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/* Gimple Represented as Polyhedra.
Copyright (C) 2009, 2010 Free Software Foundation, Inc.
Contributed by Sebastian Pop <sebastian.pop@inria.fr>
and Tobias Grosser <grosser@fim.uni-passau.de>.
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_PPL_H
#define GCC_GRAPHITE_PPL_H
#include "double-int.h"
#include "tree.h"
ppl_Polyhedron_t ppl_strip_loop (ppl_Polyhedron_t, ppl_dimension_type, int);
int ppl_lexico_compare_linear_expressions (ppl_Linear_Expression_t,
ppl_Linear_Expression_t);
void ppl_print_polyhedron_matrix (FILE *, ppl_const_Polyhedron_t);
void ppl_print_powerset_matrix (FILE *, ppl_Pointset_Powerset_C_Polyhedron_t);
void debug_ppl_polyhedron_matrix (ppl_Polyhedron_t);
void debug_ppl_powerset_matrix (ppl_Pointset_Powerset_C_Polyhedron_t);
void ppl_print_linear_expr (FILE *, ppl_Linear_Expression_t);
void debug_ppl_linear_expr (ppl_Linear_Expression_t);
void ppl_read_polyhedron_matrix (ppl_Polyhedron_t *, FILE *);
void ppl_insert_dimensions (ppl_Polyhedron_t, int, int);
void ppl_insert_dimensions_pointset (ppl_Pointset_Powerset_C_Polyhedron_t, int,
int);
void ppl_set_inhomogeneous_gmp (ppl_Linear_Expression_t, mpz_t);
void ppl_set_coef_gmp (ppl_Linear_Expression_t, ppl_dimension_type, mpz_t);
void ppl_max_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t,
ppl_Linear_Expression_t, mpz_t);
void ppl_min_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t,
ppl_Linear_Expression_t, mpz_t);
ppl_Constraint_t ppl_build_relation (int, int, int, int,
enum ppl_enum_Constraint_Type);
/* Assigns to RES the value of the INTEGER_CST T. */
static inline void
tree_int_to_gmp (tree t, mpz_t res)
{
double_int di = tree_to_double_int (t);
mpz_set_double_int (res, di, TYPE_UNSIGNED (TREE_TYPE (t)));
}
/* Converts a GMP constant VAL to a tree and returns it. */
static inline tree
gmp_cst_to_tree (tree type, mpz_t val)
{
tree t = type ? type : integer_type_node;
mpz_t tmp;
double_int di;
mpz_init (tmp);
mpz_set (tmp, val);
di = mpz_get_double_int (t, tmp, true);
mpz_clear (tmp);
return double_int_to_tree (t, di);
}
/* Set the inhomogeneous term of E to the integer X. */
static inline void
ppl_set_inhomogeneous (ppl_Linear_Expression_t e, int x)
{
mpz_t v;
mpz_init (v);
mpz_set_si (v, x);
ppl_set_inhomogeneous_gmp (e, v);
mpz_clear (v);
}
/* Set the inhomogeneous term of E to the tree X. */
static inline void
ppl_set_inhomogeneous_tree (ppl_Linear_Expression_t e, tree x)
{
mpz_t v;
mpz_init (v);
tree_int_to_gmp (x, v);
ppl_set_inhomogeneous_gmp (e, v);
mpz_clear (v);
}
/* Set E[I] to integer X. */
static inline void
ppl_set_coef (ppl_Linear_Expression_t e, ppl_dimension_type i, int x)
{
mpz_t v;
mpz_init (v);
mpz_set_si (v, x);
ppl_set_coef_gmp (e, i, v);
mpz_clear (v);
}
/* Set E[I] to tree X. */
static inline void
ppl_set_coef_tree (ppl_Linear_Expression_t e, ppl_dimension_type i, tree x)
{
mpz_t v;
mpz_init (v);
tree_int_to_gmp (x, v);
ppl_set_coef_gmp (e, i, v);
mpz_clear (v);
}
/* Sets RES to the max of V1 and V2. */
static inline void
value_max (mpz_t res, mpz_t v1, mpz_t v2)
{
if (mpz_cmp (v1, v2) < 0)
mpz_set (res, v2);
mpz_set (res, v1);
}
/* Builds a new identity map for dimension DIM. */
static inline ppl_dimension_type *
ppl_new_id_map (ppl_dimension_type dim)
{
ppl_dimension_type *map, i;
map = (ppl_dimension_type *) XNEWVEC (ppl_dimension_type, dim);
for (i = 0; i < dim; i++)
map[i] = i;
return map;
}
/* Builds an interchange of dimensions A and B in MAP. */
static inline void
ppl_interchange (ppl_dimension_type *map,
ppl_dimension_type a,
ppl_dimension_type b)
{
map[a] = b;
map[b] = a;
}
#endif
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