (scop_p); 60 extern void dot_deps_stmt (scop_p); 61 extern void print_pddr (FILE *, poly_ddr_p); 62 extern void debug_pddr (poly_ddr_p); 63 64 #endif 65