gcc/graphite-ppl.h

   1 /* Gimple Represented as Polyhedra.
   2    Copyright (C) 2009, 2010 Free Software Foundation, Inc.
   3    Contributed by Sebastian Pop <sebastian.pop@inria.fr>
   4    and Tobias Grosser <grosser@fim.uni-passau.de>.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21 #ifndef GCC_GRAPHITE_PPL_H
  22 #define GCC_GRAPHITE_PPL_H
  23
  24 #include "double-int.h"
  25 #include "tree.h"
  26
  27 CloogMatrix *new_Cloog_Matrix_from_ppl_Polyhedron (ppl_const_Polyhedron_t);
  28 CloogDomain *new_Cloog_Domain_from_ppl_Polyhedron (ppl_const_Polyhedron_t);
  29 CloogDomain * new_Cloog_Domain_from_ppl_Pointset_Powerset (
  30   ppl_Pointset_Powerset_C_Polyhedron_t);
  31 void new_C_Polyhedron_from_Cloog_Matrix (ppl_Polyhedron_t *, CloogMatrix *);
  32 void insert_constraint_into_matrix (CloogMatrix *, int, ppl_const_Constraint_t);
  33 ppl_Polyhedron_t ppl_strip_loop (ppl_Polyhedron_t, ppl_dimension_type, int);
  34 int ppl_lexico_compare_linear_expressions (ppl_Linear_Expression_t,
  35                                            ppl_Linear_Expression_t);
  36
  37 void ppl_print_polyhedron_matrix (FILE *, ppl_const_Polyhedron_t);
  38 void ppl_print_powerset_matrix (FILE *, ppl_Pointset_Powerset_C_Polyhedron_t);
  39 void debug_ppl_polyhedron_matrix (ppl_Polyhedron_t);
  40 void debug_ppl_powerset_matrix (ppl_Pointset_Powerset_C_Polyhedron_t);
  41 void ppl_print_linear_expr (FILE *, ppl_Linear_Expression_t);
  42 void debug_ppl_linear_expr (ppl_Linear_Expression_t);
  43 void ppl_read_polyhedron_matrix (ppl_Polyhedron_t *, FILE *);
  44 void ppl_insert_dimensions (ppl_Polyhedron_t, int, int);
  45 void ppl_insert_dimensions_pointset (ppl_Pointset_Powerset_C_Polyhedron_t, int,
  46                                      int);
  47 void ppl_set_inhomogeneous_gmp (ppl_Linear_Expression_t, mpz_t);
  48 void ppl_set_coef_gmp (ppl_Linear_Expression_t, ppl_dimension_type, mpz_t);
  49 void ppl_max_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t,
  50                               ppl_Linear_Expression_t, mpz_t);
  51 void ppl_min_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t,
  52                               ppl_Linear_Expression_t, mpz_t);
  53 ppl_Constraint_t ppl_build_relation (int, int, int, int,
  54                                      enum ppl_enum_Constraint_Type);
  55
  56 /* Assigns to RES the value of the INTEGER_CST T.  */
  57
  58 static inline void
  59 tree_int_to_gmp (tree t, mpz_t res)
  60 {
  61   double_int di = tree_to_double_int (t);
  62   mpz_set_double_int (res, di, TYPE_UNSIGNED (TREE_TYPE (t)));
  63 }
  64
  65 /* Converts a GMP constant VAL to a tree and returns it.  */
  66
  67 static inline tree
  68 gmp_cst_to_tree (tree type, mpz_t val)
  69 {
  70   tree t = type ? type : integer_type_node;
  71   mpz_t tmp;
  72   double_int di;
  73
  74   mpz_init (tmp);
  75   mpz_set (tmp, val);
  76   di = mpz_get_double_int (t, tmp, true);
  77   mpz_clear (tmp);
  78
  79   return double_int_to_tree (t, di);
  80 }
  81
  82 /* Set the inhomogeneous term of E to the integer X.  */
  83
  84 static inline void
  85 ppl_set_inhomogeneous (ppl_Linear_Expression_t e, int x)
  86 {
  87   mpz_t v;
  88   mpz_init (v);
  89   mpz_set_si (v, x);
  90   ppl_set_inhomogeneous_gmp (e, v);
  91   mpz_clear (v);
  92 }
  93
  94 /* Set the inhomogeneous term of E to the tree X.  */
  95
  96 static inline void
  97 ppl_set_inhomogeneous_tree (ppl_Linear_Expression_t e, tree x)
  98 {
  99   mpz_t v;
 100   mpz_init (v);
 101   tree_int_to_gmp (x, v);
 102   ppl_set_inhomogeneous_gmp (e, v);
 103   mpz_clear (v);
 104 }
 105
 106 /* Set E[I] to integer X.  */
 107
 108 static inline void
 109 ppl_set_coef (ppl_Linear_Expression_t e, ppl_dimension_type i, int x)
 110 {
 111   mpz_t v;
 112   mpz_init (v);
 113   mpz_set_si (v, x);
 114   ppl_set_coef_gmp (e, i, v);
 115   mpz_clear (v);
 116 }
 117
 118 /* Set E[I] to tree X.  */
 119
 120 static inline void
 121 ppl_set_coef_tree (ppl_Linear_Expression_t e, ppl_dimension_type i, tree x)
 122 {
 123   mpz_t v;
 124   mpz_init (v);
 125   tree_int_to_gmp (x, v);
 126   ppl_set_coef_gmp (e, i, v);
 127   mpz_clear (v);
 128 }
 129
 130 /* Sets RES to the max of V1 and V2.  */
 131
 132 static inline void
 133 value_max (mpz_t res, mpz_t v1, mpz_t v2)
 134 {
 135   if (mpz_cmp (v1, v2) < 0)
 136     mpz_set (res, v2);
 137   mpz_set (res, v1);
 138 }
 139
 140 /* Builds a new identity map for dimension DIM.  */
 141
 142 static inline ppl_dimension_type *
 143 ppl_new_id_map (ppl_dimension_type dim)
 144 {
 145   ppl_dimension_type *map, i;
 146
 147   map = (ppl_dimension_type *) XNEWVEC (ppl_dimension_type, dim);
 148
 149   for (i = 0; i < dim; i++)
 150     map[i] = i;
 151
 152   return map;
 153 }
 154
 155 /* Builds an interchange of dimensions A and B in MAP.  */
 156
 157 static inline void
 158 ppl_interchange (ppl_dimension_type *map,
 159                  ppl_dimension_type a,
 160                  ppl_dimension_type b)
 161 {
 162   map[a] = b;
 163   map[b] = a;
 164 }
 165
 166 #endif
 167