| File: | tools/polly/lib/External/isl/isl_map.c |
| Warning: | line 10039, column 55 Although the value stored to 'pos' is used in the enclosing expression, the value is never actually read from 'pos' |
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| 1 | /* |
| 2 | * Copyright 2008-2009 Katholieke Universiteit Leuven |
| 3 | * Copyright 2010 INRIA Saclay |
| 4 | * Copyright 2012-2014 Ecole Normale Superieure |
| 5 | * Copyright 2014 INRIA Rocquencourt |
| 6 | * Copyright 2016 INRIA Paris |
| 7 | * Copyright 2016 Sven Verdoolaege |
| 8 | * |
| 9 | * Use of this software is governed by the MIT license |
| 10 | * |
| 11 | * Written by Sven Verdoolaege, K.U.Leuven, Departement |
| 12 | * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium |
| 13 | * and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite, |
| 14 | * ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France |
| 15 | * and Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France |
| 16 | * and Inria Paris - Rocquencourt, Domaine de Voluceau - Rocquencourt, |
| 17 | * B.P. 105 - 78153 Le Chesnay, France |
| 18 | * and Centre de Recherche Inria de Paris, 2 rue Simone Iff - Voie DQ12, |
| 19 | * CS 42112, 75589 Paris Cedex 12, France |
| 20 | */ |
| 21 | |
| 22 | #include <string.h> |
| 23 | #include <isl_ctx_private.h> |
| 24 | #include <isl_map_private.h> |
| 25 | #include <isl_blk.h> |
| 26 | #include <isl/id.h> |
| 27 | #include <isl/constraint.h> |
| 28 | #include "isl_space_private.h" |
| 29 | #include "isl_equalities.h" |
| 30 | #include <isl_lp_private.h> |
| 31 | #include <isl_seq.h> |
| 32 | #include <isl/set.h> |
| 33 | #include <isl/map.h> |
| 34 | #include <isl_reordering.h> |
| 35 | #include "isl_sample.h" |
| 36 | #include <isl_sort.h> |
| 37 | #include "isl_tab.h" |
| 38 | #include <isl/vec.h> |
| 39 | #include <isl_mat_private.h> |
| 40 | #include <isl_vec_private.h> |
| 41 | #include <isl_dim_map.h> |
| 42 | #include <isl_local_space_private.h> |
| 43 | #include <isl_aff_private.h> |
| 44 | #include <isl_options_private.h> |
| 45 | #include <isl_morph.h> |
| 46 | #include <isl_val_private.h> |
| 47 | |
| 48 | #include <bset_to_bmap.c> |
| 49 | #include <bset_from_bmap.c> |
| 50 | #include <set_to_map.c> |
| 51 | #include <set_from_map.c> |
| 52 | |
| 53 | static unsigned n(__isl_keep isl_space *dim, enum isl_dim_type type) |
| 54 | { |
| 55 | switch (type) { |
| 56 | case isl_dim_param: return dim->nparam; |
| 57 | case isl_dim_in: return dim->n_in; |
| 58 | case isl_dim_out: return dim->n_out; |
| 59 | case isl_dim_all: return dim->nparam + dim->n_in + dim->n_out; |
| 60 | default: return 0; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | static unsigned pos(__isl_keep isl_space *dim, enum isl_dim_type type) |
| 65 | { |
| 66 | switch (type) { |
| 67 | case isl_dim_param: return 1; |
| 68 | case isl_dim_in: return 1 + dim->nparam; |
| 69 | case isl_dim_out: return 1 + dim->nparam + dim->n_in; |
| 70 | default: return 0; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | unsigned isl_basic_map_dim(__isl_keep isl_basic_map *bmap, |
| 75 | enum isl_dim_type type) |
| 76 | { |
| 77 | if (!bmap) |
| 78 | return 0; |
| 79 | switch (type) { |
| 80 | case isl_dim_cst: return 1; |
| 81 | case isl_dim_param: |
| 82 | case isl_dim_in: |
| 83 | case isl_dim_out: return isl_space_dim(bmap->dim, type); |
| 84 | case isl_dim_div: return bmap->n_div; |
| 85 | case isl_dim_all: return isl_basic_map_total_dim(bmap); |
| 86 | default: return 0; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /* Return the space of "map". |
| 91 | */ |
| 92 | __isl_keep isl_space *isl_map_peek_space(__isl_keep const isl_map *map) |
| 93 | { |
| 94 | return map ? map->dim : NULL((void*)0); |
| 95 | } |
| 96 | |
| 97 | unsigned isl_map_dim(__isl_keep isl_map *map, enum isl_dim_type type) |
| 98 | { |
| 99 | return map ? n(map->dim, type) : 0; |
| 100 | } |
| 101 | |
| 102 | unsigned isl_set_dim(__isl_keep isl_setisl_map *set, enum isl_dim_type type) |
| 103 | { |
| 104 | return set ? n(set->dim, type) : 0; |
| 105 | } |
| 106 | |
| 107 | unsigned isl_basic_map_offset(struct isl_basic_map *bmap, |
| 108 | enum isl_dim_type type) |
| 109 | { |
| 110 | isl_space *space; |
| 111 | |
| 112 | if (!bmap) |
| 113 | return 0; |
| 114 | |
| 115 | space = bmap->dim; |
| 116 | switch (type) { |
| 117 | case isl_dim_cst: return 0; |
| 118 | case isl_dim_param: return 1; |
| 119 | case isl_dim_in: return 1 + space->nparam; |
| 120 | case isl_dim_out: return 1 + space->nparam + space->n_in; |
| 121 | case isl_dim_div: return 1 + space->nparam + space->n_in + |
| 122 | space->n_out; |
| 123 | default: return 0; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | unsigned isl_basic_set_offset(__isl_keep isl_basic_setisl_basic_map *bset, |
| 128 | enum isl_dim_type type) |
| 129 | { |
| 130 | return isl_basic_map_offset(bset, type); |
| 131 | } |
| 132 | |
| 133 | static unsigned map_offset(__isl_keep isl_map *map, enum isl_dim_type type) |
| 134 | { |
| 135 | return pos(map->dim, type); |
| 136 | } |
| 137 | |
| 138 | unsigned isl_basic_set_dim(__isl_keep isl_basic_setisl_basic_map *bset, |
| 139 | enum isl_dim_type type) |
| 140 | { |
| 141 | return isl_basic_map_dim(bset, type); |
| 142 | } |
| 143 | |
| 144 | unsigned isl_basic_set_n_dim(__isl_keep isl_basic_setisl_basic_map *bset) |
| 145 | { |
| 146 | return isl_basic_set_dim(bset, isl_dim_set); |
| 147 | } |
| 148 | |
| 149 | unsigned isl_basic_set_n_param(__isl_keep isl_basic_setisl_basic_map *bset) |
| 150 | { |
| 151 | return isl_basic_set_dim(bset, isl_dim_param); |
| 152 | } |
| 153 | |
| 154 | unsigned isl_basic_set_total_dim(__isl_keep const isl_basic_setisl_basic_map *bset) |
| 155 | { |
| 156 | if (!bset) |
| 157 | return 0; |
| 158 | return isl_space_dim(bset->dim, isl_dim_all) + bset->n_div; |
| 159 | } |
| 160 | |
| 161 | unsigned isl_set_n_dim(__isl_keep isl_setisl_map *set) |
| 162 | { |
| 163 | return isl_set_dim(set, isl_dim_set); |
| 164 | } |
| 165 | |
| 166 | unsigned isl_set_n_param(__isl_keep isl_setisl_map *set) |
| 167 | { |
| 168 | return isl_set_dim(set, isl_dim_param); |
| 169 | } |
| 170 | |
| 171 | unsigned isl_basic_map_n_in(__isl_keep const isl_basic_map *bmap) |
| 172 | { |
| 173 | return bmap ? bmap->dim->n_in : 0; |
| 174 | } |
| 175 | |
| 176 | unsigned isl_basic_map_n_out(__isl_keep const isl_basic_map *bmap) |
| 177 | { |
| 178 | return bmap ? bmap->dim->n_out : 0; |
| 179 | } |
| 180 | |
| 181 | unsigned isl_basic_map_n_param(__isl_keep const isl_basic_map *bmap) |
| 182 | { |
| 183 | return bmap ? bmap->dim->nparam : 0; |
| 184 | } |
| 185 | |
| 186 | unsigned isl_basic_map_n_div(__isl_keep const isl_basic_map *bmap) |
| 187 | { |
| 188 | return bmap ? bmap->n_div : 0; |
| 189 | } |
| 190 | |
| 191 | unsigned isl_basic_map_total_dim(__isl_keep const isl_basic_map *bmap) |
| 192 | { |
| 193 | return bmap ? isl_space_dim(bmap->dim, isl_dim_all) + bmap->n_div : 0; |
| 194 | } |
| 195 | |
| 196 | unsigned isl_map_n_in(__isl_keep const isl_map *map) |
| 197 | { |
| 198 | return map ? map->dim->n_in : 0; |
| 199 | } |
| 200 | |
| 201 | unsigned isl_map_n_out(__isl_keep const isl_map *map) |
| 202 | { |
| 203 | return map ? map->dim->n_out : 0; |
| 204 | } |
| 205 | |
| 206 | unsigned isl_map_n_param(__isl_keep const isl_map *map) |
| 207 | { |
| 208 | return map ? map->dim->nparam : 0; |
| 209 | } |
| 210 | |
| 211 | /* Return the number of equality constraints in the description of "bmap". |
| 212 | * Return -1 on error. |
| 213 | */ |
| 214 | int isl_basic_map_n_equality(__isl_keep isl_basic_map *bmap) |
| 215 | { |
| 216 | if (!bmap) |
| 217 | return -1; |
| 218 | return bmap->n_eq; |
| 219 | } |
| 220 | |
| 221 | /* Return the number of equality constraints in the description of "bset". |
| 222 | * Return -1 on error. |
| 223 | */ |
| 224 | int isl_basic_set_n_equality(__isl_keep isl_basic_setisl_basic_map *bset) |
| 225 | { |
| 226 | return isl_basic_map_n_equality(bset_to_bmap(bset)); |
| 227 | } |
| 228 | |
| 229 | /* Return the number of inequality constraints in the description of "bmap". |
| 230 | * Return -1 on error. |
| 231 | */ |
| 232 | int isl_basic_map_n_inequality(__isl_keep isl_basic_map *bmap) |
| 233 | { |
| 234 | if (!bmap) |
| 235 | return -1; |
| 236 | return bmap->n_ineq; |
| 237 | } |
| 238 | |
| 239 | /* Return the number of inequality constraints in the description of "bset". |
| 240 | * Return -1 on error. |
| 241 | */ |
| 242 | int isl_basic_set_n_inequality(__isl_keep isl_basic_setisl_basic_map *bset) |
| 243 | { |
| 244 | return isl_basic_map_n_inequality(bset_to_bmap(bset)); |
| 245 | } |
| 246 | |
| 247 | /* Do "bmap1" and "bmap2" have the same parameters? |
| 248 | */ |
| 249 | static isl_bool isl_basic_map_has_equal_params(__isl_keep isl_basic_map *bmap1, |
| 250 | __isl_keep isl_basic_map *bmap2) |
| 251 | { |
| 252 | isl_space *space1, *space2; |
| 253 | |
| 254 | space1 = isl_basic_map_peek_space(bmap1); |
| 255 | space2 = isl_basic_map_peek_space(bmap2); |
| 256 | return isl_space_has_equal_params(space1, space2); |
| 257 | } |
| 258 | |
| 259 | /* Do "map1" and "map2" have the same parameters? |
| 260 | */ |
| 261 | isl_bool isl_map_has_equal_params(__isl_keep isl_map *map1, |
| 262 | __isl_keep isl_map *map2) |
| 263 | { |
| 264 | isl_space *space1, *space2; |
| 265 | |
| 266 | space1 = isl_map_peek_space(map1); |
| 267 | space2 = isl_map_peek_space(map2); |
| 268 | return isl_space_has_equal_params(space1, space2); |
| 269 | } |
| 270 | |
| 271 | /* Do "map" and "set" have the same parameters? |
| 272 | */ |
| 273 | static isl_bool isl_map_set_has_equal_params(__isl_keep isl_map *map, |
| 274 | __isl_keep isl_setisl_map *set) |
| 275 | { |
| 276 | return isl_map_has_equal_params(map, set_to_map(set)); |
| 277 | } |
| 278 | |
| 279 | isl_bool isl_map_compatible_domain(__isl_keep isl_map *map, |
| 280 | __isl_keep isl_setisl_map *set) |
| 281 | { |
| 282 | isl_bool m; |
| 283 | if (!map || !set) |
| 284 | return isl_bool_error; |
| 285 | m = isl_map_has_equal_params(map, set_to_map(set)); |
| 286 | if (m < 0 || !m) |
| 287 | return m; |
| 288 | return isl_space_tuple_is_equal(map->dim, isl_dim_in, |
| 289 | set->dim, isl_dim_set); |
| 290 | } |
| 291 | |
| 292 | isl_bool isl_basic_map_compatible_domain(__isl_keep isl_basic_map *bmap, |
| 293 | __isl_keep isl_basic_setisl_basic_map *bset) |
| 294 | { |
| 295 | isl_bool m; |
| 296 | if (!bmap || !bset) |
| 297 | return isl_bool_error; |
| 298 | m = isl_basic_map_has_equal_params(bmap, bset_to_bmap(bset)); |
| 299 | if (m < 0 || !m) |
| 300 | return m; |
| 301 | return isl_space_tuple_is_equal(bmap->dim, isl_dim_in, |
| 302 | bset->dim, isl_dim_set); |
| 303 | } |
| 304 | |
| 305 | isl_bool isl_map_compatible_range(__isl_keep isl_map *map, |
| 306 | __isl_keep isl_setisl_map *set) |
| 307 | { |
| 308 | isl_bool m; |
| 309 | if (!map || !set) |
| 310 | return isl_bool_error; |
| 311 | m = isl_map_has_equal_params(map, set_to_map(set)); |
| 312 | if (m < 0 || !m) |
| 313 | return m; |
| 314 | return isl_space_tuple_is_equal(map->dim, isl_dim_out, |
| 315 | set->dim, isl_dim_set); |
| 316 | } |
| 317 | |
| 318 | isl_bool isl_basic_map_compatible_range(__isl_keep isl_basic_map *bmap, |
| 319 | __isl_keep isl_basic_setisl_basic_map *bset) |
| 320 | { |
| 321 | isl_bool m; |
| 322 | if (!bmap || !bset) |
| 323 | return isl_bool_error; |
| 324 | m = isl_basic_map_has_equal_params(bmap, bset_to_bmap(bset)); |
| 325 | if (m < 0 || !m) |
| 326 | return m; |
| 327 | return isl_space_tuple_is_equal(bmap->dim, isl_dim_out, |
| 328 | bset->dim, isl_dim_set); |
| 329 | } |
| 330 | |
| 331 | isl_ctx *isl_basic_map_get_ctx(__isl_keep isl_basic_map *bmap) |
| 332 | { |
| 333 | return bmap ? bmap->ctx : NULL((void*)0); |
| 334 | } |
| 335 | |
| 336 | isl_ctx *isl_basic_set_get_ctx(__isl_keep isl_basic_setisl_basic_map *bset) |
| 337 | { |
| 338 | return bset ? bset->ctx : NULL((void*)0); |
| 339 | } |
| 340 | |
| 341 | isl_ctx *isl_map_get_ctx(__isl_keep isl_map *map) |
| 342 | { |
| 343 | return map ? map->ctx : NULL((void*)0); |
| 344 | } |
| 345 | |
| 346 | isl_ctx *isl_set_get_ctx(__isl_keep isl_setisl_map *set) |
| 347 | { |
| 348 | return set ? set->ctx : NULL((void*)0); |
| 349 | } |
| 350 | |
| 351 | /* Return the space of "bmap". |
| 352 | */ |
| 353 | __isl_keep isl_space *isl_basic_map_peek_space( |
| 354 | __isl_keep const isl_basic_map *bmap) |
| 355 | { |
| 356 | return bmap ? bmap->dim : NULL((void*)0); |
| 357 | } |
| 358 | |
| 359 | /* Return the space of "bset". |
| 360 | */ |
| 361 | __isl_keep isl_space *isl_basic_set_peek_space(__isl_keep isl_basic_setisl_basic_map *bset) |
| 362 | { |
| 363 | return isl_basic_map_peek_space(bset_to_bmap(bset)); |
| 364 | } |
| 365 | |
| 366 | __isl_give isl_space *isl_basic_map_get_space(__isl_keep isl_basic_map *bmap) |
| 367 | { |
| 368 | return isl_space_copy(isl_basic_map_peek_space(bmap)); |
| 369 | } |
| 370 | |
| 371 | __isl_give isl_space *isl_basic_set_get_space(__isl_keep isl_basic_setisl_basic_map *bset) |
| 372 | { |
| 373 | return isl_basic_map_get_space(bset_to_bmap(bset)); |
| 374 | } |
| 375 | |
| 376 | /* Extract the divs in "bmap" as a matrix. |
| 377 | */ |
| 378 | __isl_give isl_mat *isl_basic_map_get_divs(__isl_keep isl_basic_map *bmap) |
| 379 | { |
| 380 | int i; |
| 381 | isl_ctx *ctx; |
| 382 | isl_mat *div; |
| 383 | unsigned total; |
| 384 | unsigned cols; |
| 385 | |
| 386 | if (!bmap) |
| 387 | return NULL((void*)0); |
| 388 | |
| 389 | ctx = isl_basic_map_get_ctx(bmap); |
| 390 | total = isl_space_dim(bmap->dim, isl_dim_all); |
| 391 | cols = 1 + 1 + total + bmap->n_div; |
| 392 | div = isl_mat_alloc(ctx, bmap->n_div, cols); |
| 393 | if (!div) |
| 394 | return NULL((void*)0); |
| 395 | |
| 396 | for (i = 0; i < bmap->n_div; ++i) |
| 397 | isl_seq_cpy(div->row[i], bmap->div[i], cols); |
| 398 | |
| 399 | return div; |
| 400 | } |
| 401 | |
| 402 | /* Extract the divs in "bset" as a matrix. |
| 403 | */ |
| 404 | __isl_give isl_mat *isl_basic_set_get_divs(__isl_keep isl_basic_setisl_basic_map *bset) |
| 405 | { |
| 406 | return isl_basic_map_get_divs(bset); |
| 407 | } |
| 408 | |
| 409 | __isl_give isl_local_space *isl_basic_map_get_local_space( |
| 410 | __isl_keep isl_basic_map *bmap) |
| 411 | { |
| 412 | isl_mat *div; |
| 413 | |
| 414 | if (!bmap) |
| 415 | return NULL((void*)0); |
| 416 | |
| 417 | div = isl_basic_map_get_divs(bmap); |
| 418 | return isl_local_space_alloc_div(isl_space_copy(bmap->dim), div); |
| 419 | } |
| 420 | |
| 421 | __isl_give isl_local_space *isl_basic_set_get_local_space( |
| 422 | __isl_keep isl_basic_setisl_basic_map *bset) |
| 423 | { |
| 424 | return isl_basic_map_get_local_space(bset); |
| 425 | } |
| 426 | |
| 427 | /* For each known div d = floor(f/m), add the constraints |
| 428 | * |
| 429 | * f - m d >= 0 |
| 430 | * -(f-(m-1)) + m d >= 0 |
| 431 | * |
| 432 | * Do not finalize the result. |
| 433 | */ |
| 434 | static __isl_give isl_basic_map *add_known_div_constraints( |
| 435 | __isl_take isl_basic_map *bmap) |
| 436 | { |
| 437 | int i; |
| 438 | unsigned n_div; |
| 439 | |
| 440 | if (!bmap) |
| 441 | return NULL((void*)0); |
| 442 | n_div = isl_basic_map_dim(bmap, isl_dim_div); |
| 443 | if (n_div == 0) |
| 444 | return bmap; |
| 445 | bmap = isl_basic_map_cow(bmap); |
| 446 | bmap = isl_basic_map_extend_constraints(bmap, 0, 2 * n_div); |
| 447 | if (!bmap) |
| 448 | return NULL((void*)0); |
| 449 | for (i = 0; i < n_div; ++i) { |
| 450 | if (isl_int_is_zero(bmap->div[i][0])(isl_sioimath_sgn(*(bmap->div[i][0])) == 0)) |
| 451 | continue; |
| 452 | if (isl_basic_map_add_div_constraints(bmap, i) < 0) |
| 453 | return isl_basic_map_free(bmap); |
| 454 | } |
| 455 | |
| 456 | return bmap; |
| 457 | } |
| 458 | |
| 459 | __isl_give isl_basic_map *isl_basic_map_from_local_space( |
| 460 | __isl_take isl_local_space *ls) |
| 461 | { |
| 462 | int i; |
| 463 | int n_div; |
| 464 | isl_basic_map *bmap; |
| 465 | |
| 466 | if (!ls) |
| 467 | return NULL((void*)0); |
| 468 | |
| 469 | n_div = isl_local_space_dim(ls, isl_dim_div); |
| 470 | bmap = isl_basic_map_alloc_space(isl_local_space_get_space(ls), |
| 471 | n_div, 0, 2 * n_div); |
| 472 | |
| 473 | for (i = 0; i < n_div; ++i) |
| 474 | if (isl_basic_map_alloc_div(bmap) < 0) |
| 475 | goto error; |
| 476 | |
| 477 | for (i = 0; i < n_div; ++i) |
| 478 | isl_seq_cpy(bmap->div[i], ls->div->row[i], ls->div->n_col); |
| 479 | bmap = add_known_div_constraints(bmap); |
| 480 | |
| 481 | isl_local_space_free(ls); |
| 482 | return bmap; |
| 483 | error: |
| 484 | isl_local_space_free(ls); |
| 485 | isl_basic_map_free(bmap); |
| 486 | return NULL((void*)0); |
| 487 | } |
| 488 | |
| 489 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_from_local_space( |
| 490 | __isl_take isl_local_space *ls) |
| 491 | { |
| 492 | return isl_basic_map_from_local_space(ls); |
| 493 | } |
| 494 | |
| 495 | __isl_give isl_space *isl_map_get_space(__isl_keep isl_map *map) |
| 496 | { |
| 497 | return isl_space_copy(isl_map_peek_space(map)); |
| 498 | } |
| 499 | |
| 500 | __isl_give isl_space *isl_set_get_space(__isl_keep isl_setisl_map *set) |
| 501 | { |
| 502 | if (!set) |
| 503 | return NULL((void*)0); |
| 504 | return isl_space_copy(set->dim); |
| 505 | } |
| 506 | |
| 507 | __isl_give isl_basic_map *isl_basic_map_set_tuple_name( |
| 508 | __isl_take isl_basic_map *bmap, enum isl_dim_type type, const char *s) |
| 509 | { |
| 510 | bmap = isl_basic_map_cow(bmap); |
| 511 | if (!bmap) |
| 512 | return NULL((void*)0); |
| 513 | bmap->dim = isl_space_set_tuple_name(bmap->dim, type, s); |
| 514 | if (!bmap->dim) |
| 515 | goto error; |
| 516 | bmap = isl_basic_map_finalize(bmap); |
| 517 | return bmap; |
| 518 | error: |
| 519 | isl_basic_map_free(bmap); |
| 520 | return NULL((void*)0); |
| 521 | } |
| 522 | |
| 523 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_set_tuple_name( |
| 524 | __isl_take isl_basic_setisl_basic_map *bset, const char *s) |
| 525 | { |
| 526 | return isl_basic_map_set_tuple_name(bset, isl_dim_set, s); |
| 527 | } |
| 528 | |
| 529 | const char *isl_basic_map_get_tuple_name(__isl_keep isl_basic_map *bmap, |
| 530 | enum isl_dim_type type) |
| 531 | { |
| 532 | return bmap ? isl_space_get_tuple_name(bmap->dim, type) : NULL((void*)0); |
| 533 | } |
| 534 | |
| 535 | __isl_give isl_map *isl_map_set_tuple_name(__isl_take isl_map *map, |
| 536 | enum isl_dim_type type, const char *s) |
| 537 | { |
| 538 | int i; |
| 539 | |
| 540 | map = isl_map_cow(map); |
| 541 | if (!map) |
| 542 | return NULL((void*)0); |
| 543 | |
| 544 | map->dim = isl_space_set_tuple_name(map->dim, type, s); |
| 545 | if (!map->dim) |
| 546 | goto error; |
| 547 | |
| 548 | for (i = 0; i < map->n; ++i) { |
| 549 | map->p[i] = isl_basic_map_set_tuple_name(map->p[i], type, s); |
| 550 | if (!map->p[i]) |
| 551 | goto error; |
| 552 | } |
| 553 | |
| 554 | return map; |
| 555 | error: |
| 556 | isl_map_free(map); |
| 557 | return NULL((void*)0); |
| 558 | } |
| 559 | |
| 560 | /* Replace the identifier of the tuple of type "type" by "id". |
| 561 | */ |
| 562 | __isl_give isl_basic_map *isl_basic_map_set_tuple_id( |
| 563 | __isl_take isl_basic_map *bmap, |
| 564 | enum isl_dim_type type, __isl_take isl_id *id) |
| 565 | { |
| 566 | bmap = isl_basic_map_cow(bmap); |
| 567 | if (!bmap) |
| 568 | goto error; |
| 569 | bmap->dim = isl_space_set_tuple_id(bmap->dim, type, id); |
| 570 | if (!bmap->dim) |
| 571 | return isl_basic_map_free(bmap); |
| 572 | bmap = isl_basic_map_finalize(bmap); |
| 573 | return bmap; |
| 574 | error: |
| 575 | isl_id_free(id); |
| 576 | return NULL((void*)0); |
| 577 | } |
| 578 | |
| 579 | /* Replace the identifier of the tuple by "id". |
| 580 | */ |
| 581 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_set_tuple_id( |
| 582 | __isl_take isl_basic_setisl_basic_map *bset, __isl_take isl_id *id) |
| 583 | { |
| 584 | return isl_basic_map_set_tuple_id(bset, isl_dim_set, id); |
| 585 | } |
| 586 | |
| 587 | /* Does the input or output tuple have a name? |
| 588 | */ |
| 589 | isl_bool isl_map_has_tuple_name(__isl_keep isl_map *map, enum isl_dim_type type) |
| 590 | { |
| 591 | return map ? isl_space_has_tuple_name(map->dim, type) : isl_bool_error; |
| 592 | } |
| 593 | |
| 594 | const char *isl_map_get_tuple_name(__isl_keep isl_map *map, |
| 595 | enum isl_dim_type type) |
| 596 | { |
| 597 | return map ? isl_space_get_tuple_name(map->dim, type) : NULL((void*)0); |
| 598 | } |
| 599 | |
| 600 | __isl_give isl_setisl_map *isl_set_set_tuple_name(__isl_take isl_setisl_map *set, |
| 601 | const char *s) |
| 602 | { |
| 603 | return set_from_map(isl_map_set_tuple_name(set_to_map(set), |
| 604 | isl_dim_set, s)); |
| 605 | } |
| 606 | |
| 607 | __isl_give isl_map *isl_map_set_tuple_id(__isl_take isl_map *map, |
| 608 | enum isl_dim_type type, __isl_take isl_id *id) |
| 609 | { |
| 610 | map = isl_map_cow(map); |
| 611 | if (!map) |
| 612 | goto error; |
| 613 | |
| 614 | map->dim = isl_space_set_tuple_id(map->dim, type, id); |
| 615 | |
| 616 | return isl_map_reset_space(map, isl_space_copy(map->dim)); |
| 617 | error: |
| 618 | isl_id_free(id); |
| 619 | return NULL((void*)0); |
| 620 | } |
| 621 | |
| 622 | __isl_give isl_setisl_map *isl_set_set_tuple_id(__isl_take isl_setisl_map *set, |
| 623 | __isl_take isl_id *id) |
| 624 | { |
| 625 | return isl_map_set_tuple_id(set, isl_dim_set, id); |
| 626 | } |
| 627 | |
| 628 | __isl_give isl_map *isl_map_reset_tuple_id(__isl_take isl_map *map, |
| 629 | enum isl_dim_type type) |
| 630 | { |
| 631 | map = isl_map_cow(map); |
| 632 | if (!map) |
| 633 | return NULL((void*)0); |
| 634 | |
| 635 | map->dim = isl_space_reset_tuple_id(map->dim, type); |
| 636 | |
| 637 | return isl_map_reset_space(map, isl_space_copy(map->dim)); |
| 638 | } |
| 639 | |
| 640 | __isl_give isl_setisl_map *isl_set_reset_tuple_id(__isl_take isl_setisl_map *set) |
| 641 | { |
| 642 | return isl_map_reset_tuple_id(set, isl_dim_set); |
| 643 | } |
| 644 | |
| 645 | isl_bool isl_map_has_tuple_id(__isl_keep isl_map *map, enum isl_dim_type type) |
| 646 | { |
| 647 | return map ? isl_space_has_tuple_id(map->dim, type) : isl_bool_error; |
| 648 | } |
| 649 | |
| 650 | __isl_give isl_id *isl_map_get_tuple_id(__isl_keep isl_map *map, |
| 651 | enum isl_dim_type type) |
| 652 | { |
| 653 | return map ? isl_space_get_tuple_id(map->dim, type) : NULL((void*)0); |
| 654 | } |
| 655 | |
| 656 | isl_bool isl_set_has_tuple_id(__isl_keep isl_setisl_map *set) |
| 657 | { |
| 658 | return isl_map_has_tuple_id(set, isl_dim_set); |
| 659 | } |
| 660 | |
| 661 | __isl_give isl_id *isl_set_get_tuple_id(__isl_keep isl_setisl_map *set) |
| 662 | { |
| 663 | return isl_map_get_tuple_id(set, isl_dim_set); |
| 664 | } |
| 665 | |
| 666 | /* Does the set tuple have a name? |
| 667 | */ |
| 668 | isl_bool isl_set_has_tuple_name(__isl_keep isl_setisl_map *set) |
| 669 | { |
| 670 | if (!set) |
| 671 | return isl_bool_error; |
| 672 | return isl_space_has_tuple_name(set->dim, isl_dim_set); |
| 673 | } |
| 674 | |
| 675 | |
| 676 | const char *isl_basic_set_get_tuple_name(__isl_keep isl_basic_setisl_basic_map *bset) |
| 677 | { |
| 678 | return bset ? isl_space_get_tuple_name(bset->dim, isl_dim_set) : NULL((void*)0); |
| 679 | } |
| 680 | |
| 681 | const char *isl_set_get_tuple_name(__isl_keep isl_setisl_map *set) |
| 682 | { |
| 683 | return set ? isl_space_get_tuple_name(set->dim, isl_dim_set) : NULL((void*)0); |
| 684 | } |
| 685 | |
| 686 | const char *isl_basic_map_get_dim_name(__isl_keep isl_basic_map *bmap, |
| 687 | enum isl_dim_type type, unsigned pos) |
| 688 | { |
| 689 | return bmap ? isl_space_get_dim_name(bmap->dim, type, pos) : NULL((void*)0); |
| 690 | } |
| 691 | |
| 692 | const char *isl_basic_set_get_dim_name(__isl_keep isl_basic_setisl_basic_map *bset, |
| 693 | enum isl_dim_type type, unsigned pos) |
| 694 | { |
| 695 | return bset ? isl_space_get_dim_name(bset->dim, type, pos) : NULL((void*)0); |
| 696 | } |
| 697 | |
| 698 | /* Does the given dimension have a name? |
| 699 | */ |
| 700 | isl_bool isl_map_has_dim_name(__isl_keep isl_map *map, |
| 701 | enum isl_dim_type type, unsigned pos) |
| 702 | { |
| 703 | if (!map) |
| 704 | return isl_bool_error; |
| 705 | return isl_space_has_dim_name(map->dim, type, pos); |
| 706 | } |
| 707 | |
| 708 | const char *isl_map_get_dim_name(__isl_keep isl_map *map, |
| 709 | enum isl_dim_type type, unsigned pos) |
| 710 | { |
| 711 | return map ? isl_space_get_dim_name(map->dim, type, pos) : NULL((void*)0); |
| 712 | } |
| 713 | |
| 714 | const char *isl_set_get_dim_name(__isl_keep isl_setisl_map *set, |
| 715 | enum isl_dim_type type, unsigned pos) |
| 716 | { |
| 717 | return set ? isl_space_get_dim_name(set->dim, type, pos) : NULL((void*)0); |
| 718 | } |
| 719 | |
| 720 | /* Does the given dimension have a name? |
| 721 | */ |
| 722 | isl_bool isl_set_has_dim_name(__isl_keep isl_setisl_map *set, |
| 723 | enum isl_dim_type type, unsigned pos) |
| 724 | { |
| 725 | if (!set) |
| 726 | return isl_bool_error; |
| 727 | return isl_space_has_dim_name(set->dim, type, pos); |
| 728 | } |
| 729 | |
| 730 | __isl_give isl_basic_map *isl_basic_map_set_dim_name( |
| 731 | __isl_take isl_basic_map *bmap, |
| 732 | enum isl_dim_type type, unsigned pos, const char *s) |
| 733 | { |
| 734 | bmap = isl_basic_map_cow(bmap); |
| 735 | if (!bmap) |
| 736 | return NULL((void*)0); |
| 737 | bmap->dim = isl_space_set_dim_name(bmap->dim, type, pos, s); |
| 738 | if (!bmap->dim) |
| 739 | goto error; |
| 740 | return isl_basic_map_finalize(bmap); |
| 741 | error: |
| 742 | isl_basic_map_free(bmap); |
| 743 | return NULL((void*)0); |
| 744 | } |
| 745 | |
| 746 | __isl_give isl_map *isl_map_set_dim_name(__isl_take isl_map *map, |
| 747 | enum isl_dim_type type, unsigned pos, const char *s) |
| 748 | { |
| 749 | int i; |
| 750 | |
| 751 | map = isl_map_cow(map); |
| 752 | if (!map) |
| 753 | return NULL((void*)0); |
| 754 | |
| 755 | map->dim = isl_space_set_dim_name(map->dim, type, pos, s); |
| 756 | if (!map->dim) |
| 757 | goto error; |
| 758 | |
| 759 | for (i = 0; i < map->n; ++i) { |
| 760 | map->p[i] = isl_basic_map_set_dim_name(map->p[i], type, pos, s); |
| 761 | if (!map->p[i]) |
| 762 | goto error; |
| 763 | } |
| 764 | |
| 765 | return map; |
| 766 | error: |
| 767 | isl_map_free(map); |
| 768 | return NULL((void*)0); |
| 769 | } |
| 770 | |
| 771 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_set_dim_name( |
| 772 | __isl_take isl_basic_setisl_basic_map *bset, |
| 773 | enum isl_dim_type type, unsigned pos, const char *s) |
| 774 | { |
| 775 | return bset_from_bmap(isl_basic_map_set_dim_name(bset_to_bmap(bset), |
| 776 | type, pos, s)); |
| 777 | } |
| 778 | |
| 779 | __isl_give isl_setisl_map *isl_set_set_dim_name(__isl_take isl_setisl_map *set, |
| 780 | enum isl_dim_type type, unsigned pos, const char *s) |
| 781 | { |
| 782 | return set_from_map(isl_map_set_dim_name(set_to_map(set), |
| 783 | type, pos, s)); |
| 784 | } |
| 785 | |
| 786 | isl_bool isl_basic_map_has_dim_id(__isl_keep isl_basic_map *bmap, |
| 787 | enum isl_dim_type type, unsigned pos) |
| 788 | { |
| 789 | if (!bmap) |
| 790 | return isl_bool_error; |
| 791 | return isl_space_has_dim_id(bmap->dim, type, pos); |
| 792 | } |
| 793 | |
| 794 | __isl_give isl_id *isl_basic_set_get_dim_id(__isl_keep isl_basic_setisl_basic_map *bset, |
| 795 | enum isl_dim_type type, unsigned pos) |
| 796 | { |
| 797 | return bset ? isl_space_get_dim_id(bset->dim, type, pos) : NULL((void*)0); |
| 798 | } |
| 799 | |
| 800 | isl_bool isl_map_has_dim_id(__isl_keep isl_map *map, |
| 801 | enum isl_dim_type type, unsigned pos) |
| 802 | { |
| 803 | return map ? isl_space_has_dim_id(map->dim, type, pos) : isl_bool_error; |
| 804 | } |
| 805 | |
| 806 | __isl_give isl_id *isl_map_get_dim_id(__isl_keep isl_map *map, |
| 807 | enum isl_dim_type type, unsigned pos) |
| 808 | { |
| 809 | return map ? isl_space_get_dim_id(map->dim, type, pos) : NULL((void*)0); |
| 810 | } |
| 811 | |
| 812 | isl_bool isl_set_has_dim_id(__isl_keep isl_setisl_map *set, |
| 813 | enum isl_dim_type type, unsigned pos) |
| 814 | { |
| 815 | return isl_map_has_dim_id(set, type, pos); |
| 816 | } |
| 817 | |
| 818 | __isl_give isl_id *isl_set_get_dim_id(__isl_keep isl_setisl_map *set, |
| 819 | enum isl_dim_type type, unsigned pos) |
| 820 | { |
| 821 | return isl_map_get_dim_id(set, type, pos); |
| 822 | } |
| 823 | |
| 824 | __isl_give isl_map *isl_map_set_dim_id(__isl_take isl_map *map, |
| 825 | enum isl_dim_type type, unsigned pos, __isl_take isl_id *id) |
| 826 | { |
| 827 | map = isl_map_cow(map); |
| 828 | if (!map) |
| 829 | goto error; |
| 830 | |
| 831 | map->dim = isl_space_set_dim_id(map->dim, type, pos, id); |
| 832 | |
| 833 | return isl_map_reset_space(map, isl_space_copy(map->dim)); |
| 834 | error: |
| 835 | isl_id_free(id); |
| 836 | return NULL((void*)0); |
| 837 | } |
| 838 | |
| 839 | __isl_give isl_setisl_map *isl_set_set_dim_id(__isl_take isl_setisl_map *set, |
| 840 | enum isl_dim_type type, unsigned pos, __isl_take isl_id *id) |
| 841 | { |
| 842 | return isl_map_set_dim_id(set, type, pos, id); |
| 843 | } |
| 844 | |
| 845 | int isl_map_find_dim_by_id(__isl_keep isl_map *map, enum isl_dim_type type, |
| 846 | __isl_keep isl_id *id) |
| 847 | { |
| 848 | if (!map) |
| 849 | return -1; |
| 850 | return isl_space_find_dim_by_id(map->dim, type, id); |
| 851 | } |
| 852 | |
| 853 | int isl_set_find_dim_by_id(__isl_keep isl_setisl_map *set, enum isl_dim_type type, |
| 854 | __isl_keep isl_id *id) |
| 855 | { |
| 856 | return isl_map_find_dim_by_id(set, type, id); |
| 857 | } |
| 858 | |
| 859 | /* Return the position of the dimension of the given type and name |
| 860 | * in "bmap". |
| 861 | * Return -1 if no such dimension can be found. |
| 862 | */ |
| 863 | int isl_basic_map_find_dim_by_name(__isl_keep isl_basic_map *bmap, |
| 864 | enum isl_dim_type type, const char *name) |
| 865 | { |
| 866 | if (!bmap) |
| 867 | return -1; |
| 868 | return isl_space_find_dim_by_name(bmap->dim, type, name); |
| 869 | } |
| 870 | |
| 871 | int isl_map_find_dim_by_name(__isl_keep isl_map *map, enum isl_dim_type type, |
| 872 | const char *name) |
| 873 | { |
| 874 | if (!map) |
| 875 | return -1; |
| 876 | return isl_space_find_dim_by_name(map->dim, type, name); |
| 877 | } |
| 878 | |
| 879 | int isl_set_find_dim_by_name(__isl_keep isl_setisl_map *set, enum isl_dim_type type, |
| 880 | const char *name) |
| 881 | { |
| 882 | return isl_map_find_dim_by_name(set, type, name); |
| 883 | } |
| 884 | |
| 885 | /* Check whether equality i of bset is a pure stride constraint |
| 886 | * on a single dimension, i.e., of the form |
| 887 | * |
| 888 | * v = k e |
| 889 | * |
| 890 | * with k a constant and e an existentially quantified variable. |
| 891 | */ |
| 892 | isl_bool isl_basic_set_eq_is_stride(__isl_keep isl_basic_setisl_basic_map *bset, int i) |
| 893 | { |
| 894 | unsigned nparam; |
| 895 | unsigned d; |
| 896 | unsigned n_div; |
| 897 | int pos1; |
| 898 | int pos2; |
| 899 | |
| 900 | if (!bset) |
| 901 | return isl_bool_error; |
| 902 | |
| 903 | if (!isl_int_is_zero(bset->eq[i][0])(isl_sioimath_sgn(*(bset->eq[i][0])) == 0)) |
| 904 | return isl_bool_false; |
| 905 | |
| 906 | nparam = isl_basic_set_dim(bset, isl_dim_param); |
| 907 | d = isl_basic_set_dim(bset, isl_dim_set); |
| 908 | n_div = isl_basic_set_dim(bset, isl_dim_div); |
| 909 | |
| 910 | if (isl_seq_first_non_zero(bset->eq[i] + 1, nparam) != -1) |
| 911 | return isl_bool_false; |
| 912 | pos1 = isl_seq_first_non_zero(bset->eq[i] + 1 + nparam, d); |
| 913 | if (pos1 == -1) |
| 914 | return isl_bool_false; |
| 915 | if (isl_seq_first_non_zero(bset->eq[i] + 1 + nparam + pos1 + 1, |
| 916 | d - pos1 - 1) != -1) |
| 917 | return isl_bool_false; |
| 918 | |
| 919 | pos2 = isl_seq_first_non_zero(bset->eq[i] + 1 + nparam + d, n_div); |
| 920 | if (pos2 == -1) |
| 921 | return isl_bool_false; |
| 922 | if (isl_seq_first_non_zero(bset->eq[i] + 1 + nparam + d + pos2 + 1, |
| 923 | n_div - pos2 - 1) != -1) |
| 924 | return isl_bool_false; |
| 925 | if (!isl_int_is_one(bset->eq[i][1 + nparam + pos1])(isl_sioimath_cmp_si(*(bset->eq[i][1 + nparam + pos1]), 1) == 0) && |
| 926 | !isl_int_is_negone(bset->eq[i][1 + nparam + pos1])(isl_sioimath_cmp_si(*(bset->eq[i][1 + nparam + pos1]), -1 ) == 0)) |
| 927 | return isl_bool_false; |
| 928 | |
| 929 | return isl_bool_true; |
| 930 | } |
| 931 | |
| 932 | /* Reset the user pointer on all identifiers of parameters and tuples |
| 933 | * of the space of "map". |
| 934 | */ |
| 935 | __isl_give isl_map *isl_map_reset_user(__isl_take isl_map *map) |
| 936 | { |
| 937 | isl_space *space; |
| 938 | |
| 939 | space = isl_map_get_space(map); |
| 940 | space = isl_space_reset_user(space); |
| 941 | map = isl_map_reset_space(map, space); |
| 942 | |
| 943 | return map; |
| 944 | } |
| 945 | |
| 946 | /* Reset the user pointer on all identifiers of parameters and tuples |
| 947 | * of the space of "set". |
| 948 | */ |
| 949 | __isl_give isl_setisl_map *isl_set_reset_user(__isl_take isl_setisl_map *set) |
| 950 | { |
| 951 | return isl_map_reset_user(set); |
| 952 | } |
| 953 | |
| 954 | isl_bool isl_basic_map_is_rational(__isl_keep isl_basic_map *bmap) |
| 955 | { |
| 956 | if (!bmap) |
| 957 | return isl_bool_error; |
| 958 | return ISL_F_ISSET(bmap, ISL_BASIC_MAP_RATIONAL)(!!(((bmap)->flags) & ((1 << 4)))); |
| 959 | } |
| 960 | |
| 961 | /* Has "map" been marked as a rational map? |
| 962 | * In particular, have all basic maps in "map" been marked this way? |
| 963 | * An empty map is not considered to be rational. |
| 964 | * Maps where only some of the basic maps are marked rational |
| 965 | * are not allowed. |
| 966 | */ |
| 967 | isl_bool isl_map_is_rational(__isl_keep isl_map *map) |
| 968 | { |
| 969 | int i; |
| 970 | isl_bool rational; |
| 971 | |
| 972 | if (!map) |
| 973 | return isl_bool_error; |
| 974 | if (map->n == 0) |
| 975 | return isl_bool_false; |
| 976 | rational = isl_basic_map_is_rational(map->p[0]); |
| 977 | if (rational < 0) |
| 978 | return rational; |
| 979 | for (i = 1; i < map->n; ++i) { |
| 980 | isl_bool rational_i; |
| 981 | |
| 982 | rational_i = isl_basic_map_is_rational(map->p[i]); |
| 983 | if (rational_i < 0) |
| 984 | return rational_i; |
| 985 | if (rational != rational_i) |
| 986 | isl_die(isl_map_get_ctx(map), isl_error_unsupported,do { isl_handle_error(isl_map_get_ctx(map), isl_error_unsupported , "mixed rational and integer basic maps " "not supported", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 988); return isl_bool_error; } while (0) |
| 987 | "mixed rational and integer basic maps "do { isl_handle_error(isl_map_get_ctx(map), isl_error_unsupported , "mixed rational and integer basic maps " "not supported", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 988); return isl_bool_error; } while (0) |
| 988 | "not supported", return isl_bool_error)do { isl_handle_error(isl_map_get_ctx(map), isl_error_unsupported , "mixed rational and integer basic maps " "not supported", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 988); return isl_bool_error; } while (0); |
| 989 | } |
| 990 | |
| 991 | return rational; |
| 992 | } |
| 993 | |
| 994 | /* Has "set" been marked as a rational set? |
| 995 | * In particular, have all basic set in "set" been marked this way? |
| 996 | * An empty set is not considered to be rational. |
| 997 | * Sets where only some of the basic sets are marked rational |
| 998 | * are not allowed. |
| 999 | */ |
| 1000 | isl_bool isl_set_is_rational(__isl_keep isl_setisl_map *set) |
| 1001 | { |
| 1002 | return isl_map_is_rational(set); |
| 1003 | } |
| 1004 | |
| 1005 | int isl_basic_set_is_rational(__isl_keep isl_basic_setisl_basic_map *bset) |
| 1006 | { |
| 1007 | return isl_basic_map_is_rational(bset); |
| 1008 | } |
| 1009 | |
| 1010 | /* Does "bmap" contain any rational points? |
| 1011 | * |
| 1012 | * If "bmap" has an equality for each dimension, equating the dimension |
| 1013 | * to an integer constant, then it has no rational points, even if it |
| 1014 | * is marked as rational. |
| 1015 | */ |
| 1016 | isl_bool isl_basic_map_has_rational(__isl_keep isl_basic_map *bmap) |
| 1017 | { |
| 1018 | isl_bool has_rational = isl_bool_true; |
| 1019 | unsigned total; |
| 1020 | |
| 1021 | if (!bmap) |
| 1022 | return isl_bool_error; |
| 1023 | if (isl_basic_map_plain_is_empty(bmap)) |
| 1024 | return isl_bool_false; |
| 1025 | if (!isl_basic_map_is_rational(bmap)) |
| 1026 | return isl_bool_false; |
| 1027 | bmap = isl_basic_map_copy(bmap); |
| 1028 | bmap = isl_basic_map_implicit_equalities(bmap); |
| 1029 | if (!bmap) |
| 1030 | return isl_bool_error; |
| 1031 | total = isl_basic_map_total_dim(bmap); |
| 1032 | if (bmap->n_eq == total) { |
| 1033 | int i, j; |
| 1034 | for (i = 0; i < bmap->n_eq; ++i) { |
| 1035 | j = isl_seq_first_non_zero(bmap->eq[i] + 1, total); |
| 1036 | if (j < 0) |
| 1037 | break; |
| 1038 | if (!isl_int_is_one(bmap->eq[i][1 + j])(isl_sioimath_cmp_si(*(bmap->eq[i][1 + j]), 1) == 0) && |
| 1039 | !isl_int_is_negone(bmap->eq[i][1 + j])(isl_sioimath_cmp_si(*(bmap->eq[i][1 + j]), -1) == 0)) |
| 1040 | break; |
| 1041 | j = isl_seq_first_non_zero(bmap->eq[i] + 1 + j + 1, |
| 1042 | total - j - 1); |
| 1043 | if (j >= 0) |
| 1044 | break; |
| 1045 | } |
| 1046 | if (i == bmap->n_eq) |
| 1047 | has_rational = isl_bool_false; |
| 1048 | } |
| 1049 | isl_basic_map_free(bmap); |
| 1050 | |
| 1051 | return has_rational; |
| 1052 | } |
| 1053 | |
| 1054 | /* Does "map" contain any rational points? |
| 1055 | */ |
| 1056 | isl_bool isl_map_has_rational(__isl_keep isl_map *map) |
| 1057 | { |
| 1058 | int i; |
| 1059 | isl_bool has_rational; |
| 1060 | |
| 1061 | if (!map) |
| 1062 | return isl_bool_error; |
| 1063 | for (i = 0; i < map->n; ++i) { |
| 1064 | has_rational = isl_basic_map_has_rational(map->p[i]); |
| 1065 | if (has_rational < 0 || has_rational) |
| 1066 | return has_rational; |
| 1067 | } |
| 1068 | return isl_bool_false; |
| 1069 | } |
| 1070 | |
| 1071 | /* Does "set" contain any rational points? |
| 1072 | */ |
| 1073 | isl_bool isl_set_has_rational(__isl_keep isl_setisl_map *set) |
| 1074 | { |
| 1075 | return isl_map_has_rational(set); |
| 1076 | } |
| 1077 | |
| 1078 | /* Is this basic set a parameter domain? |
| 1079 | */ |
| 1080 | isl_bool isl_basic_set_is_params(__isl_keep isl_basic_setisl_basic_map *bset) |
| 1081 | { |
| 1082 | if (!bset) |
| 1083 | return isl_bool_error; |
| 1084 | return isl_space_is_params(bset->dim); |
| 1085 | } |
| 1086 | |
| 1087 | /* Is this set a parameter domain? |
| 1088 | */ |
| 1089 | isl_bool isl_set_is_params(__isl_keep isl_setisl_map *set) |
| 1090 | { |
| 1091 | if (!set) |
| 1092 | return isl_bool_error; |
| 1093 | return isl_space_is_params(set->dim); |
| 1094 | } |
| 1095 | |
| 1096 | /* Is this map actually a parameter domain? |
| 1097 | * Users should never call this function. Outside of isl, |
| 1098 | * a map can never be a parameter domain. |
| 1099 | */ |
| 1100 | isl_bool isl_map_is_params(__isl_keep isl_map *map) |
| 1101 | { |
| 1102 | if (!map) |
| 1103 | return isl_bool_error; |
| 1104 | return isl_space_is_params(map->dim); |
| 1105 | } |
| 1106 | |
| 1107 | static struct isl_basic_map *basic_map_init(struct isl_ctx *ctx, |
| 1108 | struct isl_basic_map *bmap, unsigned extra, |
| 1109 | unsigned n_eq, unsigned n_ineq) |
| 1110 | { |
| 1111 | int i; |
| 1112 | size_t row_size = 1 + isl_space_dim(bmap->dim, isl_dim_all) + extra; |
| 1113 | |
| 1114 | bmap->ctx = ctx; |
| 1115 | isl_ctx_ref(ctx); |
| 1116 | |
| 1117 | bmap->block = isl_blk_alloc(ctx, (n_ineq + n_eq) * row_size); |
| 1118 | if (isl_blk_is_error(bmap->block)) |
| 1119 | goto error; |
| 1120 | |
| 1121 | bmap->ineq = isl_alloc_array(ctx, isl_int *, n_ineq + n_eq)((isl_int * *)isl_malloc_or_die(ctx, (n_ineq + n_eq)*sizeof(isl_int *))); |
| 1122 | if ((n_ineq + n_eq) && !bmap->ineq) |
| 1123 | goto error; |
| 1124 | |
| 1125 | if (extra == 0) { |
| 1126 | bmap->block2 = isl_blk_empty(); |
| 1127 | bmap->div = NULL((void*)0); |
| 1128 | } else { |
| 1129 | bmap->block2 = isl_blk_alloc(ctx, extra * (1 + row_size)); |
| 1130 | if (isl_blk_is_error(bmap->block2)) |
| 1131 | goto error; |
| 1132 | |
| 1133 | bmap->div = isl_alloc_array(ctx, isl_int *, extra)((isl_int * *)isl_malloc_or_die(ctx, (extra)*sizeof(isl_int * ))); |
| 1134 | if (!bmap->div) |
| 1135 | goto error; |
| 1136 | } |
| 1137 | |
| 1138 | for (i = 0; i < n_ineq + n_eq; ++i) |
| 1139 | bmap->ineq[i] = bmap->block.data + i * row_size; |
| 1140 | |
| 1141 | for (i = 0; i < extra; ++i) |
| 1142 | bmap->div[i] = bmap->block2.data + i * (1 + row_size); |
| 1143 | |
| 1144 | bmap->ref = 1; |
| 1145 | bmap->flags = 0; |
| 1146 | bmap->c_size = n_eq + n_ineq; |
| 1147 | bmap->eq = bmap->ineq + n_ineq; |
| 1148 | bmap->extra = extra; |
| 1149 | bmap->n_eq = 0; |
| 1150 | bmap->n_ineq = 0; |
| 1151 | bmap->n_div = 0; |
| 1152 | bmap->sample = NULL((void*)0); |
| 1153 | |
| 1154 | return bmap; |
| 1155 | error: |
| 1156 | isl_basic_map_free(bmap); |
| 1157 | return NULL((void*)0); |
| 1158 | } |
| 1159 | |
| 1160 | struct isl_basic_setisl_basic_map *isl_basic_set_alloc(struct isl_ctx *ctx, |
| 1161 | unsigned nparam, unsigned dim, unsigned extra, |
| 1162 | unsigned n_eq, unsigned n_ineq) |
| 1163 | { |
| 1164 | struct isl_basic_map *bmap; |
| 1165 | isl_space *space; |
| 1166 | |
| 1167 | space = isl_space_set_alloc(ctx, nparam, dim); |
| 1168 | if (!space) |
| 1169 | return NULL((void*)0); |
| 1170 | |
| 1171 | bmap = isl_basic_map_alloc_space(space, extra, n_eq, n_ineq); |
| 1172 | return bset_from_bmap(bmap); |
| 1173 | } |
| 1174 | |
| 1175 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_alloc_space(__isl_take isl_space *dim, |
| 1176 | unsigned extra, unsigned n_eq, unsigned n_ineq) |
| 1177 | { |
| 1178 | struct isl_basic_map *bmap; |
| 1179 | if (!dim) |
| 1180 | return NULL((void*)0); |
| 1181 | isl_assert(dim->ctx, dim->n_in == 0, goto error)do { if (dim->n_in == 0) break; do { isl_handle_error(dim-> ctx, isl_error_unknown, "Assertion \"" "dim->n_in == 0" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1181); goto error; } while (0); } while (0); |
| 1182 | bmap = isl_basic_map_alloc_space(dim, extra, n_eq, n_ineq); |
| 1183 | return bset_from_bmap(bmap); |
| 1184 | error: |
| 1185 | isl_space_free(dim); |
| 1186 | return NULL((void*)0); |
| 1187 | } |
| 1188 | |
| 1189 | struct isl_basic_map *isl_basic_map_alloc_space(__isl_take isl_space *dim, |
| 1190 | unsigned extra, unsigned n_eq, unsigned n_ineq) |
| 1191 | { |
| 1192 | struct isl_basic_map *bmap; |
| 1193 | |
| 1194 | if (!dim) |
| 1195 | return NULL((void*)0); |
| 1196 | bmap = isl_calloc_type(dim->ctx, struct isl_basic_map)((struct isl_basic_map *)isl_calloc_or_die(dim->ctx, 1, sizeof (struct isl_basic_map))); |
| 1197 | if (!bmap) |
| 1198 | goto error; |
| 1199 | bmap->dim = dim; |
| 1200 | |
| 1201 | return basic_map_init(dim->ctx, bmap, extra, n_eq, n_ineq); |
| 1202 | error: |
| 1203 | isl_space_free(dim); |
| 1204 | return NULL((void*)0); |
| 1205 | } |
| 1206 | |
| 1207 | struct isl_basic_map *isl_basic_map_alloc(struct isl_ctx *ctx, |
| 1208 | unsigned nparam, unsigned in, unsigned out, unsigned extra, |
| 1209 | unsigned n_eq, unsigned n_ineq) |
| 1210 | { |
| 1211 | struct isl_basic_map *bmap; |
| 1212 | isl_space *dim; |
| 1213 | |
| 1214 | dim = isl_space_alloc(ctx, nparam, in, out); |
| 1215 | if (!dim) |
| 1216 | return NULL((void*)0); |
| 1217 | |
| 1218 | bmap = isl_basic_map_alloc_space(dim, extra, n_eq, n_ineq); |
| 1219 | return bmap; |
| 1220 | } |
| 1221 | |
| 1222 | static void dup_constraints( |
| 1223 | struct isl_basic_map *dst, struct isl_basic_map *src) |
| 1224 | { |
| 1225 | int i; |
| 1226 | unsigned total = isl_basic_map_total_dim(src); |
| 1227 | |
| 1228 | for (i = 0; i < src->n_eq; ++i) { |
| 1229 | int j = isl_basic_map_alloc_equality(dst); |
| 1230 | isl_seq_cpy(dst->eq[j], src->eq[i], 1+total); |
| 1231 | } |
| 1232 | |
| 1233 | for (i = 0; i < src->n_ineq; ++i) { |
| 1234 | int j = isl_basic_map_alloc_inequality(dst); |
| 1235 | isl_seq_cpy(dst->ineq[j], src->ineq[i], 1+total); |
| 1236 | } |
| 1237 | |
| 1238 | for (i = 0; i < src->n_div; ++i) { |
| 1239 | int j = isl_basic_map_alloc_div(dst); |
| 1240 | isl_seq_cpy(dst->div[j], src->div[i], 1+1+total); |
| 1241 | } |
| 1242 | ISL_F_SET(dst, ISL_BASIC_SET_FINAL)(((dst)->flags) |= ((1 << 0))); |
| 1243 | } |
| 1244 | |
| 1245 | __isl_give isl_basic_map *isl_basic_map_dup(__isl_keep isl_basic_map *bmap) |
| 1246 | { |
| 1247 | struct isl_basic_map *dup; |
| 1248 | |
| 1249 | if (!bmap) |
| 1250 | return NULL((void*)0); |
| 1251 | dup = isl_basic_map_alloc_space(isl_space_copy(bmap->dim), |
| 1252 | bmap->n_div, bmap->n_eq, bmap->n_ineq); |
| 1253 | if (!dup) |
| 1254 | return NULL((void*)0); |
| 1255 | dup_constraints(dup, bmap); |
| 1256 | dup->flags = bmap->flags; |
| 1257 | dup->sample = isl_vec_copy(bmap->sample); |
| 1258 | return dup; |
| 1259 | } |
| 1260 | |
| 1261 | struct isl_basic_setisl_basic_map *isl_basic_set_dup(struct isl_basic_setisl_basic_map *bset) |
| 1262 | { |
| 1263 | struct isl_basic_map *dup; |
| 1264 | |
| 1265 | dup = isl_basic_map_dup(bset_to_bmap(bset)); |
| 1266 | return bset_from_bmap(dup); |
| 1267 | } |
| 1268 | |
| 1269 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_copy(__isl_keep isl_basic_setisl_basic_map *bset) |
| 1270 | { |
| 1271 | if (!bset) |
| 1272 | return NULL((void*)0); |
| 1273 | |
| 1274 | if (ISL_F_ISSET(bset, ISL_BASIC_SET_FINAL)(!!(((bset)->flags) & ((1 << 0))))) { |
| 1275 | bset->ref++; |
| 1276 | return bset; |
| 1277 | } |
| 1278 | return isl_basic_set_dup(bset); |
| 1279 | } |
| 1280 | |
| 1281 | __isl_give isl_setisl_map *isl_set_copy(__isl_keep isl_setisl_map *set) |
| 1282 | { |
| 1283 | if (!set) |
| 1284 | return NULL((void*)0); |
| 1285 | |
| 1286 | set->ref++; |
| 1287 | return set; |
| 1288 | } |
| 1289 | |
| 1290 | __isl_give isl_basic_map *isl_basic_map_copy(__isl_keep isl_basic_map *bmap) |
| 1291 | { |
| 1292 | if (!bmap) |
| 1293 | return NULL((void*)0); |
| 1294 | |
| 1295 | if (ISL_F_ISSET(bmap, ISL_BASIC_SET_FINAL)(!!(((bmap)->flags) & ((1 << 0))))) { |
| 1296 | bmap->ref++; |
| 1297 | return bmap; |
| 1298 | } |
| 1299 | bmap = isl_basic_map_dup(bmap); |
| 1300 | if (bmap) |
| 1301 | ISL_F_SET(bmap, ISL_BASIC_SET_FINAL)(((bmap)->flags) |= ((1 << 0))); |
| 1302 | return bmap; |
| 1303 | } |
| 1304 | |
| 1305 | __isl_give isl_map *isl_map_copy(__isl_keep isl_map *map) |
| 1306 | { |
| 1307 | if (!map) |
| 1308 | return NULL((void*)0); |
| 1309 | |
| 1310 | map->ref++; |
| 1311 | return map; |
| 1312 | } |
| 1313 | |
| 1314 | __isl_null isl_basic_map *isl_basic_map_free(__isl_take isl_basic_map *bmap) |
| 1315 | { |
| 1316 | if (!bmap) |
| 1317 | return NULL((void*)0); |
| 1318 | |
| 1319 | if (--bmap->ref > 0) |
| 1320 | return NULL((void*)0); |
| 1321 | |
| 1322 | isl_ctx_deref(bmap->ctx); |
| 1323 | free(bmap->div); |
| 1324 | isl_blk_free(bmap->ctx, bmap->block2); |
| 1325 | free(bmap->ineq); |
| 1326 | isl_blk_free(bmap->ctx, bmap->block); |
| 1327 | isl_vec_free(bmap->sample); |
| 1328 | isl_space_free(bmap->dim); |
| 1329 | free(bmap); |
| 1330 | |
| 1331 | return NULL((void*)0); |
| 1332 | } |
| 1333 | |
| 1334 | __isl_null isl_basic_setisl_basic_map *isl_basic_set_free(__isl_take isl_basic_setisl_basic_map *bset) |
| 1335 | { |
| 1336 | return isl_basic_map_free(bset_to_bmap(bset)); |
| 1337 | } |
| 1338 | |
| 1339 | static int room_for_con(struct isl_basic_map *bmap, unsigned n) |
| 1340 | { |
| 1341 | return bmap->n_eq + bmap->n_ineq + n <= bmap->c_size; |
| 1342 | } |
| 1343 | |
| 1344 | /* Check that "map" has only named parameters, reporting an error |
| 1345 | * if it does not. |
| 1346 | */ |
| 1347 | isl_stat isl_map_check_named_params(__isl_keep isl_map *map) |
| 1348 | { |
| 1349 | return isl_space_check_named_params(isl_map_peek_space(map)); |
| 1350 | } |
| 1351 | |
| 1352 | /* Check that "bmap" has only named parameters, reporting an error |
| 1353 | * if it does not. |
| 1354 | */ |
| 1355 | static isl_stat isl_basic_map_check_named_params(__isl_keep isl_basic_map *bmap) |
| 1356 | { |
| 1357 | return isl_space_check_named_params(isl_basic_map_peek_space(bmap)); |
| 1358 | } |
| 1359 | |
| 1360 | /* Check that "bmap1" and "bmap2" have the same parameters, |
| 1361 | * reporting an error if they do not. |
| 1362 | */ |
| 1363 | static isl_stat isl_basic_map_check_equal_params( |
| 1364 | __isl_keep isl_basic_map *bmap1, __isl_keep isl_basic_map *bmap2) |
| 1365 | { |
| 1366 | isl_bool match; |
| 1367 | |
| 1368 | match = isl_basic_map_has_equal_params(bmap1, bmap2); |
| 1369 | if (match < 0) |
| 1370 | return isl_stat_error; |
| 1371 | if (!match) |
| 1372 | isl_die(isl_basic_map_get_ctx(bmap1), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap1), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1373); return isl_stat_error; } while (0) |
| 1373 | "parameters don't match", return isl_stat_error)do { isl_handle_error(isl_basic_map_get_ctx(bmap1), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1373); return isl_stat_error; } while (0); |
| 1374 | return isl_stat_ok; |
| 1375 | } |
| 1376 | |
| 1377 | __isl_give isl_map *isl_map_align_params_map_map_and( |
| 1378 | __isl_take isl_map *map1, __isl_take isl_map *map2, |
| 1379 | __isl_give isl_map *(*fn)(__isl_take isl_map *map1, |
| 1380 | __isl_take isl_map *map2)) |
| 1381 | { |
| 1382 | if (!map1 || !map2) |
| 1383 | goto error; |
| 1384 | if (isl_map_has_equal_params(map1, map2)) |
| 1385 | return fn(map1, map2); |
| 1386 | if (isl_map_check_named_params(map1) < 0) |
| 1387 | goto error; |
| 1388 | if (isl_map_check_named_params(map2) < 0) |
| 1389 | goto error; |
| 1390 | map1 = isl_map_align_params(map1, isl_map_get_space(map2)); |
| 1391 | map2 = isl_map_align_params(map2, isl_map_get_space(map1)); |
| 1392 | return fn(map1, map2); |
| 1393 | error: |
| 1394 | isl_map_free(map1); |
| 1395 | isl_map_free(map2); |
| 1396 | return NULL((void*)0); |
| 1397 | } |
| 1398 | |
| 1399 | isl_bool isl_map_align_params_map_map_and_test(__isl_keep isl_map *map1, |
| 1400 | __isl_keep isl_map *map2, |
| 1401 | isl_bool (*fn)(__isl_keep isl_map *map1, __isl_keep isl_map *map2)) |
| 1402 | { |
| 1403 | isl_bool r; |
| 1404 | |
| 1405 | if (!map1 || !map2) |
| 1406 | return isl_bool_error; |
| 1407 | if (isl_map_has_equal_params(map1, map2)) |
| 1408 | return fn(map1, map2); |
| 1409 | if (isl_map_check_named_params(map1) < 0) |
| 1410 | return isl_bool_error; |
| 1411 | if (isl_map_check_named_params(map2) < 0) |
| 1412 | return isl_bool_error; |
| 1413 | map1 = isl_map_copy(map1); |
| 1414 | map2 = isl_map_copy(map2); |
| 1415 | map1 = isl_map_align_params(map1, isl_map_get_space(map2)); |
| 1416 | map2 = isl_map_align_params(map2, isl_map_get_space(map1)); |
| 1417 | r = fn(map1, map2); |
| 1418 | isl_map_free(map1); |
| 1419 | isl_map_free(map2); |
| 1420 | return r; |
| 1421 | } |
| 1422 | |
| 1423 | int isl_basic_map_alloc_equality(struct isl_basic_map *bmap) |
| 1424 | { |
| 1425 | struct isl_ctx *ctx; |
| 1426 | if (!bmap) |
| 1427 | return -1; |
| 1428 | ctx = bmap->ctx; |
| 1429 | isl_assert(ctx, room_for_con(bmap, 1), return -1)do { if (room_for_con(bmap, 1)) break; do { isl_handle_error( ctx, isl_error_unknown, "Assertion \"" "room_for_con(bmap, 1)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1429); return -1; } while (0); } while (0); |
| 1430 | isl_assert(ctx, (bmap->eq - bmap->ineq) + bmap->n_eq <= bmap->c_size,do { if ((bmap->eq - bmap->ineq) + bmap->n_eq <= bmap ->c_size) break; do { isl_handle_error(ctx, isl_error_unknown , "Assertion \"" "(bmap->eq - bmap->ineq) + bmap->n_eq <= bmap->c_size" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1431); return -1; } while (0); } while (0) |
| 1431 | return -1)do { if ((bmap->eq - bmap->ineq) + bmap->n_eq <= bmap ->c_size) break; do { isl_handle_error(ctx, isl_error_unknown , "Assertion \"" "(bmap->eq - bmap->ineq) + bmap->n_eq <= bmap->c_size" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1431); return -1; } while (0); } while (0); |
| 1432 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 1433 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NO_REDUNDANT)(((bmap)->flags) &= ~((1 << 3))); |
| 1434 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NO_IMPLICIT)(((bmap)->flags) &= ~((1 << 2))); |
| 1435 | ISL_F_CLR(bmap, ISL_BASIC_MAP_ALL_EQUALITIES)(((bmap)->flags) &= ~((1 << 7))); |
| 1436 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED_DIVS)(((bmap)->flags) &= ~((1 << 6))); |
| 1437 | if ((bmap->eq - bmap->ineq) + bmap->n_eq == bmap->c_size) { |
| 1438 | isl_int *t; |
| 1439 | int j = isl_basic_map_alloc_inequality(bmap); |
| 1440 | if (j < 0) |
| 1441 | return -1; |
| 1442 | t = bmap->ineq[j]; |
| 1443 | bmap->ineq[j] = bmap->ineq[bmap->n_ineq - 1]; |
| 1444 | bmap->ineq[bmap->n_ineq - 1] = bmap->eq[-1]; |
| 1445 | bmap->eq[-1] = t; |
| 1446 | bmap->n_eq++; |
| 1447 | bmap->n_ineq--; |
| 1448 | bmap->eq--; |
| 1449 | return 0; |
| 1450 | } |
| 1451 | isl_seq_clr(bmap->eq[bmap->n_eq] + 1 + isl_basic_map_total_dim(bmap), |
| 1452 | bmap->extra - bmap->n_div); |
| 1453 | return bmap->n_eq++; |
| 1454 | } |
| 1455 | |
| 1456 | int isl_basic_set_alloc_equality(struct isl_basic_setisl_basic_map *bset) |
| 1457 | { |
| 1458 | return isl_basic_map_alloc_equality(bset_to_bmap(bset)); |
| 1459 | } |
| 1460 | |
| 1461 | int isl_basic_map_free_equality(struct isl_basic_map *bmap, unsigned n) |
| 1462 | { |
| 1463 | if (!bmap) |
| 1464 | return -1; |
| 1465 | isl_assert(bmap->ctx, n <= bmap->n_eq, return -1)do { if (n <= bmap->n_eq) break; do { isl_handle_error( bmap->ctx, isl_error_unknown, "Assertion \"" "n <= bmap->n_eq" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1465); return -1; } while (0); } while (0); |
| 1466 | bmap->n_eq -= n; |
| 1467 | return 0; |
| 1468 | } |
| 1469 | |
| 1470 | int isl_basic_set_free_equality(struct isl_basic_setisl_basic_map *bset, unsigned n) |
| 1471 | { |
| 1472 | return isl_basic_map_free_equality(bset_to_bmap(bset), n); |
| 1473 | } |
| 1474 | |
| 1475 | int isl_basic_map_drop_equality(struct isl_basic_map *bmap, unsigned pos) |
| 1476 | { |
| 1477 | isl_int *t; |
| 1478 | if (!bmap) |
| 1479 | return -1; |
| 1480 | isl_assert(bmap->ctx, pos < bmap->n_eq, return -1)do { if (pos < bmap->n_eq) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "pos < bmap->n_eq" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1480); return -1; } while (0); } while (0); |
| 1481 | |
| 1482 | if (pos != bmap->n_eq - 1) { |
| 1483 | t = bmap->eq[pos]; |
| 1484 | bmap->eq[pos] = bmap->eq[bmap->n_eq - 1]; |
| 1485 | bmap->eq[bmap->n_eq - 1] = t; |
| 1486 | } |
| 1487 | bmap->n_eq--; |
| 1488 | return 0; |
| 1489 | } |
| 1490 | |
| 1491 | /* Turn inequality "pos" of "bmap" into an equality. |
| 1492 | * |
| 1493 | * In particular, we move the inequality in front of the equalities |
| 1494 | * and move the last inequality in the position of the moved inequality. |
| 1495 | * Note that isl_tab_make_equalities_explicit depends on this particular |
| 1496 | * change in the ordering of the constraints. |
| 1497 | */ |
| 1498 | void isl_basic_map_inequality_to_equality( |
| 1499 | struct isl_basic_map *bmap, unsigned pos) |
| 1500 | { |
| 1501 | isl_int *t; |
| 1502 | |
| 1503 | t = bmap->ineq[pos]; |
| 1504 | bmap->ineq[pos] = bmap->ineq[bmap->n_ineq - 1]; |
| 1505 | bmap->ineq[bmap->n_ineq - 1] = bmap->eq[-1]; |
| 1506 | bmap->eq[-1] = t; |
| 1507 | bmap->n_eq++; |
| 1508 | bmap->n_ineq--; |
| 1509 | bmap->eq--; |
| 1510 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NO_REDUNDANT)(((bmap)->flags) &= ~((1 << 3))); |
| 1511 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 1512 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED_DIVS)(((bmap)->flags) &= ~((1 << 6))); |
| 1513 | ISL_F_CLR(bmap, ISL_BASIC_MAP_ALL_EQUALITIES)(((bmap)->flags) &= ~((1 << 7))); |
| 1514 | } |
| 1515 | |
| 1516 | static int room_for_ineq(struct isl_basic_map *bmap, unsigned n) |
| 1517 | { |
| 1518 | return bmap->n_ineq + n <= bmap->eq - bmap->ineq; |
| 1519 | } |
| 1520 | |
| 1521 | int isl_basic_map_alloc_inequality(__isl_keep isl_basic_map *bmap) |
| 1522 | { |
| 1523 | struct isl_ctx *ctx; |
| 1524 | if (!bmap) |
| 1525 | return -1; |
| 1526 | ctx = bmap->ctx; |
| 1527 | isl_assert(ctx, room_for_ineq(bmap, 1), return -1)do { if (room_for_ineq(bmap, 1)) break; do { isl_handle_error (ctx, isl_error_unknown, "Assertion \"" "room_for_ineq(bmap, 1)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1527); return -1; } while (0); } while (0); |
| 1528 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NO_IMPLICIT)(((bmap)->flags) &= ~((1 << 2))); |
| 1529 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NO_REDUNDANT)(((bmap)->flags) &= ~((1 << 3))); |
| 1530 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 1531 | ISL_F_CLR(bmap, ISL_BASIC_MAP_ALL_EQUALITIES)(((bmap)->flags) &= ~((1 << 7))); |
| 1532 | isl_seq_clr(bmap->ineq[bmap->n_ineq] + |
| 1533 | 1 + isl_basic_map_total_dim(bmap), |
| 1534 | bmap->extra - bmap->n_div); |
| 1535 | return bmap->n_ineq++; |
| 1536 | } |
| 1537 | |
| 1538 | int isl_basic_set_alloc_inequality(__isl_keep isl_basic_setisl_basic_map *bset) |
| 1539 | { |
| 1540 | return isl_basic_map_alloc_inequality(bset_to_bmap(bset)); |
| 1541 | } |
| 1542 | |
| 1543 | int isl_basic_map_free_inequality(struct isl_basic_map *bmap, unsigned n) |
| 1544 | { |
| 1545 | if (!bmap) |
| 1546 | return -1; |
| 1547 | isl_assert(bmap->ctx, n <= bmap->n_ineq, return -1)do { if (n <= bmap->n_ineq) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "n <= bmap->n_ineq" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1547); return -1; } while (0); } while (0); |
| 1548 | bmap->n_ineq -= n; |
| 1549 | return 0; |
| 1550 | } |
| 1551 | |
| 1552 | int isl_basic_set_free_inequality(struct isl_basic_setisl_basic_map *bset, unsigned n) |
| 1553 | { |
| 1554 | return isl_basic_map_free_inequality(bset_to_bmap(bset), n); |
| 1555 | } |
| 1556 | |
| 1557 | int isl_basic_map_drop_inequality(struct isl_basic_map *bmap, unsigned pos) |
| 1558 | { |
| 1559 | isl_int *t; |
| 1560 | if (!bmap) |
| 1561 | return -1; |
| 1562 | isl_assert(bmap->ctx, pos < bmap->n_ineq, return -1)do { if (pos < bmap->n_ineq) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "pos < bmap->n_ineq" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1562); return -1; } while (0); } while (0); |
| 1563 | |
| 1564 | if (pos != bmap->n_ineq - 1) { |
| 1565 | t = bmap->ineq[pos]; |
| 1566 | bmap->ineq[pos] = bmap->ineq[bmap->n_ineq - 1]; |
| 1567 | bmap->ineq[bmap->n_ineq - 1] = t; |
| 1568 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 1569 | } |
| 1570 | bmap->n_ineq--; |
| 1571 | return 0; |
| 1572 | } |
| 1573 | |
| 1574 | int isl_basic_set_drop_inequality(struct isl_basic_setisl_basic_map *bset, unsigned pos) |
| 1575 | { |
| 1576 | return isl_basic_map_drop_inequality(bset_to_bmap(bset), pos); |
| 1577 | } |
| 1578 | |
| 1579 | __isl_give isl_basic_map *isl_basic_map_add_eq(__isl_take isl_basic_map *bmap, |
| 1580 | isl_int *eq) |
| 1581 | { |
| 1582 | int k; |
| 1583 | |
| 1584 | bmap = isl_basic_map_extend_constraints(bmap, 1, 0); |
| 1585 | if (!bmap) |
| 1586 | return NULL((void*)0); |
| 1587 | k = isl_basic_map_alloc_equality(bmap); |
| 1588 | if (k < 0) |
| 1589 | goto error; |
| 1590 | isl_seq_cpy(bmap->eq[k], eq, 1 + isl_basic_map_total_dim(bmap)); |
| 1591 | return bmap; |
| 1592 | error: |
| 1593 | isl_basic_map_free(bmap); |
| 1594 | return NULL((void*)0); |
| 1595 | } |
| 1596 | |
| 1597 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_add_eq(__isl_take isl_basic_setisl_basic_map *bset, |
| 1598 | isl_int *eq) |
| 1599 | { |
| 1600 | return bset_from_bmap(isl_basic_map_add_eq(bset_to_bmap(bset), eq)); |
| 1601 | } |
| 1602 | |
| 1603 | __isl_give isl_basic_map *isl_basic_map_add_ineq(__isl_take isl_basic_map *bmap, |
| 1604 | isl_int *ineq) |
| 1605 | { |
| 1606 | int k; |
| 1607 | |
| 1608 | bmap = isl_basic_map_extend_constraints(bmap, 0, 1); |
| 1609 | if (!bmap) |
| 1610 | return NULL((void*)0); |
| 1611 | k = isl_basic_map_alloc_inequality(bmap); |
| 1612 | if (k < 0) |
| 1613 | goto error; |
| 1614 | isl_seq_cpy(bmap->ineq[k], ineq, 1 + isl_basic_map_total_dim(bmap)); |
| 1615 | return bmap; |
| 1616 | error: |
| 1617 | isl_basic_map_free(bmap); |
| 1618 | return NULL((void*)0); |
| 1619 | } |
| 1620 | |
| 1621 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_add_ineq(__isl_take isl_basic_setisl_basic_map *bset, |
| 1622 | isl_int *ineq) |
| 1623 | { |
| 1624 | return bset_from_bmap(isl_basic_map_add_ineq(bset_to_bmap(bset), ineq)); |
| 1625 | } |
| 1626 | |
| 1627 | int isl_basic_map_alloc_div(struct isl_basic_map *bmap) |
| 1628 | { |
| 1629 | if (!bmap) |
| 1630 | return -1; |
| 1631 | isl_assert(bmap->ctx, bmap->n_div < bmap->extra, return -1)do { if (bmap->n_div < bmap->extra) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "bmap->n_div < bmap->extra" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1631); return -1; } while (0); } while (0); |
| 1632 | isl_seq_clr(bmap->div[bmap->n_div] + |
| 1633 | 1 + 1 + isl_basic_map_total_dim(bmap), |
| 1634 | bmap->extra - bmap->n_div); |
| 1635 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED_DIVS)(((bmap)->flags) &= ~((1 << 6))); |
| 1636 | return bmap->n_div++; |
| 1637 | } |
| 1638 | |
| 1639 | int isl_basic_set_alloc_div(struct isl_basic_setisl_basic_map *bset) |
| 1640 | { |
| 1641 | return isl_basic_map_alloc_div(bset_to_bmap(bset)); |
| 1642 | } |
| 1643 | |
| 1644 | /* Check that there are "n" dimensions of type "type" starting at "first" |
| 1645 | * in "bmap". |
| 1646 | */ |
| 1647 | static isl_stat isl_basic_map_check_range(__isl_keep isl_basic_map *bmap, |
| 1648 | enum isl_dim_type type, unsigned first, unsigned n) |
| 1649 | { |
| 1650 | unsigned dim; |
| 1651 | |
| 1652 | if (!bmap) |
| 1653 | return isl_stat_error; |
| 1654 | dim = isl_basic_map_dim(bmap, type); |
| 1655 | if (first + n > dim || first + n < first) |
| 1656 | isl_die(isl_basic_map_get_ctx(bmap), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "position or range out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1658); return isl_stat_error; } while (0) |
| 1657 | "position or range out of bounds",do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "position or range out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1658); return isl_stat_error; } while (0) |
| 1658 | return isl_stat_error)do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "position or range out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1658); return isl_stat_error; } while (0); |
| 1659 | return isl_stat_ok; |
| 1660 | } |
| 1661 | |
| 1662 | /* Insert an extra integer division, prescribed by "div", to "bmap" |
| 1663 | * at (integer division) position "pos". |
| 1664 | * |
| 1665 | * The integer division is first added at the end and then moved |
| 1666 | * into the right position. |
| 1667 | */ |
| 1668 | __isl_give isl_basic_map *isl_basic_map_insert_div( |
| 1669 | __isl_take isl_basic_map *bmap, int pos, __isl_keep isl_vec *div) |
| 1670 | { |
| 1671 | int i, k; |
| 1672 | |
| 1673 | bmap = isl_basic_map_cow(bmap); |
| 1674 | if (!bmap || !div) |
| 1675 | return isl_basic_map_free(bmap); |
| 1676 | |
| 1677 | if (div->size != 1 + 1 + isl_basic_map_dim(bmap, isl_dim_all)) |
| 1678 | isl_die(isl_basic_map_get_ctx(bmap), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "unexpected size", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1679); return isl_basic_map_free(bmap); } while (0) |
| 1679 | "unexpected size", return isl_basic_map_free(bmap))do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "unexpected size", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1679); return isl_basic_map_free(bmap); } while (0); |
| 1680 | if (isl_basic_map_check_range(bmap, isl_dim_div, pos, 0) < 0) |
| 1681 | return isl_basic_map_free(bmap); |
| 1682 | |
| 1683 | bmap = isl_basic_map_extend_space(bmap, |
| 1684 | isl_basic_map_get_space(bmap), 1, 0, 2); |
| 1685 | k = isl_basic_map_alloc_div(bmap); |
| 1686 | if (k < 0) |
| 1687 | return isl_basic_map_free(bmap); |
| 1688 | isl_seq_cpy(bmap->div[k], div->el, div->size); |
| 1689 | isl_int_set_si(bmap->div[k][div->size], 0)isl_sioimath_set_si((bmap->div[k][div->size]), 0); |
| 1690 | |
| 1691 | for (i = k; i > pos; --i) |
| 1692 | isl_basic_map_swap_div(bmap, i, i - 1); |
| 1693 | |
| 1694 | return bmap; |
| 1695 | } |
| 1696 | |
| 1697 | isl_stat isl_basic_map_free_div(struct isl_basic_map *bmap, unsigned n) |
| 1698 | { |
| 1699 | if (!bmap) |
| 1700 | return isl_stat_error; |
| 1701 | isl_assert(bmap->ctx, n <= bmap->n_div, return isl_stat_error)do { if (n <= bmap->n_div) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "n <= bmap->n_div" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1701); return isl_stat_error; } while (0); } while (0); |
| 1702 | bmap->n_div -= n; |
| 1703 | return isl_stat_ok; |
| 1704 | } |
| 1705 | |
| 1706 | /* Copy constraint from src to dst, putting the vars of src at offset |
| 1707 | * dim_off in dst and the divs of src at offset div_off in dst. |
| 1708 | * If both sets are actually map, then dim_off applies to the input |
| 1709 | * variables. |
| 1710 | */ |
| 1711 | static void copy_constraint(struct isl_basic_map *dst_map, isl_int *dst, |
| 1712 | struct isl_basic_map *src_map, isl_int *src, |
| 1713 | unsigned in_off, unsigned out_off, unsigned div_off) |
| 1714 | { |
| 1715 | unsigned src_nparam = isl_basic_map_dim(src_map, isl_dim_param); |
| 1716 | unsigned dst_nparam = isl_basic_map_dim(dst_map, isl_dim_param); |
| 1717 | unsigned src_in = isl_basic_map_dim(src_map, isl_dim_in); |
| 1718 | unsigned dst_in = isl_basic_map_dim(dst_map, isl_dim_in); |
| 1719 | unsigned src_out = isl_basic_map_dim(src_map, isl_dim_out); |
| 1720 | unsigned dst_out = isl_basic_map_dim(dst_map, isl_dim_out); |
| 1721 | isl_int_set(dst[0], src[0])isl_sioimath_set((dst[0]), *(src[0])); |
| 1722 | isl_seq_cpy(dst+1, src+1, isl_min(dst_nparam, src_nparam)((dst_nparam < src_nparam) ? (dst_nparam) : (src_nparam))); |
| 1723 | if (dst_nparam > src_nparam) |
| 1724 | isl_seq_clr(dst+1+src_nparam, |
| 1725 | dst_nparam - src_nparam); |
| 1726 | isl_seq_clr(dst+1+dst_nparam, in_off); |
| 1727 | isl_seq_cpy(dst+1+dst_nparam+in_off, |
| 1728 | src+1+src_nparam, |
| 1729 | isl_min(dst_in-in_off, src_in)((dst_in-in_off < src_in) ? (dst_in-in_off) : (src_in))); |
| 1730 | if (dst_in-in_off > src_in) |
| 1731 | isl_seq_clr(dst+1+dst_nparam+in_off+src_in, |
| 1732 | dst_in - in_off - src_in); |
| 1733 | isl_seq_clr(dst+1+dst_nparam+dst_in, out_off); |
| 1734 | isl_seq_cpy(dst+1+dst_nparam+dst_in+out_off, |
| 1735 | src+1+src_nparam+src_in, |
| 1736 | isl_min(dst_out-out_off, src_out)((dst_out-out_off < src_out) ? (dst_out-out_off) : (src_out ))); |
| 1737 | if (dst_out-out_off > src_out) |
| 1738 | isl_seq_clr(dst+1+dst_nparam+dst_in+out_off+src_out, |
| 1739 | dst_out - out_off - src_out); |
| 1740 | isl_seq_clr(dst+1+dst_nparam+dst_in+dst_out, div_off); |
| 1741 | isl_seq_cpy(dst+1+dst_nparam+dst_in+dst_out+div_off, |
| 1742 | src+1+src_nparam+src_in+src_out, |
| 1743 | isl_min(dst_map->extra-div_off, src_map->n_div)((dst_map->extra-div_off < src_map->n_div) ? (dst_map ->extra-div_off) : (src_map->n_div))); |
| 1744 | if (dst_map->n_div-div_off > src_map->n_div) |
| 1745 | isl_seq_clr(dst+1+dst_nparam+dst_in+dst_out+ |
| 1746 | div_off+src_map->n_div, |
| 1747 | dst_map->n_div - div_off - src_map->n_div); |
| 1748 | } |
| 1749 | |
| 1750 | static void copy_div(struct isl_basic_map *dst_map, isl_int *dst, |
| 1751 | struct isl_basic_map *src_map, isl_int *src, |
| 1752 | unsigned in_off, unsigned out_off, unsigned div_off) |
| 1753 | { |
| 1754 | isl_int_set(dst[0], src[0])isl_sioimath_set((dst[0]), *(src[0])); |
| 1755 | copy_constraint(dst_map, dst+1, src_map, src+1, in_off, out_off, div_off); |
| 1756 | } |
| 1757 | |
| 1758 | static __isl_give isl_basic_map *add_constraints( |
| 1759 | __isl_take isl_basic_map *bmap1, __isl_take isl_basic_map *bmap2, |
| 1760 | unsigned i_pos, unsigned o_pos) |
| 1761 | { |
| 1762 | int i; |
| 1763 | unsigned div_off; |
| 1764 | |
| 1765 | if (!bmap1 || !bmap2) |
| 1766 | goto error; |
| 1767 | |
| 1768 | div_off = bmap1->n_div; |
| 1769 | |
| 1770 | for (i = 0; i < bmap2->n_eq; ++i) { |
| 1771 | int i1 = isl_basic_map_alloc_equality(bmap1); |
| 1772 | if (i1 < 0) |
| 1773 | goto error; |
| 1774 | copy_constraint(bmap1, bmap1->eq[i1], bmap2, bmap2->eq[i], |
| 1775 | i_pos, o_pos, div_off); |
| 1776 | } |
| 1777 | |
| 1778 | for (i = 0; i < bmap2->n_ineq; ++i) { |
| 1779 | int i1 = isl_basic_map_alloc_inequality(bmap1); |
| 1780 | if (i1 < 0) |
| 1781 | goto error; |
| 1782 | copy_constraint(bmap1, bmap1->ineq[i1], bmap2, bmap2->ineq[i], |
| 1783 | i_pos, o_pos, div_off); |
| 1784 | } |
| 1785 | |
| 1786 | for (i = 0; i < bmap2->n_div; ++i) { |
| 1787 | int i1 = isl_basic_map_alloc_div(bmap1); |
| 1788 | if (i1 < 0) |
| 1789 | goto error; |
| 1790 | copy_div(bmap1, bmap1->div[i1], bmap2, bmap2->div[i], |
| 1791 | i_pos, o_pos, div_off); |
| 1792 | } |
| 1793 | |
| 1794 | isl_basic_map_free(bmap2); |
| 1795 | |
| 1796 | return bmap1; |
| 1797 | |
| 1798 | error: |
| 1799 | isl_basic_map_free(bmap1); |
| 1800 | isl_basic_map_free(bmap2); |
| 1801 | return NULL((void*)0); |
| 1802 | } |
| 1803 | |
| 1804 | struct isl_basic_setisl_basic_map *isl_basic_set_add_constraints(struct isl_basic_setisl_basic_map *bset1, |
| 1805 | struct isl_basic_setisl_basic_map *bset2, unsigned pos) |
| 1806 | { |
| 1807 | return bset_from_bmap(add_constraints(bset_to_bmap(bset1), |
| 1808 | bset_to_bmap(bset2), 0, pos)); |
| 1809 | } |
| 1810 | |
| 1811 | __isl_give isl_basic_map *isl_basic_map_extend_space( |
| 1812 | __isl_take isl_basic_map *base, __isl_take isl_space *dim, |
| 1813 | unsigned extra, unsigned n_eq, unsigned n_ineq) |
| 1814 | { |
| 1815 | struct isl_basic_map *ext; |
| 1816 | unsigned flags; |
| 1817 | int dims_ok; |
| 1818 | |
| 1819 | if (!dim) |
| 1820 | goto error; |
| 1821 | |
| 1822 | if (!base) |
| 1823 | goto error; |
| 1824 | |
| 1825 | dims_ok = isl_space_is_equal(base->dim, dim) && |
| 1826 | base->extra >= base->n_div + extra; |
| 1827 | |
| 1828 | if (dims_ok && room_for_con(base, n_eq + n_ineq) && |
| 1829 | room_for_ineq(base, n_ineq)) { |
| 1830 | isl_space_free(dim); |
| 1831 | return base; |
| 1832 | } |
| 1833 | |
| 1834 | isl_assert(base->ctx, base->dim->nparam <= dim->nparam, goto error)do { if (base->dim->nparam <= dim->nparam) break; do { isl_handle_error(base->ctx, isl_error_unknown, "Assertion \"" "base->dim->nparam <= dim->nparam" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1834); goto error; } while (0); } while (0); |
| 1835 | isl_assert(base->ctx, base->dim->n_in <= dim->n_in, goto error)do { if (base->dim->n_in <= dim->n_in) break; do { isl_handle_error(base->ctx, isl_error_unknown, "Assertion \"" "base->dim->n_in <= dim->n_in" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1835); goto error; } while (0); } while (0); |
| 1836 | isl_assert(base->ctx, base->dim->n_out <= dim->n_out, goto error)do { if (base->dim->n_out <= dim->n_out) break; do { isl_handle_error(base->ctx, isl_error_unknown, "Assertion \"" "base->dim->n_out <= dim->n_out" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1836); goto error; } while (0); } while (0); |
| 1837 | extra += base->extra; |
| 1838 | n_eq += base->n_eq; |
| 1839 | n_ineq += base->n_ineq; |
| 1840 | |
| 1841 | ext = isl_basic_map_alloc_space(dim, extra, n_eq, n_ineq); |
| 1842 | dim = NULL((void*)0); |
| 1843 | if (!ext) |
| 1844 | goto error; |
| 1845 | |
| 1846 | if (dims_ok) |
| 1847 | ext->sample = isl_vec_copy(base->sample); |
| 1848 | flags = base->flags; |
| 1849 | ext = add_constraints(ext, base, 0, 0); |
| 1850 | if (ext) { |
| 1851 | ext->flags = flags; |
| 1852 | ISL_F_CLR(ext, ISL_BASIC_SET_FINAL)(((ext)->flags) &= ~((1 << 0))); |
| 1853 | } |
| 1854 | |
| 1855 | return ext; |
| 1856 | |
| 1857 | error: |
| 1858 | isl_space_free(dim); |
| 1859 | isl_basic_map_free(base); |
| 1860 | return NULL((void*)0); |
| 1861 | } |
| 1862 | |
| 1863 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_extend_space( |
| 1864 | __isl_take isl_basic_setisl_basic_map *base, |
| 1865 | __isl_take isl_space *dim, unsigned extra, |
| 1866 | unsigned n_eq, unsigned n_ineq) |
| 1867 | { |
| 1868 | return bset_from_bmap(isl_basic_map_extend_space(bset_to_bmap(base), |
| 1869 | dim, extra, n_eq, n_ineq)); |
| 1870 | } |
| 1871 | |
| 1872 | struct isl_basic_map *isl_basic_map_extend_constraints( |
| 1873 | struct isl_basic_map *base, unsigned n_eq, unsigned n_ineq) |
| 1874 | { |
| 1875 | if (!base) |
| 1876 | return NULL((void*)0); |
| 1877 | return isl_basic_map_extend_space(base, isl_space_copy(base->dim), |
| 1878 | 0, n_eq, n_ineq); |
| 1879 | } |
| 1880 | |
| 1881 | struct isl_basic_map *isl_basic_map_extend(struct isl_basic_map *base, |
| 1882 | unsigned nparam, unsigned n_in, unsigned n_out, unsigned extra, |
| 1883 | unsigned n_eq, unsigned n_ineq) |
| 1884 | { |
| 1885 | struct isl_basic_map *bmap; |
| 1886 | isl_space *dim; |
| 1887 | |
| 1888 | if (!base) |
| 1889 | return NULL((void*)0); |
| 1890 | dim = isl_space_alloc(base->ctx, nparam, n_in, n_out); |
| 1891 | if (!dim) |
| 1892 | goto error; |
| 1893 | |
| 1894 | bmap = isl_basic_map_extend_space(base, dim, extra, n_eq, n_ineq); |
| 1895 | return bmap; |
| 1896 | error: |
| 1897 | isl_basic_map_free(base); |
| 1898 | return NULL((void*)0); |
| 1899 | } |
| 1900 | |
| 1901 | struct isl_basic_setisl_basic_map *isl_basic_set_extend(struct isl_basic_setisl_basic_map *base, |
| 1902 | unsigned nparam, unsigned dim, unsigned extra, |
| 1903 | unsigned n_eq, unsigned n_ineq) |
| 1904 | { |
| 1905 | return bset_from_bmap(isl_basic_map_extend(bset_to_bmap(base), |
| 1906 | nparam, 0, dim, extra, n_eq, n_ineq)); |
| 1907 | } |
| 1908 | |
| 1909 | struct isl_basic_setisl_basic_map *isl_basic_set_extend_constraints( |
| 1910 | struct isl_basic_setisl_basic_map *base, unsigned n_eq, unsigned n_ineq) |
| 1911 | { |
| 1912 | isl_basic_map *bmap = bset_to_bmap(base); |
| 1913 | bmap = isl_basic_map_extend_constraints(bmap, n_eq, n_ineq); |
| 1914 | return bset_from_bmap(bmap); |
| 1915 | } |
| 1916 | |
| 1917 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_cow(__isl_take isl_basic_setisl_basic_map *bset) |
| 1918 | { |
| 1919 | return bset_from_bmap(isl_basic_map_cow(bset_to_bmap(bset))); |
| 1920 | } |
| 1921 | |
| 1922 | __isl_give isl_basic_map *isl_basic_map_cow(__isl_take isl_basic_map *bmap) |
| 1923 | { |
| 1924 | if (!bmap) |
| 1925 | return NULL((void*)0); |
| 1926 | |
| 1927 | if (bmap->ref > 1) { |
| 1928 | bmap->ref--; |
| 1929 | bmap = isl_basic_map_dup(bmap); |
| 1930 | } |
| 1931 | if (bmap) { |
| 1932 | ISL_F_CLR(bmap, ISL_BASIC_SET_FINAL)(((bmap)->flags) &= ~((1 << 0))); |
| 1933 | ISL_F_CLR(bmap, ISL_BASIC_MAP_REDUCED_COEFFICIENTS)(((bmap)->flags) &= ~((1 << 8))); |
| 1934 | } |
| 1935 | return bmap; |
| 1936 | } |
| 1937 | |
| 1938 | /* Clear all cached information in "map", either because it is about |
| 1939 | * to be modified or because it is being freed. |
| 1940 | * Always return the same pointer that is passed in. |
| 1941 | * This is needed for the use in isl_map_free. |
| 1942 | */ |
| 1943 | static __isl_give isl_map *clear_caches(__isl_take isl_map *map) |
| 1944 | { |
| 1945 | isl_basic_map_free(map->cached_simple_hull[0]); |
| 1946 | isl_basic_map_free(map->cached_simple_hull[1]); |
| 1947 | map->cached_simple_hull[0] = NULL((void*)0); |
| 1948 | map->cached_simple_hull[1] = NULL((void*)0); |
| 1949 | return map; |
| 1950 | } |
| 1951 | |
| 1952 | __isl_give isl_setisl_map *isl_set_cow(__isl_take isl_setisl_map *set) |
| 1953 | { |
| 1954 | return isl_map_cow(set); |
| 1955 | } |
| 1956 | |
| 1957 | /* Return an isl_map that is equal to "map" and that has only |
| 1958 | * a single reference. |
| 1959 | * |
| 1960 | * If the original input already has only one reference, then |
| 1961 | * simply return it, but clear all cached information, since |
| 1962 | * it may be rendered invalid by the operations that will be |
| 1963 | * performed on the result. |
| 1964 | * |
| 1965 | * Otherwise, create a duplicate (without any cached information). |
| 1966 | */ |
| 1967 | __isl_give isl_map *isl_map_cow(__isl_take isl_map *map) |
| 1968 | { |
| 1969 | if (!map) |
| 1970 | return NULL((void*)0); |
| 1971 | |
| 1972 | if (map->ref == 1) |
| 1973 | return clear_caches(map); |
| 1974 | map->ref--; |
| 1975 | return isl_map_dup(map); |
| 1976 | } |
| 1977 | |
| 1978 | static void swap_vars(struct isl_blk blk, isl_int *a, |
| 1979 | unsigned a_len, unsigned b_len) |
| 1980 | { |
| 1981 | isl_seq_cpy(blk.data, a+a_len, b_len); |
| 1982 | isl_seq_cpy(blk.data+b_len, a, a_len); |
| 1983 | isl_seq_cpy(a, blk.data, b_len+a_len); |
| 1984 | } |
| 1985 | |
| 1986 | static __isl_give isl_basic_map *isl_basic_map_swap_vars( |
| 1987 | __isl_take isl_basic_map *bmap, unsigned pos, unsigned n1, unsigned n2) |
| 1988 | { |
| 1989 | int i; |
| 1990 | struct isl_blk blk; |
| 1991 | |
| 1992 | if (!bmap) |
| 1993 | goto error; |
| 1994 | |
| 1995 | isl_assert(bmap->ctx,do { if (pos + n1 + n2 <= 1 + isl_basic_map_total_dim(bmap )) break; do { isl_handle_error(bmap->ctx, isl_error_unknown , "Assertion \"" "pos + n1 + n2 <= 1 + isl_basic_map_total_dim(bmap)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1996); goto error; } while (0); } while (0) |
| 1996 | pos + n1 + n2 <= 1 + isl_basic_map_total_dim(bmap), goto error)do { if (pos + n1 + n2 <= 1 + isl_basic_map_total_dim(bmap )) break; do { isl_handle_error(bmap->ctx, isl_error_unknown , "Assertion \"" "pos + n1 + n2 <= 1 + isl_basic_map_total_dim(bmap)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 1996); goto error; } while (0); } while (0); |
| 1997 | |
| 1998 | if (n1 == 0 || n2 == 0) |
| 1999 | return bmap; |
| 2000 | |
| 2001 | bmap = isl_basic_map_cow(bmap); |
| 2002 | if (!bmap) |
| 2003 | return NULL((void*)0); |
| 2004 | |
| 2005 | blk = isl_blk_alloc(bmap->ctx, n1 + n2); |
| 2006 | if (isl_blk_is_error(blk)) |
| 2007 | goto error; |
| 2008 | |
| 2009 | for (i = 0; i < bmap->n_eq; ++i) |
| 2010 | swap_vars(blk, |
| 2011 | bmap->eq[i] + pos, n1, n2); |
| 2012 | |
| 2013 | for (i = 0; i < bmap->n_ineq; ++i) |
| 2014 | swap_vars(blk, |
| 2015 | bmap->ineq[i] + pos, n1, n2); |
| 2016 | |
| 2017 | for (i = 0; i < bmap->n_div; ++i) |
| 2018 | swap_vars(blk, |
| 2019 | bmap->div[i]+1 + pos, n1, n2); |
| 2020 | |
| 2021 | isl_blk_free(bmap->ctx, blk); |
| 2022 | |
| 2023 | ISL_F_CLR(bmap, ISL_BASIC_SET_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 2024 | bmap = isl_basic_map_gauss(bmap, NULL((void*)0)); |
| 2025 | return isl_basic_map_finalize(bmap); |
| 2026 | error: |
| 2027 | isl_basic_map_free(bmap); |
| 2028 | return NULL((void*)0); |
| 2029 | } |
| 2030 | |
| 2031 | __isl_give isl_basic_map *isl_basic_map_set_to_empty( |
| 2032 | __isl_take isl_basic_map *bmap) |
| 2033 | { |
| 2034 | int i = 0; |
| 2035 | unsigned total; |
| 2036 | if (!bmap) |
| 2037 | goto error; |
| 2038 | total = isl_basic_map_total_dim(bmap); |
| 2039 | if (isl_basic_map_free_div(bmap, bmap->n_div) < 0) |
| 2040 | return isl_basic_map_free(bmap); |
| 2041 | isl_basic_map_free_inequality(bmap, bmap->n_ineq); |
| 2042 | if (bmap->n_eq > 0) |
| 2043 | isl_basic_map_free_equality(bmap, bmap->n_eq-1); |
| 2044 | else { |
| 2045 | i = isl_basic_map_alloc_equality(bmap); |
| 2046 | if (i < 0) |
| 2047 | goto error; |
| 2048 | } |
| 2049 | isl_int_set_si(bmap->eq[i][0], 1)isl_sioimath_set_si((bmap->eq[i][0]), 1); |
| 2050 | isl_seq_clr(bmap->eq[i]+1, total); |
| 2051 | ISL_F_SET(bmap, ISL_BASIC_MAP_EMPTY)(((bmap)->flags) |= ((1 << 1))); |
| 2052 | isl_vec_free(bmap->sample); |
| 2053 | bmap->sample = NULL((void*)0); |
| 2054 | return isl_basic_map_finalize(bmap); |
| 2055 | error: |
| 2056 | isl_basic_map_free(bmap); |
| 2057 | return NULL((void*)0); |
| 2058 | } |
| 2059 | |
| 2060 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_set_to_empty( |
| 2061 | __isl_take isl_basic_setisl_basic_map *bset) |
| 2062 | { |
| 2063 | return bset_from_bmap(isl_basic_map_set_to_empty(bset_to_bmap(bset))); |
| 2064 | } |
| 2065 | |
| 2066 | __isl_give isl_basic_map *isl_basic_map_set_rational( |
| 2067 | __isl_take isl_basic_map *bmap) |
| 2068 | { |
| 2069 | if (!bmap) |
| 2070 | return NULL((void*)0); |
| 2071 | |
| 2072 | if (ISL_F_ISSET(bmap, ISL_BASIC_MAP_RATIONAL)(!!(((bmap)->flags) & ((1 << 4))))) |
| 2073 | return bmap; |
| 2074 | |
| 2075 | bmap = isl_basic_map_cow(bmap); |
| 2076 | if (!bmap) |
| 2077 | return NULL((void*)0); |
| 2078 | |
| 2079 | ISL_F_SET(bmap, ISL_BASIC_MAP_RATIONAL)(((bmap)->flags) |= ((1 << 4))); |
| 2080 | |
| 2081 | return isl_basic_map_finalize(bmap); |
| 2082 | } |
| 2083 | |
| 2084 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_set_rational( |
| 2085 | __isl_take isl_basic_setisl_basic_map *bset) |
| 2086 | { |
| 2087 | return isl_basic_map_set_rational(bset); |
| 2088 | } |
| 2089 | |
| 2090 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_set_integral( |
| 2091 | __isl_take isl_basic_setisl_basic_map *bset) |
| 2092 | { |
| 2093 | if (!bset) |
| 2094 | return NULL((void*)0); |
| 2095 | |
| 2096 | if (!ISL_F_ISSET(bset, ISL_BASIC_MAP_RATIONAL)(!!(((bset)->flags) & ((1 << 4))))) |
| 2097 | return bset; |
| 2098 | |
| 2099 | bset = isl_basic_set_cow(bset); |
| 2100 | if (!bset) |
| 2101 | return NULL((void*)0); |
| 2102 | |
| 2103 | ISL_F_CLR(bset, ISL_BASIC_MAP_RATIONAL)(((bset)->flags) &= ~((1 << 4))); |
| 2104 | |
| 2105 | return isl_basic_set_finalize(bset); |
| 2106 | } |
| 2107 | |
| 2108 | __isl_give isl_map *isl_map_set_rational(__isl_take isl_map *map) |
| 2109 | { |
| 2110 | int i; |
| 2111 | |
| 2112 | map = isl_map_cow(map); |
| 2113 | if (!map) |
| 2114 | return NULL((void*)0); |
| 2115 | for (i = 0; i < map->n; ++i) { |
| 2116 | map->p[i] = isl_basic_map_set_rational(map->p[i]); |
| 2117 | if (!map->p[i]) |
| 2118 | goto error; |
| 2119 | } |
| 2120 | return map; |
| 2121 | error: |
| 2122 | isl_map_free(map); |
| 2123 | return NULL((void*)0); |
| 2124 | } |
| 2125 | |
| 2126 | __isl_give isl_setisl_map *isl_set_set_rational(__isl_take isl_setisl_map *set) |
| 2127 | { |
| 2128 | return isl_map_set_rational(set); |
| 2129 | } |
| 2130 | |
| 2131 | /* Swap divs "a" and "b" in "bmap" (without modifying any of the constraints |
| 2132 | * of "bmap"). |
| 2133 | */ |
| 2134 | static void swap_div(__isl_keep isl_basic_map *bmap, int a, int b) |
| 2135 | { |
| 2136 | isl_int *t = bmap->div[a]; |
| 2137 | bmap->div[a] = bmap->div[b]; |
| 2138 | bmap->div[b] = t; |
| 2139 | } |
| 2140 | |
| 2141 | /* Swap divs "a" and "b" in "bmap" and adjust the constraints and |
| 2142 | * div definitions accordingly. |
| 2143 | */ |
| 2144 | void isl_basic_map_swap_div(struct isl_basic_map *bmap, int a, int b) |
| 2145 | { |
| 2146 | int i; |
| 2147 | unsigned off = isl_space_dim(bmap->dim, isl_dim_all); |
| 2148 | |
| 2149 | swap_div(bmap, a, b); |
| 2150 | |
| 2151 | for (i = 0; i < bmap->n_eq; ++i) |
| 2152 | isl_int_swap(bmap->eq[i][1+off+a], bmap->eq[i][1+off+b])isl_sioimath_swap((bmap->eq[i][1+off+a]), (bmap->eq[i][ 1+off+b])); |
| 2153 | |
| 2154 | for (i = 0; i < bmap->n_ineq; ++i) |
| 2155 | isl_int_swap(bmap->ineq[i][1+off+a], bmap->ineq[i][1+off+b])isl_sioimath_swap((bmap->ineq[i][1+off+a]), (bmap->ineq [i][1+off+b])); |
| 2156 | |
| 2157 | for (i = 0; i < bmap->n_div; ++i) |
| 2158 | isl_int_swap(bmap->div[i][1+1+off+a], bmap->div[i][1+1+off+b])isl_sioimath_swap((bmap->div[i][1+1+off+a]), (bmap->div [i][1+1+off+b])); |
| 2159 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 2160 | } |
| 2161 | |
| 2162 | /* Swap divs "a" and "b" in "bset" and adjust the constraints and |
| 2163 | * div definitions accordingly. |
| 2164 | */ |
| 2165 | void isl_basic_set_swap_div(__isl_keep isl_basic_setisl_basic_map *bset, int a, int b) |
| 2166 | { |
| 2167 | isl_basic_map_swap_div(bset, a, b); |
| 2168 | } |
| 2169 | |
| 2170 | static void constraint_drop_vars(isl_int *c, unsigned n, unsigned rem) |
| 2171 | { |
| 2172 | isl_seq_cpy(c, c + n, rem); |
| 2173 | isl_seq_clr(c + rem, n); |
| 2174 | } |
| 2175 | |
| 2176 | /* Drop n dimensions starting at first. |
| 2177 | * |
| 2178 | * In principle, this frees up some extra variables as the number |
| 2179 | * of columns remains constant, but we would have to extend |
| 2180 | * the div array too as the number of rows in this array is assumed |
| 2181 | * to be equal to extra. |
| 2182 | */ |
| 2183 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_drop_dims( |
| 2184 | __isl_take isl_basic_setisl_basic_map *bset, unsigned first, unsigned n) |
| 2185 | { |
| 2186 | return isl_basic_map_drop(bset_to_bmap(bset), isl_dim_set, first, n); |
| 2187 | } |
| 2188 | |
| 2189 | /* Move "n" divs starting at "first" to the end of the list of divs. |
| 2190 | */ |
| 2191 | static struct isl_basic_map *move_divs_last(struct isl_basic_map *bmap, |
| 2192 | unsigned first, unsigned n) |
| 2193 | { |
| 2194 | isl_int **div; |
| 2195 | int i; |
| 2196 | |
| 2197 | if (first + n == bmap->n_div) |
| 2198 | return bmap; |
| 2199 | |
| 2200 | div = isl_alloc_array(bmap->ctx, isl_int *, n)((isl_int * *)isl_malloc_or_die(bmap->ctx, (n)*sizeof(isl_int *))); |
| 2201 | if (!div) |
| 2202 | goto error; |
| 2203 | for (i = 0; i < n; ++i) |
| 2204 | div[i] = bmap->div[first + i]; |
| 2205 | for (i = 0; i < bmap->n_div - first - n; ++i) |
| 2206 | bmap->div[first + i] = bmap->div[first + n + i]; |
| 2207 | for (i = 0; i < n; ++i) |
| 2208 | bmap->div[bmap->n_div - n + i] = div[i]; |
| 2209 | free(div); |
| 2210 | return bmap; |
| 2211 | error: |
| 2212 | isl_basic_map_free(bmap); |
| 2213 | return NULL((void*)0); |
| 2214 | } |
| 2215 | |
| 2216 | /* Check that there are "n" dimensions of type "type" starting at "first" |
| 2217 | * in "map". |
| 2218 | */ |
| 2219 | static isl_stat isl_map_check_range(__isl_keep isl_map *map, |
| 2220 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2221 | { |
| 2222 | if (!map) |
| 2223 | return isl_stat_error; |
| 2224 | if (first + n > isl_map_dim(map, type) || first + n < first) |
| 2225 | isl_die(isl_map_get_ctx(map), isl_error_invalid,do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "position or range out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 2227); return isl_stat_error; } while (0) |
| 2226 | "position or range out of bounds",do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "position or range out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 2227); return isl_stat_error; } while (0) |
| 2227 | return isl_stat_error)do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "position or range out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 2227); return isl_stat_error; } while (0); |
| 2228 | return isl_stat_ok; |
| 2229 | } |
| 2230 | |
| 2231 | /* Drop "n" dimensions of type "type" starting at "first". |
| 2232 | * |
| 2233 | * In principle, this frees up some extra variables as the number |
| 2234 | * of columns remains constant, but we would have to extend |
| 2235 | * the div array too as the number of rows in this array is assumed |
| 2236 | * to be equal to extra. |
| 2237 | */ |
| 2238 | __isl_give isl_basic_map *isl_basic_map_drop(__isl_take isl_basic_map *bmap, |
| 2239 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2240 | { |
| 2241 | int i; |
| 2242 | unsigned dim; |
| 2243 | unsigned offset; |
| 2244 | unsigned left; |
| 2245 | |
| 2246 | if (!bmap) |
| 2247 | goto error; |
| 2248 | |
| 2249 | dim = isl_basic_map_dim(bmap, type); |
| 2250 | isl_assert(bmap->ctx, first + n <= dim, goto error)do { if (first + n <= dim) break; do { isl_handle_error(bmap ->ctx, isl_error_unknown, "Assertion \"" "first + n <= dim" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 2250); goto error; } while (0); } while (0); |
| 2251 | |
| 2252 | if (n == 0 && !isl_space_is_named_or_nested(bmap->dim, type)) |
| 2253 | return bmap; |
| 2254 | |
| 2255 | bmap = isl_basic_map_cow(bmap); |
| 2256 | if (!bmap) |
| 2257 | return NULL((void*)0); |
| 2258 | |
| 2259 | offset = isl_basic_map_offset(bmap, type) + first; |
| 2260 | left = isl_basic_map_total_dim(bmap) - (offset - 1) - n; |
| 2261 | for (i = 0; i < bmap->n_eq; ++i) |
| 2262 | constraint_drop_vars(bmap->eq[i]+offset, n, left); |
| 2263 | |
| 2264 | for (i = 0; i < bmap->n_ineq; ++i) |
| 2265 | constraint_drop_vars(bmap->ineq[i]+offset, n, left); |
| 2266 | |
| 2267 | for (i = 0; i < bmap->n_div; ++i) |
| 2268 | constraint_drop_vars(bmap->div[i]+1+offset, n, left); |
| 2269 | |
| 2270 | if (type == isl_dim_div) { |
| 2271 | bmap = move_divs_last(bmap, first, n); |
| 2272 | if (!bmap) |
| 2273 | goto error; |
| 2274 | if (isl_basic_map_free_div(bmap, n) < 0) |
| 2275 | return isl_basic_map_free(bmap); |
| 2276 | } else |
| 2277 | bmap->dim = isl_space_drop_dims(bmap->dim, type, first, n); |
| 2278 | if (!bmap->dim) |
| 2279 | goto error; |
| 2280 | |
| 2281 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 2282 | bmap = isl_basic_map_simplify(bmap); |
| 2283 | return isl_basic_map_finalize(bmap); |
| 2284 | error: |
| 2285 | isl_basic_map_free(bmap); |
| 2286 | return NULL((void*)0); |
| 2287 | } |
| 2288 | |
| 2289 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_drop(__isl_take isl_basic_setisl_basic_map *bset, |
| 2290 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2291 | { |
| 2292 | return bset_from_bmap(isl_basic_map_drop(bset_to_bmap(bset), |
| 2293 | type, first, n)); |
| 2294 | } |
| 2295 | |
| 2296 | /* No longer consider "map" to be normalized. |
| 2297 | */ |
| 2298 | static __isl_give isl_map *isl_map_unmark_normalized(__isl_take isl_map *map) |
| 2299 | { |
| 2300 | if (!map) |
| 2301 | return NULL((void*)0); |
| 2302 | ISL_F_CLR(map, ISL_MAP_NORMALIZED)(((map)->flags) &= ~((1 << 1))); |
| 2303 | return map; |
| 2304 | } |
| 2305 | |
| 2306 | __isl_give isl_map *isl_map_drop(__isl_take isl_map *map, |
| 2307 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2308 | { |
| 2309 | int i; |
| 2310 | |
| 2311 | if (isl_map_check_range(map, type, first, n) < 0) |
| 2312 | return isl_map_free(map); |
| 2313 | |
| 2314 | if (n == 0 && !isl_space_is_named_or_nested(map->dim, type)) |
| 2315 | return map; |
| 2316 | map = isl_map_cow(map); |
| 2317 | if (!map) |
| 2318 | goto error; |
| 2319 | map->dim = isl_space_drop_dims(map->dim, type, first, n); |
| 2320 | if (!map->dim) |
| 2321 | goto error; |
| 2322 | |
| 2323 | for (i = 0; i < map->n; ++i) { |
| 2324 | map->p[i] = isl_basic_map_drop(map->p[i], type, first, n); |
| 2325 | if (!map->p[i]) |
| 2326 | goto error; |
| 2327 | } |
| 2328 | map = isl_map_unmark_normalized(map); |
| 2329 | |
| 2330 | return map; |
| 2331 | error: |
| 2332 | isl_map_free(map); |
| 2333 | return NULL((void*)0); |
| 2334 | } |
| 2335 | |
| 2336 | __isl_give isl_setisl_map *isl_set_drop(__isl_take isl_setisl_map *set, |
| 2337 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2338 | { |
| 2339 | return set_from_map(isl_map_drop(set_to_map(set), type, first, n)); |
| 2340 | } |
| 2341 | |
| 2342 | /* |
| 2343 | * We don't cow, as the div is assumed to be redundant. |
| 2344 | */ |
| 2345 | __isl_give isl_basic_map *isl_basic_map_drop_div( |
| 2346 | __isl_take isl_basic_map *bmap, unsigned div) |
| 2347 | { |
| 2348 | int i; |
| 2349 | unsigned pos; |
| 2350 | |
| 2351 | if (!bmap) |
| 2352 | goto error; |
| 2353 | |
| 2354 | pos = 1 + isl_space_dim(bmap->dim, isl_dim_all) + div; |
| 2355 | |
| 2356 | isl_assert(bmap->ctx, div < bmap->n_div, goto error)do { if (div < bmap->n_div) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "div < bmap->n_div" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 2356); goto error; } while (0); } while (0); |
| 2357 | |
| 2358 | for (i = 0; i < bmap->n_eq; ++i) |
| 2359 | constraint_drop_vars(bmap->eq[i]+pos, 1, bmap->extra-div-1); |
| 2360 | |
| 2361 | for (i = 0; i < bmap->n_ineq; ++i) { |
| 2362 | if (!isl_int_is_zero(bmap->ineq[i][pos])(isl_sioimath_sgn(*(bmap->ineq[i][pos])) == 0)) { |
| 2363 | isl_basic_map_drop_inequality(bmap, i); |
| 2364 | --i; |
| 2365 | continue; |
| 2366 | } |
| 2367 | constraint_drop_vars(bmap->ineq[i]+pos, 1, bmap->extra-div-1); |
| 2368 | } |
| 2369 | |
| 2370 | for (i = 0; i < bmap->n_div; ++i) |
| 2371 | constraint_drop_vars(bmap->div[i]+1+pos, 1, bmap->extra-div-1); |
| 2372 | |
| 2373 | if (div != bmap->n_div - 1) { |
| 2374 | int j; |
| 2375 | isl_int *t = bmap->div[div]; |
| 2376 | |
| 2377 | for (j = div; j < bmap->n_div - 1; ++j) |
| 2378 | bmap->div[j] = bmap->div[j+1]; |
| 2379 | |
| 2380 | bmap->div[bmap->n_div - 1] = t; |
| 2381 | } |
| 2382 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 2383 | if (isl_basic_map_free_div(bmap, 1) < 0) |
| 2384 | return isl_basic_map_free(bmap); |
| 2385 | |
| 2386 | return bmap; |
| 2387 | error: |
| 2388 | isl_basic_map_free(bmap); |
| 2389 | return NULL((void*)0); |
| 2390 | } |
| 2391 | |
| 2392 | /* Eliminate the specified n dimensions starting at first from the |
| 2393 | * constraints, without removing the dimensions from the space. |
| 2394 | * If the set is rational, the dimensions are eliminated using Fourier-Motzkin. |
| 2395 | */ |
| 2396 | __isl_give isl_map *isl_map_eliminate(__isl_take isl_map *map, |
| 2397 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2398 | { |
| 2399 | int i; |
| 2400 | |
| 2401 | if (n == 0) |
| 2402 | return map; |
| 2403 | |
| 2404 | if (isl_map_check_range(map, type, first, n) < 0) |
| 2405 | return isl_map_free(map); |
| 2406 | |
| 2407 | map = isl_map_cow(map); |
| 2408 | if (!map) |
| 2409 | return NULL((void*)0); |
| 2410 | |
| 2411 | for (i = 0; i < map->n; ++i) { |
| 2412 | map->p[i] = isl_basic_map_eliminate(map->p[i], type, first, n); |
| 2413 | if (!map->p[i]) |
| 2414 | goto error; |
| 2415 | } |
| 2416 | return map; |
| 2417 | error: |
| 2418 | isl_map_free(map); |
| 2419 | return NULL((void*)0); |
| 2420 | } |
| 2421 | |
| 2422 | /* Eliminate the specified n dimensions starting at first from the |
| 2423 | * constraints, without removing the dimensions from the space. |
| 2424 | * If the set is rational, the dimensions are eliminated using Fourier-Motzkin. |
| 2425 | */ |
| 2426 | __isl_give isl_setisl_map *isl_set_eliminate(__isl_take isl_setisl_map *set, |
| 2427 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2428 | { |
| 2429 | return set_from_map(isl_map_eliminate(set_to_map(set), type, first, n)); |
| 2430 | } |
| 2431 | |
| 2432 | /* Eliminate the specified n dimensions starting at first from the |
| 2433 | * constraints, without removing the dimensions from the space. |
| 2434 | * If the set is rational, the dimensions are eliminated using Fourier-Motzkin. |
| 2435 | */ |
| 2436 | __isl_give isl_setisl_map *isl_set_eliminate_dims(__isl_take isl_setisl_map *set, |
| 2437 | unsigned first, unsigned n) |
| 2438 | { |
| 2439 | return isl_set_eliminate(set, isl_dim_set, first, n); |
| 2440 | } |
| 2441 | |
| 2442 | __isl_give isl_basic_map *isl_basic_map_remove_divs( |
| 2443 | __isl_take isl_basic_map *bmap) |
| 2444 | { |
| 2445 | if (!bmap) |
| 2446 | return NULL((void*)0); |
| 2447 | bmap = isl_basic_map_eliminate_vars(bmap, |
| 2448 | isl_space_dim(bmap->dim, isl_dim_all), bmap->n_div); |
| 2449 | if (!bmap) |
| 2450 | return NULL((void*)0); |
| 2451 | bmap->n_div = 0; |
| 2452 | return isl_basic_map_finalize(bmap); |
| 2453 | } |
| 2454 | |
| 2455 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_remove_divs( |
| 2456 | __isl_take isl_basic_setisl_basic_map *bset) |
| 2457 | { |
| 2458 | return bset_from_bmap(isl_basic_map_remove_divs(bset_to_bmap(bset))); |
| 2459 | } |
| 2460 | |
| 2461 | __isl_give isl_map *isl_map_remove_divs(__isl_take isl_map *map) |
| 2462 | { |
| 2463 | int i; |
| 2464 | |
| 2465 | if (!map) |
| 2466 | return NULL((void*)0); |
| 2467 | if (map->n == 0) |
| 2468 | return map; |
| 2469 | |
| 2470 | map = isl_map_cow(map); |
| 2471 | if (!map) |
| 2472 | return NULL((void*)0); |
| 2473 | |
| 2474 | for (i = 0; i < map->n; ++i) { |
| 2475 | map->p[i] = isl_basic_map_remove_divs(map->p[i]); |
| 2476 | if (!map->p[i]) |
| 2477 | goto error; |
| 2478 | } |
| 2479 | return map; |
| 2480 | error: |
| 2481 | isl_map_free(map); |
| 2482 | return NULL((void*)0); |
| 2483 | } |
| 2484 | |
| 2485 | __isl_give isl_setisl_map *isl_set_remove_divs(__isl_take isl_setisl_map *set) |
| 2486 | { |
| 2487 | return isl_map_remove_divs(set); |
| 2488 | } |
| 2489 | |
| 2490 | __isl_give isl_basic_map *isl_basic_map_remove_dims( |
| 2491 | __isl_take isl_basic_map *bmap, enum isl_dim_type type, |
| 2492 | unsigned first, unsigned n) |
| 2493 | { |
| 2494 | if (isl_basic_map_check_range(bmap, type, first, n) < 0) |
| 2495 | return isl_basic_map_free(bmap); |
| 2496 | if (n == 0 && !isl_space_is_named_or_nested(bmap->dim, type)) |
| 2497 | return bmap; |
| 2498 | bmap = isl_basic_map_eliminate_vars(bmap, |
| 2499 | isl_basic_map_offset(bmap, type) - 1 + first, n); |
| 2500 | if (!bmap) |
| 2501 | return bmap; |
| 2502 | if (ISL_F_ISSET(bmap, ISL_BASIC_MAP_EMPTY)(!!(((bmap)->flags) & ((1 << 1)))) && type == isl_dim_div) |
| 2503 | return bmap; |
| 2504 | bmap = isl_basic_map_drop(bmap, type, first, n); |
| 2505 | return bmap; |
| 2506 | } |
| 2507 | |
| 2508 | /* Return true if the definition of the given div (recursively) involves |
| 2509 | * any of the given variables. |
| 2510 | */ |
| 2511 | static isl_bool div_involves_vars(__isl_keep isl_basic_map *bmap, int div, |
| 2512 | unsigned first, unsigned n) |
| 2513 | { |
| 2514 | int i; |
| 2515 | unsigned div_offset = isl_basic_map_offset(bmap, isl_dim_div); |
| 2516 | |
| 2517 | if (isl_int_is_zero(bmap->div[div][0])(isl_sioimath_sgn(*(bmap->div[div][0])) == 0)) |
| 2518 | return isl_bool_false; |
| 2519 | if (isl_seq_first_non_zero(bmap->div[div] + 1 + first, n) >= 0) |
| 2520 | return isl_bool_true; |
| 2521 | |
| 2522 | for (i = bmap->n_div - 1; i >= 0; --i) { |
| 2523 | isl_bool involves; |
| 2524 | |
| 2525 | if (isl_int_is_zero(bmap->div[div][1 + div_offset + i])(isl_sioimath_sgn(*(bmap->div[div][1 + div_offset + i])) == 0)) |
| 2526 | continue; |
| 2527 | involves = div_involves_vars(bmap, i, first, n); |
| 2528 | if (involves < 0 || involves) |
| 2529 | return involves; |
| 2530 | } |
| 2531 | |
| 2532 | return isl_bool_false; |
| 2533 | } |
| 2534 | |
| 2535 | /* Try and add a lower and/or upper bound on "div" to "bmap" |
| 2536 | * based on inequality "i". |
| 2537 | * "total" is the total number of variables (excluding the divs). |
| 2538 | * "v" is a temporary object that can be used during the calculations. |
| 2539 | * If "lb" is set, then a lower bound should be constructed. |
| 2540 | * If "ub" is set, then an upper bound should be constructed. |
| 2541 | * |
| 2542 | * The calling function has already checked that the inequality does not |
| 2543 | * reference "div", but we still need to check that the inequality is |
| 2544 | * of the right form. We'll consider the case where we want to construct |
| 2545 | * a lower bound. The construction of upper bounds is similar. |
| 2546 | * |
| 2547 | * Let "div" be of the form |
| 2548 | * |
| 2549 | * q = floor((a + f(x))/d) |
| 2550 | * |
| 2551 | * We essentially check if constraint "i" is of the form |
| 2552 | * |
| 2553 | * b + f(x) >= 0 |
| 2554 | * |
| 2555 | * so that we can use it to derive a lower bound on "div". |
| 2556 | * However, we allow a slightly more general form |
| 2557 | * |
| 2558 | * b + g(x) >= 0 |
| 2559 | * |
| 2560 | * with the condition that the coefficients of g(x) - f(x) are all |
| 2561 | * divisible by d. |
| 2562 | * Rewriting this constraint as |
| 2563 | * |
| 2564 | * 0 >= -b - g(x) |
| 2565 | * |
| 2566 | * adding a + f(x) to both sides and dividing by d, we obtain |
| 2567 | * |
| 2568 | * (a + f(x))/d >= (a-b)/d + (f(x)-g(x))/d |
| 2569 | * |
| 2570 | * Taking the floor on both sides, we obtain |
| 2571 | * |
| 2572 | * q >= floor((a-b)/d) + (f(x)-g(x))/d |
| 2573 | * |
| 2574 | * or |
| 2575 | * |
| 2576 | * (g(x)-f(x))/d + ceil((b-a)/d) + q >= 0 |
| 2577 | * |
| 2578 | * In the case of an upper bound, we construct the constraint |
| 2579 | * |
| 2580 | * (g(x)+f(x))/d + floor((b+a)/d) - q >= 0 |
| 2581 | * |
| 2582 | */ |
| 2583 | static __isl_give isl_basic_map *insert_bounds_on_div_from_ineq( |
| 2584 | __isl_take isl_basic_map *bmap, int div, int i, |
| 2585 | unsigned total, isl_int v, int lb, int ub) |
| 2586 | { |
| 2587 | int j; |
| 2588 | |
| 2589 | for (j = 0; (lb || ub) && j < total + bmap->n_div; ++j) { |
| 2590 | if (lb) { |
| 2591 | isl_int_sub(v, bmap->ineq[i][1 + j],isl_sioimath_sub((v), *(bmap->ineq[i][1 + j]), *(bmap-> div[div][1 + 1 + j])) |
| 2592 | bmap->div[div][1 + 1 + j])isl_sioimath_sub((v), *(bmap->ineq[i][1 + j]), *(bmap-> div[div][1 + 1 + j])); |
| 2593 | lb = isl_int_is_divisible_by(v, bmap->div[div][0])isl_sioimath_is_divisible_by(*(v), *(bmap->div[div][0])); |
| 2594 | } |
| 2595 | if (ub) { |
| 2596 | isl_int_add(v, bmap->ineq[i][1 + j],isl_sioimath_add((v), *(bmap->ineq[i][1 + j]), *(bmap-> div[div][1 + 1 + j])) |
| 2597 | bmap->div[div][1 + 1 + j])isl_sioimath_add((v), *(bmap->ineq[i][1 + j]), *(bmap-> div[div][1 + 1 + j])); |
| 2598 | ub = isl_int_is_divisible_by(v, bmap->div[div][0])isl_sioimath_is_divisible_by(*(v), *(bmap->div[div][0])); |
| 2599 | } |
| 2600 | } |
| 2601 | if (!lb && !ub) |
| 2602 | return bmap; |
| 2603 | |
| 2604 | bmap = isl_basic_map_cow(bmap); |
| 2605 | bmap = isl_basic_map_extend_constraints(bmap, 0, lb + ub); |
| 2606 | if (lb) { |
| 2607 | int k = isl_basic_map_alloc_inequality(bmap); |
| 2608 | if (k < 0) |
| 2609 | goto error; |
| 2610 | for (j = 0; j < 1 + total + bmap->n_div; ++j) { |
| 2611 | isl_int_sub(bmap->ineq[k][j], bmap->ineq[i][j],isl_sioimath_sub((bmap->ineq[k][j]), *(bmap->ineq[i][j] ), *(bmap->div[div][1 + j])) |
| 2612 | bmap->div[div][1 + j])isl_sioimath_sub((bmap->ineq[k][j]), *(bmap->ineq[i][j] ), *(bmap->div[div][1 + j])); |
| 2613 | isl_int_cdiv_q(bmap->ineq[k][j],isl_sioimath_cdiv_q((bmap->ineq[k][j]), *(bmap->ineq[k] [j]), *(bmap->div[div][0])) |
| 2614 | bmap->ineq[k][j], bmap->div[div][0])isl_sioimath_cdiv_q((bmap->ineq[k][j]), *(bmap->ineq[k] [j]), *(bmap->div[div][0])); |
| 2615 | } |
| 2616 | isl_int_set_si(bmap->ineq[k][1 + total + div], 1)isl_sioimath_set_si((bmap->ineq[k][1 + total + div]), 1); |
| 2617 | } |
| 2618 | if (ub) { |
| 2619 | int k = isl_basic_map_alloc_inequality(bmap); |
| 2620 | if (k < 0) |
| 2621 | goto error; |
| 2622 | for (j = 0; j < 1 + total + bmap->n_div; ++j) { |
| 2623 | isl_int_add(bmap->ineq[k][j], bmap->ineq[i][j],isl_sioimath_add((bmap->ineq[k][j]), *(bmap->ineq[i][j] ), *(bmap->div[div][1 + j])) |
| 2624 | bmap->div[div][1 + j])isl_sioimath_add((bmap->ineq[k][j]), *(bmap->ineq[i][j] ), *(bmap->div[div][1 + j])); |
| 2625 | isl_int_fdiv_q(bmap->ineq[k][j],isl_sioimath_fdiv_q((bmap->ineq[k][j]), *(bmap->ineq[k] [j]), *(bmap->div[div][0])) |
| 2626 | bmap->ineq[k][j], bmap->div[div][0])isl_sioimath_fdiv_q((bmap->ineq[k][j]), *(bmap->ineq[k] [j]), *(bmap->div[div][0])); |
| 2627 | } |
| 2628 | isl_int_set_si(bmap->ineq[k][1 + total + div], -1)isl_sioimath_set_si((bmap->ineq[k][1 + total + div]), -1); |
| 2629 | } |
| 2630 | |
| 2631 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 2632 | return bmap; |
| 2633 | error: |
| 2634 | isl_basic_map_free(bmap); |
| 2635 | return NULL((void*)0); |
| 2636 | } |
| 2637 | |
| 2638 | /* This function is called right before "div" is eliminated from "bmap" |
| 2639 | * using Fourier-Motzkin. |
| 2640 | * Look through the constraints of "bmap" for constraints on the argument |
| 2641 | * of the integer division and use them to construct constraints on the |
| 2642 | * integer division itself. These constraints can then be combined |
| 2643 | * during the Fourier-Motzkin elimination. |
| 2644 | * Note that it is only useful to introduce lower bounds on "div" |
| 2645 | * if "bmap" already contains upper bounds on "div" as the newly |
| 2646 | * introduce lower bounds can then be combined with the pre-existing |
| 2647 | * upper bounds. Similarly for upper bounds. |
| 2648 | * We therefore first check if "bmap" contains any lower and/or upper bounds |
| 2649 | * on "div". |
| 2650 | * |
| 2651 | * It is interesting to note that the introduction of these constraints |
| 2652 | * can indeed lead to more accurate results, even when compared to |
| 2653 | * deriving constraints on the argument of "div" from constraints on "div". |
| 2654 | * Consider, for example, the set |
| 2655 | * |
| 2656 | * { [i,j,k] : 3 + i + 2j >= 0 and 2 * [(i+2j)/4] <= k } |
| 2657 | * |
| 2658 | * The second constraint can be rewritten as |
| 2659 | * |
| 2660 | * 2 * [(-i-2j+3)/4] + k >= 0 |
| 2661 | * |
| 2662 | * from which we can derive |
| 2663 | * |
| 2664 | * -i - 2j + 3 >= -2k |
| 2665 | * |
| 2666 | * or |
| 2667 | * |
| 2668 | * i + 2j <= 3 + 2k |
| 2669 | * |
| 2670 | * Combined with the first constraint, we obtain |
| 2671 | * |
| 2672 | * -3 <= 3 + 2k or k >= -3 |
| 2673 | * |
| 2674 | * If, on the other hand we derive a constraint on [(i+2j)/4] from |
| 2675 | * the first constraint, we obtain |
| 2676 | * |
| 2677 | * [(i + 2j)/4] >= [-3/4] = -1 |
| 2678 | * |
| 2679 | * Combining this constraint with the second constraint, we obtain |
| 2680 | * |
| 2681 | * k >= -2 |
| 2682 | */ |
| 2683 | static __isl_give isl_basic_map *insert_bounds_on_div( |
| 2684 | __isl_take isl_basic_map *bmap, int div) |
| 2685 | { |
| 2686 | int i; |
| 2687 | int check_lb, check_ub; |
| 2688 | isl_int v; |
| 2689 | unsigned total; |
| 2690 | |
| 2691 | if (!bmap) |
| 2692 | return NULL((void*)0); |
| 2693 | |
| 2694 | if (isl_int_is_zero(bmap->div[div][0])(isl_sioimath_sgn(*(bmap->div[div][0])) == 0)) |
| 2695 | return bmap; |
| 2696 | |
| 2697 | total = isl_space_dim(bmap->dim, isl_dim_all); |
| 2698 | |
| 2699 | check_lb = 0; |
| 2700 | check_ub = 0; |
| 2701 | for (i = 0; (!check_lb || !check_ub) && i < bmap->n_ineq; ++i) { |
| 2702 | int s = isl_int_sgn(bmap->ineq[i][1 + total + div])isl_sioimath_sgn(*(bmap->ineq[i][1 + total + div])); |
| 2703 | if (s > 0) |
| 2704 | check_ub = 1; |
| 2705 | if (s < 0) |
| 2706 | check_lb = 1; |
| 2707 | } |
| 2708 | |
| 2709 | if (!check_lb && !check_ub) |
| 2710 | return bmap; |
| 2711 | |
| 2712 | isl_int_init(v)isl_sioimath_init((v)); |
| 2713 | |
| 2714 | for (i = 0; bmap && i < bmap->n_ineq; ++i) { |
| 2715 | if (!isl_int_is_zero(bmap->ineq[i][1 + total + div])(isl_sioimath_sgn(*(bmap->ineq[i][1 + total + div])) == 0)) |
| 2716 | continue; |
| 2717 | |
| 2718 | bmap = insert_bounds_on_div_from_ineq(bmap, div, i, total, v, |
| 2719 | check_lb, check_ub); |
| 2720 | } |
| 2721 | |
| 2722 | isl_int_clear(v)isl_sioimath_clear((v)); |
| 2723 | |
| 2724 | return bmap; |
| 2725 | } |
| 2726 | |
| 2727 | /* Remove all divs (recursively) involving any of the given dimensions |
| 2728 | * in their definitions. |
| 2729 | */ |
| 2730 | __isl_give isl_basic_map *isl_basic_map_remove_divs_involving_dims( |
| 2731 | __isl_take isl_basic_map *bmap, |
| 2732 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2733 | { |
| 2734 | int i; |
| 2735 | |
| 2736 | if (isl_basic_map_check_range(bmap, type, first, n) < 0) |
| 2737 | return isl_basic_map_free(bmap); |
| 2738 | first += isl_basic_map_offset(bmap, type); |
| 2739 | |
| 2740 | for (i = bmap->n_div - 1; i >= 0; --i) { |
| 2741 | isl_bool involves; |
| 2742 | |
| 2743 | involves = div_involves_vars(bmap, i, first, n); |
| 2744 | if (involves < 0) |
| 2745 | return isl_basic_map_free(bmap); |
| 2746 | if (!involves) |
| 2747 | continue; |
| 2748 | bmap = insert_bounds_on_div(bmap, i); |
| 2749 | bmap = isl_basic_map_remove_dims(bmap, isl_dim_div, i, 1); |
| 2750 | if (!bmap) |
| 2751 | return NULL((void*)0); |
| 2752 | i = bmap->n_div; |
| 2753 | } |
| 2754 | |
| 2755 | return bmap; |
| 2756 | } |
| 2757 | |
| 2758 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_remove_divs_involving_dims( |
| 2759 | __isl_take isl_basic_setisl_basic_map *bset, |
| 2760 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2761 | { |
| 2762 | return isl_basic_map_remove_divs_involving_dims(bset, type, first, n); |
| 2763 | } |
| 2764 | |
| 2765 | __isl_give isl_map *isl_map_remove_divs_involving_dims(__isl_take isl_map *map, |
| 2766 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2767 | { |
| 2768 | int i; |
| 2769 | |
| 2770 | if (!map) |
| 2771 | return NULL((void*)0); |
| 2772 | if (map->n == 0) |
| 2773 | return map; |
| 2774 | |
| 2775 | map = isl_map_cow(map); |
| 2776 | if (!map) |
| 2777 | return NULL((void*)0); |
| 2778 | |
| 2779 | for (i = 0; i < map->n; ++i) { |
| 2780 | map->p[i] = isl_basic_map_remove_divs_involving_dims(map->p[i], |
| 2781 | type, first, n); |
| 2782 | if (!map->p[i]) |
| 2783 | goto error; |
| 2784 | } |
| 2785 | return map; |
| 2786 | error: |
| 2787 | isl_map_free(map); |
| 2788 | return NULL((void*)0); |
| 2789 | } |
| 2790 | |
| 2791 | __isl_give isl_setisl_map *isl_set_remove_divs_involving_dims(__isl_take isl_setisl_map *set, |
| 2792 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2793 | { |
| 2794 | return set_from_map(isl_map_remove_divs_involving_dims(set_to_map(set), |
| 2795 | type, first, n)); |
| 2796 | } |
| 2797 | |
| 2798 | /* Does the description of "bmap" depend on the specified dimensions? |
| 2799 | * We also check whether the dimensions appear in any of the div definitions. |
| 2800 | * In principle there is no need for this check. If the dimensions appear |
| 2801 | * in a div definition, they also appear in the defining constraints of that |
| 2802 | * div. |
| 2803 | */ |
| 2804 | isl_bool isl_basic_map_involves_dims(__isl_keep isl_basic_map *bmap, |
| 2805 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2806 | { |
| 2807 | int i; |
| 2808 | |
| 2809 | if (isl_basic_map_check_range(bmap, type, first, n) < 0) |
| 2810 | return isl_bool_error; |
| 2811 | |
| 2812 | first += isl_basic_map_offset(bmap, type); |
| 2813 | for (i = 0; i < bmap->n_eq; ++i) |
| 2814 | if (isl_seq_first_non_zero(bmap->eq[i] + first, n) >= 0) |
| 2815 | return isl_bool_true; |
| 2816 | for (i = 0; i < bmap->n_ineq; ++i) |
| 2817 | if (isl_seq_first_non_zero(bmap->ineq[i] + first, n) >= 0) |
| 2818 | return isl_bool_true; |
| 2819 | for (i = 0; i < bmap->n_div; ++i) { |
| 2820 | if (isl_int_is_zero(bmap->div[i][0])(isl_sioimath_sgn(*(bmap->div[i][0])) == 0)) |
| 2821 | continue; |
| 2822 | if (isl_seq_first_non_zero(bmap->div[i] + 1 + first, n) >= 0) |
| 2823 | return isl_bool_true; |
| 2824 | } |
| 2825 | |
| 2826 | return isl_bool_false; |
| 2827 | } |
| 2828 | |
| 2829 | isl_bool isl_map_involves_dims(__isl_keep isl_map *map, |
| 2830 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2831 | { |
| 2832 | int i; |
| 2833 | |
| 2834 | if (isl_map_check_range(map, type, first, n) < 0) |
| 2835 | return isl_bool_error; |
| 2836 | |
| 2837 | for (i = 0; i < map->n; ++i) { |
| 2838 | isl_bool involves = isl_basic_map_involves_dims(map->p[i], |
| 2839 | type, first, n); |
| 2840 | if (involves < 0 || involves) |
| 2841 | return involves; |
| 2842 | } |
| 2843 | |
| 2844 | return isl_bool_false; |
| 2845 | } |
| 2846 | |
| 2847 | isl_bool isl_basic_set_involves_dims(__isl_keep isl_basic_setisl_basic_map *bset, |
| 2848 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2849 | { |
| 2850 | return isl_basic_map_involves_dims(bset, type, first, n); |
| 2851 | } |
| 2852 | |
| 2853 | isl_bool isl_set_involves_dims(__isl_keep isl_setisl_map *set, |
| 2854 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2855 | { |
| 2856 | return isl_map_involves_dims(set, type, first, n); |
| 2857 | } |
| 2858 | |
| 2859 | /* Drop all constraints in bmap that involve any of the dimensions |
| 2860 | * first to first+n-1. |
| 2861 | */ |
| 2862 | static __isl_give isl_basic_map *isl_basic_map_drop_constraints_involving( |
| 2863 | __isl_take isl_basic_map *bmap, unsigned first, unsigned n) |
| 2864 | { |
| 2865 | int i; |
| 2866 | |
| 2867 | if (n == 0) |
| 2868 | return bmap; |
| 2869 | |
| 2870 | bmap = isl_basic_map_cow(bmap); |
| 2871 | |
| 2872 | if (!bmap) |
| 2873 | return NULL((void*)0); |
| 2874 | |
| 2875 | for (i = bmap->n_eq - 1; i >= 0; --i) { |
| 2876 | if (isl_seq_first_non_zero(bmap->eq[i] + 1 + first, n) == -1) |
| 2877 | continue; |
| 2878 | isl_basic_map_drop_equality(bmap, i); |
| 2879 | } |
| 2880 | |
| 2881 | for (i = bmap->n_ineq - 1; i >= 0; --i) { |
| 2882 | if (isl_seq_first_non_zero(bmap->ineq[i] + 1 + first, n) == -1) |
| 2883 | continue; |
| 2884 | isl_basic_map_drop_inequality(bmap, i); |
| 2885 | } |
| 2886 | |
| 2887 | bmap = isl_basic_map_add_known_div_constraints(bmap); |
| 2888 | return bmap; |
| 2889 | } |
| 2890 | |
| 2891 | /* Drop all constraints in bset that involve any of the dimensions |
| 2892 | * first to first+n-1. |
| 2893 | */ |
| 2894 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_drop_constraints_involving( |
| 2895 | __isl_take isl_basic_setisl_basic_map *bset, unsigned first, unsigned n) |
| 2896 | { |
| 2897 | return isl_basic_map_drop_constraints_involving(bset, first, n); |
| 2898 | } |
| 2899 | |
| 2900 | /* Drop all constraints in bmap that do not involve any of the dimensions |
| 2901 | * first to first + n - 1 of the given type. |
| 2902 | */ |
| 2903 | __isl_give isl_basic_map *isl_basic_map_drop_constraints_not_involving_dims( |
| 2904 | __isl_take isl_basic_map *bmap, |
| 2905 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2906 | { |
| 2907 | int i; |
| 2908 | |
| 2909 | if (n == 0) { |
| 2910 | isl_space *space = isl_basic_map_get_space(bmap); |
| 2911 | isl_basic_map_free(bmap); |
| 2912 | return isl_basic_map_universe(space); |
| 2913 | } |
| 2914 | bmap = isl_basic_map_cow(bmap); |
| 2915 | if (!bmap) |
| 2916 | return NULL((void*)0); |
| 2917 | |
| 2918 | if (isl_basic_map_check_range(bmap, type, first, n) < 0) |
| 2919 | return isl_basic_map_free(bmap); |
| 2920 | |
| 2921 | first += isl_basic_map_offset(bmap, type) - 1; |
| 2922 | |
| 2923 | for (i = bmap->n_eq - 1; i >= 0; --i) { |
| 2924 | if (isl_seq_first_non_zero(bmap->eq[i] + 1 + first, n) != -1) |
| 2925 | continue; |
| 2926 | isl_basic_map_drop_equality(bmap, i); |
| 2927 | } |
| 2928 | |
| 2929 | for (i = bmap->n_ineq - 1; i >= 0; --i) { |
| 2930 | if (isl_seq_first_non_zero(bmap->ineq[i] + 1 + first, n) != -1) |
| 2931 | continue; |
| 2932 | isl_basic_map_drop_inequality(bmap, i); |
| 2933 | } |
| 2934 | |
| 2935 | bmap = isl_basic_map_add_known_div_constraints(bmap); |
| 2936 | return bmap; |
| 2937 | } |
| 2938 | |
| 2939 | /* Drop all constraints in bset that do not involve any of the dimensions |
| 2940 | * first to first + n - 1 of the given type. |
| 2941 | */ |
| 2942 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_drop_constraints_not_involving_dims( |
| 2943 | __isl_take isl_basic_setisl_basic_map *bset, |
| 2944 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2945 | { |
| 2946 | return isl_basic_map_drop_constraints_not_involving_dims(bset, |
| 2947 | type, first, n); |
| 2948 | } |
| 2949 | |
| 2950 | /* Drop all constraints in bmap that involve any of the dimensions |
| 2951 | * first to first + n - 1 of the given type. |
| 2952 | */ |
| 2953 | __isl_give isl_basic_map *isl_basic_map_drop_constraints_involving_dims( |
| 2954 | __isl_take isl_basic_map *bmap, |
| 2955 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2956 | { |
| 2957 | if (!bmap) |
| 2958 | return NULL((void*)0); |
| 2959 | if (n == 0) |
| 2960 | return bmap; |
| 2961 | |
| 2962 | if (isl_basic_map_check_range(bmap, type, first, n) < 0) |
| 2963 | return isl_basic_map_free(bmap); |
| 2964 | |
| 2965 | bmap = isl_basic_map_remove_divs_involving_dims(bmap, type, first, n); |
| 2966 | first += isl_basic_map_offset(bmap, type) - 1; |
| 2967 | return isl_basic_map_drop_constraints_involving(bmap, first, n); |
| 2968 | } |
| 2969 | |
| 2970 | /* Drop all constraints in bset that involve any of the dimensions |
| 2971 | * first to first + n - 1 of the given type. |
| 2972 | */ |
| 2973 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_drop_constraints_involving_dims( |
| 2974 | __isl_take isl_basic_setisl_basic_map *bset, |
| 2975 | enum isl_dim_type type, unsigned first, unsigned n) |
| 2976 | { |
| 2977 | return isl_basic_map_drop_constraints_involving_dims(bset, |
| 2978 | type, first, n); |
| 2979 | } |
| 2980 | |
| 2981 | /* Drop constraints from "map" by applying "drop" to each basic map. |
| 2982 | */ |
| 2983 | static __isl_give isl_map *drop_constraints(__isl_take isl_map *map, |
| 2984 | enum isl_dim_type type, unsigned first, unsigned n, |
| 2985 | __isl_give isl_basic_map *(*drop)(__isl_take isl_basic_map *bmap, |
| 2986 | enum isl_dim_type type, unsigned first, unsigned n)) |
| 2987 | { |
| 2988 | int i; |
| 2989 | |
| 2990 | if (isl_map_check_range(map, type, first, n) < 0) |
| 2991 | return isl_map_free(map); |
| 2992 | |
| 2993 | map = isl_map_cow(map); |
| 2994 | if (!map) |
| 2995 | return NULL((void*)0); |
| 2996 | |
| 2997 | for (i = 0; i < map->n; ++i) { |
| 2998 | map->p[i] = drop(map->p[i], type, first, n); |
| 2999 | if (!map->p[i]) |
| 3000 | return isl_map_free(map); |
| 3001 | } |
| 3002 | |
| 3003 | if (map->n > 1) |
| 3004 | ISL_F_CLR(map, ISL_MAP_DISJOINT)(((map)->flags) &= ~((1 << 0))); |
| 3005 | |
| 3006 | return map; |
| 3007 | } |
| 3008 | |
| 3009 | /* Drop all constraints in map that involve any of the dimensions |
| 3010 | * first to first + n - 1 of the given type. |
| 3011 | */ |
| 3012 | __isl_give isl_map *isl_map_drop_constraints_involving_dims( |
| 3013 | __isl_take isl_map *map, |
| 3014 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3015 | { |
| 3016 | if (n == 0) |
| 3017 | return map; |
| 3018 | return drop_constraints(map, type, first, n, |
| 3019 | &isl_basic_map_drop_constraints_involving_dims); |
| 3020 | } |
| 3021 | |
| 3022 | /* Drop all constraints in "map" that do not involve any of the dimensions |
| 3023 | * first to first + n - 1 of the given type. |
| 3024 | */ |
| 3025 | __isl_give isl_map *isl_map_drop_constraints_not_involving_dims( |
| 3026 | __isl_take isl_map *map, |
| 3027 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3028 | { |
| 3029 | if (n == 0) { |
| 3030 | isl_space *space = isl_map_get_space(map); |
| 3031 | isl_map_free(map); |
| 3032 | return isl_map_universe(space); |
| 3033 | } |
| 3034 | return drop_constraints(map, type, first, n, |
| 3035 | &isl_basic_map_drop_constraints_not_involving_dims); |
| 3036 | } |
| 3037 | |
| 3038 | /* Drop all constraints in set that involve any of the dimensions |
| 3039 | * first to first + n - 1 of the given type. |
| 3040 | */ |
| 3041 | __isl_give isl_setisl_map *isl_set_drop_constraints_involving_dims( |
| 3042 | __isl_take isl_setisl_map *set, |
| 3043 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3044 | { |
| 3045 | return isl_map_drop_constraints_involving_dims(set, type, first, n); |
| 3046 | } |
| 3047 | |
| 3048 | /* Drop all constraints in "set" that do not involve any of the dimensions |
| 3049 | * first to first + n - 1 of the given type. |
| 3050 | */ |
| 3051 | __isl_give isl_setisl_map *isl_set_drop_constraints_not_involving_dims( |
| 3052 | __isl_take isl_setisl_map *set, |
| 3053 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3054 | { |
| 3055 | return isl_map_drop_constraints_not_involving_dims(set, type, first, n); |
| 3056 | } |
| 3057 | |
| 3058 | /* Does local variable "div" of "bmap" have a complete explicit representation? |
| 3059 | * Having a complete explicit representation requires not only |
| 3060 | * an explicit representation, but also that all local variables |
| 3061 | * that appear in this explicit representation in turn have |
| 3062 | * a complete explicit representation. |
| 3063 | */ |
| 3064 | isl_bool isl_basic_map_div_is_known(__isl_keep isl_basic_map *bmap, int div) |
| 3065 | { |
| 3066 | int i; |
| 3067 | unsigned div_offset = isl_basic_map_offset(bmap, isl_dim_div); |
| 3068 | isl_bool marked; |
| 3069 | |
| 3070 | marked = isl_basic_map_div_is_marked_unknown(bmap, div); |
| 3071 | if (marked < 0 || marked) |
| 3072 | return isl_bool_not(marked); |
| 3073 | |
| 3074 | for (i = bmap->n_div - 1; i >= 0; --i) { |
| 3075 | isl_bool known; |
| 3076 | |
| 3077 | if (isl_int_is_zero(bmap->div[div][1 + div_offset + i])(isl_sioimath_sgn(*(bmap->div[div][1 + div_offset + i])) == 0)) |
| 3078 | continue; |
| 3079 | known = isl_basic_map_div_is_known(bmap, i); |
| 3080 | if (known < 0 || !known) |
| 3081 | return known; |
| 3082 | } |
| 3083 | |
| 3084 | return isl_bool_true; |
| 3085 | } |
| 3086 | |
| 3087 | /* Remove all divs that are unknown or defined in terms of unknown divs. |
| 3088 | */ |
| 3089 | __isl_give isl_basic_map *isl_basic_map_remove_unknown_divs( |
| 3090 | __isl_take isl_basic_map *bmap) |
| 3091 | { |
| 3092 | int i; |
| 3093 | |
| 3094 | if (!bmap) |
| 3095 | return NULL((void*)0); |
| 3096 | |
| 3097 | for (i = bmap->n_div - 1; i >= 0; --i) { |
| 3098 | if (isl_basic_map_div_is_known(bmap, i)) |
| 3099 | continue; |
| 3100 | bmap = isl_basic_map_remove_dims(bmap, isl_dim_div, i, 1); |
| 3101 | if (!bmap) |
| 3102 | return NULL((void*)0); |
| 3103 | i = bmap->n_div; |
| 3104 | } |
| 3105 | |
| 3106 | return bmap; |
| 3107 | } |
| 3108 | |
| 3109 | /* Remove all divs that are unknown or defined in terms of unknown divs. |
| 3110 | */ |
| 3111 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_remove_unknown_divs( |
| 3112 | __isl_take isl_basic_setisl_basic_map *bset) |
| 3113 | { |
| 3114 | return isl_basic_map_remove_unknown_divs(bset); |
| 3115 | } |
| 3116 | |
| 3117 | __isl_give isl_map *isl_map_remove_unknown_divs(__isl_take isl_map *map) |
| 3118 | { |
| 3119 | int i; |
| 3120 | |
| 3121 | if (!map) |
| 3122 | return NULL((void*)0); |
| 3123 | if (map->n == 0) |
| 3124 | return map; |
| 3125 | |
| 3126 | map = isl_map_cow(map); |
| 3127 | if (!map) |
| 3128 | return NULL((void*)0); |
| 3129 | |
| 3130 | for (i = 0; i < map->n; ++i) { |
| 3131 | map->p[i] = isl_basic_map_remove_unknown_divs(map->p[i]); |
| 3132 | if (!map->p[i]) |
| 3133 | goto error; |
| 3134 | } |
| 3135 | return map; |
| 3136 | error: |
| 3137 | isl_map_free(map); |
| 3138 | return NULL((void*)0); |
| 3139 | } |
| 3140 | |
| 3141 | __isl_give isl_setisl_map *isl_set_remove_unknown_divs(__isl_take isl_setisl_map *set) |
| 3142 | { |
| 3143 | return set_from_map(isl_map_remove_unknown_divs(set_to_map(set))); |
| 3144 | } |
| 3145 | |
| 3146 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_remove_dims( |
| 3147 | __isl_take isl_basic_setisl_basic_map *bset, |
| 3148 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3149 | { |
| 3150 | isl_basic_map *bmap = bset_to_bmap(bset); |
| 3151 | bmap = isl_basic_map_remove_dims(bmap, type, first, n); |
| 3152 | return bset_from_bmap(bmap); |
| 3153 | } |
| 3154 | |
| 3155 | __isl_give isl_map *isl_map_remove_dims(__isl_take isl_map *map, |
| 3156 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3157 | { |
| 3158 | int i; |
| 3159 | |
| 3160 | if (n == 0) |
| 3161 | return map; |
| 3162 | |
| 3163 | map = isl_map_cow(map); |
| 3164 | if (isl_map_check_range(map, type, first, n) < 0) |
| 3165 | return isl_map_free(map); |
| 3166 | |
| 3167 | for (i = 0; i < map->n; ++i) { |
| 3168 | map->p[i] = isl_basic_map_eliminate_vars(map->p[i], |
| 3169 | isl_basic_map_offset(map->p[i], type) - 1 + first, n); |
| 3170 | if (!map->p[i]) |
| 3171 | goto error; |
| 3172 | } |
| 3173 | map = isl_map_drop(map, type, first, n); |
| 3174 | return map; |
| 3175 | error: |
| 3176 | isl_map_free(map); |
| 3177 | return NULL((void*)0); |
| 3178 | } |
| 3179 | |
| 3180 | __isl_give isl_setisl_map *isl_set_remove_dims(__isl_take isl_setisl_map *bset, |
| 3181 | enum isl_dim_type type, unsigned first, unsigned n) |
| 3182 | { |
| 3183 | return set_from_map(isl_map_remove_dims(set_to_map(bset), |
| 3184 | type, first, n)); |
| 3185 | } |
| 3186 | |
| 3187 | /* Project out n inputs starting at first using Fourier-Motzkin */ |
| 3188 | struct isl_map *isl_map_remove_inputs(struct isl_map *map, |
| 3189 | unsigned first, unsigned n) |
| 3190 | { |
| 3191 | return isl_map_remove_dims(map, isl_dim_in, first, n); |
| 3192 | } |
| 3193 | |
| 3194 | static void dump_term(struct isl_basic_map *bmap, |
| 3195 | isl_int c, int pos, FILE *out) |
| 3196 | { |
| 3197 | const char *name; |
| 3198 | unsigned in = isl_basic_map_dim(bmap, isl_dim_in); |
| 3199 | unsigned dim = in + isl_basic_map_dim(bmap, isl_dim_out); |
| 3200 | unsigned nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 3201 | if (!pos) |
| 3202 | isl_int_print(out, c, 0)isl_sioimath_print(out, *(c), 0); |
| 3203 | else { |
| 3204 | if (!isl_int_is_one(c)(isl_sioimath_cmp_si(*(c), 1) == 0)) |
| 3205 | isl_int_print(out, c, 0)isl_sioimath_print(out, *(c), 0); |
| 3206 | if (pos < 1 + nparam) { |
| 3207 | name = isl_space_get_dim_name(bmap->dim, |
| 3208 | isl_dim_param, pos - 1); |
| 3209 | if (name) |
| 3210 | fprintf(out, "%s", name); |
| 3211 | else |
| 3212 | fprintf(out, "p%d", pos - 1); |
| 3213 | } else if (pos < 1 + nparam + in) |
| 3214 | fprintf(out, "i%d", pos - 1 - nparam); |
| 3215 | else if (pos < 1 + nparam + dim) |
| 3216 | fprintf(out, "o%d", pos - 1 - nparam - in); |
| 3217 | else |
| 3218 | fprintf(out, "e%d", pos - 1 - nparam - dim); |
| 3219 | } |
| 3220 | } |
| 3221 | |
| 3222 | static void dump_constraint_sign(struct isl_basic_map *bmap, isl_int *c, |
| 3223 | int sign, FILE *out) |
| 3224 | { |
| 3225 | int i; |
| 3226 | int first; |
| 3227 | unsigned len = 1 + isl_basic_map_total_dim(bmap); |
| 3228 | isl_int v; |
| 3229 | |
| 3230 | isl_int_init(v)isl_sioimath_init((v)); |
| 3231 | for (i = 0, first = 1; i < len; ++i) { |
| 3232 | if (isl_int_sgn(c[i])isl_sioimath_sgn(*(c[i])) * sign <= 0) |
| 3233 | continue; |
| 3234 | if (!first) |
| 3235 | fprintf(out, " + "); |
| 3236 | first = 0; |
| 3237 | isl_int_abs(v, c[i])isl_sioimath_abs((v), *(c[i])); |
| 3238 | dump_term(bmap, v, i, out); |
| 3239 | } |
| 3240 | isl_int_clear(v)isl_sioimath_clear((v)); |
| 3241 | if (first) |
| 3242 | fprintf(out, "0"); |
| 3243 | } |
| 3244 | |
| 3245 | static void dump_constraint(struct isl_basic_map *bmap, isl_int *c, |
| 3246 | const char *op, FILE *out, int indent) |
| 3247 | { |
| 3248 | int i; |
| 3249 | |
| 3250 | fprintf(out, "%*s", indent, ""); |
| 3251 | |
| 3252 | dump_constraint_sign(bmap, c, 1, out); |
| 3253 | fprintf(out, " %s ", op); |
| 3254 | dump_constraint_sign(bmap, c, -1, out); |
| 3255 | |
| 3256 | fprintf(out, "\n"); |
| 3257 | |
| 3258 | for (i = bmap->n_div; i < bmap->extra; ++i) { |
| 3259 | if (isl_int_is_zero(c[1+isl_space_dim(bmap->dim, isl_dim_all)+i])(isl_sioimath_sgn(*(c[1+isl_space_dim(bmap->dim, isl_dim_all )+i])) == 0)) |
| 3260 | continue; |
| 3261 | fprintf(out, "%*s", indent, ""); |
| 3262 | fprintf(out, "ERROR: unused div coefficient not zero\n"); |
| 3263 | abort(); |
| 3264 | } |
| 3265 | } |
| 3266 | |
| 3267 | static void dump_constraints(struct isl_basic_map *bmap, |
| 3268 | isl_int **c, unsigned n, |
| 3269 | const char *op, FILE *out, int indent) |
| 3270 | { |
| 3271 | int i; |
| 3272 | |
| 3273 | for (i = 0; i < n; ++i) |
| 3274 | dump_constraint(bmap, c[i], op, out, indent); |
| 3275 | } |
| 3276 | |
| 3277 | static void dump_affine(struct isl_basic_map *bmap, isl_int *exp, FILE *out) |
| 3278 | { |
| 3279 | int j; |
| 3280 | int first = 1; |
| 3281 | unsigned total = isl_basic_map_total_dim(bmap); |
| 3282 | |
| 3283 | for (j = 0; j < 1 + total; ++j) { |
| 3284 | if (isl_int_is_zero(exp[j])(isl_sioimath_sgn(*(exp[j])) == 0)) |
| 3285 | continue; |
| 3286 | if (!first && isl_int_is_pos(exp[j])(isl_sioimath_sgn(*(exp[j])) > 0)) |
| 3287 | fprintf(out, "+"); |
| 3288 | dump_term(bmap, exp[j], j, out); |
| 3289 | first = 0; |
| 3290 | } |
| 3291 | } |
| 3292 | |
| 3293 | static void dump(struct isl_basic_map *bmap, FILE *out, int indent) |
| 3294 | { |
| 3295 | int i; |
| 3296 | |
| 3297 | dump_constraints(bmap, bmap->eq, bmap->n_eq, "=", out, indent); |
| 3298 | dump_constraints(bmap, bmap->ineq, bmap->n_ineq, ">=", out, indent); |
| 3299 | |
| 3300 | for (i = 0; i < bmap->n_div; ++i) { |
| 3301 | fprintf(out, "%*s", indent, ""); |
| 3302 | fprintf(out, "e%d = [(", i); |
| 3303 | dump_affine(bmap, bmap->div[i]+1, out); |
| 3304 | fprintf(out, ")/"); |
| 3305 | isl_int_print(out, bmap->div[i][0], 0)isl_sioimath_print(out, *(bmap->div[i][0]), 0); |
| 3306 | fprintf(out, "]\n"); |
| 3307 | } |
| 3308 | } |
| 3309 | |
| 3310 | void isl_basic_set_print_internal(struct isl_basic_setisl_basic_map *bset, |
| 3311 | FILE *out, int indent) |
| 3312 | { |
| 3313 | if (!bset) { |
| 3314 | fprintf(out, "null basic set\n"); |
| 3315 | return; |
| 3316 | } |
| 3317 | |
| 3318 | fprintf(out, "%*s", indent, ""); |
| 3319 | fprintf(out, "ref: %d, nparam: %d, dim: %d, extra: %d, flags: %x\n", |
| 3320 | bset->ref, bset->dim->nparam, bset->dim->n_out, |
| 3321 | bset->extra, bset->flags); |
| 3322 | dump(bset_to_bmap(bset), out, indent); |
| 3323 | } |
| 3324 | |
| 3325 | void isl_basic_map_print_internal(struct isl_basic_map *bmap, |
| 3326 | FILE *out, int indent) |
| 3327 | { |
| 3328 | if (!bmap) { |
| 3329 | fprintf(out, "null basic map\n"); |
| 3330 | return; |
| 3331 | } |
| 3332 | |
| 3333 | fprintf(out, "%*s", indent, ""); |
| 3334 | fprintf(out, "ref: %d, nparam: %d, in: %d, out: %d, extra: %d, " |
| 3335 | "flags: %x, n_name: %d\n", |
| 3336 | bmap->ref, |
| 3337 | bmap->dim->nparam, bmap->dim->n_in, bmap->dim->n_out, |
| 3338 | bmap->extra, bmap->flags, bmap->dim->n_id); |
| 3339 | dump(bmap, out, indent); |
| 3340 | } |
| 3341 | |
| 3342 | int isl_inequality_negate(struct isl_basic_map *bmap, unsigned pos) |
| 3343 | { |
| 3344 | unsigned total; |
| 3345 | if (!bmap) |
| 3346 | return -1; |
| 3347 | total = isl_basic_map_total_dim(bmap); |
| 3348 | isl_assert(bmap->ctx, pos < bmap->n_ineq, return -1)do { if (pos < bmap->n_ineq) break; do { isl_handle_error (bmap->ctx, isl_error_unknown, "Assertion \"" "pos < bmap->n_ineq" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3348); return -1; } while (0); } while (0); |
| 3349 | isl_seq_neg(bmap->ineq[pos], bmap->ineq[pos], 1 + total); |
| 3350 | isl_int_sub_ui(bmap->ineq[pos][0], bmap->ineq[pos][0], 1)isl_sioimath_sub_ui((bmap->ineq[pos][0]), *(bmap->ineq[ pos][0]), 1); |
| 3351 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 3352 | return 0; |
| 3353 | } |
| 3354 | |
| 3355 | __isl_give isl_setisl_map *isl_set_alloc_space(__isl_take isl_space *space, int n, |
| 3356 | unsigned flags) |
| 3357 | { |
| 3358 | if (!space) |
| 3359 | return NULL((void*)0); |
| 3360 | if (isl_space_dim(space, isl_dim_in) != 0) |
| 3361 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "set cannot have input dimensions", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3362); goto error; } while (0) |
| 3362 | "set cannot have input dimensions", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "set cannot have input dimensions", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3362); goto error; } while (0); |
| 3363 | return isl_map_alloc_space(space, n, flags); |
| 3364 | error: |
| 3365 | isl_space_free(space); |
| 3366 | return NULL((void*)0); |
| 3367 | } |
| 3368 | |
| 3369 | /* Make sure "map" has room for at least "n" more basic maps. |
| 3370 | */ |
| 3371 | __isl_give isl_map *isl_map_grow(__isl_take isl_map *map, int n) |
| 3372 | { |
| 3373 | int i; |
| 3374 | struct isl_map *grown = NULL((void*)0); |
| 3375 | |
| 3376 | if (!map) |
| 3377 | return NULL((void*)0); |
| 3378 | isl_assert(map->ctx, n >= 0, goto error)do { if (n >= 0) break; do { isl_handle_error(map->ctx, isl_error_unknown, "Assertion \"" "n >= 0" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3378); goto error; } while (0); } while (0); |
| 3379 | if (map->n + n <= map->size) |
| 3380 | return map; |
| 3381 | grown = isl_map_alloc_space(isl_map_get_space(map), map->n + n, map->flags); |
| 3382 | if (!grown) |
| 3383 | goto error; |
| 3384 | for (i = 0; i < map->n; ++i) { |
| 3385 | grown->p[i] = isl_basic_map_copy(map->p[i]); |
| 3386 | if (!grown->p[i]) |
| 3387 | goto error; |
| 3388 | grown->n++; |
| 3389 | } |
| 3390 | isl_map_free(map); |
| 3391 | return grown; |
| 3392 | error: |
| 3393 | isl_map_free(grown); |
| 3394 | isl_map_free(map); |
| 3395 | return NULL((void*)0); |
| 3396 | } |
| 3397 | |
| 3398 | /* Make sure "set" has room for at least "n" more basic sets. |
| 3399 | */ |
| 3400 | struct isl_setisl_map *isl_set_grow(struct isl_setisl_map *set, int n) |
| 3401 | { |
| 3402 | return set_from_map(isl_map_grow(set_to_map(set), n)); |
| 3403 | } |
| 3404 | |
| 3405 | __isl_give isl_setisl_map *isl_set_from_basic_set(__isl_take isl_basic_setisl_basic_map *bset) |
| 3406 | { |
| 3407 | return isl_map_from_basic_map(bset); |
| 3408 | } |
| 3409 | |
| 3410 | __isl_give isl_map *isl_map_from_basic_map(__isl_take isl_basic_map *bmap) |
| 3411 | { |
| 3412 | struct isl_map *map; |
| 3413 | |
| 3414 | if (!bmap) |
| 3415 | return NULL((void*)0); |
| 3416 | |
| 3417 | map = isl_map_alloc_space(isl_space_copy(bmap->dim), 1, ISL_MAP_DISJOINT(1 << 0)); |
| 3418 | return isl_map_add_basic_map(map, bmap); |
| 3419 | } |
| 3420 | |
| 3421 | __isl_give isl_setisl_map *isl_set_add_basic_set(__isl_take isl_setisl_map *set, |
| 3422 | __isl_take isl_basic_setisl_basic_map *bset) |
| 3423 | { |
| 3424 | return set_from_map(isl_map_add_basic_map(set_to_map(set), |
| 3425 | bset_to_bmap(bset))); |
| 3426 | } |
| 3427 | |
| 3428 | __isl_null isl_setisl_map *isl_set_free(__isl_take isl_setisl_map *set) |
| 3429 | { |
| 3430 | return isl_map_free(set); |
| 3431 | } |
| 3432 | |
| 3433 | void isl_set_print_internal(struct isl_setisl_map *set, FILE *out, int indent) |
| 3434 | { |
| 3435 | int i; |
| 3436 | |
| 3437 | if (!set) { |
| 3438 | fprintf(out, "null set\n"); |
| 3439 | return; |
| 3440 | } |
| 3441 | |
| 3442 | fprintf(out, "%*s", indent, ""); |
| 3443 | fprintf(out, "ref: %d, n: %d, nparam: %d, dim: %d, flags: %x\n", |
| 3444 | set->ref, set->n, set->dim->nparam, set->dim->n_out, |
| 3445 | set->flags); |
| 3446 | for (i = 0; i < set->n; ++i) { |
| 3447 | fprintf(out, "%*s", indent, ""); |
| 3448 | fprintf(out, "basic set %d:\n", i); |
| 3449 | isl_basic_set_print_internal(set->p[i], out, indent+4); |
| 3450 | } |
| 3451 | } |
| 3452 | |
| 3453 | void isl_map_print_internal(struct isl_map *map, FILE *out, int indent) |
| 3454 | { |
| 3455 | int i; |
| 3456 | |
| 3457 | if (!map) { |
| 3458 | fprintf(out, "null map\n"); |
| 3459 | return; |
| 3460 | } |
| 3461 | |
| 3462 | fprintf(out, "%*s", indent, ""); |
| 3463 | fprintf(out, "ref: %d, n: %d, nparam: %d, in: %d, out: %d, " |
| 3464 | "flags: %x, n_name: %d\n", |
| 3465 | map->ref, map->n, map->dim->nparam, map->dim->n_in, |
| 3466 | map->dim->n_out, map->flags, map->dim->n_id); |
| 3467 | for (i = 0; i < map->n; ++i) { |
| 3468 | fprintf(out, "%*s", indent, ""); |
| 3469 | fprintf(out, "basic map %d:\n", i); |
| 3470 | isl_basic_map_print_internal(map->p[i], out, indent+4); |
| 3471 | } |
| 3472 | } |
| 3473 | |
| 3474 | __isl_give isl_basic_map *isl_basic_map_intersect_domain( |
| 3475 | __isl_take isl_basic_map *bmap, __isl_take isl_basic_setisl_basic_map *bset) |
| 3476 | { |
| 3477 | struct isl_basic_map *bmap_domain; |
| 3478 | |
| 3479 | if (isl_basic_map_check_equal_params(bmap, bset_to_bmap(bset)) < 0) |
| 3480 | goto error; |
| 3481 | |
| 3482 | if (isl_space_dim(bset->dim, isl_dim_set) != 0) |
| 3483 | isl_assert(bset->ctx,do { if (isl_basic_map_compatible_domain(bmap, bset)) break; do { isl_handle_error(bset->ctx, isl_error_unknown, "Assertion \"" "isl_basic_map_compatible_domain(bmap, bset)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3484); goto error; } while (0); } while (0) |
| 3484 | isl_basic_map_compatible_domain(bmap, bset), goto error)do { if (isl_basic_map_compatible_domain(bmap, bset)) break; do { isl_handle_error(bset->ctx, isl_error_unknown, "Assertion \"" "isl_basic_map_compatible_domain(bmap, bset)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3484); goto error; } while (0); } while (0); |
| 3485 | |
| 3486 | bmap = isl_basic_map_cow(bmap); |
| 3487 | if (!bmap) |
| 3488 | goto error; |
| 3489 | bmap = isl_basic_map_extend_space(bmap, isl_space_copy(bmap->dim), |
| 3490 | bset->n_div, bset->n_eq, bset->n_ineq); |
| 3491 | bmap_domain = isl_basic_map_from_domain(bset); |
| 3492 | bmap = add_constraints(bmap, bmap_domain, 0, 0); |
| 3493 | |
| 3494 | bmap = isl_basic_map_simplify(bmap); |
| 3495 | return isl_basic_map_finalize(bmap); |
| 3496 | error: |
| 3497 | isl_basic_map_free(bmap); |
| 3498 | isl_basic_set_free(bset); |
| 3499 | return NULL((void*)0); |
| 3500 | } |
| 3501 | |
| 3502 | /* Check that the space of "bset" is the same as that of the range of "bmap". |
| 3503 | */ |
| 3504 | static isl_stat isl_basic_map_check_compatible_range( |
| 3505 | __isl_keep isl_basic_map *bmap, __isl_keep isl_basic_setisl_basic_map *bset) |
| 3506 | { |
| 3507 | isl_bool ok; |
| 3508 | |
| 3509 | ok = isl_basic_map_compatible_range(bmap, bset); |
| 3510 | if (ok < 0) |
| 3511 | return isl_stat_error; |
| 3512 | if (!ok) |
| 3513 | isl_die(isl_basic_set_get_ctx(bset), isl_error_invalid,do { isl_handle_error(isl_basic_set_get_ctx(bset), isl_error_invalid , "incompatible spaces", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3514); return isl_stat_error; } while (0) |
| 3514 | "incompatible spaces", return isl_stat_error)do { isl_handle_error(isl_basic_set_get_ctx(bset), isl_error_invalid , "incompatible spaces", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3514); return isl_stat_error; } while (0); |
| 3515 | |
| 3516 | return isl_stat_ok; |
| 3517 | } |
| 3518 | |
| 3519 | __isl_give isl_basic_map *isl_basic_map_intersect_range( |
| 3520 | __isl_take isl_basic_map *bmap, __isl_take isl_basic_setisl_basic_map *bset) |
| 3521 | { |
| 3522 | struct isl_basic_map *bmap_range; |
| 3523 | |
| 3524 | if (isl_basic_map_check_equal_params(bmap, bset_to_bmap(bset)) < 0) |
| 3525 | goto error; |
| 3526 | |
| 3527 | if (isl_space_dim(bset->dim, isl_dim_set) != 0 && |
| 3528 | isl_basic_map_check_compatible_range(bmap, bset) < 0) |
| 3529 | goto error; |
| 3530 | |
| 3531 | if (isl_basic_set_plain_is_universe(bset)) { |
| 3532 | isl_basic_set_free(bset); |
| 3533 | return bmap; |
| 3534 | } |
| 3535 | |
| 3536 | bmap = isl_basic_map_cow(bmap); |
| 3537 | if (!bmap) |
| 3538 | goto error; |
| 3539 | bmap = isl_basic_map_extend_space(bmap, isl_space_copy(bmap->dim), |
| 3540 | bset->n_div, bset->n_eq, bset->n_ineq); |
| 3541 | bmap_range = bset_to_bmap(bset); |
| 3542 | bmap = add_constraints(bmap, bmap_range, 0, 0); |
| 3543 | |
| 3544 | bmap = isl_basic_map_simplify(bmap); |
| 3545 | return isl_basic_map_finalize(bmap); |
| 3546 | error: |
| 3547 | isl_basic_map_free(bmap); |
| 3548 | isl_basic_set_free(bset); |
| 3549 | return NULL((void*)0); |
| 3550 | } |
| 3551 | |
| 3552 | isl_bool isl_basic_map_contains(__isl_keep isl_basic_map *bmap, |
| 3553 | __isl_keep isl_vec *vec) |
| 3554 | { |
| 3555 | int i; |
| 3556 | unsigned total; |
| 3557 | isl_int s; |
| 3558 | |
| 3559 | if (!bmap || !vec) |
| 3560 | return isl_bool_error; |
| 3561 | |
| 3562 | total = 1 + isl_basic_map_total_dim(bmap); |
| 3563 | if (total != vec->size) |
| 3564 | return isl_bool_false; |
| 3565 | |
| 3566 | isl_int_init(s)isl_sioimath_init((s)); |
| 3567 | |
| 3568 | for (i = 0; i < bmap->n_eq; ++i) { |
| 3569 | isl_seq_inner_product(vec->el, bmap->eq[i], total, &s); |
| 3570 | if (!isl_int_is_zero(s)(isl_sioimath_sgn(*(s)) == 0)) { |
| 3571 | isl_int_clear(s)isl_sioimath_clear((s)); |
| 3572 | return isl_bool_false; |
| 3573 | } |
| 3574 | } |
| 3575 | |
| 3576 | for (i = 0; i < bmap->n_ineq; ++i) { |
| 3577 | isl_seq_inner_product(vec->el, bmap->ineq[i], total, &s); |
| 3578 | if (isl_int_is_neg(s)(isl_sioimath_sgn(*(s)) < 0)) { |
| 3579 | isl_int_clear(s)isl_sioimath_clear((s)); |
| 3580 | return isl_bool_false; |
| 3581 | } |
| 3582 | } |
| 3583 | |
| 3584 | isl_int_clear(s)isl_sioimath_clear((s)); |
| 3585 | |
| 3586 | return isl_bool_true; |
| 3587 | } |
| 3588 | |
| 3589 | isl_bool isl_basic_set_contains(__isl_keep isl_basic_setisl_basic_map *bset, |
| 3590 | __isl_keep isl_vec *vec) |
| 3591 | { |
| 3592 | return isl_basic_map_contains(bset_to_bmap(bset), vec); |
| 3593 | } |
| 3594 | |
| 3595 | __isl_give isl_basic_map *isl_basic_map_intersect( |
| 3596 | __isl_take isl_basic_map *bmap1, __isl_take isl_basic_map *bmap2) |
| 3597 | { |
| 3598 | struct isl_vec *sample = NULL((void*)0); |
| 3599 | |
| 3600 | if (isl_basic_map_check_equal_params(bmap1, bmap2) < 0) |
| 3601 | goto error; |
| 3602 | if (isl_space_dim(bmap1->dim, isl_dim_all) == |
| 3603 | isl_space_dim(bmap1->dim, isl_dim_param) && |
| 3604 | isl_space_dim(bmap2->dim, isl_dim_all) != |
| 3605 | isl_space_dim(bmap2->dim, isl_dim_param)) |
| 3606 | return isl_basic_map_intersect(bmap2, bmap1); |
| 3607 | |
| 3608 | if (isl_space_dim(bmap2->dim, isl_dim_all) != |
| 3609 | isl_space_dim(bmap2->dim, isl_dim_param)) |
| 3610 | isl_assert(bmap1->ctx,do { if (isl_space_is_equal(bmap1->dim, bmap2->dim)) break ; do { isl_handle_error(bmap1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(bmap1->dim, bmap2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3611); goto error; } while (0); } while (0) |
| 3611 | isl_space_is_equal(bmap1->dim, bmap2->dim), goto error)do { if (isl_space_is_equal(bmap1->dim, bmap2->dim)) break ; do { isl_handle_error(bmap1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(bmap1->dim, bmap2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3611); goto error; } while (0); } while (0); |
| 3612 | |
| 3613 | if (isl_basic_map_plain_is_empty(bmap1)) { |
| 3614 | isl_basic_map_free(bmap2); |
| 3615 | return bmap1; |
| 3616 | } |
| 3617 | if (isl_basic_map_plain_is_empty(bmap2)) { |
| 3618 | isl_basic_map_free(bmap1); |
| 3619 | return bmap2; |
| 3620 | } |
| 3621 | |
| 3622 | if (bmap1->sample && |
| 3623 | isl_basic_map_contains(bmap1, bmap1->sample) > 0 && |
| 3624 | isl_basic_map_contains(bmap2, bmap1->sample) > 0) |
| 3625 | sample = isl_vec_copy(bmap1->sample); |
| 3626 | else if (bmap2->sample && |
| 3627 | isl_basic_map_contains(bmap1, bmap2->sample) > 0 && |
| 3628 | isl_basic_map_contains(bmap2, bmap2->sample) > 0) |
| 3629 | sample = isl_vec_copy(bmap2->sample); |
| 3630 | |
| 3631 | bmap1 = isl_basic_map_cow(bmap1); |
| 3632 | if (!bmap1) |
| 3633 | goto error; |
| 3634 | bmap1 = isl_basic_map_extend_space(bmap1, isl_space_copy(bmap1->dim), |
| 3635 | bmap2->n_div, bmap2->n_eq, bmap2->n_ineq); |
| 3636 | bmap1 = add_constraints(bmap1, bmap2, 0, 0); |
| 3637 | |
| 3638 | if (!bmap1) |
| 3639 | isl_vec_free(sample); |
| 3640 | else if (sample) { |
| 3641 | isl_vec_free(bmap1->sample); |
| 3642 | bmap1->sample = sample; |
| 3643 | } |
| 3644 | |
| 3645 | bmap1 = isl_basic_map_simplify(bmap1); |
| 3646 | return isl_basic_map_finalize(bmap1); |
| 3647 | error: |
| 3648 | if (sample) |
| 3649 | isl_vec_free(sample); |
| 3650 | isl_basic_map_free(bmap1); |
| 3651 | isl_basic_map_free(bmap2); |
| 3652 | return NULL((void*)0); |
| 3653 | } |
| 3654 | |
| 3655 | struct isl_basic_setisl_basic_map *isl_basic_set_intersect( |
| 3656 | struct isl_basic_setisl_basic_map *bset1, struct isl_basic_setisl_basic_map *bset2) |
| 3657 | { |
| 3658 | return bset_from_bmap(isl_basic_map_intersect(bset_to_bmap(bset1), |
| 3659 | bset_to_bmap(bset2))); |
| 3660 | } |
| 3661 | |
| 3662 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_intersect_params( |
| 3663 | __isl_take isl_basic_setisl_basic_map *bset1, __isl_take isl_basic_setisl_basic_map *bset2) |
| 3664 | { |
| 3665 | return isl_basic_set_intersect(bset1, bset2); |
| 3666 | } |
| 3667 | |
| 3668 | /* Special case of isl_map_intersect, where both map1 and map2 |
| 3669 | * are convex, without any divs and such that either map1 or map2 |
| 3670 | * contains a single constraint. This constraint is then simply |
| 3671 | * added to the other map. |
| 3672 | */ |
| 3673 | static __isl_give isl_map *map_intersect_add_constraint( |
| 3674 | __isl_take isl_map *map1, __isl_take isl_map *map2) |
| 3675 | { |
| 3676 | isl_assert(map1->ctx, map1->n == 1, goto error)do { if (map1->n == 1) break; do { isl_handle_error(map1-> ctx, isl_error_unknown, "Assertion \"" "map1->n == 1" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3676); goto error; } while (0); } while (0); |
| 3677 | isl_assert(map2->ctx, map1->n == 1, goto error)do { if (map1->n == 1) break; do { isl_handle_error(map2-> ctx, isl_error_unknown, "Assertion \"" "map1->n == 1" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3677); goto error; } while (0); } while (0); |
| 3678 | isl_assert(map1->ctx, map1->p[0]->n_div == 0, goto error)do { if (map1->p[0]->n_div == 0) break; do { isl_handle_error (map1->ctx, isl_error_unknown, "Assertion \"" "map1->p[0]->n_div == 0" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3678); goto error; } while (0); } while (0); |
| 3679 | isl_assert(map2->ctx, map1->p[0]->n_div == 0, goto error)do { if (map1->p[0]->n_div == 0) break; do { isl_handle_error (map2->ctx, isl_error_unknown, "Assertion \"" "map1->p[0]->n_div == 0" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3679); goto error; } while (0); } while (0); |
| 3680 | |
| 3681 | if (map2->p[0]->n_eq + map2->p[0]->n_ineq != 1) |
| 3682 | return isl_map_intersect(map2, map1); |
| 3683 | |
| 3684 | map1 = isl_map_cow(map1); |
| 3685 | if (!map1) |
| 3686 | goto error; |
| 3687 | if (isl_map_plain_is_empty(map1)) { |
| 3688 | isl_map_free(map2); |
| 3689 | return map1; |
| 3690 | } |
| 3691 | map1->p[0] = isl_basic_map_cow(map1->p[0]); |
| 3692 | if (map2->p[0]->n_eq == 1) |
| 3693 | map1->p[0] = isl_basic_map_add_eq(map1->p[0], map2->p[0]->eq[0]); |
| 3694 | else |
| 3695 | map1->p[0] = isl_basic_map_add_ineq(map1->p[0], |
| 3696 | map2->p[0]->ineq[0]); |
| 3697 | |
| 3698 | map1->p[0] = isl_basic_map_simplify(map1->p[0]); |
| 3699 | map1->p[0] = isl_basic_map_finalize(map1->p[0]); |
| 3700 | if (!map1->p[0]) |
| 3701 | goto error; |
| 3702 | |
| 3703 | if (isl_basic_map_plain_is_empty(map1->p[0])) { |
| 3704 | isl_basic_map_free(map1->p[0]); |
| 3705 | map1->n = 0; |
| 3706 | } |
| 3707 | |
| 3708 | isl_map_free(map2); |
| 3709 | |
| 3710 | map1 = isl_map_unmark_normalized(map1); |
| 3711 | return map1; |
| 3712 | error: |
| 3713 | isl_map_free(map1); |
| 3714 | isl_map_free(map2); |
| 3715 | return NULL((void*)0); |
| 3716 | } |
| 3717 | |
| 3718 | /* map2 may be either a parameter domain or a map living in the same |
| 3719 | * space as map1. |
| 3720 | */ |
| 3721 | static __isl_give isl_map *map_intersect_internal(__isl_take isl_map *map1, |
| 3722 | __isl_take isl_map *map2) |
| 3723 | { |
| 3724 | unsigned flags = 0; |
| 3725 | isl_bool equal; |
| 3726 | isl_map *result; |
| 3727 | int i, j; |
| 3728 | |
| 3729 | if (!map1 || !map2) |
| 3730 | goto error; |
| 3731 | |
| 3732 | if ((isl_map_plain_is_empty(map1) || |
| 3733 | isl_map_plain_is_universe(map2)) && |
| 3734 | isl_space_is_equal(map1->dim, map2->dim)) { |
| 3735 | isl_map_free(map2); |
| 3736 | return map1; |
| 3737 | } |
| 3738 | if ((isl_map_plain_is_empty(map2) || |
| 3739 | isl_map_plain_is_universe(map1)) && |
| 3740 | isl_space_is_equal(map1->dim, map2->dim)) { |
| 3741 | isl_map_free(map1); |
| 3742 | return map2; |
| 3743 | } |
| 3744 | |
| 3745 | if (map1->n == 1 && map2->n == 1 && |
| 3746 | map1->p[0]->n_div == 0 && map2->p[0]->n_div == 0 && |
| 3747 | isl_space_is_equal(map1->dim, map2->dim) && |
| 3748 | (map1->p[0]->n_eq + map1->p[0]->n_ineq == 1 || |
| 3749 | map2->p[0]->n_eq + map2->p[0]->n_ineq == 1)) |
| 3750 | return map_intersect_add_constraint(map1, map2); |
| 3751 | |
| 3752 | equal = isl_map_plain_is_equal(map1, map2); |
| 3753 | if (equal < 0) |
| 3754 | goto error; |
| 3755 | if (equal) { |
| 3756 | isl_map_free(map2); |
| 3757 | return map1; |
| 3758 | } |
| 3759 | |
| 3760 | if (isl_space_dim(map2->dim, isl_dim_all) != |
| 3761 | isl_space_dim(map2->dim, isl_dim_param)) |
| 3762 | isl_assert(map1->ctx,do { if (isl_space_is_equal(map1->dim, map2->dim)) break ; do { isl_handle_error(map1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(map1->dim, map2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3763); goto error; } while (0); } while (0) |
| 3763 | isl_space_is_equal(map1->dim, map2->dim), goto error)do { if (isl_space_is_equal(map1->dim, map2->dim)) break ; do { isl_handle_error(map1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(map1->dim, map2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3763); goto error; } while (0); } while (0); |
| 3764 | |
| 3765 | if (ISL_F_ISSET(map1, ISL_MAP_DISJOINT)(!!(((map1)->flags) & ((1 << 0)))) && |
| 3766 | ISL_F_ISSET(map2, ISL_MAP_DISJOINT)(!!(((map2)->flags) & ((1 << 0))))) |
| 3767 | ISL_FL_SET(flags, ISL_MAP_DISJOINT)((flags) |= ((1 << 0))); |
| 3768 | |
| 3769 | result = isl_map_alloc_space(isl_space_copy(map1->dim), |
| 3770 | map1->n * map2->n, flags); |
| 3771 | if (!result) |
| 3772 | goto error; |
| 3773 | for (i = 0; i < map1->n; ++i) |
| 3774 | for (j = 0; j < map2->n; ++j) { |
| 3775 | struct isl_basic_map *part; |
| 3776 | part = isl_basic_map_intersect( |
| 3777 | isl_basic_map_copy(map1->p[i]), |
| 3778 | isl_basic_map_copy(map2->p[j])); |
| 3779 | if (isl_basic_map_is_empty(part) < 0) |
| 3780 | part = isl_basic_map_free(part); |
| 3781 | result = isl_map_add_basic_map(result, part); |
| 3782 | if (!result) |
| 3783 | goto error; |
| 3784 | } |
| 3785 | isl_map_free(map1); |
| 3786 | isl_map_free(map2); |
| 3787 | return result; |
| 3788 | error: |
| 3789 | isl_map_free(map1); |
| 3790 | isl_map_free(map2); |
| 3791 | return NULL((void*)0); |
| 3792 | } |
| 3793 | |
| 3794 | static __isl_give isl_map *map_intersect(__isl_take isl_map *map1, |
| 3795 | __isl_take isl_map *map2) |
| 3796 | { |
| 3797 | if (!map1 || !map2) |
| 3798 | goto error; |
| 3799 | if (!isl_space_is_equal(map1->dim, map2->dim)) |
| 3800 | isl_die(isl_map_get_ctx(map1), isl_error_invalid,do { isl_handle_error(isl_map_get_ctx(map1), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3801); goto error; } while (0) |
| 3801 | "spaces don't match", goto error)do { isl_handle_error(isl_map_get_ctx(map1), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3801); goto error; } while (0); |
| 3802 | return map_intersect_internal(map1, map2); |
| 3803 | error: |
| 3804 | isl_map_free(map1); |
| 3805 | isl_map_free(map2); |
| 3806 | return NULL((void*)0); |
| 3807 | } |
| 3808 | |
| 3809 | __isl_give isl_map *isl_map_intersect(__isl_take isl_map *map1, |
| 3810 | __isl_take isl_map *map2) |
| 3811 | { |
| 3812 | return isl_map_align_params_map_map_and(map1, map2, &map_intersect); |
| 3813 | } |
| 3814 | |
| 3815 | struct isl_setisl_map *isl_set_intersect(struct isl_setisl_map *set1, struct isl_setisl_map *set2) |
| 3816 | { |
| 3817 | return set_from_map(isl_map_intersect(set_to_map(set1), |
| 3818 | set_to_map(set2))); |
| 3819 | } |
| 3820 | |
| 3821 | /* map_intersect_internal accepts intersections |
| 3822 | * with parameter domains, so we can just call that function. |
| 3823 | */ |
| 3824 | static __isl_give isl_map *map_intersect_params(__isl_take isl_map *map, |
| 3825 | __isl_take isl_setisl_map *params) |
| 3826 | { |
| 3827 | return map_intersect_internal(map, params); |
| 3828 | } |
| 3829 | |
| 3830 | __isl_give isl_map *isl_map_intersect_params(__isl_take isl_map *map1, |
| 3831 | __isl_take isl_map *map2) |
| 3832 | { |
| 3833 | return isl_map_align_params_map_map_and(map1, map2, &map_intersect_params); |
| 3834 | } |
| 3835 | |
| 3836 | __isl_give isl_setisl_map *isl_set_intersect_params(__isl_take isl_setisl_map *set, |
| 3837 | __isl_take isl_setisl_map *params) |
| 3838 | { |
| 3839 | return isl_map_intersect_params(set, params); |
| 3840 | } |
| 3841 | |
| 3842 | __isl_give isl_basic_map *isl_basic_map_reverse(__isl_take isl_basic_map *bmap) |
| 3843 | { |
| 3844 | isl_space *space; |
| 3845 | unsigned pos, n1, n2; |
| 3846 | |
| 3847 | if (!bmap) |
| 3848 | return NULL((void*)0); |
| 3849 | bmap = isl_basic_map_cow(bmap); |
| 3850 | if (!bmap) |
| 3851 | return NULL((void*)0); |
| 3852 | space = isl_space_reverse(isl_space_copy(bmap->dim)); |
| 3853 | pos = isl_basic_map_offset(bmap, isl_dim_in); |
| 3854 | n1 = isl_basic_map_dim(bmap, isl_dim_in); |
| 3855 | n2 = isl_basic_map_dim(bmap, isl_dim_out); |
| 3856 | bmap = isl_basic_map_swap_vars(bmap, pos, n1, n2); |
| 3857 | return isl_basic_map_reset_space(bmap, space); |
| 3858 | } |
| 3859 | |
| 3860 | static __isl_give isl_basic_map *basic_map_space_reset( |
| 3861 | __isl_take isl_basic_map *bmap, enum isl_dim_type type) |
| 3862 | { |
| 3863 | isl_space *space; |
| 3864 | |
| 3865 | if (!bmap) |
| 3866 | return NULL((void*)0); |
| 3867 | if (!isl_space_is_named_or_nested(bmap->dim, type)) |
| 3868 | return bmap; |
| 3869 | |
| 3870 | space = isl_basic_map_get_space(bmap); |
| 3871 | space = isl_space_reset(space, type); |
| 3872 | bmap = isl_basic_map_reset_space(bmap, space); |
| 3873 | return bmap; |
| 3874 | } |
| 3875 | |
| 3876 | __isl_give isl_basic_map *isl_basic_map_insert_dims( |
| 3877 | __isl_take isl_basic_map *bmap, enum isl_dim_type type, |
| 3878 | unsigned pos, unsigned n) |
| 3879 | { |
| 3880 | isl_bool rational; |
| 3881 | isl_space *res_space; |
| 3882 | struct isl_basic_map *res; |
| 3883 | struct isl_dim_map *dim_map; |
| 3884 | unsigned total, off; |
| 3885 | enum isl_dim_type t; |
| 3886 | |
| 3887 | if (n == 0) |
| 3888 | return basic_map_space_reset(bmap, type); |
| 3889 | |
| 3890 | res_space = isl_space_insert_dims(isl_basic_map_get_space(bmap), |
| 3891 | type, pos, n); |
| 3892 | if (!res_space) |
| 3893 | return isl_basic_map_free(bmap); |
| 3894 | |
| 3895 | total = isl_basic_map_total_dim(bmap) + n; |
| 3896 | dim_map = isl_dim_map_alloc(bmap->ctx, total); |
| 3897 | off = 0; |
| 3898 | for (t = isl_dim_param; t <= isl_dim_out; ++t) { |
| 3899 | if (t != type) { |
| 3900 | isl_dim_map_dim(dim_map, bmap->dim, t, off); |
| 3901 | } else { |
| 3902 | unsigned size = isl_basic_map_dim(bmap, t); |
| 3903 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 3904 | 0, pos, off); |
| 3905 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 3906 | pos, size - pos, off + pos + n); |
| 3907 | } |
| 3908 | off += isl_space_dim(res_space, t); |
| 3909 | } |
| 3910 | isl_dim_map_div(dim_map, bmap, off); |
| 3911 | |
| 3912 | res = isl_basic_map_alloc_space(res_space, |
| 3913 | bmap->n_div, bmap->n_eq, bmap->n_ineq); |
| 3914 | rational = isl_basic_map_is_rational(bmap); |
| 3915 | if (rational < 0) |
| 3916 | res = isl_basic_map_free(res); |
| 3917 | if (rational) |
| 3918 | res = isl_basic_map_set_rational(res); |
| 3919 | if (isl_basic_map_plain_is_empty(bmap)) { |
| 3920 | isl_basic_map_free(bmap); |
| 3921 | free(dim_map); |
| 3922 | return isl_basic_map_set_to_empty(res); |
| 3923 | } |
| 3924 | res = isl_basic_map_add_constraints_dim_map(res, bmap, dim_map); |
| 3925 | return isl_basic_map_finalize(res); |
| 3926 | } |
| 3927 | |
| 3928 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_insert_dims( |
| 3929 | __isl_take isl_basic_setisl_basic_map *bset, |
| 3930 | enum isl_dim_type type, unsigned pos, unsigned n) |
| 3931 | { |
| 3932 | return isl_basic_map_insert_dims(bset, type, pos, n); |
| 3933 | } |
| 3934 | |
| 3935 | __isl_give isl_basic_map *isl_basic_map_add_dims(__isl_take isl_basic_map *bmap, |
| 3936 | enum isl_dim_type type, unsigned n) |
| 3937 | { |
| 3938 | if (!bmap) |
| 3939 | return NULL((void*)0); |
| 3940 | return isl_basic_map_insert_dims(bmap, type, |
| 3941 | isl_basic_map_dim(bmap, type), n); |
| 3942 | } |
| 3943 | |
| 3944 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_add_dims(__isl_take isl_basic_setisl_basic_map *bset, |
| 3945 | enum isl_dim_type type, unsigned n) |
| 3946 | { |
| 3947 | if (!bset) |
| 3948 | return NULL((void*)0); |
| 3949 | isl_assert(bset->ctx, type != isl_dim_in, goto error)do { if (type != isl_dim_in) break; do { isl_handle_error(bset ->ctx, isl_error_unknown, "Assertion \"" "type != isl_dim_in" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 3949); goto error; } while (0); } while (0); |
| 3950 | return isl_basic_map_add_dims(bset, type, n); |
| 3951 | error: |
| 3952 | isl_basic_set_free(bset); |
| 3953 | return NULL((void*)0); |
| 3954 | } |
| 3955 | |
| 3956 | static __isl_give isl_map *map_space_reset(__isl_take isl_map *map, |
| 3957 | enum isl_dim_type type) |
| 3958 | { |
| 3959 | isl_space *space; |
| 3960 | |
| 3961 | if (!map || !isl_space_is_named_or_nested(map->dim, type)) |
| 3962 | return map; |
| 3963 | |
| 3964 | space = isl_map_get_space(map); |
| 3965 | space = isl_space_reset(space, type); |
| 3966 | map = isl_map_reset_space(map, space); |
| 3967 | return map; |
| 3968 | } |
| 3969 | |
| 3970 | __isl_give isl_map *isl_map_insert_dims(__isl_take isl_map *map, |
| 3971 | enum isl_dim_type type, unsigned pos, unsigned n) |
| 3972 | { |
| 3973 | int i; |
| 3974 | |
| 3975 | if (n == 0) |
| 3976 | return map_space_reset(map, type); |
| 3977 | |
| 3978 | map = isl_map_cow(map); |
| 3979 | if (!map) |
| 3980 | return NULL((void*)0); |
| 3981 | |
| 3982 | map->dim = isl_space_insert_dims(map->dim, type, pos, n); |
| 3983 | if (!map->dim) |
| 3984 | goto error; |
| 3985 | |
| 3986 | for (i = 0; i < map->n; ++i) { |
| 3987 | map->p[i] = isl_basic_map_insert_dims(map->p[i], type, pos, n); |
| 3988 | if (!map->p[i]) |
| 3989 | goto error; |
| 3990 | } |
| 3991 | |
| 3992 | return map; |
| 3993 | error: |
| 3994 | isl_map_free(map); |
| 3995 | return NULL((void*)0); |
| 3996 | } |
| 3997 | |
| 3998 | __isl_give isl_setisl_map *isl_set_insert_dims(__isl_take isl_setisl_map *set, |
| 3999 | enum isl_dim_type type, unsigned pos, unsigned n) |
| 4000 | { |
| 4001 | return isl_map_insert_dims(set, type, pos, n); |
| 4002 | } |
| 4003 | |
| 4004 | __isl_give isl_map *isl_map_add_dims(__isl_take isl_map *map, |
| 4005 | enum isl_dim_type type, unsigned n) |
| 4006 | { |
| 4007 | if (!map) |
| 4008 | return NULL((void*)0); |
| 4009 | return isl_map_insert_dims(map, type, isl_map_dim(map, type), n); |
| 4010 | } |
| 4011 | |
| 4012 | __isl_give isl_setisl_map *isl_set_add_dims(__isl_take isl_setisl_map *set, |
| 4013 | enum isl_dim_type type, unsigned n) |
| 4014 | { |
| 4015 | if (!set) |
| 4016 | return NULL((void*)0); |
| 4017 | isl_assert(set->ctx, type != isl_dim_in, goto error)do { if (type != isl_dim_in) break; do { isl_handle_error(set ->ctx, isl_error_unknown, "Assertion \"" "type != isl_dim_in" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4017); goto error; } while (0); } while (0); |
| 4018 | return set_from_map(isl_map_add_dims(set_to_map(set), type, n)); |
| 4019 | error: |
| 4020 | isl_set_free(set); |
| 4021 | return NULL((void*)0); |
| 4022 | } |
| 4023 | |
| 4024 | __isl_give isl_basic_map *isl_basic_map_move_dims( |
| 4025 | __isl_take isl_basic_map *bmap, |
| 4026 | enum isl_dim_type dst_type, unsigned dst_pos, |
| 4027 | enum isl_dim_type src_type, unsigned src_pos, unsigned n) |
| 4028 | { |
| 4029 | struct isl_dim_map *dim_map; |
| 4030 | struct isl_basic_map *res; |
| 4031 | enum isl_dim_type t; |
| 4032 | unsigned total, off; |
| 4033 | |
| 4034 | if (!bmap) |
| 4035 | return NULL((void*)0); |
| 4036 | if (n == 0) { |
| 4037 | bmap = isl_basic_map_reset(bmap, src_type); |
| 4038 | bmap = isl_basic_map_reset(bmap, dst_type); |
| 4039 | return bmap; |
| 4040 | } |
| 4041 | |
| 4042 | if (isl_basic_map_check_range(bmap, src_type, src_pos, n) < 0) |
| 4043 | return isl_basic_map_free(bmap); |
| 4044 | |
| 4045 | if (dst_type == src_type && dst_pos == src_pos) |
| 4046 | return bmap; |
| 4047 | |
| 4048 | isl_assert(bmap->ctx, dst_type != src_type, goto error)do { if (dst_type != src_type) break; do { isl_handle_error(bmap ->ctx, isl_error_unknown, "Assertion \"" "dst_type != src_type" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4048); goto error; } while (0); } while (0); |
| 4049 | |
| 4050 | if (pos(bmap->dim, dst_type) + dst_pos == |
| 4051 | pos(bmap->dim, src_type) + src_pos + |
| 4052 | ((src_type < dst_type) ? n : 0)) { |
| 4053 | bmap = isl_basic_map_cow(bmap); |
| 4054 | if (!bmap) |
| 4055 | return NULL((void*)0); |
| 4056 | |
| 4057 | bmap->dim = isl_space_move_dims(bmap->dim, dst_type, dst_pos, |
| 4058 | src_type, src_pos, n); |
| 4059 | if (!bmap->dim) |
| 4060 | goto error; |
| 4061 | |
| 4062 | bmap = isl_basic_map_finalize(bmap); |
| 4063 | |
| 4064 | return bmap; |
| 4065 | } |
| 4066 | |
| 4067 | total = isl_basic_map_total_dim(bmap); |
| 4068 | dim_map = isl_dim_map_alloc(bmap->ctx, total); |
| 4069 | |
| 4070 | off = 0; |
| 4071 | for (t = isl_dim_param; t <= isl_dim_out; ++t) { |
| 4072 | unsigned size = isl_space_dim(bmap->dim, t); |
| 4073 | if (t == dst_type) { |
| 4074 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4075 | 0, dst_pos, off); |
| 4076 | off += dst_pos; |
| 4077 | isl_dim_map_dim_range(dim_map, bmap->dim, src_type, |
| 4078 | src_pos, n, off); |
| 4079 | off += n; |
| 4080 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4081 | dst_pos, size - dst_pos, off); |
| 4082 | off += size - dst_pos; |
| 4083 | } else if (t == src_type) { |
| 4084 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4085 | 0, src_pos, off); |
| 4086 | off += src_pos; |
| 4087 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4088 | src_pos + n, size - src_pos - n, off); |
| 4089 | off += size - src_pos - n; |
| 4090 | } else { |
| 4091 | isl_dim_map_dim(dim_map, bmap->dim, t, off); |
| 4092 | off += size; |
| 4093 | } |
| 4094 | } |
| 4095 | isl_dim_map_div(dim_map, bmap, off); |
| 4096 | |
| 4097 | res = isl_basic_map_alloc_space(isl_basic_map_get_space(bmap), |
| 4098 | bmap->n_div, bmap->n_eq, bmap->n_ineq); |
| 4099 | bmap = isl_basic_map_add_constraints_dim_map(res, bmap, dim_map); |
| 4100 | if (!bmap) |
| 4101 | goto error; |
| 4102 | |
| 4103 | bmap->dim = isl_space_move_dims(bmap->dim, dst_type, dst_pos, |
| 4104 | src_type, src_pos, n); |
| 4105 | if (!bmap->dim) |
| 4106 | goto error; |
| 4107 | |
| 4108 | ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED)(((bmap)->flags) &= ~((1 << 5))); |
| 4109 | bmap = isl_basic_map_gauss(bmap, NULL((void*)0)); |
| 4110 | bmap = isl_basic_map_finalize(bmap); |
| 4111 | |
| 4112 | return bmap; |
| 4113 | error: |
| 4114 | isl_basic_map_free(bmap); |
| 4115 | return NULL((void*)0); |
| 4116 | } |
| 4117 | |
| 4118 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_move_dims(__isl_take isl_basic_setisl_basic_map *bset, |
| 4119 | enum isl_dim_type dst_type, unsigned dst_pos, |
| 4120 | enum isl_dim_type src_type, unsigned src_pos, unsigned n) |
| 4121 | { |
| 4122 | isl_basic_map *bmap = bset_to_bmap(bset); |
| 4123 | bmap = isl_basic_map_move_dims(bmap, dst_type, dst_pos, |
| 4124 | src_type, src_pos, n); |
| 4125 | return bset_from_bmap(bmap); |
| 4126 | } |
| 4127 | |
| 4128 | __isl_give isl_setisl_map *isl_set_move_dims(__isl_take isl_setisl_map *set, |
| 4129 | enum isl_dim_type dst_type, unsigned dst_pos, |
| 4130 | enum isl_dim_type src_type, unsigned src_pos, unsigned n) |
| 4131 | { |
| 4132 | if (!set) |
| 4133 | return NULL((void*)0); |
| 4134 | isl_assert(set->ctx, dst_type != isl_dim_in, goto error)do { if (dst_type != isl_dim_in) break; do { isl_handle_error (set->ctx, isl_error_unknown, "Assertion \"" "dst_type != isl_dim_in" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4134); goto error; } while (0); } while (0); |
| 4135 | return set_from_map(isl_map_move_dims(set_to_map(set), |
| 4136 | dst_type, dst_pos, src_type, src_pos, n)); |
| 4137 | error: |
| 4138 | isl_set_free(set); |
| 4139 | return NULL((void*)0); |
| 4140 | } |
| 4141 | |
| 4142 | __isl_give isl_map *isl_map_move_dims(__isl_take isl_map *map, |
| 4143 | enum isl_dim_type dst_type, unsigned dst_pos, |
| 4144 | enum isl_dim_type src_type, unsigned src_pos, unsigned n) |
| 4145 | { |
| 4146 | int i; |
| 4147 | |
| 4148 | if (n == 0) { |
| 4149 | map = isl_map_reset(map, src_type); |
| 4150 | map = isl_map_reset(map, dst_type); |
| 4151 | return map; |
| 4152 | } |
| 4153 | |
| 4154 | if (isl_map_check_range(map, src_type, src_pos, n)) |
| 4155 | return isl_map_free(map); |
| 4156 | |
| 4157 | if (dst_type == src_type && dst_pos == src_pos) |
| 4158 | return map; |
| 4159 | |
| 4160 | isl_assert(map->ctx, dst_type != src_type, goto error)do { if (dst_type != src_type) break; do { isl_handle_error(map ->ctx, isl_error_unknown, "Assertion \"" "dst_type != src_type" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4160); goto error; } while (0); } while (0); |
| 4161 | |
| 4162 | map = isl_map_cow(map); |
| 4163 | if (!map) |
| 4164 | return NULL((void*)0); |
| 4165 | |
| 4166 | map->dim = isl_space_move_dims(map->dim, dst_type, dst_pos, src_type, src_pos, n); |
| 4167 | if (!map->dim) |
| 4168 | goto error; |
| 4169 | |
| 4170 | for (i = 0; i < map->n; ++i) { |
| 4171 | map->p[i] = isl_basic_map_move_dims(map->p[i], |
| 4172 | dst_type, dst_pos, |
| 4173 | src_type, src_pos, n); |
| 4174 | if (!map->p[i]) |
| 4175 | goto error; |
| 4176 | } |
| 4177 | |
| 4178 | return map; |
| 4179 | error: |
| 4180 | isl_map_free(map); |
| 4181 | return NULL((void*)0); |
| 4182 | } |
| 4183 | |
| 4184 | /* Move the specified dimensions to the last columns right before |
| 4185 | * the divs. Don't change the dimension specification of bmap. |
| 4186 | * That's the responsibility of the caller. |
| 4187 | */ |
| 4188 | static __isl_give isl_basic_map *move_last(__isl_take isl_basic_map *bmap, |
| 4189 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4190 | { |
| 4191 | struct isl_dim_map *dim_map; |
| 4192 | struct isl_basic_map *res; |
| 4193 | enum isl_dim_type t; |
| 4194 | unsigned total, off; |
| 4195 | |
| 4196 | if (!bmap) |
| 4197 | return NULL((void*)0); |
| 4198 | if (pos(bmap->dim, type) + first + n == |
| 4199 | 1 + isl_space_dim(bmap->dim, isl_dim_all)) |
| 4200 | return bmap; |
| 4201 | |
| 4202 | total = isl_basic_map_total_dim(bmap); |
| 4203 | dim_map = isl_dim_map_alloc(bmap->ctx, total); |
| 4204 | |
| 4205 | off = 0; |
| 4206 | for (t = isl_dim_param; t <= isl_dim_out; ++t) { |
| 4207 | unsigned size = isl_space_dim(bmap->dim, t); |
| 4208 | if (t == type) { |
| 4209 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4210 | 0, first, off); |
| 4211 | off += first; |
| 4212 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4213 | first, n, total - bmap->n_div - n); |
| 4214 | isl_dim_map_dim_range(dim_map, bmap->dim, t, |
| 4215 | first + n, size - (first + n), off); |
| 4216 | off += size - (first + n); |
| 4217 | } else { |
| 4218 | isl_dim_map_dim(dim_map, bmap->dim, t, off); |
| 4219 | off += size; |
| 4220 | } |
| 4221 | } |
| 4222 | isl_dim_map_div(dim_map, bmap, off + n); |
| 4223 | |
| 4224 | res = isl_basic_map_alloc_space(isl_basic_map_get_space(bmap), |
| 4225 | bmap->n_div, bmap->n_eq, bmap->n_ineq); |
| 4226 | res = isl_basic_map_add_constraints_dim_map(res, bmap, dim_map); |
| 4227 | return res; |
| 4228 | } |
| 4229 | |
| 4230 | /* Insert "n" rows in the divs of "bmap". |
| 4231 | * |
| 4232 | * The number of columns is not changed, which means that the last |
| 4233 | * dimensions of "bmap" are being reintepreted as the new divs. |
| 4234 | * The space of "bmap" is not adjusted, however, which means |
| 4235 | * that "bmap" is left in an inconsistent state. Removing "n" dimensions |
| 4236 | * from the space of "bmap" is the responsibility of the caller. |
| 4237 | */ |
| 4238 | static __isl_give isl_basic_map *insert_div_rows(__isl_take isl_basic_map *bmap, |
| 4239 | int n) |
| 4240 | { |
| 4241 | int i; |
| 4242 | size_t row_size; |
| 4243 | isl_int **new_div; |
| 4244 | isl_int *old; |
| 4245 | |
| 4246 | bmap = isl_basic_map_cow(bmap); |
| 4247 | if (!bmap) |
| 4248 | return NULL((void*)0); |
| 4249 | |
| 4250 | row_size = 1 + isl_space_dim(bmap->dim, isl_dim_all) + bmap->extra; |
| 4251 | old = bmap->block2.data; |
| 4252 | bmap->block2 = isl_blk_extend(bmap->ctx, bmap->block2, |
| 4253 | (bmap->extra + n) * (1 + row_size)); |
| 4254 | if (!bmap->block2.data) |
| 4255 | return isl_basic_map_free(bmap); |
| 4256 | new_div = isl_alloc_array(bmap->ctx, isl_int *, bmap->extra + n)((isl_int * *)isl_malloc_or_die(bmap->ctx, (bmap->extra + n)*sizeof(isl_int *))); |
| 4257 | if (!new_div) |
| 4258 | return isl_basic_map_free(bmap); |
| 4259 | for (i = 0; i < n; ++i) { |
| 4260 | new_div[i] = bmap->block2.data + |
| 4261 | (bmap->extra + i) * (1 + row_size); |
| 4262 | isl_seq_clr(new_div[i], 1 + row_size); |
| 4263 | } |
| 4264 | for (i = 0; i < bmap->extra; ++i) |
| 4265 | new_div[n + i] = bmap->block2.data + (bmap->div[i] - old); |
| 4266 | free(bmap->div); |
| 4267 | bmap->div = new_div; |
| 4268 | bmap->n_div += n; |
| 4269 | bmap->extra += n; |
| 4270 | |
| 4271 | return bmap; |
| 4272 | } |
| 4273 | |
| 4274 | /* Drop constraints from "bmap" that only involve the variables |
| 4275 | * of "type" in the range [first, first + n] that are not related |
| 4276 | * to any of the variables outside that interval. |
| 4277 | * These constraints cannot influence the values for the variables |
| 4278 | * outside the interval, except in case they cause "bmap" to be empty. |
| 4279 | * Only drop the constraints if "bmap" is known to be non-empty. |
| 4280 | */ |
| 4281 | static __isl_give isl_basic_map *drop_irrelevant_constraints( |
| 4282 | __isl_take isl_basic_map *bmap, enum isl_dim_type type, |
| 4283 | unsigned first, unsigned n) |
| 4284 | { |
| 4285 | int i; |
| 4286 | int *groups; |
| 4287 | unsigned dim, n_div; |
| 4288 | isl_bool non_empty; |
| 4289 | |
| 4290 | non_empty = isl_basic_map_plain_is_non_empty(bmap); |
| 4291 | if (non_empty < 0) |
| 4292 | return isl_basic_map_free(bmap); |
| 4293 | if (!non_empty) |
| 4294 | return bmap; |
| 4295 | |
| 4296 | dim = isl_basic_map_dim(bmap, isl_dim_all); |
| 4297 | n_div = isl_basic_map_dim(bmap, isl_dim_div); |
| 4298 | groups = isl_calloc_array(isl_basic_map_get_ctx(bmap), int, dim)((int *)isl_calloc_or_die(isl_basic_map_get_ctx(bmap), dim, sizeof (int))); |
| 4299 | if (!groups) |
| 4300 | return isl_basic_map_free(bmap); |
| 4301 | first += isl_basic_map_offset(bmap, type) - 1; |
| 4302 | for (i = 0; i < first; ++i) |
| 4303 | groups[i] = -1; |
| 4304 | for (i = first + n; i < dim - n_div; ++i) |
| 4305 | groups[i] = -1; |
| 4306 | |
| 4307 | bmap = isl_basic_map_drop_unrelated_constraints(bmap, groups); |
| 4308 | |
| 4309 | return bmap; |
| 4310 | } |
| 4311 | |
| 4312 | /* Turn the n dimensions of type type, starting at first |
| 4313 | * into existentially quantified variables. |
| 4314 | * |
| 4315 | * If a subset of the projected out variables are unrelated |
| 4316 | * to any of the variables that remain, then the constraints |
| 4317 | * involving this subset are simply dropped first. |
| 4318 | */ |
| 4319 | __isl_give isl_basic_map *isl_basic_map_project_out( |
| 4320 | __isl_take isl_basic_map *bmap, |
| 4321 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4322 | { |
| 4323 | isl_bool empty; |
| 4324 | |
| 4325 | if (n == 0) |
| 4326 | return basic_map_space_reset(bmap, type); |
| 4327 | if (type == isl_dim_div) |
| 4328 | isl_die(isl_basic_map_get_ctx(bmap), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "cannot project out existentially quantified variables", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4330); return isl_basic_map_free(bmap); } while (0) |
| 4329 | "cannot project out existentially quantified variables",do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "cannot project out existentially quantified variables", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4330); return isl_basic_map_free(bmap); } while (0) |
| 4330 | return isl_basic_map_free(bmap))do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "cannot project out existentially quantified variables", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4330); return isl_basic_map_free(bmap); } while (0); |
| 4331 | |
| 4332 | empty = isl_basic_map_plain_is_empty(bmap); |
| 4333 | if (empty < 0) |
| 4334 | return isl_basic_map_free(bmap); |
| 4335 | if (empty) |
| 4336 | bmap = isl_basic_map_set_to_empty(bmap); |
| 4337 | |
| 4338 | bmap = drop_irrelevant_constraints(bmap, type, first, n); |
| 4339 | if (!bmap) |
| 4340 | return NULL((void*)0); |
| 4341 | |
| 4342 | if (ISL_F_ISSET(bmap, ISL_BASIC_MAP_RATIONAL)(!!(((bmap)->flags) & ((1 << 4))))) |
| 4343 | return isl_basic_map_remove_dims(bmap, type, first, n); |
| 4344 | |
| 4345 | if (isl_basic_map_check_range(bmap, type, first, n) < 0) |
| 4346 | return isl_basic_map_free(bmap); |
| 4347 | |
| 4348 | bmap = move_last(bmap, type, first, n); |
| 4349 | bmap = isl_basic_map_cow(bmap); |
| 4350 | bmap = insert_div_rows(bmap, n); |
| 4351 | if (!bmap) |
| 4352 | return NULL((void*)0); |
| 4353 | |
| 4354 | bmap->dim = isl_space_drop_dims(bmap->dim, type, first, n); |
| 4355 | if (!bmap->dim) |
| 4356 | goto error; |
| 4357 | bmap = isl_basic_map_simplify(bmap); |
| 4358 | bmap = isl_basic_map_drop_redundant_divs(bmap); |
| 4359 | return isl_basic_map_finalize(bmap); |
| 4360 | error: |
| 4361 | isl_basic_map_free(bmap); |
| 4362 | return NULL((void*)0); |
| 4363 | } |
| 4364 | |
| 4365 | /* Turn the n dimensions of type type, starting at first |
| 4366 | * into existentially quantified variables. |
| 4367 | */ |
| 4368 | struct isl_basic_setisl_basic_map *isl_basic_set_project_out(struct isl_basic_setisl_basic_map *bset, |
| 4369 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4370 | { |
| 4371 | return bset_from_bmap(isl_basic_map_project_out(bset_to_bmap(bset), |
| 4372 | type, first, n)); |
| 4373 | } |
| 4374 | |
| 4375 | /* Turn the n dimensions of type type, starting at first |
| 4376 | * into existentially quantified variables. |
| 4377 | */ |
| 4378 | __isl_give isl_map *isl_map_project_out(__isl_take isl_map *map, |
| 4379 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4380 | { |
| 4381 | int i; |
| 4382 | |
| 4383 | if (n == 0) |
| 4384 | return map_space_reset(map, type); |
| 4385 | |
| 4386 | if (isl_map_check_range(map, type, first, n) < 0) |
| 4387 | return isl_map_free(map); |
| 4388 | |
| 4389 | map = isl_map_cow(map); |
| 4390 | if (!map) |
| 4391 | return NULL((void*)0); |
| 4392 | |
| 4393 | map->dim = isl_space_drop_dims(map->dim, type, first, n); |
| 4394 | if (!map->dim) |
| 4395 | goto error; |
| 4396 | |
| 4397 | for (i = 0; i < map->n; ++i) { |
| 4398 | map->p[i] = isl_basic_map_project_out(map->p[i], type, first, n); |
| 4399 | if (!map->p[i]) |
| 4400 | goto error; |
| 4401 | } |
| 4402 | |
| 4403 | return map; |
| 4404 | error: |
| 4405 | isl_map_free(map); |
| 4406 | return NULL((void*)0); |
| 4407 | } |
| 4408 | |
| 4409 | /* Turn all the dimensions of type "type", except the "n" starting at "first" |
| 4410 | * into existentially quantified variables. |
| 4411 | */ |
| 4412 | __isl_give isl_map *isl_map_project_onto(__isl_take isl_map *map, |
| 4413 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4414 | { |
| 4415 | unsigned dim; |
| 4416 | |
| 4417 | if (isl_map_check_range(map, type, first, n) < 0) |
| 4418 | return isl_map_free(map); |
| 4419 | dim = isl_map_dim(map, type); |
| 4420 | map = isl_map_project_out(map, type, first + n, dim - (first + n)); |
| 4421 | map = isl_map_project_out(map, type, 0, first); |
| 4422 | return map; |
| 4423 | } |
| 4424 | |
| 4425 | /* Turn the n dimensions of type type, starting at first |
| 4426 | * into existentially quantified variables. |
| 4427 | */ |
| 4428 | __isl_give isl_setisl_map *isl_set_project_out(__isl_take isl_setisl_map *set, |
| 4429 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4430 | { |
| 4431 | return set_from_map(isl_map_project_out(set_to_map(set), |
| 4432 | type, first, n)); |
| 4433 | } |
| 4434 | |
| 4435 | /* Return a map that projects the elements in "set" onto their |
| 4436 | * "n" set dimensions starting at "first". |
| 4437 | * "type" should be equal to isl_dim_set. |
| 4438 | */ |
| 4439 | __isl_give isl_map *isl_set_project_onto_map(__isl_take isl_setisl_map *set, |
| 4440 | enum isl_dim_type type, unsigned first, unsigned n) |
| 4441 | { |
| 4442 | int i; |
| 4443 | int dim; |
| 4444 | isl_map *map; |
| 4445 | |
| 4446 | if (!set) |
| 4447 | return NULL((void*)0); |
| 4448 | if (type != isl_dim_set) |
| 4449 | isl_die(isl_set_get_ctx(set), isl_error_invalid,do { isl_handle_error(isl_set_get_ctx(set), isl_error_invalid , "only set dimensions can be projected out", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4450); goto error; } while (0) |
| 4450 | "only set dimensions can be projected out", goto error)do { isl_handle_error(isl_set_get_ctx(set), isl_error_invalid , "only set dimensions can be projected out", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4450); goto error; } while (0); |
| 4451 | dim = isl_set_dim(set, isl_dim_set); |
| 4452 | if (first + n > dim || first + n < first) |
| 4453 | isl_die(isl_set_get_ctx(set), isl_error_invalid,do { isl_handle_error(isl_set_get_ctx(set), isl_error_invalid , "index out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4454); goto error; } while (0) |
| 4454 | "index out of bounds", goto error)do { isl_handle_error(isl_set_get_ctx(set), isl_error_invalid , "index out of bounds", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4454); goto error; } while (0); |
| 4455 | |
| 4456 | map = isl_map_from_domain(set); |
| 4457 | map = isl_map_add_dims(map, isl_dim_out, n); |
| 4458 | for (i = 0; i < n; ++i) |
| 4459 | map = isl_map_equate(map, isl_dim_in, first + i, |
| 4460 | isl_dim_out, i); |
| 4461 | return map; |
| 4462 | error: |
| 4463 | isl_set_free(set); |
| 4464 | return NULL((void*)0); |
| 4465 | } |
| 4466 | |
| 4467 | static struct isl_basic_map *add_divs(struct isl_basic_map *bmap, unsigned n) |
| 4468 | { |
| 4469 | int i, j; |
| 4470 | |
| 4471 | for (i = 0; i < n; ++i) { |
| 4472 | j = isl_basic_map_alloc_div(bmap); |
| 4473 | if (j < 0) |
| 4474 | goto error; |
| 4475 | isl_seq_clr(bmap->div[j], 1+1+isl_basic_map_total_dim(bmap)); |
| 4476 | } |
| 4477 | return bmap; |
| 4478 | error: |
| 4479 | isl_basic_map_free(bmap); |
| 4480 | return NULL((void*)0); |
| 4481 | } |
| 4482 | |
| 4483 | struct isl_basic_map *isl_basic_map_apply_range( |
| 4484 | struct isl_basic_map *bmap1, struct isl_basic_map *bmap2) |
| 4485 | { |
| 4486 | isl_space *dim_result = NULL((void*)0); |
| 4487 | struct isl_basic_map *bmap; |
| 4488 | unsigned n_in, n_out, n, nparam, total, pos; |
| 4489 | struct isl_dim_map *dim_map1, *dim_map2; |
| 4490 | |
| 4491 | if (isl_basic_map_check_equal_params(bmap1, bmap2) < 0) |
| 4492 | goto error; |
| 4493 | if (!isl_space_tuple_is_equal(bmap1->dim, isl_dim_out, |
| 4494 | bmap2->dim, isl_dim_in)) |
| 4495 | isl_die(isl_basic_map_get_ctx(bmap1), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap1), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4496); goto error; } while (0) |
| 4496 | "spaces don't match", goto error)do { isl_handle_error(isl_basic_map_get_ctx(bmap1), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4496); goto error; } while (0); |
| 4497 | |
| 4498 | dim_result = isl_space_join(isl_space_copy(bmap1->dim), |
| 4499 | isl_space_copy(bmap2->dim)); |
| 4500 | |
| 4501 | n_in = isl_basic_map_dim(bmap1, isl_dim_in); |
| 4502 | n_out = isl_basic_map_dim(bmap2, isl_dim_out); |
| 4503 | n = isl_basic_map_dim(bmap1, isl_dim_out); |
| 4504 | nparam = isl_basic_map_dim(bmap1, isl_dim_param); |
| 4505 | |
| 4506 | total = nparam + n_in + n_out + bmap1->n_div + bmap2->n_div + n; |
| 4507 | dim_map1 = isl_dim_map_alloc(bmap1->ctx, total); |
| 4508 | dim_map2 = isl_dim_map_alloc(bmap1->ctx, total); |
| 4509 | isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_param, pos = 0); |
| 4510 | isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_param, pos = 0); |
| 4511 | isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_in, pos += nparam); |
| 4512 | isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_out, pos += n_in); |
| 4513 | isl_dim_map_div(dim_map1, bmap1, pos += n_out); |
| 4514 | isl_dim_map_div(dim_map2, bmap2, pos += bmap1->n_div); |
| 4515 | isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_out, pos += bmap2->n_div); |
| 4516 | isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_in, pos); |
| 4517 | |
| 4518 | bmap = isl_basic_map_alloc_space(dim_result, |
| 4519 | bmap1->n_div + bmap2->n_div + n, |
| 4520 | bmap1->n_eq + bmap2->n_eq, |
| 4521 | bmap1->n_ineq + bmap2->n_ineq); |
| 4522 | bmap = isl_basic_map_add_constraints_dim_map(bmap, bmap1, dim_map1); |
| 4523 | bmap = isl_basic_map_add_constraints_dim_map(bmap, bmap2, dim_map2); |
| 4524 | bmap = add_divs(bmap, n); |
| 4525 | bmap = isl_basic_map_simplify(bmap); |
| 4526 | bmap = isl_basic_map_drop_redundant_divs(bmap); |
| 4527 | return isl_basic_map_finalize(bmap); |
| 4528 | error: |
| 4529 | isl_basic_map_free(bmap1); |
| 4530 | isl_basic_map_free(bmap2); |
| 4531 | return NULL((void*)0); |
| 4532 | } |
| 4533 | |
| 4534 | struct isl_basic_setisl_basic_map *isl_basic_set_apply( |
| 4535 | struct isl_basic_setisl_basic_map *bset, struct isl_basic_map *bmap) |
| 4536 | { |
| 4537 | if (!bset || !bmap) |
| 4538 | goto error; |
| 4539 | |
| 4540 | isl_assert(bset->ctx, isl_basic_map_compatible_domain(bmap, bset),do { if (isl_basic_map_compatible_domain(bmap, bset)) break; do { isl_handle_error(bset->ctx, isl_error_unknown, "Assertion \"" "isl_basic_map_compatible_domain(bmap, bset)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4541); goto error; } while (0); } while (0) |
| 4541 | goto error)do { if (isl_basic_map_compatible_domain(bmap, bset)) break; do { isl_handle_error(bset->ctx, isl_error_unknown, "Assertion \"" "isl_basic_map_compatible_domain(bmap, bset)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4541); goto error; } while (0); } while (0); |
| 4542 | |
| 4543 | return bset_from_bmap(isl_basic_map_apply_range(bset_to_bmap(bset), |
| 4544 | bmap)); |
| 4545 | error: |
| 4546 | isl_basic_set_free(bset); |
| 4547 | isl_basic_map_free(bmap); |
| 4548 | return NULL((void*)0); |
| 4549 | } |
| 4550 | |
| 4551 | struct isl_basic_map *isl_basic_map_apply_domain( |
| 4552 | struct isl_basic_map *bmap1, struct isl_basic_map *bmap2) |
| 4553 | { |
| 4554 | if (isl_basic_map_check_equal_params(bmap1, bmap2) < 0) |
| 4555 | goto error; |
| 4556 | if (!isl_space_tuple_is_equal(bmap1->dim, isl_dim_in, |
| 4557 | bmap2->dim, isl_dim_in)) |
| 4558 | isl_die(isl_basic_map_get_ctx(bmap1), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap1), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4559); goto error; } while (0) |
| 4559 | "spaces don't match", goto error)do { isl_handle_error(isl_basic_map_get_ctx(bmap1), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4559); goto error; } while (0); |
| 4560 | |
| 4561 | bmap1 = isl_basic_map_reverse(bmap1); |
| 4562 | bmap1 = isl_basic_map_apply_range(bmap1, bmap2); |
| 4563 | return isl_basic_map_reverse(bmap1); |
| 4564 | error: |
| 4565 | isl_basic_map_free(bmap1); |
| 4566 | isl_basic_map_free(bmap2); |
| 4567 | return NULL((void*)0); |
| 4568 | } |
| 4569 | |
| 4570 | /* Given two basic maps A -> f(A) and B -> g(B), construct a basic map |
| 4571 | * A \cap B -> f(A) + f(B) |
| 4572 | */ |
| 4573 | __isl_give isl_basic_map *isl_basic_map_sum(__isl_take isl_basic_map *bmap1, |
| 4574 | __isl_take isl_basic_map *bmap2) |
| 4575 | { |
| 4576 | unsigned n_in, n_out, nparam, total, pos; |
| 4577 | struct isl_basic_map *bmap = NULL((void*)0); |
| 4578 | struct isl_dim_map *dim_map1, *dim_map2; |
| 4579 | int i; |
| 4580 | |
| 4581 | if (!bmap1 || !bmap2) |
| 4582 | goto error; |
| 4583 | |
| 4584 | isl_assert(bmap1->ctx, isl_space_is_equal(bmap1->dim, bmap2->dim),do { if (isl_space_is_equal(bmap1->dim, bmap2->dim)) break ; do { isl_handle_error(bmap1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(bmap1->dim, bmap2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4585); goto error; } while (0); } while (0) |
| 4585 | goto error)do { if (isl_space_is_equal(bmap1->dim, bmap2->dim)) break ; do { isl_handle_error(bmap1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(bmap1->dim, bmap2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4585); goto error; } while (0); } while (0); |
| 4586 | |
| 4587 | nparam = isl_basic_map_dim(bmap1, isl_dim_param); |
| 4588 | n_in = isl_basic_map_dim(bmap1, isl_dim_in); |
| 4589 | n_out = isl_basic_map_dim(bmap1, isl_dim_out); |
| 4590 | |
| 4591 | total = nparam + n_in + n_out + bmap1->n_div + bmap2->n_div + 2 * n_out; |
| 4592 | dim_map1 = isl_dim_map_alloc(bmap1->ctx, total); |
| 4593 | dim_map2 = isl_dim_map_alloc(bmap2->ctx, total); |
| 4594 | isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_param, pos = 0); |
| 4595 | isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_param, pos); |
| 4596 | isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_in, pos += nparam); |
| 4597 | isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_in, pos); |
| 4598 | isl_dim_map_div(dim_map1, bmap1, pos += n_in + n_out); |
| 4599 | isl_dim_map_div(dim_map2, bmap2, pos += bmap1->n_div); |
| 4600 | isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_out, pos += bmap2->n_div); |
| 4601 | isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_out, pos += n_out); |
| 4602 | |
| 4603 | bmap = isl_basic_map_alloc_space(isl_space_copy(bmap1->dim), |
| 4604 | bmap1->n_div + bmap2->n_div + 2 * n_out, |
| 4605 | bmap1->n_eq + bmap2->n_eq + n_out, |
| 4606 | bmap1->n_ineq + bmap2->n_ineq); |
| 4607 | for (i = 0; i < n_out; ++i) { |
| 4608 | int j = isl_basic_map_alloc_equality(bmap); |
| 4609 | if (j < 0) |
| 4610 | goto error; |
| 4611 | isl_seq_clr(bmap->eq[j], 1+total); |
| 4612 | isl_int_set_si(bmap->eq[j][1+nparam+n_in+i], -1)isl_sioimath_set_si((bmap->eq[j][1+nparam+n_in+i]), -1); |
| 4613 | isl_int_set_si(bmap->eq[j][1+pos+i], 1)isl_sioimath_set_si((bmap->eq[j][1+pos+i]), 1); |
| 4614 | isl_int_set_si(bmap->eq[j][1+pos-n_out+i], 1)isl_sioimath_set_si((bmap->eq[j][1+pos-n_out+i]), 1); |
| 4615 | } |
| 4616 | bmap = isl_basic_map_add_constraints_dim_map(bmap, bmap1, dim_map1); |
| 4617 | bmap = isl_basic_map_add_constraints_dim_map(bmap, bmap2, dim_map2); |
| 4618 | bmap = add_divs(bmap, 2 * n_out); |
| 4619 | |
| 4620 | bmap = isl_basic_map_simplify(bmap); |
| 4621 | return isl_basic_map_finalize(bmap); |
| 4622 | error: |
| 4623 | isl_basic_map_free(bmap); |
| 4624 | isl_basic_map_free(bmap1); |
| 4625 | isl_basic_map_free(bmap2); |
| 4626 | return NULL((void*)0); |
| 4627 | } |
| 4628 | |
| 4629 | /* Given two maps A -> f(A) and B -> g(B), construct a map |
| 4630 | * A \cap B -> f(A) + f(B) |
| 4631 | */ |
| 4632 | __isl_give isl_map *isl_map_sum(__isl_take isl_map *map1, |
| 4633 | __isl_take isl_map *map2) |
| 4634 | { |
| 4635 | struct isl_map *result; |
| 4636 | int i, j; |
| 4637 | |
| 4638 | if (!map1 || !map2) |
| 4639 | goto error; |
| 4640 | |
| 4641 | isl_assert(map1->ctx, isl_space_is_equal(map1->dim, map2->dim), goto error)do { if (isl_space_is_equal(map1->dim, map2->dim)) break ; do { isl_handle_error(map1->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(map1->dim, map2->dim)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4641); goto error; } while (0); } while (0); |
| 4642 | |
| 4643 | result = isl_map_alloc_space(isl_space_copy(map1->dim), |
| 4644 | map1->n * map2->n, 0); |
| 4645 | if (!result) |
| 4646 | goto error; |
| 4647 | for (i = 0; i < map1->n; ++i) |
| 4648 | for (j = 0; j < map2->n; ++j) { |
| 4649 | struct isl_basic_map *part; |
| 4650 | part = isl_basic_map_sum( |
| 4651 | isl_basic_map_copy(map1->p[i]), |
| 4652 | isl_basic_map_copy(map2->p[j])); |
| 4653 | if (isl_basic_map_is_empty(part)) |
| 4654 | isl_basic_map_free(part); |
| 4655 | else |
| 4656 | result = isl_map_add_basic_map(result, part); |
| 4657 | if (!result) |
| 4658 | goto error; |
| 4659 | } |
| 4660 | isl_map_free(map1); |
| 4661 | isl_map_free(map2); |
| 4662 | return result; |
| 4663 | error: |
| 4664 | isl_map_free(map1); |
| 4665 | isl_map_free(map2); |
| 4666 | return NULL((void*)0); |
| 4667 | } |
| 4668 | |
| 4669 | __isl_give isl_setisl_map *isl_set_sum(__isl_take isl_setisl_map *set1, |
| 4670 | __isl_take isl_setisl_map *set2) |
| 4671 | { |
| 4672 | return set_from_map(isl_map_sum(set_to_map(set1), set_to_map(set2))); |
| 4673 | } |
| 4674 | |
| 4675 | /* Given a basic map A -> f(A), construct A -> -f(A). |
| 4676 | */ |
| 4677 | __isl_give isl_basic_map *isl_basic_map_neg(__isl_take isl_basic_map *bmap) |
| 4678 | { |
| 4679 | int i, j; |
| 4680 | unsigned off, n; |
| 4681 | |
| 4682 | bmap = isl_basic_map_cow(bmap); |
| 4683 | if (!bmap) |
| 4684 | return NULL((void*)0); |
| 4685 | |
| 4686 | n = isl_basic_map_dim(bmap, isl_dim_out); |
| 4687 | off = isl_basic_map_offset(bmap, isl_dim_out); |
| 4688 | for (i = 0; i < bmap->n_eq; ++i) |
| 4689 | for (j = 0; j < n; ++j) |
| 4690 | isl_int_neg(bmap->eq[i][off+j], bmap->eq[i][off+j])isl_sioimath_neg((bmap->eq[i][off+j]), *(bmap->eq[i][off +j])); |
| 4691 | for (i = 0; i < bmap->n_ineq; ++i) |
| 4692 | for (j = 0; j < n; ++j) |
| 4693 | isl_int_neg(bmap->ineq[i][off+j], bmap->ineq[i][off+j])isl_sioimath_neg((bmap->ineq[i][off+j]), *(bmap->ineq[i ][off+j])); |
| 4694 | for (i = 0; i < bmap->n_div; ++i) |
| 4695 | for (j = 0; j < n; ++j) |
| 4696 | isl_int_neg(bmap->div[i][1+off+j], bmap->div[i][1+off+j])isl_sioimath_neg((bmap->div[i][1+off+j]), *(bmap->div[i ][1+off+j])); |
| 4697 | bmap = isl_basic_map_gauss(bmap, NULL((void*)0)); |
| 4698 | return isl_basic_map_finalize(bmap); |
| 4699 | } |
| 4700 | |
| 4701 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_neg(__isl_take isl_basic_setisl_basic_map *bset) |
| 4702 | { |
| 4703 | return isl_basic_map_neg(bset); |
| 4704 | } |
| 4705 | |
| 4706 | /* Given a map A -> f(A), construct A -> -f(A). |
| 4707 | */ |
| 4708 | __isl_give isl_map *isl_map_neg(__isl_take isl_map *map) |
| 4709 | { |
| 4710 | int i; |
| 4711 | |
| 4712 | map = isl_map_cow(map); |
| 4713 | if (!map) |
| 4714 | return NULL((void*)0); |
| 4715 | |
| 4716 | for (i = 0; i < map->n; ++i) { |
| 4717 | map->p[i] = isl_basic_map_neg(map->p[i]); |
| 4718 | if (!map->p[i]) |
| 4719 | goto error; |
| 4720 | } |
| 4721 | |
| 4722 | return map; |
| 4723 | error: |
| 4724 | isl_map_free(map); |
| 4725 | return NULL((void*)0); |
| 4726 | } |
| 4727 | |
| 4728 | __isl_give isl_setisl_map *isl_set_neg(__isl_take isl_setisl_map *set) |
| 4729 | { |
| 4730 | return set_from_map(isl_map_neg(set_to_map(set))); |
| 4731 | } |
| 4732 | |
| 4733 | /* Given a basic map A -> f(A) and an integer d, construct a basic map |
| 4734 | * A -> floor(f(A)/d). |
| 4735 | */ |
| 4736 | __isl_give isl_basic_map *isl_basic_map_floordiv(__isl_take isl_basic_map *bmap, |
| 4737 | isl_int d) |
| 4738 | { |
| 4739 | unsigned n_in, n_out, nparam, total, pos; |
| 4740 | struct isl_basic_map *result = NULL((void*)0); |
| 4741 | struct isl_dim_map *dim_map; |
| 4742 | int i; |
| 4743 | |
| 4744 | if (!bmap) |
| 4745 | return NULL((void*)0); |
| 4746 | |
| 4747 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 4748 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 4749 | n_out = isl_basic_map_dim(bmap, isl_dim_out); |
| 4750 | |
| 4751 | total = nparam + n_in + n_out + bmap->n_div + n_out; |
| 4752 | dim_map = isl_dim_map_alloc(bmap->ctx, total); |
| 4753 | isl_dim_map_dim(dim_map, bmap->dim, isl_dim_param, pos = 0); |
| 4754 | isl_dim_map_dim(dim_map, bmap->dim, isl_dim_in, pos += nparam); |
| 4755 | isl_dim_map_div(dim_map, bmap, pos += n_in + n_out); |
| 4756 | isl_dim_map_dim(dim_map, bmap->dim, isl_dim_out, pos += bmap->n_div); |
| 4757 | |
| 4758 | result = isl_basic_map_alloc_space(isl_space_copy(bmap->dim), |
| 4759 | bmap->n_div + n_out, |
| 4760 | bmap->n_eq, bmap->n_ineq + 2 * n_out); |
| 4761 | result = isl_basic_map_add_constraints_dim_map(result, bmap, dim_map); |
| 4762 | result = add_divs(result, n_out); |
| 4763 | for (i = 0; i < n_out; ++i) { |
| 4764 | int j; |
| 4765 | j = isl_basic_map_alloc_inequality(result); |
| 4766 | if (j < 0) |
| 4767 | goto error; |
| 4768 | isl_seq_clr(result->ineq[j], 1+total); |
| 4769 | isl_int_neg(result->ineq[j][1+nparam+n_in+i], d)isl_sioimath_neg((result->ineq[j][1+nparam+n_in+i]), *(d)); |
| 4770 | isl_int_set_si(result->ineq[j][1+pos+i], 1)isl_sioimath_set_si((result->ineq[j][1+pos+i]), 1); |
| 4771 | j = isl_basic_map_alloc_inequality(result); |
| 4772 | if (j < 0) |
| 4773 | goto error; |
| 4774 | isl_seq_clr(result->ineq[j], 1+total); |
| 4775 | isl_int_set(result->ineq[j][1+nparam+n_in+i], d)isl_sioimath_set((result->ineq[j][1+nparam+n_in+i]), *(d)); |
| 4776 | isl_int_set_si(result->ineq[j][1+pos+i], -1)isl_sioimath_set_si((result->ineq[j][1+pos+i]), -1); |
| 4777 | isl_int_sub_ui(result->ineq[j][0], d, 1)isl_sioimath_sub_ui((result->ineq[j][0]), *(d), 1); |
| 4778 | } |
| 4779 | |
| 4780 | result = isl_basic_map_simplify(result); |
| 4781 | return isl_basic_map_finalize(result); |
| 4782 | error: |
| 4783 | isl_basic_map_free(result); |
| 4784 | return NULL((void*)0); |
| 4785 | } |
| 4786 | |
| 4787 | /* Given a map A -> f(A) and an integer d, construct a map |
| 4788 | * A -> floor(f(A)/d). |
| 4789 | */ |
| 4790 | __isl_give isl_map *isl_map_floordiv(__isl_take isl_map *map, isl_int d) |
| 4791 | { |
| 4792 | int i; |
| 4793 | |
| 4794 | map = isl_map_cow(map); |
| 4795 | if (!map) |
| 4796 | return NULL((void*)0); |
| 4797 | |
| 4798 | ISL_F_CLR(map, ISL_MAP_DISJOINT)(((map)->flags) &= ~((1 << 0))); |
| 4799 | for (i = 0; i < map->n; ++i) { |
| 4800 | map->p[i] = isl_basic_map_floordiv(map->p[i], d); |
| 4801 | if (!map->p[i]) |
| 4802 | goto error; |
| 4803 | } |
| 4804 | map = isl_map_unmark_normalized(map); |
| 4805 | |
| 4806 | return map; |
| 4807 | error: |
| 4808 | isl_map_free(map); |
| 4809 | return NULL((void*)0); |
| 4810 | } |
| 4811 | |
| 4812 | /* Given a map A -> f(A) and an integer d, construct a map |
| 4813 | * A -> floor(f(A)/d). |
| 4814 | */ |
| 4815 | __isl_give isl_map *isl_map_floordiv_val(__isl_take isl_map *map, |
| 4816 | __isl_take isl_val *d) |
| 4817 | { |
| 4818 | if (!map || !d) |
| 4819 | goto error; |
| 4820 | if (!isl_val_is_int(d)) |
| 4821 | isl_die(isl_val_get_ctx(d), isl_error_invalid,do { isl_handle_error(isl_val_get_ctx(d), isl_error_invalid, "expecting integer denominator" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4822); goto error; } while (0) |
| 4822 | "expecting integer denominator", goto error)do { isl_handle_error(isl_val_get_ctx(d), isl_error_invalid, "expecting integer denominator" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 4822); goto error; } while (0); |
| 4823 | map = isl_map_floordiv(map, d->n); |
| 4824 | isl_val_free(d); |
| 4825 | return map; |
| 4826 | error: |
| 4827 | isl_map_free(map); |
| 4828 | isl_val_free(d); |
| 4829 | return NULL((void*)0); |
| 4830 | } |
| 4831 | |
| 4832 | static __isl_give isl_basic_map *var_equal(__isl_take isl_basic_map *bmap, |
| 4833 | unsigned pos) |
| 4834 | { |
| 4835 | int i; |
| 4836 | unsigned nparam; |
| 4837 | unsigned n_in; |
| 4838 | |
| 4839 | i = isl_basic_map_alloc_equality(bmap); |
| 4840 | if (i < 0) |
| 4841 | goto error; |
| 4842 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 4843 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 4844 | isl_seq_clr(bmap->eq[i], 1 + isl_basic_map_total_dim(bmap)); |
| 4845 | isl_int_set_si(bmap->eq[i][1+nparam+pos], -1)isl_sioimath_set_si((bmap->eq[i][1+nparam+pos]), -1); |
| 4846 | isl_int_set_si(bmap->eq[i][1+nparam+n_in+pos], 1)isl_sioimath_set_si((bmap->eq[i][1+nparam+n_in+pos]), 1); |
| 4847 | return isl_basic_map_finalize(bmap); |
| 4848 | error: |
| 4849 | isl_basic_map_free(bmap); |
| 4850 | return NULL((void*)0); |
| 4851 | } |
| 4852 | |
| 4853 | /* Add a constraint to "bmap" expressing i_pos < o_pos |
| 4854 | */ |
| 4855 | static __isl_give isl_basic_map *var_less(__isl_take isl_basic_map *bmap, |
| 4856 | unsigned pos) |
| 4857 | { |
| 4858 | int i; |
| 4859 | unsigned nparam; |
| 4860 | unsigned n_in; |
| 4861 | |
| 4862 | i = isl_basic_map_alloc_inequality(bmap); |
| 4863 | if (i < 0) |
| 4864 | goto error; |
| 4865 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 4866 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 4867 | isl_seq_clr(bmap->ineq[i], 1 + isl_basic_map_total_dim(bmap)); |
| 4868 | isl_int_set_si(bmap->ineq[i][0], -1)isl_sioimath_set_si((bmap->ineq[i][0]), -1); |
| 4869 | isl_int_set_si(bmap->ineq[i][1+nparam+pos], -1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+pos]), -1); |
| 4870 | isl_int_set_si(bmap->ineq[i][1+nparam+n_in+pos], 1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+n_in+pos]), 1); |
| 4871 | return isl_basic_map_finalize(bmap); |
| 4872 | error: |
| 4873 | isl_basic_map_free(bmap); |
| 4874 | return NULL((void*)0); |
| 4875 | } |
| 4876 | |
| 4877 | /* Add a constraint to "bmap" expressing i_pos <= o_pos |
| 4878 | */ |
| 4879 | static __isl_give isl_basic_map *var_less_or_equal( |
| 4880 | __isl_take isl_basic_map *bmap, unsigned pos) |
| 4881 | { |
| 4882 | int i; |
| 4883 | unsigned nparam; |
| 4884 | unsigned n_in; |
| 4885 | |
| 4886 | i = isl_basic_map_alloc_inequality(bmap); |
| 4887 | if (i < 0) |
| 4888 | goto error; |
| 4889 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 4890 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 4891 | isl_seq_clr(bmap->ineq[i], 1 + isl_basic_map_total_dim(bmap)); |
| 4892 | isl_int_set_si(bmap->ineq[i][1+nparam+pos], -1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+pos]), -1); |
| 4893 | isl_int_set_si(bmap->ineq[i][1+nparam+n_in+pos], 1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+n_in+pos]), 1); |
| 4894 | return isl_basic_map_finalize(bmap); |
| 4895 | error: |
| 4896 | isl_basic_map_free(bmap); |
| 4897 | return NULL((void*)0); |
| 4898 | } |
| 4899 | |
| 4900 | /* Add a constraint to "bmap" expressing i_pos > o_pos |
| 4901 | */ |
| 4902 | static __isl_give isl_basic_map *var_more(__isl_take isl_basic_map *bmap, |
| 4903 | unsigned pos) |
| 4904 | { |
| 4905 | int i; |
| 4906 | unsigned nparam; |
| 4907 | unsigned n_in; |
| 4908 | |
| 4909 | i = isl_basic_map_alloc_inequality(bmap); |
| 4910 | if (i < 0) |
| 4911 | goto error; |
| 4912 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 4913 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 4914 | isl_seq_clr(bmap->ineq[i], 1 + isl_basic_map_total_dim(bmap)); |
| 4915 | isl_int_set_si(bmap->ineq[i][0], -1)isl_sioimath_set_si((bmap->ineq[i][0]), -1); |
| 4916 | isl_int_set_si(bmap->ineq[i][1+nparam+pos], 1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+pos]), 1); |
| 4917 | isl_int_set_si(bmap->ineq[i][1+nparam+n_in+pos], -1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+n_in+pos]), -1 ); |
| 4918 | return isl_basic_map_finalize(bmap); |
| 4919 | error: |
| 4920 | isl_basic_map_free(bmap); |
| 4921 | return NULL((void*)0); |
| 4922 | } |
| 4923 | |
| 4924 | /* Add a constraint to "bmap" expressing i_pos >= o_pos |
| 4925 | */ |
| 4926 | static __isl_give isl_basic_map *var_more_or_equal( |
| 4927 | __isl_take isl_basic_map *bmap, unsigned pos) |
| 4928 | { |
| 4929 | int i; |
| 4930 | unsigned nparam; |
| 4931 | unsigned n_in; |
| 4932 | |
| 4933 | i = isl_basic_map_alloc_inequality(bmap); |
| 4934 | if (i < 0) |
| 4935 | goto error; |
| 4936 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 4937 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 4938 | isl_seq_clr(bmap->ineq[i], 1 + isl_basic_map_total_dim(bmap)); |
| 4939 | isl_int_set_si(bmap->ineq[i][1+nparam+pos], 1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+pos]), 1); |
| 4940 | isl_int_set_si(bmap->ineq[i][1+nparam+n_in+pos], -1)isl_sioimath_set_si((bmap->ineq[i][1+nparam+n_in+pos]), -1 ); |
| 4941 | return isl_basic_map_finalize(bmap); |
| 4942 | error: |
| 4943 | isl_basic_map_free(bmap); |
| 4944 | return NULL((void*)0); |
| 4945 | } |
| 4946 | |
| 4947 | __isl_give isl_basic_map *isl_basic_map_equal( |
| 4948 | __isl_take isl_space *dim, unsigned n_equal) |
| 4949 | { |
| 4950 | int i; |
| 4951 | struct isl_basic_map *bmap; |
| 4952 | bmap = isl_basic_map_alloc_space(dim, 0, n_equal, 0); |
| 4953 | if (!bmap) |
| 4954 | return NULL((void*)0); |
| 4955 | for (i = 0; i < n_equal && bmap; ++i) |
| 4956 | bmap = var_equal(bmap, i); |
| 4957 | return isl_basic_map_finalize(bmap); |
| 4958 | } |
| 4959 | |
| 4960 | /* Return a relation on of dimension "dim" expressing i_[0..pos] << o_[0..pos] |
| 4961 | */ |
| 4962 | __isl_give isl_basic_map *isl_basic_map_less_at(__isl_take isl_space *dim, |
| 4963 | unsigned pos) |
| 4964 | { |
| 4965 | int i; |
| 4966 | struct isl_basic_map *bmap; |
| 4967 | bmap = isl_basic_map_alloc_space(dim, 0, pos, 1); |
| 4968 | if (!bmap) |
| 4969 | return NULL((void*)0); |
| 4970 | for (i = 0; i < pos && bmap; ++i) |
| 4971 | bmap = var_equal(bmap, i); |
| 4972 | if (bmap) |
| 4973 | bmap = var_less(bmap, pos); |
| 4974 | return isl_basic_map_finalize(bmap); |
| 4975 | } |
| 4976 | |
| 4977 | /* Return a relation on "dim" expressing i_[0..pos] <<= o_[0..pos] |
| 4978 | */ |
| 4979 | __isl_give isl_basic_map *isl_basic_map_less_or_equal_at( |
| 4980 | __isl_take isl_space *dim, unsigned pos) |
| 4981 | { |
| 4982 | int i; |
| 4983 | isl_basic_map *bmap; |
| 4984 | |
| 4985 | bmap = isl_basic_map_alloc_space(dim, 0, pos, 1); |
| 4986 | for (i = 0; i < pos; ++i) |
| 4987 | bmap = var_equal(bmap, i); |
| 4988 | bmap = var_less_or_equal(bmap, pos); |
| 4989 | return isl_basic_map_finalize(bmap); |
| 4990 | } |
| 4991 | |
| 4992 | /* Return a relation on "dim" expressing i_pos > o_pos |
| 4993 | */ |
| 4994 | __isl_give isl_basic_map *isl_basic_map_more_at(__isl_take isl_space *dim, |
| 4995 | unsigned pos) |
| 4996 | { |
| 4997 | int i; |
| 4998 | struct isl_basic_map *bmap; |
| 4999 | bmap = isl_basic_map_alloc_space(dim, 0, pos, 1); |
| 5000 | if (!bmap) |
| 5001 | return NULL((void*)0); |
| 5002 | for (i = 0; i < pos && bmap; ++i) |
| 5003 | bmap = var_equal(bmap, i); |
| 5004 | if (bmap) |
| 5005 | bmap = var_more(bmap, pos); |
| 5006 | return isl_basic_map_finalize(bmap); |
| 5007 | } |
| 5008 | |
| 5009 | /* Return a relation on "dim" expressing i_[0..pos] >>= o_[0..pos] |
| 5010 | */ |
| 5011 | __isl_give isl_basic_map *isl_basic_map_more_or_equal_at( |
| 5012 | __isl_take isl_space *dim, unsigned pos) |
| 5013 | { |
| 5014 | int i; |
| 5015 | isl_basic_map *bmap; |
| 5016 | |
| 5017 | bmap = isl_basic_map_alloc_space(dim, 0, pos, 1); |
| 5018 | for (i = 0; i < pos; ++i) |
| 5019 | bmap = var_equal(bmap, i); |
| 5020 | bmap = var_more_or_equal(bmap, pos); |
| 5021 | return isl_basic_map_finalize(bmap); |
| 5022 | } |
| 5023 | |
| 5024 | static __isl_give isl_map *map_lex_lte_first(__isl_take isl_space *dims, |
| 5025 | unsigned n, int equal) |
| 5026 | { |
| 5027 | struct isl_map *map; |
| 5028 | int i; |
| 5029 | |
| 5030 | if (n == 0 && equal) |
| 5031 | return isl_map_universe(dims); |
| 5032 | |
| 5033 | map = isl_map_alloc_space(isl_space_copy(dims), n, ISL_MAP_DISJOINT(1 << 0)); |
| 5034 | |
| 5035 | for (i = 0; i + 1 < n; ++i) |
| 5036 | map = isl_map_add_basic_map(map, |
| 5037 | isl_basic_map_less_at(isl_space_copy(dims), i)); |
| 5038 | if (n > 0) { |
| 5039 | if (equal) |
| 5040 | map = isl_map_add_basic_map(map, |
| 5041 | isl_basic_map_less_or_equal_at(dims, n - 1)); |
| 5042 | else |
| 5043 | map = isl_map_add_basic_map(map, |
| 5044 | isl_basic_map_less_at(dims, n - 1)); |
| 5045 | } else |
| 5046 | isl_space_free(dims); |
| 5047 | |
| 5048 | return map; |
| 5049 | } |
| 5050 | |
| 5051 | static __isl_give isl_map *map_lex_lte(__isl_take isl_space *dims, int equal) |
| 5052 | { |
| 5053 | if (!dims) |
| 5054 | return NULL((void*)0); |
| 5055 | return map_lex_lte_first(dims, dims->n_out, equal); |
| 5056 | } |
| 5057 | |
| 5058 | __isl_give isl_map *isl_map_lex_lt_first(__isl_take isl_space *dim, unsigned n) |
| 5059 | { |
| 5060 | return map_lex_lte_first(dim, n, 0); |
| 5061 | } |
| 5062 | |
| 5063 | __isl_give isl_map *isl_map_lex_le_first(__isl_take isl_space *dim, unsigned n) |
| 5064 | { |
| 5065 | return map_lex_lte_first(dim, n, 1); |
| 5066 | } |
| 5067 | |
| 5068 | __isl_give isl_map *isl_map_lex_lt(__isl_take isl_space *set_dim) |
| 5069 | { |
| 5070 | return map_lex_lte(isl_space_map_from_set(set_dim), 0); |
| 5071 | } |
| 5072 | |
| 5073 | __isl_give isl_map *isl_map_lex_le(__isl_take isl_space *set_dim) |
| 5074 | { |
| 5075 | return map_lex_lte(isl_space_map_from_set(set_dim), 1); |
| 5076 | } |
| 5077 | |
| 5078 | static __isl_give isl_map *map_lex_gte_first(__isl_take isl_space *dims, |
| 5079 | unsigned n, int equal) |
| 5080 | { |
| 5081 | struct isl_map *map; |
| 5082 | int i; |
| 5083 | |
| 5084 | if (n == 0 && equal) |
| 5085 | return isl_map_universe(dims); |
| 5086 | |
| 5087 | map = isl_map_alloc_space(isl_space_copy(dims), n, ISL_MAP_DISJOINT(1 << 0)); |
| 5088 | |
| 5089 | for (i = 0; i + 1 < n; ++i) |
| 5090 | map = isl_map_add_basic_map(map, |
| 5091 | isl_basic_map_more_at(isl_space_copy(dims), i)); |
| 5092 | if (n > 0) { |
| 5093 | if (equal) |
| 5094 | map = isl_map_add_basic_map(map, |
| 5095 | isl_basic_map_more_or_equal_at(dims, n - 1)); |
| 5096 | else |
| 5097 | map = isl_map_add_basic_map(map, |
| 5098 | isl_basic_map_more_at(dims, n - 1)); |
| 5099 | } else |
| 5100 | isl_space_free(dims); |
| 5101 | |
| 5102 | return map; |
| 5103 | } |
| 5104 | |
| 5105 | static __isl_give isl_map *map_lex_gte(__isl_take isl_space *dims, int equal) |
| 5106 | { |
| 5107 | if (!dims) |
| 5108 | return NULL((void*)0); |
| 5109 | return map_lex_gte_first(dims, dims->n_out, equal); |
| 5110 | } |
| 5111 | |
| 5112 | __isl_give isl_map *isl_map_lex_gt_first(__isl_take isl_space *dim, unsigned n) |
| 5113 | { |
| 5114 | return map_lex_gte_first(dim, n, 0); |
| 5115 | } |
| 5116 | |
| 5117 | __isl_give isl_map *isl_map_lex_ge_first(__isl_take isl_space *dim, unsigned n) |
| 5118 | { |
| 5119 | return map_lex_gte_first(dim, n, 1); |
| 5120 | } |
| 5121 | |
| 5122 | __isl_give isl_map *isl_map_lex_gt(__isl_take isl_space *set_dim) |
| 5123 | { |
| 5124 | return map_lex_gte(isl_space_map_from_set(set_dim), 0); |
| 5125 | } |
| 5126 | |
| 5127 | __isl_give isl_map *isl_map_lex_ge(__isl_take isl_space *set_dim) |
| 5128 | { |
| 5129 | return map_lex_gte(isl_space_map_from_set(set_dim), 1); |
| 5130 | } |
| 5131 | |
| 5132 | __isl_give isl_map *isl_set_lex_le_set(__isl_take isl_setisl_map *set1, |
| 5133 | __isl_take isl_setisl_map *set2) |
| 5134 | { |
| 5135 | isl_map *map; |
| 5136 | map = isl_map_lex_le(isl_set_get_space(set1)); |
| 5137 | map = isl_map_intersect_domain(map, set1); |
| 5138 | map = isl_map_intersect_range(map, set2); |
| 5139 | return map; |
| 5140 | } |
| 5141 | |
| 5142 | __isl_give isl_map *isl_set_lex_lt_set(__isl_take isl_setisl_map *set1, |
| 5143 | __isl_take isl_setisl_map *set2) |
| 5144 | { |
| 5145 | isl_map *map; |
| 5146 | map = isl_map_lex_lt(isl_set_get_space(set1)); |
| 5147 | map = isl_map_intersect_domain(map, set1); |
| 5148 | map = isl_map_intersect_range(map, set2); |
| 5149 | return map; |
| 5150 | } |
| 5151 | |
| 5152 | __isl_give isl_map *isl_set_lex_ge_set(__isl_take isl_setisl_map *set1, |
| 5153 | __isl_take isl_setisl_map *set2) |
| 5154 | { |
| 5155 | isl_map *map; |
| 5156 | map = isl_map_lex_ge(isl_set_get_space(set1)); |
| 5157 | map = isl_map_intersect_domain(map, set1); |
| 5158 | map = isl_map_intersect_range(map, set2); |
| 5159 | return map; |
| 5160 | } |
| 5161 | |
| 5162 | __isl_give isl_map *isl_set_lex_gt_set(__isl_take isl_setisl_map *set1, |
| 5163 | __isl_take isl_setisl_map *set2) |
| 5164 | { |
| 5165 | isl_map *map; |
| 5166 | map = isl_map_lex_gt(isl_set_get_space(set1)); |
| 5167 | map = isl_map_intersect_domain(map, set1); |
| 5168 | map = isl_map_intersect_range(map, set2); |
| 5169 | return map; |
| 5170 | } |
| 5171 | |
| 5172 | __isl_give isl_map *isl_map_lex_le_map(__isl_take isl_map *map1, |
| 5173 | __isl_take isl_map *map2) |
| 5174 | { |
| 5175 | isl_map *map; |
| 5176 | map = isl_map_lex_le(isl_space_range(isl_map_get_space(map1))); |
| 5177 | map = isl_map_apply_domain(map, isl_map_reverse(map1)); |
| 5178 | map = isl_map_apply_range(map, isl_map_reverse(map2)); |
| 5179 | return map; |
| 5180 | } |
| 5181 | |
| 5182 | __isl_give isl_map *isl_map_lex_lt_map(__isl_take isl_map *map1, |
| 5183 | __isl_take isl_map *map2) |
| 5184 | { |
| 5185 | isl_map *map; |
| 5186 | map = isl_map_lex_lt(isl_space_range(isl_map_get_space(map1))); |
| 5187 | map = isl_map_apply_domain(map, isl_map_reverse(map1)); |
| 5188 | map = isl_map_apply_range(map, isl_map_reverse(map2)); |
| 5189 | return map; |
| 5190 | } |
| 5191 | |
| 5192 | __isl_give isl_map *isl_map_lex_ge_map(__isl_take isl_map *map1, |
| 5193 | __isl_take isl_map *map2) |
| 5194 | { |
| 5195 | isl_map *map; |
| 5196 | map = isl_map_lex_ge(isl_space_range(isl_map_get_space(map1))); |
| 5197 | map = isl_map_apply_domain(map, isl_map_reverse(map1)); |
| 5198 | map = isl_map_apply_range(map, isl_map_reverse(map2)); |
| 5199 | return map; |
| 5200 | } |
| 5201 | |
| 5202 | __isl_give isl_map *isl_map_lex_gt_map(__isl_take isl_map *map1, |
| 5203 | __isl_take isl_map *map2) |
| 5204 | { |
| 5205 | isl_map *map; |
| 5206 | map = isl_map_lex_gt(isl_space_range(isl_map_get_space(map1))); |
| 5207 | map = isl_map_apply_domain(map, isl_map_reverse(map1)); |
| 5208 | map = isl_map_apply_range(map, isl_map_reverse(map2)); |
| 5209 | return map; |
| 5210 | } |
| 5211 | |
| 5212 | /* For a div d = floor(f/m), add the constraint |
| 5213 | * |
| 5214 | * f - m d >= 0 |
| 5215 | */ |
| 5216 | static isl_stat add_upper_div_constraint(__isl_keep isl_basic_map *bmap, |
| 5217 | unsigned pos, isl_int *div) |
| 5218 | { |
| 5219 | int i; |
| 5220 | unsigned total = isl_basic_map_total_dim(bmap); |
| 5221 | |
| 5222 | i = isl_basic_map_alloc_inequality(bmap); |
| 5223 | if (i < 0) |
| 5224 | return isl_stat_error; |
| 5225 | isl_seq_cpy(bmap->ineq[i], div + 1, 1 + total); |
| 5226 | isl_int_neg(bmap->ineq[i][1 + pos], div[0])isl_sioimath_neg((bmap->ineq[i][1 + pos]), *(div[0])); |
| 5227 | |
| 5228 | return isl_stat_ok; |
| 5229 | } |
| 5230 | |
| 5231 | /* For a div d = floor(f/m), add the constraint |
| 5232 | * |
| 5233 | * -(f-(m-1)) + m d >= 0 |
| 5234 | */ |
| 5235 | static isl_stat add_lower_div_constraint(__isl_keep isl_basic_map *bmap, |
| 5236 | unsigned pos, isl_int *div) |
| 5237 | { |
| 5238 | int i; |
| 5239 | unsigned total = isl_basic_map_total_dim(bmap); |
| 5240 | |
| 5241 | i = isl_basic_map_alloc_inequality(bmap); |
| 5242 | if (i < 0) |
| 5243 | return isl_stat_error; |
| 5244 | isl_seq_neg(bmap->ineq[i], div + 1, 1 + total); |
| 5245 | isl_int_set(bmap->ineq[i][1 + pos], div[0])isl_sioimath_set((bmap->ineq[i][1 + pos]), *(div[0])); |
| 5246 | isl_int_add(bmap->ineq[i][0], bmap->ineq[i][0], bmap->ineq[i][1 + pos])isl_sioimath_add((bmap->ineq[i][0]), *(bmap->ineq[i][0] ), *(bmap->ineq[i][1 + pos])); |
| 5247 | isl_int_sub_ui(bmap->ineq[i][0], bmap->ineq[i][0], 1)isl_sioimath_sub_ui((bmap->ineq[i][0]), *(bmap->ineq[i] [0]), 1); |
| 5248 | |
| 5249 | return isl_stat_ok; |
| 5250 | } |
| 5251 | |
| 5252 | /* For a div d = floor(f/m), add the constraints |
| 5253 | * |
| 5254 | * f - m d >= 0 |
| 5255 | * -(f-(m-1)) + m d >= 0 |
| 5256 | * |
| 5257 | * Note that the second constraint is the negation of |
| 5258 | * |
| 5259 | * f - m d >= m |
| 5260 | */ |
| 5261 | int isl_basic_map_add_div_constraints_var(__isl_keep isl_basic_map *bmap, |
| 5262 | unsigned pos, isl_int *div) |
| 5263 | { |
| 5264 | if (add_upper_div_constraint(bmap, pos, div) < 0) |
| 5265 | return -1; |
| 5266 | if (add_lower_div_constraint(bmap, pos, div) < 0) |
| 5267 | return -1; |
| 5268 | return 0; |
| 5269 | } |
| 5270 | |
| 5271 | int isl_basic_set_add_div_constraints_var(__isl_keep isl_basic_setisl_basic_map *bset, |
| 5272 | unsigned pos, isl_int *div) |
| 5273 | { |
| 5274 | return isl_basic_map_add_div_constraints_var(bset_to_bmap(bset), |
| 5275 | pos, div); |
| 5276 | } |
| 5277 | |
| 5278 | int isl_basic_map_add_div_constraints(struct isl_basic_map *bmap, unsigned div) |
| 5279 | { |
| 5280 | unsigned total = isl_basic_map_total_dim(bmap); |
| 5281 | unsigned div_pos = total - bmap->n_div + div; |
| 5282 | |
| 5283 | return isl_basic_map_add_div_constraints_var(bmap, div_pos, |
| 5284 | bmap->div[div]); |
| 5285 | } |
| 5286 | |
| 5287 | /* For each known div d = floor(f/m), add the constraints |
| 5288 | * |
| 5289 | * f - m d >= 0 |
| 5290 | * -(f-(m-1)) + m d >= 0 |
| 5291 | * |
| 5292 | * Remove duplicate constraints in case of some these div constraints |
| 5293 | * already appear in "bmap". |
| 5294 | */ |
| 5295 | __isl_give isl_basic_map *isl_basic_map_add_known_div_constraints( |
| 5296 | __isl_take isl_basic_map *bmap) |
| 5297 | { |
| 5298 | unsigned n_div; |
| 5299 | |
| 5300 | if (!bmap) |
| 5301 | return NULL((void*)0); |
| 5302 | n_div = isl_basic_map_dim(bmap, isl_dim_div); |
| 5303 | if (n_div == 0) |
| 5304 | return bmap; |
| 5305 | |
| 5306 | bmap = add_known_div_constraints(bmap); |
| 5307 | bmap = isl_basic_map_remove_duplicate_constraints(bmap, NULL((void*)0), 0); |
| 5308 | bmap = isl_basic_map_finalize(bmap); |
| 5309 | return bmap; |
| 5310 | } |
| 5311 | |
| 5312 | /* Add the div constraint of sign "sign" for div "div" of "bmap". |
| 5313 | * |
| 5314 | * In particular, if this div is of the form d = floor(f/m), |
| 5315 | * then add the constraint |
| 5316 | * |
| 5317 | * f - m d >= 0 |
| 5318 | * |
| 5319 | * if sign < 0 or the constraint |
| 5320 | * |
| 5321 | * -(f-(m-1)) + m d >= 0 |
| 5322 | * |
| 5323 | * if sign > 0. |
| 5324 | */ |
| 5325 | int isl_basic_map_add_div_constraint(__isl_keep isl_basic_map *bmap, |
| 5326 | unsigned div, int sign) |
| 5327 | { |
| 5328 | unsigned total; |
| 5329 | unsigned div_pos; |
| 5330 | |
| 5331 | if (!bmap) |
| 5332 | return -1; |
| 5333 | |
| 5334 | total = isl_basic_map_total_dim(bmap); |
| 5335 | div_pos = total - bmap->n_div + div; |
| 5336 | |
| 5337 | if (sign < 0) |
| 5338 | return add_upper_div_constraint(bmap, div_pos, bmap->div[div]); |
| 5339 | else |
| 5340 | return add_lower_div_constraint(bmap, div_pos, bmap->div[div]); |
| 5341 | } |
| 5342 | |
| 5343 | __isl_give isl_basic_setisl_basic_map *isl_basic_map_underlying_set( |
| 5344 | __isl_take isl_basic_map *bmap) |
| 5345 | { |
| 5346 | if (!bmap) |
| 5347 | goto error; |
| 5348 | if (bmap->dim->nparam == 0 && bmap->dim->n_in == 0 && |
| 5349 | bmap->n_div == 0 && |
| 5350 | !isl_space_is_named_or_nested(bmap->dim, isl_dim_in) && |
| 5351 | !isl_space_is_named_or_nested(bmap->dim, isl_dim_out)) |
| 5352 | return bset_from_bmap(bmap); |
| 5353 | bmap = isl_basic_map_cow(bmap); |
| 5354 | if (!bmap) |
| 5355 | goto error; |
| 5356 | bmap->dim = isl_space_underlying(bmap->dim, bmap->n_div); |
| 5357 | if (!bmap->dim) |
| 5358 | goto error; |
| 5359 | bmap->extra -= bmap->n_div; |
| 5360 | bmap->n_div = 0; |
| 5361 | bmap = isl_basic_map_finalize(bmap); |
| 5362 | return bset_from_bmap(bmap); |
| 5363 | error: |
| 5364 | isl_basic_map_free(bmap); |
| 5365 | return NULL((void*)0); |
| 5366 | } |
| 5367 | |
| 5368 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_underlying_set( |
| 5369 | __isl_take isl_basic_setisl_basic_map *bset) |
| 5370 | { |
| 5371 | return isl_basic_map_underlying_set(bset_to_bmap(bset)); |
| 5372 | } |
| 5373 | |
| 5374 | /* Replace each element in "list" by the result of applying |
| 5375 | * isl_basic_map_underlying_set to the element. |
| 5376 | */ |
| 5377 | __isl_give isl_basic_set_listisl_basic_map_list *isl_basic_map_list_underlying_set( |
| 5378 | __isl_take isl_basic_map_list *list) |
| 5379 | { |
| 5380 | int i, n; |
| 5381 | |
| 5382 | if (!list) |
| 5383 | return NULL((void*)0); |
| 5384 | |
| 5385 | n = isl_basic_map_list_n_basic_map(list); |
| 5386 | for (i = 0; i < n; ++i) { |
| 5387 | isl_basic_map *bmap; |
| 5388 | isl_basic_setisl_basic_map *bset; |
| 5389 | |
| 5390 | bmap = isl_basic_map_list_get_basic_map(list, i); |
| 5391 | bset = isl_basic_set_underlying_set(bmap); |
| 5392 | list = isl_basic_set_list_set_basic_set(list, i, bset); |
| 5393 | } |
| 5394 | |
| 5395 | return list; |
| 5396 | } |
| 5397 | |
| 5398 | __isl_give isl_basic_map *isl_basic_map_overlying_set( |
| 5399 | __isl_take isl_basic_setisl_basic_map *bset, __isl_take isl_basic_map *like) |
| 5400 | { |
| 5401 | struct isl_basic_map *bmap; |
| 5402 | struct isl_ctx *ctx; |
| 5403 | unsigned total; |
| 5404 | int i; |
| 5405 | |
| 5406 | if (!bset || !like) |
| 5407 | goto error; |
| 5408 | ctx = bset->ctx; |
| 5409 | isl_assert(ctx, bset->n_div == 0, goto error)do { if (bset->n_div == 0) break; do { isl_handle_error(ctx , isl_error_unknown, "Assertion \"" "bset->n_div == 0" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5409); goto error; } while (0); } while (0); |
| 5410 | isl_assert(ctx, isl_basic_set_n_param(bset) == 0, goto error)do { if (isl_basic_set_n_param(bset) == 0) break; do { isl_handle_error (ctx, isl_error_unknown, "Assertion \"" "isl_basic_set_n_param(bset) == 0" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5410); goto error; } while (0); } while (0); |
| 5411 | isl_assert(ctx, bset->dim->n_out == isl_basic_map_total_dim(like),do { if (bset->dim->n_out == isl_basic_map_total_dim(like )) break; do { isl_handle_error(ctx, isl_error_unknown, "Assertion \"" "bset->dim->n_out == isl_basic_map_total_dim(like)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5412); goto error; } while (0); } while (0) |
| 5412 | goto error)do { if (bset->dim->n_out == isl_basic_map_total_dim(like )) break; do { isl_handle_error(ctx, isl_error_unknown, "Assertion \"" "bset->dim->n_out == isl_basic_map_total_dim(like)" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5412); goto error; } while (0); } while (0); |
| 5413 | if (like->n_div == 0) { |
| 5414 | isl_space *space = isl_basic_map_get_space(like); |
| 5415 | isl_basic_map_free(like); |
| 5416 | return isl_basic_map_reset_space(bset, space); |
| 5417 | } |
| 5418 | bset = isl_basic_set_cow(bset); |
| 5419 | if (!bset) |
| 5420 | goto error; |
| 5421 | total = bset->dim->n_out + bset->extra; |
| 5422 | bmap = bset_to_bmap(bset); |
| 5423 | isl_space_free(bmap->dim); |
| 5424 | bmap->dim = isl_space_copy(like->dim); |
| 5425 | if (!bmap->dim) |
| 5426 | goto error; |
| 5427 | bmap->n_div = like->n_div; |
| 5428 | bmap->extra += like->n_div; |
| 5429 | if (bmap->extra) { |
| 5430 | unsigned ltotal; |
| 5431 | isl_int **div; |
| 5432 | ltotal = total - bmap->extra + like->extra; |
| 5433 | if (ltotal > total) |
| 5434 | ltotal = total; |
| 5435 | bmap->block2 = isl_blk_extend(ctx, bmap->block2, |
| 5436 | bmap->extra * (1 + 1 + total)); |
| 5437 | if (isl_blk_is_error(bmap->block2)) |
| 5438 | goto error; |
| 5439 | div = isl_realloc_array(ctx, bmap->div, isl_int *, bmap->extra)((isl_int * *)isl_realloc_or_die(ctx, bmap->div, (bmap-> extra)*sizeof(isl_int *))); |
| 5440 | if (!div) |
| 5441 | goto error; |
| 5442 | bmap->div = div; |
| 5443 | for (i = 0; i < bmap->extra; ++i) |
| 5444 | bmap->div[i] = bmap->block2.data + i * (1 + 1 + total); |
| 5445 | for (i = 0; i < like->n_div; ++i) { |
| 5446 | isl_seq_cpy(bmap->div[i], like->div[i], 1 + 1 + ltotal); |
| 5447 | isl_seq_clr(bmap->div[i]+1+1+ltotal, total - ltotal); |
| 5448 | } |
| 5449 | bmap = isl_basic_map_add_known_div_constraints(bmap); |
| 5450 | } |
| 5451 | isl_basic_map_free(like); |
| 5452 | bmap = isl_basic_map_simplify(bmap); |
| 5453 | bmap = isl_basic_map_finalize(bmap); |
| 5454 | return bmap; |
| 5455 | error: |
| 5456 | isl_basic_map_free(like); |
| 5457 | isl_basic_set_free(bset); |
| 5458 | return NULL((void*)0); |
| 5459 | } |
| 5460 | |
| 5461 | struct isl_basic_setisl_basic_map *isl_basic_set_from_underlying_set( |
| 5462 | struct isl_basic_setisl_basic_map *bset, struct isl_basic_setisl_basic_map *like) |
| 5463 | { |
| 5464 | return bset_from_bmap(isl_basic_map_overlying_set(bset, |
| 5465 | bset_to_bmap(like))); |
| 5466 | } |
| 5467 | |
| 5468 | __isl_give isl_setisl_map *isl_map_underlying_set(__isl_take isl_map *map) |
| 5469 | { |
| 5470 | int i; |
| 5471 | |
| 5472 | map = isl_map_cow(map); |
| 5473 | if (!map) |
| 5474 | return NULL((void*)0); |
| 5475 | map->dim = isl_space_cow(map->dim); |
| 5476 | if (!map->dim) |
| 5477 | goto error; |
| 5478 | |
| 5479 | for (i = 1; i < map->n; ++i) |
| 5480 | isl_assert(map->ctx, map->p[0]->n_div == map->p[i]->n_div,do { if (map->p[0]->n_div == map->p[i]->n_div) break ; do { isl_handle_error(map->ctx, isl_error_unknown, "Assertion \"" "map->p[0]->n_div == map->p[i]->n_div" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5481); goto error; } while (0); } while (0) |
| 5481 | goto error)do { if (map->p[0]->n_div == map->p[i]->n_div) break ; do { isl_handle_error(map->ctx, isl_error_unknown, "Assertion \"" "map->p[0]->n_div == map->p[i]->n_div" "\" failed" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5481); goto error; } while (0); } while (0); |
| 5482 | for (i = 0; i < map->n; ++i) { |
| 5483 | map->p[i] = bset_to_bmap( |
| 5484 | isl_basic_map_underlying_set(map->p[i])); |
| 5485 | if (!map->p[i]) |
| 5486 | goto error; |
| 5487 | } |
| 5488 | if (map->n == 0) |
| 5489 | map->dim = isl_space_underlying(map->dim, 0); |
| 5490 | else { |
| 5491 | isl_space_free(map->dim); |
| 5492 | map->dim = isl_space_copy(map->p[0]->dim); |
| 5493 | } |
| 5494 | if (!map->dim) |
| 5495 | goto error; |
| 5496 | return set_from_map(map); |
| 5497 | error: |
| 5498 | isl_map_free(map); |
| 5499 | return NULL((void*)0); |
| 5500 | } |
| 5501 | |
| 5502 | /* Replace the space of "bmap" by "space". |
| 5503 | * |
| 5504 | * If the space of "bmap" is identical to "space" (including the identifiers |
| 5505 | * of the input and output dimensions), then simply return the original input. |
| 5506 | */ |
| 5507 | __isl_give isl_basic_map *isl_basic_map_reset_space( |
| 5508 | __isl_take isl_basic_map *bmap, __isl_take isl_space *space) |
| 5509 | { |
| 5510 | isl_bool equal; |
| 5511 | isl_space *bmap_space; |
| 5512 | |
| 5513 | bmap_space = isl_basic_map_peek_space(bmap); |
| 5514 | equal = isl_space_is_equal(bmap_space, space); |
| 5515 | if (equal >= 0 && equal) |
| 5516 | equal = isl_space_has_equal_ids(bmap_space, space); |
| 5517 | if (equal < 0) |
| 5518 | goto error; |
| 5519 | if (equal) { |
| 5520 | isl_space_free(space); |
| 5521 | return bmap; |
| 5522 | } |
| 5523 | bmap = isl_basic_map_cow(bmap); |
| 5524 | if (!bmap || !space) |
| 5525 | goto error; |
| 5526 | |
| 5527 | isl_space_free(bmap->dim); |
| 5528 | bmap->dim = space; |
| 5529 | |
| 5530 | bmap = isl_basic_map_finalize(bmap); |
| 5531 | |
| 5532 | return bmap; |
| 5533 | error: |
| 5534 | isl_basic_map_free(bmap); |
| 5535 | isl_space_free(space); |
| 5536 | return NULL((void*)0); |
| 5537 | } |
| 5538 | |
| 5539 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_reset_space( |
| 5540 | __isl_take isl_basic_setisl_basic_map *bset, __isl_take isl_space *dim) |
| 5541 | { |
| 5542 | return bset_from_bmap(isl_basic_map_reset_space(bset_to_bmap(bset), |
| 5543 | dim)); |
| 5544 | } |
| 5545 | |
| 5546 | /* Check that the total dimensions of "map" and "space" are the same. |
| 5547 | */ |
| 5548 | static isl_stat check_map_space_equal_total_dim(__isl_keep isl_map *map, |
| 5549 | __isl_keep isl_space *space) |
| 5550 | { |
| 5551 | unsigned dim1, dim2; |
| 5552 | |
| 5553 | if (!map || !space) |
| 5554 | return isl_stat_error; |
| 5555 | dim1 = isl_map_dim(map, isl_dim_all); |
| 5556 | dim2 = isl_space_dim(space, isl_dim_all); |
| 5557 | if (dim1 == dim2) |
| 5558 | return isl_stat_ok; |
| 5559 | isl_die(isl_map_get_ctx(map), isl_error_invalid,do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "total dimensions do not match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5560); return isl_stat_error; } while (0) |
| 5560 | "total dimensions do not match", return isl_stat_error)do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "total dimensions do not match", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5560); return isl_stat_error; } while (0); |
| 5561 | } |
| 5562 | |
| 5563 | __isl_give isl_map *isl_map_reset_space(__isl_take isl_map *map, |
| 5564 | __isl_take isl_space *dim) |
| 5565 | { |
| 5566 | int i; |
| 5567 | |
| 5568 | map = isl_map_cow(map); |
| 5569 | if (!map || !dim) |
| 5570 | goto error; |
| 5571 | |
| 5572 | for (i = 0; i < map->n; ++i) { |
| 5573 | map->p[i] = isl_basic_map_reset_space(map->p[i], |
| 5574 | isl_space_copy(dim)); |
| 5575 | if (!map->p[i]) |
| 5576 | goto error; |
| 5577 | } |
| 5578 | isl_space_free(map->dim); |
| 5579 | map->dim = dim; |
| 5580 | |
| 5581 | return map; |
| 5582 | error: |
| 5583 | isl_map_free(map); |
| 5584 | isl_space_free(dim); |
| 5585 | return NULL((void*)0); |
| 5586 | } |
| 5587 | |
| 5588 | /* Replace the space of "map" by "space", without modifying |
| 5589 | * the dimension of "map". |
| 5590 | * |
| 5591 | * If the space of "map" is identical to "space" (including the identifiers |
| 5592 | * of the input and output dimensions), then simply return the original input. |
| 5593 | */ |
| 5594 | __isl_give isl_map *isl_map_reset_equal_dim_space(__isl_take isl_map *map, |
| 5595 | __isl_take isl_space *space) |
| 5596 | { |
| 5597 | isl_bool equal; |
| 5598 | isl_space *map_space; |
| 5599 | |
| 5600 | map_space = isl_map_peek_space(map); |
| 5601 | equal = isl_space_is_equal(map_space, space); |
| 5602 | if (equal >= 0 && equal) |
| 5603 | equal = isl_space_has_equal_ids(map_space, space); |
| 5604 | if (equal < 0) |
| 5605 | goto error; |
| 5606 | if (equal) { |
| 5607 | isl_space_free(space); |
| 5608 | return map; |
| 5609 | } |
| 5610 | if (check_map_space_equal_total_dim(map, space) < 0) |
| 5611 | goto error; |
| 5612 | return isl_map_reset_space(map, space); |
| 5613 | error: |
| 5614 | isl_map_free(map); |
| 5615 | isl_space_free(space); |
| 5616 | return NULL((void*)0); |
| 5617 | } |
| 5618 | |
| 5619 | __isl_give isl_setisl_map *isl_set_reset_space(__isl_take isl_setisl_map *set, |
| 5620 | __isl_take isl_space *dim) |
| 5621 | { |
| 5622 | return set_from_map(isl_map_reset_space(set_to_map(set), dim)); |
| 5623 | } |
| 5624 | |
| 5625 | /* Compute the parameter domain of the given basic set. |
| 5626 | */ |
| 5627 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_params(__isl_take isl_basic_setisl_basic_map *bset) |
| 5628 | { |
| 5629 | isl_bool is_params; |
| 5630 | isl_space *space; |
| 5631 | unsigned n; |
| 5632 | |
| 5633 | is_params = isl_basic_set_is_params(bset); |
| 5634 | if (is_params < 0) |
| 5635 | return isl_basic_set_free(bset); |
| 5636 | if (is_params) |
| 5637 | return bset; |
| 5638 | |
| 5639 | n = isl_basic_set_dim(bset, isl_dim_set); |
| 5640 | bset = isl_basic_set_project_out(bset, isl_dim_set, 0, n); |
| 5641 | space = isl_basic_set_get_space(bset); |
| 5642 | space = isl_space_params(space); |
| 5643 | bset = isl_basic_set_reset_space(bset, space); |
| 5644 | return bset; |
| 5645 | } |
| 5646 | |
| 5647 | /* Construct a zero-dimensional basic set with the given parameter domain. |
| 5648 | */ |
| 5649 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_from_params( |
| 5650 | __isl_take isl_basic_setisl_basic_map *bset) |
| 5651 | { |
| 5652 | isl_space *space; |
| 5653 | space = isl_basic_set_get_space(bset); |
| 5654 | space = isl_space_set_from_params(space); |
| 5655 | bset = isl_basic_set_reset_space(bset, space); |
| 5656 | return bset; |
| 5657 | } |
| 5658 | |
| 5659 | /* Compute the parameter domain of the given set. |
| 5660 | */ |
| 5661 | __isl_give isl_setisl_map *isl_set_params(__isl_take isl_setisl_map *set) |
| 5662 | { |
| 5663 | isl_space *space; |
| 5664 | unsigned n; |
| 5665 | |
| 5666 | if (isl_set_is_params(set)) |
| 5667 | return set; |
| 5668 | |
| 5669 | n = isl_set_dim(set, isl_dim_set); |
| 5670 | set = isl_set_project_out(set, isl_dim_set, 0, n); |
| 5671 | space = isl_set_get_space(set); |
| 5672 | space = isl_space_params(space); |
| 5673 | set = isl_set_reset_space(set, space); |
| 5674 | return set; |
| 5675 | } |
| 5676 | |
| 5677 | /* Construct a zero-dimensional set with the given parameter domain. |
| 5678 | */ |
| 5679 | __isl_give isl_setisl_map *isl_set_from_params(__isl_take isl_setisl_map *set) |
| 5680 | { |
| 5681 | isl_space *space; |
| 5682 | space = isl_set_get_space(set); |
| 5683 | space = isl_space_set_from_params(space); |
| 5684 | set = isl_set_reset_space(set, space); |
| 5685 | return set; |
| 5686 | } |
| 5687 | |
| 5688 | /* Compute the parameter domain of the given map. |
| 5689 | */ |
| 5690 | __isl_give isl_setisl_map *isl_map_params(__isl_take isl_map *map) |
| 5691 | { |
| 5692 | isl_space *space; |
| 5693 | unsigned n; |
| 5694 | |
| 5695 | n = isl_map_dim(map, isl_dim_in); |
| 5696 | map = isl_map_project_out(map, isl_dim_in, 0, n); |
| 5697 | n = isl_map_dim(map, isl_dim_out); |
| 5698 | map = isl_map_project_out(map, isl_dim_out, 0, n); |
| 5699 | space = isl_map_get_space(map); |
| 5700 | space = isl_space_params(space); |
| 5701 | map = isl_map_reset_space(map, space); |
| 5702 | return map; |
| 5703 | } |
| 5704 | |
| 5705 | struct isl_basic_setisl_basic_map *isl_basic_map_domain(struct isl_basic_map *bmap) |
| 5706 | { |
| 5707 | isl_space *space; |
| 5708 | unsigned n_out; |
| 5709 | |
| 5710 | if (!bmap) |
| 5711 | return NULL((void*)0); |
| 5712 | space = isl_space_domain(isl_basic_map_get_space(bmap)); |
| 5713 | |
| 5714 | n_out = isl_basic_map_dim(bmap, isl_dim_out); |
| 5715 | bmap = isl_basic_map_project_out(bmap, isl_dim_out, 0, n_out); |
| 5716 | |
| 5717 | return isl_basic_map_reset_space(bmap, space); |
| 5718 | } |
| 5719 | |
| 5720 | isl_bool isl_basic_map_may_be_set(__isl_keep isl_basic_map *bmap) |
| 5721 | { |
| 5722 | if (!bmap) |
| 5723 | return isl_bool_error; |
| 5724 | return isl_space_may_be_set(bmap->dim); |
| 5725 | } |
| 5726 | |
| 5727 | /* Is this basic map actually a set? |
| 5728 | * Users should never call this function. Outside of isl, |
| 5729 | * the type should indicate whether something is a set or a map. |
| 5730 | */ |
| 5731 | isl_bool isl_basic_map_is_set(__isl_keep isl_basic_map *bmap) |
| 5732 | { |
| 5733 | if (!bmap) |
| 5734 | return isl_bool_error; |
| 5735 | return isl_space_is_set(bmap->dim); |
| 5736 | } |
| 5737 | |
| 5738 | struct isl_basic_setisl_basic_map *isl_basic_map_range(struct isl_basic_map *bmap) |
| 5739 | { |
| 5740 | isl_bool is_set; |
| 5741 | |
| 5742 | is_set = isl_basic_map_is_set(bmap); |
| 5743 | if (is_set < 0) |
| 5744 | goto error; |
| 5745 | if (is_set) |
| 5746 | return bmap; |
| 5747 | return isl_basic_map_domain(isl_basic_map_reverse(bmap)); |
| 5748 | error: |
| 5749 | isl_basic_map_free(bmap); |
| 5750 | return NULL((void*)0); |
| 5751 | } |
| 5752 | |
| 5753 | __isl_give isl_basic_map *isl_basic_map_domain_map( |
| 5754 | __isl_take isl_basic_map *bmap) |
| 5755 | { |
| 5756 | int i; |
| 5757 | isl_space *dim; |
| 5758 | isl_basic_map *domain; |
| 5759 | int nparam, n_in, n_out; |
| 5760 | |
| 5761 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 5762 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 5763 | n_out = isl_basic_map_dim(bmap, isl_dim_out); |
| 5764 | |
| 5765 | dim = isl_space_from_range(isl_space_domain(isl_basic_map_get_space(bmap))); |
| 5766 | domain = isl_basic_map_universe(dim); |
| 5767 | |
| 5768 | bmap = isl_basic_map_from_domain(isl_basic_map_wrap(bmap)); |
| 5769 | bmap = isl_basic_map_apply_range(bmap, domain); |
| 5770 | bmap = isl_basic_map_extend_constraints(bmap, n_in, 0); |
| 5771 | |
| 5772 | for (i = 0; i < n_in; ++i) |
| 5773 | bmap = isl_basic_map_equate(bmap, isl_dim_in, i, |
| 5774 | isl_dim_out, i); |
| 5775 | |
| 5776 | bmap = isl_basic_map_gauss(bmap, NULL((void*)0)); |
| 5777 | return isl_basic_map_finalize(bmap); |
| 5778 | } |
| 5779 | |
| 5780 | __isl_give isl_basic_map *isl_basic_map_range_map( |
| 5781 | __isl_take isl_basic_map *bmap) |
| 5782 | { |
| 5783 | int i; |
| 5784 | isl_space *dim; |
| 5785 | isl_basic_map *range; |
| 5786 | int nparam, n_in, n_out; |
| 5787 | |
| 5788 | nparam = isl_basic_map_dim(bmap, isl_dim_param); |
| 5789 | n_in = isl_basic_map_dim(bmap, isl_dim_in); |
| 5790 | n_out = isl_basic_map_dim(bmap, isl_dim_out); |
| 5791 | |
| 5792 | dim = isl_space_from_range(isl_space_range(isl_basic_map_get_space(bmap))); |
| 5793 | range = isl_basic_map_universe(dim); |
| 5794 | |
| 5795 | bmap = isl_basic_map_from_domain(isl_basic_map_wrap(bmap)); |
| 5796 | bmap = isl_basic_map_apply_range(bmap, range); |
| 5797 | bmap = isl_basic_map_extend_constraints(bmap, n_out, 0); |
| 5798 | |
| 5799 | for (i = 0; i < n_out; ++i) |
| 5800 | bmap = isl_basic_map_equate(bmap, isl_dim_in, n_in + i, |
| 5801 | isl_dim_out, i); |
| 5802 | |
| 5803 | bmap = isl_basic_map_gauss(bmap, NULL((void*)0)); |
| 5804 | return isl_basic_map_finalize(bmap); |
| 5805 | } |
| 5806 | |
| 5807 | int isl_map_may_be_set(__isl_keep isl_map *map) |
| 5808 | { |
| 5809 | if (!map) |
| 5810 | return -1; |
| 5811 | return isl_space_may_be_set(map->dim); |
| 5812 | } |
| 5813 | |
| 5814 | /* Is this map actually a set? |
| 5815 | * Users should never call this function. Outside of isl, |
| 5816 | * the type should indicate whether something is a set or a map. |
| 5817 | */ |
| 5818 | isl_bool isl_map_is_set(__isl_keep isl_map *map) |
| 5819 | { |
| 5820 | if (!map) |
| 5821 | return isl_bool_error; |
| 5822 | return isl_space_is_set(map->dim); |
| 5823 | } |
| 5824 | |
| 5825 | __isl_give isl_setisl_map *isl_map_range(__isl_take isl_map *map) |
| 5826 | { |
| 5827 | int i; |
| 5828 | isl_bool is_set; |
| 5829 | struct isl_setisl_map *set; |
| 5830 | |
| 5831 | is_set = isl_map_is_set(map); |
| 5832 | if (is_set < 0) |
| 5833 | goto error; |
| 5834 | if (is_set) |
| 5835 | return set_from_map(map); |
| 5836 | |
| 5837 | map = isl_map_cow(map); |
| 5838 | if (!map) |
| 5839 | goto error; |
| 5840 | |
| 5841 | set = set_from_map(map); |
| 5842 | set->dim = isl_space_range(set->dim); |
| 5843 | if (!set->dim) |
| 5844 | goto error; |
| 5845 | for (i = 0; i < map->n; ++i) { |
| 5846 | set->p[i] = isl_basic_map_range(map->p[i]); |
| 5847 | if (!set->p[i]) |
| 5848 | goto error; |
| 5849 | } |
| 5850 | ISL_F_CLR(set, ISL_MAP_DISJOINT)(((set)->flags) &= ~((1 << 0))); |
| 5851 | ISL_F_CLR(set, ISL_SET_NORMALIZED)(((set)->flags) &= ~((1 << 1))); |
| 5852 | return set; |
| 5853 | error: |
| 5854 | isl_map_free(map); |
| 5855 | return NULL((void*)0); |
| 5856 | } |
| 5857 | |
| 5858 | __isl_give isl_map *isl_map_domain_map(__isl_take isl_map *map) |
| 5859 | { |
| 5860 | int i; |
| 5861 | |
| 5862 | map = isl_map_cow(map); |
| 5863 | if (!map) |
| 5864 | return NULL((void*)0); |
| 5865 | |
| 5866 | map->dim = isl_space_domain_map(map->dim); |
| 5867 | if (!map->dim) |
| 5868 | goto error; |
| 5869 | for (i = 0; i < map->n; ++i) { |
| 5870 | map->p[i] = isl_basic_map_domain_map(map->p[i]); |
| 5871 | if (!map->p[i]) |
| 5872 | goto error; |
| 5873 | } |
| 5874 | ISL_F_CLR(map, ISL_MAP_DISJOINT)(((map)->flags) &= ~((1 << 0))); |
| 5875 | map = isl_map_unmark_normalized(map); |
| 5876 | return map; |
| 5877 | error: |
| 5878 | isl_map_free(map); |
| 5879 | return NULL((void*)0); |
| 5880 | } |
| 5881 | |
| 5882 | __isl_give isl_map *isl_map_range_map(__isl_take isl_map *map) |
| 5883 | { |
| 5884 | int i; |
| 5885 | isl_space *range_dim; |
| 5886 | |
| 5887 | map = isl_map_cow(map); |
| 5888 | if (!map) |
| 5889 | return NULL((void*)0); |
| 5890 | |
| 5891 | range_dim = isl_space_range(isl_map_get_space(map)); |
| 5892 | range_dim = isl_space_from_range(range_dim); |
| 5893 | map->dim = isl_space_from_domain(isl_space_wrap(map->dim)); |
| 5894 | map->dim = isl_space_join(map->dim, range_dim); |
| 5895 | if (!map->dim) |
| 5896 | goto error; |
| 5897 | for (i = 0; i < map->n; ++i) { |
| 5898 | map->p[i] = isl_basic_map_range_map(map->p[i]); |
| 5899 | if (!map->p[i]) |
| 5900 | goto error; |
| 5901 | } |
| 5902 | ISL_F_CLR(map, ISL_MAP_DISJOINT)(((map)->flags) &= ~((1 << 0))); |
| 5903 | map = isl_map_unmark_normalized(map); |
| 5904 | return map; |
| 5905 | error: |
| 5906 | isl_map_free(map); |
| 5907 | return NULL((void*)0); |
| 5908 | } |
| 5909 | |
| 5910 | /* Given a wrapped map of the form A[B -> C], |
| 5911 | * return the map A[B -> C] -> B. |
| 5912 | */ |
| 5913 | __isl_give isl_map *isl_set_wrapped_domain_map(__isl_take isl_setisl_map *set) |
| 5914 | { |
| 5915 | isl_id *id; |
| 5916 | isl_map *map; |
| 5917 | |
| 5918 | if (!set) |
| 5919 | return NULL((void*)0); |
| 5920 | if (!isl_set_has_tuple_id(set)) |
| 5921 | return isl_map_domain_map(isl_set_unwrap(set)); |
| 5922 | |
| 5923 | id = isl_set_get_tuple_id(set); |
| 5924 | map = isl_map_domain_map(isl_set_unwrap(set)); |
| 5925 | map = isl_map_set_tuple_id(map, isl_dim_in, id); |
| 5926 | |
| 5927 | return map; |
| 5928 | } |
| 5929 | |
| 5930 | __isl_give isl_basic_map *isl_basic_map_from_domain( |
| 5931 | __isl_take isl_basic_setisl_basic_map *bset) |
| 5932 | { |
| 5933 | return isl_basic_map_reverse(isl_basic_map_from_range(bset)); |
| 5934 | } |
| 5935 | |
| 5936 | __isl_give isl_basic_map *isl_basic_map_from_range( |
| 5937 | __isl_take isl_basic_setisl_basic_map *bset) |
| 5938 | { |
| 5939 | isl_space *space; |
| 5940 | space = isl_basic_set_get_space(bset); |
| 5941 | space = isl_space_from_range(space); |
| 5942 | bset = isl_basic_set_reset_space(bset, space); |
| 5943 | return bset_to_bmap(bset); |
| 5944 | } |
| 5945 | |
| 5946 | /* Create a relation with the given set as range. |
| 5947 | * The domain of the created relation is a zero-dimensional |
| 5948 | * flat anonymous space. |
| 5949 | */ |
| 5950 | __isl_give isl_map *isl_map_from_range(__isl_take isl_setisl_map *set) |
| 5951 | { |
| 5952 | isl_space *space; |
| 5953 | space = isl_set_get_space(set); |
| 5954 | space = isl_space_from_range(space); |
| 5955 | set = isl_set_reset_space(set, space); |
| 5956 | return set_to_map(set); |
| 5957 | } |
| 5958 | |
| 5959 | /* Create a relation with the given set as domain. |
| 5960 | * The range of the created relation is a zero-dimensional |
| 5961 | * flat anonymous space. |
| 5962 | */ |
| 5963 | __isl_give isl_map *isl_map_from_domain(__isl_take isl_setisl_map *set) |
| 5964 | { |
| 5965 | return isl_map_reverse(isl_map_from_range(set)); |
| 5966 | } |
| 5967 | |
| 5968 | __isl_give isl_basic_map *isl_basic_map_from_domain_and_range( |
| 5969 | __isl_take isl_basic_setisl_basic_map *domain, __isl_take isl_basic_setisl_basic_map *range) |
| 5970 | { |
| 5971 | return isl_basic_map_apply_range(isl_basic_map_reverse(domain), range); |
| 5972 | } |
| 5973 | |
| 5974 | __isl_give isl_map *isl_map_from_domain_and_range(__isl_take isl_setisl_map *domain, |
| 5975 | __isl_take isl_setisl_map *range) |
| 5976 | { |
| 5977 | return isl_map_apply_range(isl_map_reverse(domain), range); |
| 5978 | } |
| 5979 | |
| 5980 | /* Return a newly allocated isl_map with given space and flags and |
| 5981 | * room for "n" basic maps. |
| 5982 | * Make sure that all cached information is cleared. |
| 5983 | */ |
| 5984 | __isl_give isl_map *isl_map_alloc_space(__isl_take isl_space *space, int n, |
| 5985 | unsigned flags) |
| 5986 | { |
| 5987 | struct isl_map *map; |
| 5988 | |
| 5989 | if (!space) |
| 5990 | return NULL((void*)0); |
| 5991 | if (n < 0) |
| 5992 | isl_die(space->ctx, isl_error_internal,do { isl_handle_error(space->ctx, isl_error_internal, "negative number of basic maps" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5993); goto error; } while (0) |
| 5993 | "negative number of basic maps", goto error)do { isl_handle_error(space->ctx, isl_error_internal, "negative number of basic maps" , "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 5993); goto error; } while (0); |
| 5994 | map = isl_calloc(space->ctx, struct isl_map,((struct isl_map *)isl_calloc_or_die(space->ctx, 1, sizeof (struct isl_map) + (n - 1) * sizeof(struct isl_basic_map *))) |
| 5995 | sizeof(struct isl_map) +((struct isl_map *)isl_calloc_or_die(space->ctx, 1, sizeof (struct isl_map) + (n - 1) * sizeof(struct isl_basic_map *))) |
| 5996 | (n - 1) * sizeof(struct isl_basic_map *))((struct isl_map *)isl_calloc_or_die(space->ctx, 1, sizeof (struct isl_map) + (n - 1) * sizeof(struct isl_basic_map *))); |
| 5997 | if (!map) |
| 5998 | goto error; |
| 5999 | |
| 6000 | map->ctx = space->ctx; |
| 6001 | isl_ctx_ref(map->ctx); |
| 6002 | map->ref = 1; |
| 6003 | map->size = n; |
| 6004 | map->n = 0; |
| 6005 | map->dim = space; |
| 6006 | map->flags = flags; |
| 6007 | return map; |
| 6008 | error: |
| 6009 | isl_space_free(space); |
| 6010 | return NULL((void*)0); |
| 6011 | } |
| 6012 | |
| 6013 | __isl_give isl_basic_map *isl_basic_map_empty(__isl_take isl_space *space) |
| 6014 | { |
| 6015 | struct isl_basic_map *bmap; |
| 6016 | bmap = isl_basic_map_alloc_space(space, 0, 1, 0); |
| 6017 | bmap = isl_basic_map_set_to_empty(bmap); |
| 6018 | return bmap; |
| 6019 | } |
| 6020 | |
| 6021 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_empty(__isl_take isl_space *space) |
| 6022 | { |
| 6023 | struct isl_basic_setisl_basic_map *bset; |
| 6024 | bset = isl_basic_set_alloc_space(space, 0, 1, 0); |
| 6025 | bset = isl_basic_set_set_to_empty(bset); |
| 6026 | return bset; |
| 6027 | } |
| 6028 | |
| 6029 | __isl_give isl_basic_map *isl_basic_map_universe(__isl_take isl_space *space) |
| 6030 | { |
| 6031 | struct isl_basic_map *bmap; |
| 6032 | bmap = isl_basic_map_alloc_space(space, 0, 0, 0); |
| 6033 | bmap = isl_basic_map_finalize(bmap); |
| 6034 | return bmap; |
| 6035 | } |
| 6036 | |
| 6037 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_universe(__isl_take isl_space *space) |
| 6038 | { |
| 6039 | struct isl_basic_setisl_basic_map *bset; |
| 6040 | bset = isl_basic_set_alloc_space(space, 0, 0, 0); |
| 6041 | bset = isl_basic_set_finalize(bset); |
| 6042 | return bset; |
| 6043 | } |
| 6044 | |
| 6045 | __isl_give isl_basic_map *isl_basic_map_nat_universe(__isl_take isl_space *dim) |
| 6046 | { |
| 6047 | int i; |
| 6048 | unsigned total = isl_space_dim(dim, isl_dim_all); |
| 6049 | isl_basic_map *bmap; |
| 6050 | |
| 6051 | bmap= isl_basic_map_alloc_space(dim, 0, 0, total); |
| 6052 | for (i = 0; i < total; ++i) { |
| 6053 | int k = isl_basic_map_alloc_inequality(bmap); |
| 6054 | if (k < 0) |
| 6055 | goto error; |
| 6056 | isl_seq_clr(bmap->ineq[k], 1 + total); |
| 6057 | isl_int_set_si(bmap->ineq[k][1 + i], 1)isl_sioimath_set_si((bmap->ineq[k][1 + i]), 1); |
| 6058 | } |
| 6059 | return bmap; |
| 6060 | error: |
| 6061 | isl_basic_map_free(bmap); |
| 6062 | return NULL((void*)0); |
| 6063 | } |
| 6064 | |
| 6065 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_nat_universe(__isl_take isl_space *dim) |
| 6066 | { |
| 6067 | return isl_basic_map_nat_universe(dim); |
| 6068 | } |
| 6069 | |
| 6070 | __isl_give isl_map *isl_map_nat_universe(__isl_take isl_space *dim) |
| 6071 | { |
| 6072 | return isl_map_from_basic_map(isl_basic_map_nat_universe(dim)); |
| 6073 | } |
| 6074 | |
| 6075 | __isl_give isl_setisl_map *isl_set_nat_universe(__isl_take isl_space *dim) |
| 6076 | { |
| 6077 | return isl_map_nat_universe(dim); |
| 6078 | } |
| 6079 | |
| 6080 | __isl_give isl_map *isl_map_empty(__isl_take isl_space *space) |
| 6081 | { |
| 6082 | return isl_map_alloc_space(space, 0, ISL_MAP_DISJOINT(1 << 0)); |
| 6083 | } |
| 6084 | |
| 6085 | __isl_give isl_setisl_map *isl_set_empty(__isl_take isl_space *space) |
| 6086 | { |
| 6087 | return isl_set_alloc_space(space, 0, ISL_MAP_DISJOINT(1 << 0)); |
| 6088 | } |
| 6089 | |
| 6090 | __isl_give isl_map *isl_map_universe(__isl_take isl_space *space) |
| 6091 | { |
| 6092 | struct isl_map *map; |
| 6093 | if (!space) |
| 6094 | return NULL((void*)0); |
| 6095 | map = isl_map_alloc_space(isl_space_copy(space), 1, ISL_MAP_DISJOINT(1 << 0)); |
| 6096 | map = isl_map_add_basic_map(map, isl_basic_map_universe(space)); |
| 6097 | return map; |
| 6098 | } |
| 6099 | |
| 6100 | __isl_give isl_setisl_map *isl_set_universe(__isl_take isl_space *space) |
| 6101 | { |
| 6102 | struct isl_setisl_map *set; |
| 6103 | if (!space) |
| 6104 | return NULL((void*)0); |
| 6105 | set = isl_set_alloc_space(isl_space_copy(space), 1, ISL_MAP_DISJOINT(1 << 0)); |
| 6106 | set = isl_set_add_basic_set(set, isl_basic_set_universe(space)); |
| 6107 | return set; |
| 6108 | } |
| 6109 | |
| 6110 | struct isl_map *isl_map_dup(struct isl_map *map) |
| 6111 | { |
| 6112 | int i; |
| 6113 | struct isl_map *dup; |
| 6114 | |
| 6115 | if (!map) |
| 6116 | return NULL((void*)0); |
| 6117 | dup = isl_map_alloc_space(isl_space_copy(map->dim), map->n, map->flags); |
| 6118 | for (i = 0; i < map->n; ++i) |
| 6119 | dup = isl_map_add_basic_map(dup, isl_basic_map_copy(map->p[i])); |
| 6120 | return dup; |
| 6121 | } |
| 6122 | |
| 6123 | __isl_give isl_map *isl_map_add_basic_map(__isl_take isl_map *map, |
| 6124 | __isl_take isl_basic_map *bmap) |
| 6125 | { |
| 6126 | if (!bmap || !map) |
| 6127 | goto error; |
| 6128 | if (isl_basic_map_plain_is_empty(bmap)) { |
| 6129 | isl_basic_map_free(bmap); |
| 6130 | return map; |
| 6131 | } |
| 6132 | isl_assert(map->ctx, isl_space_is_equal(map->dim, bmap->dim), goto error)do { if (isl_space_is_equal(map->dim, bmap->dim)) break ; do { isl_handle_error(map->ctx, isl_error_unknown, "Assertion \"" "isl_space_is_equal(map->dim, bmap->dim)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 6132); goto error; } while (0); } while (0); |
| 6133 | isl_assert(map->ctx, map->n < map->size, goto error)do { if (map->n < map->size) break; do { isl_handle_error (map->ctx, isl_error_unknown, "Assertion \"" "map->n < map->size" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 6133); goto error; } while (0); } while (0); |
| 6134 | map->p[map->n] = bmap; |
| 6135 | map->n++; |
| 6136 | map = isl_map_unmark_normalized(map); |
| 6137 | return map; |
| 6138 | error: |
| 6139 | if (map) |
| 6140 | isl_map_free(map); |
| 6141 | if (bmap) |
| 6142 | isl_basic_map_free(bmap); |
| 6143 | return NULL((void*)0); |
| 6144 | } |
| 6145 | |
| 6146 | __isl_null isl_map *isl_map_free(__isl_take isl_map *map) |
| 6147 | { |
| 6148 | int i; |
| 6149 | |
| 6150 | if (!map) |
| 6151 | return NULL((void*)0); |
| 6152 | |
| 6153 | if (--map->ref > 0) |
| 6154 | return NULL((void*)0); |
| 6155 | |
| 6156 | clear_caches(map); |
| 6157 | isl_ctx_deref(map->ctx); |
| 6158 | for (i = 0; i < map->n; ++i) |
| 6159 | isl_basic_map_free(map->p[i]); |
| 6160 | isl_space_free(map->dim); |
| 6161 | free(map); |
| 6162 | |
| 6163 | return NULL((void*)0); |
| 6164 | } |
| 6165 | |
| 6166 | static struct isl_basic_map *isl_basic_map_fix_pos_si( |
| 6167 | struct isl_basic_map *bmap, unsigned pos, int value) |
| 6168 | { |
| 6169 | int j; |
| 6170 | |
| 6171 | bmap = isl_basic_map_cow(bmap); |
| 6172 | bmap = isl_basic_map_extend_constraints(bmap, 1, 0); |
| 6173 | j = isl_basic_map_alloc_equality(bmap); |
| 6174 | if (j < 0) |
| 6175 | goto error; |
| 6176 | isl_seq_clr(bmap->eq[j] + 1, isl_basic_map_total_dim(bmap)); |
| 6177 | isl_int_set_si(bmap->eq[j][pos], -1)isl_sioimath_set_si((bmap->eq[j][pos]), -1); |
| 6178 | isl_int_set_si(bmap->eq[j][0], value)isl_sioimath_set_si((bmap->eq[j][0]), value); |
| 6179 | bmap = isl_basic_map_simplify(bmap); |
| 6180 | return isl_basic_map_finalize(bmap); |
| 6181 | error: |
| 6182 | isl_basic_map_free(bmap); |
| 6183 | return NULL((void*)0); |
| 6184 | } |
| 6185 | |
| 6186 | static __isl_give isl_basic_map *isl_basic_map_fix_pos( |
| 6187 | __isl_take isl_basic_map *bmap, unsigned pos, isl_int value) |
| 6188 | { |
| 6189 | int j; |
| 6190 | |
| 6191 | bmap = isl_basic_map_cow(bmap); |
| 6192 | bmap = isl_basic_map_extend_constraints(bmap, 1, 0); |
| 6193 | j = isl_basic_map_alloc_equality(bmap); |
| 6194 | if (j < 0) |
| 6195 | goto error; |
| 6196 | isl_seq_clr(bmap->eq[j] + 1, isl_basic_map_total_dim(bmap)); |
| 6197 | isl_int_set_si(bmap->eq[j][pos], -1)isl_sioimath_set_si((bmap->eq[j][pos]), -1); |
| 6198 | isl_int_set(bmap->eq[j][0], value)isl_sioimath_set((bmap->eq[j][0]), *(value)); |
| 6199 | bmap = isl_basic_map_simplify(bmap); |
| 6200 | return isl_basic_map_finalize(bmap); |
| 6201 | error: |
| 6202 | isl_basic_map_free(bmap); |
| 6203 | return NULL((void*)0); |
| 6204 | } |
| 6205 | |
| 6206 | __isl_give isl_basic_map *isl_basic_map_fix_si(__isl_take isl_basic_map *bmap, |
| 6207 | enum isl_dim_type type, unsigned pos, int value) |
| 6208 | { |
| 6209 | if (isl_basic_map_check_range(bmap, type, pos, 1) < 0) |
| 6210 | return isl_basic_map_free(bmap); |
| 6211 | return isl_basic_map_fix_pos_si(bmap, |
| 6212 | isl_basic_map_offset(bmap, type) + pos, value); |
| 6213 | } |
| 6214 | |
| 6215 | __isl_give isl_basic_map *isl_basic_map_fix(__isl_take isl_basic_map *bmap, |
| 6216 | enum isl_dim_type type, unsigned pos, isl_int value) |
| 6217 | { |
| 6218 | if (isl_basic_map_check_range(bmap, type, pos, 1) < 0) |
| 6219 | return isl_basic_map_free(bmap); |
| 6220 | return isl_basic_map_fix_pos(bmap, |
| 6221 | isl_basic_map_offset(bmap, type) + pos, value); |
| 6222 | } |
| 6223 | |
| 6224 | /* Fix the value of the variable at position "pos" of type "type" of "bmap" |
| 6225 | * to be equal to "v". |
| 6226 | */ |
| 6227 | __isl_give isl_basic_map *isl_basic_map_fix_val(__isl_take isl_basic_map *bmap, |
| 6228 | enum isl_dim_type type, unsigned pos, __isl_take isl_val *v) |
| 6229 | { |
| 6230 | if (!bmap || !v) |
| 6231 | goto error; |
| 6232 | if (!isl_val_is_int(v)) |
| 6233 | isl_die(isl_basic_map_get_ctx(bmap), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "expecting integer value", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 6234); goto error; } while (0) |
| 6234 | "expecting integer value", goto error)do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "expecting integer value", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 6234); goto error; } while (0); |
| 6235 | if (isl_basic_map_check_range(bmap, type, pos, 1) < 0) |
| 6236 | goto error; |
| 6237 | pos += isl_basic_map_offset(bmap, type); |
| 6238 | bmap = isl_basic_map_fix_pos(bmap, pos, v->n); |
| 6239 | isl_val_free(v); |
| 6240 | return bmap; |
| 6241 | error: |
| 6242 | isl_basic_map_free(bmap); |
| 6243 | isl_val_free(v); |
| 6244 | return NULL((void*)0); |
| 6245 | } |
| 6246 | |
| 6247 | /* Fix the value of the variable at position "pos" of type "type" of "bset" |
| 6248 | * to be equal to "v". |
| 6249 | */ |
| 6250 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_fix_val(__isl_take isl_basic_setisl_basic_map *bset, |
| 6251 | enum isl_dim_type type, unsigned pos, __isl_take isl_val *v) |
| 6252 | { |
| 6253 | return isl_basic_map_fix_val(bset, type, pos, v); |
| 6254 | } |
| 6255 | |
| 6256 | struct isl_basic_setisl_basic_map *isl_basic_set_fix_si(struct isl_basic_setisl_basic_map *bset, |
| 6257 | enum isl_dim_type type, unsigned pos, int value) |
| 6258 | { |
| 6259 | return bset_from_bmap(isl_basic_map_fix_si(bset_to_bmap(bset), |
| 6260 | type, pos, value)); |
| 6261 | } |
| 6262 | |
| 6263 | __isl_give isl_basic_setisl_basic_map *isl_basic_set_fix(__isl_take isl_basic_setisl_basic_map *bset, |
| 6264 | enum isl_dim_type type, unsigned pos, isl_int value) |
| 6265 | { |
| 6266 | return bset_from_bmap(isl_basic_map_fix(bset_to_bmap(bset), |
| 6267 | type, pos, value)); |
| 6268 | } |
| 6269 | |
| 6270 | struct isl_basic_map *isl_basic_map_fix_input_si(struct isl_basic_map *bmap, |
| 6271 | unsigned input, int value) |
| 6272 | { |
| 6273 | return isl_basic_map_fix_si(bmap, isl_dim_in, input, value); |
| 6274 | } |
| 6275 | |
| 6276 | struct isl_basic_setisl_basic_map *isl_basic_set_fix_dim_si(struct isl_basic_setisl_basic_map *bset, |
| 6277 | unsigned dim, int value) |
| 6278 | { |
| 6279 | return bset_from_bmap(isl_basic_map_fix_si(bset_to_bmap(bset), |
| 6280 | isl_dim_set, dim, value)); |
| 6281 | } |
| 6282 | |
| 6283 | /* Remove the basic map at position "i" from "map" if this basic map |
| 6284 | * is (obviously) empty. |
| 6285 | */ |
| 6286 | static __isl_give isl_map *remove_if_empty(__isl_take isl_map *map, int i) |
| 6287 | { |
| 6288 | isl_bool empty; |
| 6289 | |
| 6290 | if (!map) |
| 6291 | return NULL((void*)0); |
| 6292 | |
| 6293 | empty = isl_basic_map_plain_is_empty(map->p[i]); |
| 6294 | if (empty < 0) |
| 6295 | return isl_map_free(map); |
| 6296 | if (!empty) |
| 6297 | return map; |
| 6298 | |
| 6299 | isl_basic_map_free(map->p[i]); |
| 6300 | map->n--; |
| 6301 | if (i != map->n) { |
| 6302 | map->p[i] = map->p[map->n]; |
| 6303 | map = isl_map_unmark_normalized(map); |
| 6304 | |
| 6305 | } |
| 6306 | |
| 6307 | return map; |
| 6308 | } |
| 6309 | |
| 6310 | /* Perform "fn" on each basic map of "map", where we may not be holding |
| 6311 | * the only reference to "map". |
| 6312 | * In particular, "fn" should be a semantics preserving operation |
| 6313 | * that we want to apply to all copies of "map". We therefore need |
| 6314 | * to be careful not to modify "map" in a way that breaks "map" |
| 6315 | * in case anything goes wrong. |
| 6316 | */ |
| 6317 | __isl_give isl_map *isl_map_inline_foreach_basic_map(__isl_take isl_map *map, |
| 6318 | __isl_give isl_basic_map *(*fn)(__isl_take isl_basic_map *bmap)) |
| 6319 | { |
| 6320 | struct isl_basic_map *bmap; |
| 6321 | int i; |
| 6322 | |
| 6323 | if (!map) |
| 6324 | return NULL((void*)0); |
| 6325 | |
| 6326 | for (i = map->n - 1; i >= 0; --i) { |
| 6327 | bmap = isl_basic_map_copy(map->p[i]); |
| 6328 | bmap = fn(bmap); |
| 6329 | if (!bmap) |
| 6330 | goto error; |
| 6331 | isl_basic_map_free(map->p[i]); |
| 6332 | map->p[i] = bmap; |
| 6333 | map = remove_if_empty(map, i); |
| 6334 | if (!map) |
| 6335 | return NULL((void*)0); |
| 6336 | } |
| 6337 | |
| 6338 | return map; |
| 6339 | error: |
| 6340 | isl_map_free(map); |
| 6341 | return NULL((void*)0); |
| 6342 | } |
| 6343 | |
| 6344 | __isl_give isl_map *isl_map_fix_si(__isl_take isl_map *map, |
| 6345 | enum isl_dim_type type, unsigned pos, int value) |
| 6346 | { |
| 6347 | int i; |
| 6348 | |
| 6349 | map = isl_map_cow(map); |
| 6350 | if (!map) |
| 6351 | return NULL((void*)0); |
| 6352 | |
| 6353 | isl_assert(map->ctx, pos < isl_map_dim(map, type), goto error)do { if (pos < isl_map_dim(map, type)) break; do { isl_handle_error (map->ctx, isl_error_unknown, "Assertion \"" "pos < isl_map_dim(map, type)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 6353); goto error; } while (0); } while (0); |
| 6354 | for (i = map->n - 1; i >= 0; --i) { |
| 6355 | map->p[i] = isl_basic_map_fix_si(map->p[i], type, pos, value); |
| 6356 | map = remove_if_empty(map, i); |
| 6357 | if (!map) |
| 6358 | return NULL((void*)0); |
| 6359 | } |
| 6360 | map = isl_map_unmark_normalized(map); |
| 6361 | return map; |
| 6362 | error: |
| 6363 | isl_map_free(map); |
| 6364 | return NULL((void*)0); |
| 6365 | } |
| 6366 | |
| 6367 | __isl_give isl_setisl_map *isl_set_fix_si(__isl_take isl_setisl_map *set, |
| 6368 | enum isl_dim_type type, unsigned pos, int value) |
| 6369 | { |
| 6370 | return set_from_map(isl_map_fix_si(set_to_map(set), type, pos, value)); |
| 6371 | } |
| 6372 | |
| 6373 | __isl_give isl_map *isl_map_fix(__isl_take isl_map *map, |
| 6374 | enum isl_dim_type type, unsigned pos, isl_int value) |
| 6375 | { |
| 6376 | int i; |
| 6377 | |
| 6378 | map = isl_map_cow(map); |
| 6379 | if (!map) |
| 6380 | return NULL((void*)0); |
| 6381 | |
| 6382 | isl_assert(map->ctx, pos < isl_map_dim(map, type), goto error)do { if (pos < isl_map_dim(map, type)) break; do { isl_handle_error (map->ctx, isl_error_unknown, "Assertion \"" "pos < isl_map_dim(map, type)" "\" failed", "/build/llvm-toolchain-snapshot-10~svn374877/tools/polly/lib/External/isl/isl_map.c" , 6382); goto error; } while (0); } while (0); |
| 6383 | for (i = 0; i < map->n; ++i) { |
| 6384 | map->p[i] = isl_basic_map_fix(map->p[i], type, pos, value); |
| 6385 | if (!map->p[i]) |
| 6386 | goto error; |
| 6387 | } |
| 6388 | map = isl_map_unmark_normalized(map); |
| 6389 | return map; |
| 6390 | error: |
| 6391 | isl_map_free(map); |
| 6392 | return NULL((void*)0); |
| 6393 | } |
| 6394 | |
| 6395 | __isl_give isl_setisl_map *isl_set_fix(__isl_take isl_setisl_map *set, |
| 6396 | enum isl_dim_type type, unsigned pos, isl_int value) |
| 6397 | { |
| 6398 | return set_from_map(isl_map_fix(set_to_map(set), type, pos, value)); |
| 6399 | } |
| 6400 | |
| 6401 | /* Fix the value of the variable at position "pos" of type "type" of "map" |
| 6402 | * to be equal to "v". |
| 6403 | */ |
| 6404 | __isl_give isl_map *isl_map_fix_val(__isl_take isl_map *map, |
| 6405 | enum isl_dim_type type, unsigned pos, __isl_take isl_val *v) |
| 6406 | { |
| 6407 | int i; |
| 6408 | |
| 6409 | map = isl_map_cow(map); |
| 6410 | if (!map || !v) |
| 6411 | goto error; |
| 6412 | |
| 6413 | if (!isl_val_is_int(v)) |
| 6414 | isl_die(isl_map_get_ctx(map), isl_error_inva |