65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Graphite polyhedral representation.
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Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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Contributed by Konrad Trifunovic <konrad.trifunovic@gmail.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_GRAPHITE_DEPENDENCES_H
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#define GCC_GRAPHITE_DEPENDENCES_H
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extern bool graphite_legal_transform (scop_p);
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extern bool dependency_between_pbbs_p (poly_bb_p, poly_bb_p, int);
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enum poly_dependence_kind {
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unknown_dependence,
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no_dependence,
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has_dependence
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};
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/* Represents a Polyhedral Data Dependence Relation. */
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typedef struct poly_ddr
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{
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/* Source and sink data references of the dependence. */
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poly_dr_p source, sink;
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/* Data dependence polyhedron. */
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ppl_Pointset_Powerset_C_Polyhedron_t ddp;
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enum poly_dependence_kind kind;
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/* True when the dependence relation is for the original scattering. */
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bool original_scattering_p;
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} *poly_ddr_p;
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#define PDDR_SOURCE(PDDR) (PDDR->source)
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#define PDDR_SINK(PDDR) (PDDR->sink)
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#define PDDR_DDP(PDDR) (PDDR->ddp)
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#define PDDR_KIND(PDDR) (PDDR->kind)
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#define PDDR_ORIGINAL_SCATTERING_P(PDDR) (PDDR->original_scattering_p)
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extern int eq_poly_ddr_p (const void *, const void *);
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extern hashval_t hash_poly_ddr_p (const void *);
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extern void free_poly_ddr (void *);
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extern void dot_deps (scop_p);
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extern void dot_deps_stmt (scop_p);
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extern void print_pddr (FILE *, poly_ddr_p);
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extern void debug_pddr (poly_ddr_p);
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#endif
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