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 ppl_Polyhedron_t ppl_strip_loop (ppl_Polyhedron_t, ppl_dimension_type, int); 28 int ppl_lexico_compare_linear_expressions (ppl_Linear_Expression_t, 29 ppl_Linear_Expression_t); 30 31 void ppl_print_polyhedron_matrix (FILE *, ppl_const_Polyhedron_t); 32 void ppl_print_powerset_matrix (FILE *, ppl_Pointset_Powerset_C_Polyhedron_t); 33 void debug_ppl_polyhedron_matrix (ppl_Polyhedron_t); 34 void debug_ppl_powerset_matrix (ppl_Pointset_Powerset_C_Polyhedron_t); 35 void ppl_print_linear_expr (FILE *, ppl_Linear_Expression_t); 36 void debug_ppl_linear_expr (ppl_Linear_Expression_t); 37 void ppl_read_polyhedron_matrix (ppl_Polyhedron_t *, FILE *); 38 void ppl_insert_dimensions (ppl_Polyhedron_t, int, int); 39 void ppl_insert_dimensions_pointset (ppl_Pointset_Powerset_C_Polyhedron_t, int, 40 int); 41 void ppl_set_inhomogeneous_gmp (ppl_Linear_Expression_t, mpz_t); 42 void ppl_set_coef_gmp (ppl_Linear_Expression_t, ppl_dimension_type, mpz_t); 43 void ppl_max_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t, 44 ppl_Linear_Expression_t, mpz_t); 45 void ppl_min_for_le_pointset (ppl_Pointset_Powerset_C_Polyhedron_t, 46 ppl_Linear_Expression_t, mpz_t); 47 ppl_Constraint_t ppl_build_relation (int, int, int, int, 48 enum ppl_enum_Constraint_Type); 49 void debug_gmp_value (mpz_t); 50 bool ppl_powerset_is_empty (ppl_Pointset_Powerset_C_Polyhedron_t); 51 52 53 /* Assigns to RES the value of the INTEGER_CST T. */ 54 55 static inline void 56 tree_int_to_gmp (tree t, mpz_t res) 57 { 58 double_int di = tree_to_double_int (t); 59 mpz_set_double_int (res, di, TYPE_UNSIGNED (TREE_TYPE (t))); 60 } 61 62 /* Converts a GMP constant VAL to a tree and returns it. */ 63 64 static inline tree 65 gmp_cst_to_tree (tree type, mpz_t val) 66 { 67 tree t = type ? type : integer_type_node; 68 mpz_t tmp; 69 double_int di; 70 71 mpz_init (tmp); 72 mpz_set (tmp, val); 73 di = mpz_get_double_int (t, tmp, true); 74 mpz_clear (tmp); 75 76 return double_int_to_tree (t, di); 77 } 78 79 /* Set the inhomogeneous term of E to the integer X. */ 80 81 static inline void 82 ppl_set_inhomogeneous (ppl_Linear_Expression_t e, int x) 83 { 84 mpz_t v; 85 mpz_init (v); 86 mpz_set_si (v, x); 87 ppl_set_inhomogeneous_gmp (e, v); 88 mpz_clear (v); 89 } 90 91 /* Set the inhomogeneous term of E to the tree X. */ 92 93 static inline void 94 ppl_set_inhomogeneous_tree (ppl_Linear_Expression_t e, tree x) 95 { 96 mpz_t v; 97 mpz_init (v); 98 tree_int_to_gmp (x, v); 99 ppl_set_inhomogeneous_gmp (e, v); 100 mpz_clear (v); 101 } 102 103 /* Set E[I] to integer X. */ 104 105 static inline void 106 ppl_set_coef (ppl_Linear_Expression_t e, ppl_dimension_type i, int x) 107 { 108 mpz_t v; 109 mpz_init (v); 110 mpz_set_si (v, x); 111 ppl_set_coef_gmp (e, i, v); 112 mpz_clear (v); 113 } 114 115 /* Set E[I] to tree X. */ 116 117 static inline void 118 ppl_set_coef_tree (ppl_Linear_Expression_t e, ppl_dimension_type i, tree x) 119 { 120 mpz_t v; 121 mpz_init (v); 122 tree_int_to_gmp (x, v); 123 ppl_set_coef_gmp (e, i, v); 124 mpz_clear (v); 125 } 126 127 /* Sets RES to the min of V1 and V2. */ 128 129 static inline void 130 value_min (mpz_t res, mpz_t v1, mpz_t v2) 131 { 132 if (mpz_cmp (v1, v2) < 0) 133 mpz_set (res, v1); 134 else 135 mpz_set (res, v2); 136 } 137 138 /* Sets RES to the max of V1 and V2. */ 139 140 static inline void 141 value_max (mpz_t res, mpz_t v1, mpz_t v2) 142 { 143 if (mpz_cmp (v1, v2) < 0) 144 mpz_set (res, v2); 145 else 146 mpz_set (res, v1); 147 } 148 149 /* Builds a new identity map for dimension DIM. */ 150 151 static inline ppl_dimension_type * 152 ppl_new_id_map (ppl_dimension_type dim) 153 { 154 ppl_dimension_type *map, i; 155 156 map = (ppl_dimension_type *) XNEWVEC (ppl_dimension_type, dim); 157 158 for (i = 0; i < dim; i++) 159 map[i] = i; 160 161 return map; 162 } 163 164 /* Builds an interchange of dimensions A and B in MAP. */ 165 166 static inline void 167 ppl_interchange (ppl_dimension_type *map, 168 ppl_dimension_type a, 169 ppl_dimension_type b) 170 { 171 map[a] = b; 172 map[b] = a; 173 } 174 175 #endif 176 177