File: | tools/polly/lib/External/isl/isl_aff.c |
Warning: | line 2369, column 11 Use of memory after it is freed |
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1 | /* | |||
2 | * Copyright 2011 INRIA Saclay | |||
3 | * Copyright 2011 Sven Verdoolaege | |||
4 | * Copyright 2012-2014 Ecole Normale Superieure | |||
5 | * Copyright 2014 INRIA Rocquencourt | |||
6 | * | |||
7 | * Use of this software is governed by the MIT license | |||
8 | * | |||
9 | * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France, | |||
10 | * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod, | |||
11 | * 91893 Orsay, France | |||
12 | * and Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France | |||
13 | * and Inria Paris - Rocquencourt, Domaine de Voluceau - Rocquencourt, | |||
14 | * B.P. 105 - 78153 Le Chesnay, France | |||
15 | */ | |||
16 | ||||
17 | #include <isl_ctx_private.h> | |||
18 | #include <isl_map_private.h> | |||
19 | #include <isl_union_map_private.h> | |||
20 | #include <isl_aff_private.h> | |||
21 | #include <isl_space_private.h> | |||
22 | #include <isl_local_space_private.h> | |||
23 | #include <isl_vec_private.h> | |||
24 | #include <isl_mat_private.h> | |||
25 | #include <isl/id.h> | |||
26 | #include <isl/constraint.h> | |||
27 | #include <isl_seq.h> | |||
28 | #include <isl/set.h> | |||
29 | #include <isl_val_private.h> | |||
30 | #include <isl_point_private.h> | |||
31 | #include <isl_config.h> | |||
32 | ||||
33 | #undef BASEunion_pw_aff | |||
34 | #define BASEunion_pw_aff aff | |||
35 | ||||
36 | #include <isl_list_templ.c> | |||
37 | ||||
38 | #undef BASEunion_pw_aff | |||
39 | #define BASEunion_pw_aff pw_aff | |||
40 | ||||
41 | #include <isl_list_templ.c> | |||
42 | ||||
43 | #undef BASEunion_pw_aff | |||
44 | #define BASEunion_pw_aff pw_multi_aff | |||
45 | ||||
46 | #include <isl_list_templ.c> | |||
47 | ||||
48 | #undef BASEunion_pw_aff | |||
49 | #define BASEunion_pw_aff union_pw_aff | |||
50 | ||||
51 | #include <isl_list_templ.c> | |||
52 | ||||
53 | #undef BASEunion_pw_aff | |||
54 | #define BASEunion_pw_aff union_pw_multi_aff | |||
55 | ||||
56 | #include <isl_list_templ.c> | |||
57 | ||||
58 | __isl_give isl_aff *isl_aff_alloc_vec(__isl_take isl_local_space *ls, | |||
59 | __isl_take isl_vec *v) | |||
60 | { | |||
61 | isl_aff *aff; | |||
62 | ||||
63 | if (!ls || !v) | |||
64 | goto error; | |||
65 | ||||
66 | aff = isl_calloc_type(v->ctx, struct isl_aff)((struct isl_aff *)isl_calloc_or_die(v->ctx, 1, sizeof(struct isl_aff))); | |||
67 | if (!aff) | |||
68 | goto error; | |||
69 | ||||
70 | aff->ref = 1; | |||
71 | aff->ls = ls; | |||
72 | aff->v = v; | |||
73 | ||||
74 | return aff; | |||
75 | error: | |||
76 | isl_local_space_free(ls); | |||
77 | isl_vec_free(v); | |||
78 | return NULL((void*)0); | |||
79 | } | |||
80 | ||||
81 | __isl_give isl_aff *isl_aff_alloc(__isl_take isl_local_space *ls) | |||
82 | { | |||
83 | isl_ctx *ctx; | |||
84 | isl_vec *v; | |||
85 | unsigned total; | |||
86 | ||||
87 | if (!ls) | |||
88 | return NULL((void*)0); | |||
89 | ||||
90 | ctx = isl_local_space_get_ctx(ls); | |||
91 | if (!isl_local_space_divs_known(ls)) | |||
92 | isl_die(ctx, isl_error_invalid, "local space has unknown divs",do { isl_handle_error(ctx, isl_error_invalid, "local space has unknown divs" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 93); goto error; } while (0) | |||
93 | goto error)do { isl_handle_error(ctx, isl_error_invalid, "local space has unknown divs" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 93); goto error; } while (0); | |||
94 | if (!isl_local_space_is_set(ls)) | |||
95 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "domain of affine expression should be a set" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 97); goto error; } while (0) | |||
96 | "domain of affine expression should be a set",do { isl_handle_error(ctx, isl_error_invalid, "domain of affine expression should be a set" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 97); goto error; } while (0) | |||
97 | goto error)do { isl_handle_error(ctx, isl_error_invalid, "domain of affine expression should be a set" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 97); goto error; } while (0); | |||
98 | ||||
99 | total = isl_local_space_dim(ls, isl_dim_all); | |||
100 | v = isl_vec_alloc(ctx, 1 + 1 + total); | |||
101 | return isl_aff_alloc_vec(ls, v); | |||
102 | error: | |||
103 | isl_local_space_free(ls); | |||
104 | return NULL((void*)0); | |||
105 | } | |||
106 | ||||
107 | __isl_give isl_aff *isl_aff_zero_on_domain(__isl_take isl_local_space *ls) | |||
108 | { | |||
109 | isl_aff *aff; | |||
110 | ||||
111 | aff = isl_aff_alloc(ls); | |||
112 | if (!aff) | |||
113 | return NULL((void*)0); | |||
114 | ||||
115 | isl_int_set_si(aff->v->el[0], 1)isl_sioimath_set_si((aff->v->el[0]), 1); | |||
116 | isl_seq_clr(aff->v->el + 1, aff->v->size - 1); | |||
117 | ||||
118 | return aff; | |||
119 | } | |||
120 | ||||
121 | /* Return a piecewise affine expression defined on the specified domain | |||
122 | * that is equal to zero. | |||
123 | */ | |||
124 | __isl_give isl_pw_aff *isl_pw_aff_zero_on_domain(__isl_take isl_local_space *ls) | |||
125 | { | |||
126 | return isl_pw_aff_from_aff(isl_aff_zero_on_domain(ls)); | |||
127 | } | |||
128 | ||||
129 | /* Return an affine expression defined on the specified domain | |||
130 | * that represents NaN. | |||
131 | */ | |||
132 | __isl_give isl_aff *isl_aff_nan_on_domain(__isl_take isl_local_space *ls) | |||
133 | { | |||
134 | isl_aff *aff; | |||
135 | ||||
136 | aff = isl_aff_alloc(ls); | |||
137 | if (!aff) | |||
138 | return NULL((void*)0); | |||
139 | ||||
140 | isl_seq_clr(aff->v->el, aff->v->size); | |||
141 | ||||
142 | return aff; | |||
143 | } | |||
144 | ||||
145 | /* Return a piecewise affine expression defined on the specified domain | |||
146 | * that represents NaN. | |||
147 | */ | |||
148 | __isl_give isl_pw_aff *isl_pw_aff_nan_on_domain(__isl_take isl_local_space *ls) | |||
149 | { | |||
150 | return isl_pw_aff_from_aff(isl_aff_nan_on_domain(ls)); | |||
151 | } | |||
152 | ||||
153 | /* Return an affine expression that is equal to "val" on | |||
154 | * domain local space "ls". | |||
155 | */ | |||
156 | __isl_give isl_aff *isl_aff_val_on_domain(__isl_take isl_local_space *ls, | |||
157 | __isl_take isl_val *val) | |||
158 | { | |||
159 | isl_aff *aff; | |||
160 | ||||
161 | if (!ls || !val) | |||
162 | goto error; | |||
163 | if (!isl_val_is_rat(val)) | |||
164 | isl_die(isl_val_get_ctx(val), isl_error_invalid,do { isl_handle_error(isl_val_get_ctx(val), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 165); goto error; } while (0) | |||
165 | "expecting rational value", goto error)do { isl_handle_error(isl_val_get_ctx(val), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 165); goto error; } while (0); | |||
166 | ||||
167 | aff = isl_aff_alloc(isl_local_space_copy(ls)); | |||
168 | if (!aff) | |||
169 | goto error; | |||
170 | ||||
171 | isl_seq_clr(aff->v->el + 2, aff->v->size - 2); | |||
172 | isl_int_set(aff->v->el[1], val->n)isl_sioimath_set((aff->v->el[1]), *(val->n)); | |||
173 | isl_int_set(aff->v->el[0], val->d)isl_sioimath_set((aff->v->el[0]), *(val->d)); | |||
174 | ||||
175 | isl_local_space_free(ls); | |||
176 | isl_val_free(val); | |||
177 | return aff; | |||
178 | error: | |||
179 | isl_local_space_free(ls); | |||
180 | isl_val_free(val); | |||
181 | return NULL((void*)0); | |||
182 | } | |||
183 | ||||
184 | /* Return an affine expression that is equal to the specified dimension | |||
185 | * in "ls". | |||
186 | */ | |||
187 | __isl_give isl_aff *isl_aff_var_on_domain(__isl_take isl_local_space *ls, | |||
188 | enum isl_dim_type type, unsigned pos) | |||
189 | { | |||
190 | isl_space *space; | |||
191 | isl_aff *aff; | |||
192 | ||||
193 | if (!ls) | |||
194 | return NULL((void*)0); | |||
195 | ||||
196 | space = isl_local_space_get_space(ls); | |||
197 | if (!space) | |||
198 | goto error; | |||
199 | if (isl_space_is_map(space)) | |||
200 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting (parameter) set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 201); goto error; } while (0) | |||
201 | "expecting (parameter) set space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting (parameter) set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 201); goto error; } while (0); | |||
202 | if (pos >= isl_local_space_dim(ls, type)) | |||
203 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "position out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 204); goto error; } while (0) | |||
204 | "position out of bounds", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "position out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 204); goto error; } while (0); | |||
205 | ||||
206 | isl_space_free(space); | |||
207 | aff = isl_aff_alloc(ls); | |||
208 | if (!aff) | |||
209 | return NULL((void*)0); | |||
210 | ||||
211 | pos += isl_local_space_offset(aff->ls, type); | |||
212 | ||||
213 | isl_int_set_si(aff->v->el[0], 1)isl_sioimath_set_si((aff->v->el[0]), 1); | |||
214 | isl_seq_clr(aff->v->el + 1, aff->v->size - 1); | |||
215 | isl_int_set_si(aff->v->el[1 + pos], 1)isl_sioimath_set_si((aff->v->el[1 + pos]), 1); | |||
216 | ||||
217 | return aff; | |||
218 | error: | |||
219 | isl_local_space_free(ls); | |||
220 | isl_space_free(space); | |||
221 | return NULL((void*)0); | |||
222 | } | |||
223 | ||||
224 | /* Return a piecewise affine expression that is equal to | |||
225 | * the specified dimension in "ls". | |||
226 | */ | |||
227 | __isl_give isl_pw_aff *isl_pw_aff_var_on_domain(__isl_take isl_local_space *ls, | |||
228 | enum isl_dim_type type, unsigned pos) | |||
229 | { | |||
230 | return isl_pw_aff_from_aff(isl_aff_var_on_domain(ls, type, pos)); | |||
231 | } | |||
232 | ||||
233 | /* Return an affine expression that is equal to the parameter | |||
234 | * in the domain space "space" with identifier "id". | |||
235 | */ | |||
236 | __isl_give isl_aff *isl_aff_param_on_domain_space_id( | |||
237 | __isl_take isl_space *space, __isl_take isl_id *id) | |||
238 | { | |||
239 | int pos; | |||
240 | isl_local_space *ls; | |||
241 | ||||
242 | if (!space || !id) | |||
243 | goto error; | |||
244 | pos = isl_space_find_dim_by_id(space, isl_dim_param, id); | |||
245 | if (pos < 0) | |||
246 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "parameter not found in space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 247); goto error; } while (0) | |||
247 | "parameter not found in space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "parameter not found in space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 247); goto error; } while (0); | |||
248 | isl_id_free(id); | |||
249 | ls = isl_local_space_from_space(space); | |||
250 | return isl_aff_var_on_domain(ls, isl_dim_param, pos); | |||
251 | error: | |||
252 | isl_space_free(space); | |||
253 | isl_id_free(id); | |||
254 | return NULL((void*)0); | |||
255 | } | |||
256 | ||||
257 | __isl_give isl_aff *isl_aff_copy(__isl_keep isl_aff *aff) | |||
258 | { | |||
259 | if (!aff) | |||
260 | return NULL((void*)0); | |||
261 | ||||
262 | aff->ref++; | |||
263 | return aff; | |||
264 | } | |||
265 | ||||
266 | __isl_give isl_aff *isl_aff_dup(__isl_keep isl_aff *aff) | |||
267 | { | |||
268 | if (!aff) | |||
269 | return NULL((void*)0); | |||
270 | ||||
271 | return isl_aff_alloc_vec(isl_local_space_copy(aff->ls), | |||
272 | isl_vec_copy(aff->v)); | |||
273 | } | |||
274 | ||||
275 | __isl_give isl_aff *isl_aff_cow(__isl_take isl_aff *aff) | |||
276 | { | |||
277 | if (!aff) | |||
278 | return NULL((void*)0); | |||
279 | ||||
280 | if (aff->ref == 1) | |||
281 | return aff; | |||
282 | aff->ref--; | |||
283 | return isl_aff_dup(aff); | |||
284 | } | |||
285 | ||||
286 | __isl_null isl_aff *isl_aff_free(__isl_take isl_aff *aff) | |||
287 | { | |||
288 | if (!aff) | |||
289 | return NULL((void*)0); | |||
290 | ||||
291 | if (--aff->ref > 0) | |||
292 | return NULL((void*)0); | |||
293 | ||||
294 | isl_local_space_free(aff->ls); | |||
295 | isl_vec_free(aff->v); | |||
296 | ||||
297 | free(aff); | |||
298 | ||||
299 | return NULL((void*)0); | |||
300 | } | |||
301 | ||||
302 | isl_ctx *isl_aff_get_ctx(__isl_keep isl_aff *aff) | |||
303 | { | |||
304 | return aff ? isl_local_space_get_ctx(aff->ls) : NULL((void*)0); | |||
305 | } | |||
306 | ||||
307 | /* Return a hash value that digests "aff". | |||
308 | */ | |||
309 | uint32_t isl_aff_get_hash(__isl_keep isl_aff *aff) | |||
310 | { | |||
311 | uint32_t hash, ls_hash, v_hash; | |||
312 | ||||
313 | if (!aff) | |||
314 | return 0; | |||
315 | ||||
316 | hash = isl_hash_init()(2166136261u); | |||
317 | ls_hash = isl_local_space_get_hash(aff->ls); | |||
318 | isl_hash_hash(hash, ls_hash)do { do { hash *= 16777619; hash ^= (ls_hash) & 0xFF; } while (0); do { hash *= 16777619; hash ^= ((ls_hash) >> 8) & 0xFF; } while(0); do { hash *= 16777619; hash ^= ((ls_hash) >> 16) & 0xFF; } while(0); do { hash *= 16777619; hash ^= ( (ls_hash) >> 24) & 0xFF; } while(0); } while(0); | |||
319 | v_hash = isl_vec_get_hash(aff->v); | |||
320 | isl_hash_hash(hash, v_hash)do { do { hash *= 16777619; hash ^= (v_hash) & 0xFF; } while (0); do { hash *= 16777619; hash ^= ((v_hash) >> 8) & 0xFF; } while(0); do { hash *= 16777619; hash ^= ((v_hash) >> 16) & 0xFF; } while(0); do { hash *= 16777619; hash ^= ( (v_hash) >> 24) & 0xFF; } while(0); } while(0); | |||
321 | ||||
322 | return hash; | |||
323 | } | |||
324 | ||||
325 | /* Externally, an isl_aff has a map space, but internally, the | |||
326 | * ls field corresponds to the domain of that space. | |||
327 | */ | |||
328 | int isl_aff_dim(__isl_keep isl_aff *aff, enum isl_dim_type type) | |||
329 | { | |||
330 | if (!aff) | |||
331 | return 0; | |||
332 | if (type == isl_dim_out) | |||
333 | return 1; | |||
334 | if (type == isl_dim_in) | |||
335 | type = isl_dim_set; | |||
336 | return isl_local_space_dim(aff->ls, type); | |||
337 | } | |||
338 | ||||
339 | /* Return the position of the dimension of the given type and name | |||
340 | * in "aff". | |||
341 | * Return -1 if no such dimension can be found. | |||
342 | */ | |||
343 | int isl_aff_find_dim_by_name(__isl_keep isl_aff *aff, enum isl_dim_type type, | |||
344 | const char *name) | |||
345 | { | |||
346 | if (!aff) | |||
347 | return -1; | |||
348 | if (type == isl_dim_out) | |||
349 | return -1; | |||
350 | if (type == isl_dim_in) | |||
351 | type = isl_dim_set; | |||
352 | return isl_local_space_find_dim_by_name(aff->ls, type, name); | |||
353 | } | |||
354 | ||||
355 | /* Return the domain space of "aff". | |||
356 | */ | |||
357 | static __isl_keep isl_space *isl_aff_peek_domain_space(__isl_keep isl_aff *aff) | |||
358 | { | |||
359 | return aff ? isl_local_space_peek_space(aff->ls) : NULL((void*)0); | |||
360 | } | |||
361 | ||||
362 | __isl_give isl_space *isl_aff_get_domain_space(__isl_keep isl_aff *aff) | |||
363 | { | |||
364 | return isl_space_copy(isl_aff_peek_domain_space(aff)); | |||
365 | } | |||
366 | ||||
367 | __isl_give isl_space *isl_aff_get_space(__isl_keep isl_aff *aff) | |||
368 | { | |||
369 | isl_space *space; | |||
370 | if (!aff) | |||
371 | return NULL((void*)0); | |||
372 | space = isl_local_space_get_space(aff->ls); | |||
373 | space = isl_space_from_domain(space); | |||
374 | space = isl_space_add_dims(space, isl_dim_out, 1); | |||
375 | return space; | |||
376 | } | |||
377 | ||||
378 | __isl_give isl_local_space *isl_aff_get_domain_local_space( | |||
379 | __isl_keep isl_aff *aff) | |||
380 | { | |||
381 | return aff ? isl_local_space_copy(aff->ls) : NULL((void*)0); | |||
382 | } | |||
383 | ||||
384 | __isl_give isl_local_space *isl_aff_get_local_space(__isl_keep isl_aff *aff) | |||
385 | { | |||
386 | isl_local_space *ls; | |||
387 | if (!aff) | |||
388 | return NULL((void*)0); | |||
389 | ls = isl_local_space_copy(aff->ls); | |||
390 | ls = isl_local_space_from_domain(ls); | |||
391 | ls = isl_local_space_add_dims(ls, isl_dim_out, 1); | |||
392 | return ls; | |||
393 | } | |||
394 | ||||
395 | /* Return the local space of the domain of "aff". | |||
396 | * This may be either a copy or the local space itself | |||
397 | * if there is only one reference to "aff". | |||
398 | * This allows the local space to be modified inplace | |||
399 | * if both the expression and its local space have only a single reference. | |||
400 | * The caller is not allowed to modify "aff" between this call and | |||
401 | * a subsequent call to isl_aff_restore_domain_local_space. | |||
402 | * The only exception is that isl_aff_free can be called instead. | |||
403 | */ | |||
404 | __isl_give isl_local_space *isl_aff_take_domain_local_space( | |||
405 | __isl_keep isl_aff *aff) | |||
406 | { | |||
407 | isl_local_space *ls; | |||
408 | ||||
409 | if (!aff) | |||
410 | return NULL((void*)0); | |||
411 | if (aff->ref != 1) | |||
412 | return isl_aff_get_domain_local_space(aff); | |||
413 | ls = aff->ls; | |||
414 | aff->ls = NULL((void*)0); | |||
415 | return ls; | |||
416 | } | |||
417 | ||||
418 | /* Set the local space of the domain of "aff" to "ls", | |||
419 | * where the local space of "aff" may be missing | |||
420 | * due to a preceding call to isl_aff_take_domain_local_space. | |||
421 | * However, in this case, "aff" only has a single reference and | |||
422 | * then the call to isl_aff_cow has no effect. | |||
423 | */ | |||
424 | __isl_give isl_aff *isl_aff_restore_domain_local_space( | |||
425 | __isl_keep isl_aff *aff, __isl_take isl_local_space *ls) | |||
426 | { | |||
427 | if (!aff || !ls) | |||
428 | goto error; | |||
429 | ||||
430 | if (aff->ls == ls) { | |||
431 | isl_local_space_free(ls); | |||
432 | return aff; | |||
433 | } | |||
434 | ||||
435 | aff = isl_aff_cow(aff); | |||
436 | if (!aff) | |||
437 | goto error; | |||
438 | isl_local_space_free(aff->ls); | |||
439 | aff->ls = ls; | |||
440 | ||||
441 | return aff; | |||
442 | error: | |||
443 | isl_aff_free(aff); | |||
444 | isl_local_space_free(ls); | |||
445 | return NULL((void*)0); | |||
446 | } | |||
447 | ||||
448 | /* Externally, an isl_aff has a map space, but internally, the | |||
449 | * ls field corresponds to the domain of that space. | |||
450 | */ | |||
451 | const char *isl_aff_get_dim_name(__isl_keep isl_aff *aff, | |||
452 | enum isl_dim_type type, unsigned pos) | |||
453 | { | |||
454 | if (!aff) | |||
455 | return NULL((void*)0); | |||
456 | if (type == isl_dim_out) | |||
457 | return NULL((void*)0); | |||
458 | if (type == isl_dim_in) | |||
459 | type = isl_dim_set; | |||
460 | return isl_local_space_get_dim_name(aff->ls, type, pos); | |||
461 | } | |||
462 | ||||
463 | __isl_give isl_aff *isl_aff_reset_domain_space(__isl_take isl_aff *aff, | |||
464 | __isl_take isl_space *dim) | |||
465 | { | |||
466 | aff = isl_aff_cow(aff); | |||
467 | if (!aff || !dim) | |||
468 | goto error; | |||
469 | ||||
470 | aff->ls = isl_local_space_reset_space(aff->ls, dim); | |||
471 | if (!aff->ls) | |||
472 | return isl_aff_free(aff); | |||
473 | ||||
474 | return aff; | |||
475 | error: | |||
476 | isl_aff_free(aff); | |||
477 | isl_space_free(dim); | |||
478 | return NULL((void*)0); | |||
479 | } | |||
480 | ||||
481 | /* Reset the space of "aff". This function is called from isl_pw_templ.c | |||
482 | * and doesn't know if the space of an element object is represented | |||
483 | * directly or through its domain. It therefore passes along both. | |||
484 | */ | |||
485 | __isl_give isl_aff *isl_aff_reset_space_and_domain(__isl_take isl_aff *aff, | |||
486 | __isl_take isl_space *space, __isl_take isl_space *domain) | |||
487 | { | |||
488 | isl_space_free(space); | |||
489 | return isl_aff_reset_domain_space(aff, domain); | |||
490 | } | |||
491 | ||||
492 | /* Reorder the coefficients of the affine expression based | |||
493 | * on the given reordering. | |||
494 | * The reordering r is assumed to have been extended with the local | |||
495 | * variables. | |||
496 | */ | |||
497 | static __isl_give isl_vec *vec_reorder(__isl_take isl_vec *vec, | |||
498 | __isl_take isl_reordering *r, int n_div) | |||
499 | { | |||
500 | isl_space *space; | |||
501 | isl_vec *res; | |||
502 | int i; | |||
503 | ||||
504 | if (!vec || !r) | |||
505 | goto error; | |||
506 | ||||
507 | space = isl_reordering_peek_space(r); | |||
508 | res = isl_vec_alloc(vec->ctx, | |||
509 | 2 + isl_space_dim(space, isl_dim_all) + n_div); | |||
510 | if (!res) | |||
511 | goto error; | |||
512 | isl_seq_cpy(res->el, vec->el, 2); | |||
513 | isl_seq_clr(res->el + 2, res->size - 2); | |||
514 | for (i = 0; i < r->len; ++i) | |||
515 | isl_int_set(res->el[2 + r->pos[i]], vec->el[2 + i])isl_sioimath_set((res->el[2 + r->pos[i]]), *(vec->el [2 + i])); | |||
516 | ||||
517 | isl_reordering_free(r); | |||
518 | isl_vec_free(vec); | |||
519 | return res; | |||
520 | error: | |||
521 | isl_vec_free(vec); | |||
522 | isl_reordering_free(r); | |||
523 | return NULL((void*)0); | |||
524 | } | |||
525 | ||||
526 | /* Reorder the dimensions of the domain of "aff" according | |||
527 | * to the given reordering. | |||
528 | */ | |||
529 | __isl_give isl_aff *isl_aff_realign_domain(__isl_take isl_aff *aff, | |||
530 | __isl_take isl_reordering *r) | |||
531 | { | |||
532 | aff = isl_aff_cow(aff); | |||
533 | if (!aff) | |||
534 | goto error; | |||
535 | ||||
536 | r = isl_reordering_extend(r, aff->ls->div->n_row); | |||
537 | aff->v = vec_reorder(aff->v, isl_reordering_copy(r), | |||
538 | aff->ls->div->n_row); | |||
539 | aff->ls = isl_local_space_realign(aff->ls, r); | |||
540 | ||||
541 | if (!aff->v || !aff->ls) | |||
542 | return isl_aff_free(aff); | |||
543 | ||||
544 | return aff; | |||
545 | error: | |||
546 | isl_aff_free(aff); | |||
547 | isl_reordering_free(r); | |||
548 | return NULL((void*)0); | |||
549 | } | |||
550 | ||||
551 | __isl_give isl_aff *isl_aff_align_params(__isl_take isl_aff *aff, | |||
552 | __isl_take isl_space *model) | |||
553 | { | |||
554 | isl_bool equal_params; | |||
555 | ||||
556 | if (!aff || !model) | |||
557 | goto error; | |||
558 | ||||
559 | equal_params = isl_space_has_equal_params(aff->ls->dim, model); | |||
560 | if (equal_params < 0) | |||
561 | goto error; | |||
562 | if (!equal_params) { | |||
563 | isl_reordering *exp; | |||
564 | ||||
565 | exp = isl_parameter_alignment_reordering(aff->ls->dim, model); | |||
566 | exp = isl_reordering_extend_space(exp, | |||
567 | isl_aff_get_domain_space(aff)); | |||
568 | aff = isl_aff_realign_domain(aff, exp); | |||
569 | } | |||
570 | ||||
571 | isl_space_free(model); | |||
572 | return aff; | |||
573 | error: | |||
574 | isl_space_free(model); | |||
575 | isl_aff_free(aff); | |||
576 | return NULL((void*)0); | |||
577 | } | |||
578 | ||||
579 | /* Is "aff" obviously equal to zero? | |||
580 | * | |||
581 | * If the denominator is zero, then "aff" is not equal to zero. | |||
582 | */ | |||
583 | isl_bool isl_aff_plain_is_zero(__isl_keep isl_aff *aff) | |||
584 | { | |||
585 | if (!aff) | |||
586 | return isl_bool_error; | |||
587 | ||||
588 | if (isl_int_is_zero(aff->v->el[0])(isl_sioimath_sgn(*(aff->v->el[0])) == 0)) | |||
589 | return isl_bool_false; | |||
590 | return isl_seq_first_non_zero(aff->v->el + 1, aff->v->size - 1) < 0; | |||
591 | } | |||
592 | ||||
593 | /* Does "aff" represent NaN? | |||
594 | */ | |||
595 | isl_bool isl_aff_is_nan(__isl_keep isl_aff *aff) | |||
596 | { | |||
597 | if (!aff) | |||
598 | return isl_bool_error; | |||
599 | ||||
600 | return isl_seq_first_non_zero(aff->v->el, 2) < 0; | |||
601 | } | |||
602 | ||||
603 | /* Are "aff1" and "aff2" obviously equal? | |||
604 | * | |||
605 | * NaN is not equal to anything, not even to another NaN. | |||
606 | */ | |||
607 | isl_bool isl_aff_plain_is_equal(__isl_keep isl_aff *aff1, | |||
608 | __isl_keep isl_aff *aff2) | |||
609 | { | |||
610 | isl_bool equal; | |||
611 | ||||
612 | if (!aff1 || !aff2) | |||
613 | return isl_bool_error; | |||
614 | ||||
615 | if (isl_aff_is_nan(aff1) || isl_aff_is_nan(aff2)) | |||
616 | return isl_bool_false; | |||
617 | ||||
618 | equal = isl_local_space_is_equal(aff1->ls, aff2->ls); | |||
619 | if (equal < 0 || !equal) | |||
620 | return equal; | |||
621 | ||||
622 | return isl_vec_is_equal(aff1->v, aff2->v); | |||
623 | } | |||
624 | ||||
625 | /* Return the common denominator of "aff" in "v". | |||
626 | * | |||
627 | * We cannot return anything meaningful in case of a NaN. | |||
628 | */ | |||
629 | isl_stat isl_aff_get_denominator(__isl_keep isl_aff *aff, isl_int *v) | |||
630 | { | |||
631 | if (!aff) | |||
632 | return isl_stat_error; | |||
633 | if (isl_aff_is_nan(aff)) | |||
634 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot get denominator of NaN", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 635); return isl_stat_error; } while (0) | |||
635 | "cannot get denominator of NaN", return isl_stat_error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot get denominator of NaN", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 635); return isl_stat_error; } while (0); | |||
636 | isl_int_set(*v, aff->v->el[0])isl_sioimath_set((*v), *(aff->v->el[0])); | |||
637 | return isl_stat_ok; | |||
638 | } | |||
639 | ||||
640 | /* Return the common denominator of "aff". | |||
641 | */ | |||
642 | __isl_give isl_val *isl_aff_get_denominator_val(__isl_keep isl_aff *aff) | |||
643 | { | |||
644 | isl_ctx *ctx; | |||
645 | ||||
646 | if (!aff) | |||
647 | return NULL((void*)0); | |||
648 | ||||
649 | ctx = isl_aff_get_ctx(aff); | |||
650 | if (isl_aff_is_nan(aff)) | |||
651 | return isl_val_nan(ctx); | |||
652 | return isl_val_int_from_isl_int(ctx, aff->v->el[0]); | |||
653 | } | |||
654 | ||||
655 | /* Return the constant term of "aff". | |||
656 | */ | |||
657 | __isl_give isl_val *isl_aff_get_constant_val(__isl_keep isl_aff *aff) | |||
658 | { | |||
659 | isl_ctx *ctx; | |||
660 | isl_val *v; | |||
661 | ||||
662 | if (!aff) | |||
663 | return NULL((void*)0); | |||
664 | ||||
665 | ctx = isl_aff_get_ctx(aff); | |||
666 | if (isl_aff_is_nan(aff)) | |||
667 | return isl_val_nan(ctx); | |||
668 | v = isl_val_rat_from_isl_int(ctx, aff->v->el[1], aff->v->el[0]); | |||
669 | return isl_val_normalize(v); | |||
670 | } | |||
671 | ||||
672 | /* Return the coefficient of the variable of type "type" at position "pos" | |||
673 | * of "aff". | |||
674 | */ | |||
675 | __isl_give isl_val *isl_aff_get_coefficient_val(__isl_keep isl_aff *aff, | |||
676 | enum isl_dim_type type, int pos) | |||
677 | { | |||
678 | isl_ctx *ctx; | |||
679 | isl_val *v; | |||
680 | ||||
681 | if (!aff) | |||
682 | return NULL((void*)0); | |||
683 | ||||
684 | ctx = isl_aff_get_ctx(aff); | |||
685 | if (type == isl_dim_out) | |||
686 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 688); return ((void*)0); } while (0) | |||
687 | "output/set dimension does not have a coefficient",do { isl_handle_error(ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 688); return ((void*)0); } while (0) | |||
688 | return NULL)do { isl_handle_error(ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 688); return ((void*)0); } while (0); | |||
689 | if (type == isl_dim_in) | |||
690 | type = isl_dim_set; | |||
691 | ||||
692 | if (pos >= isl_local_space_dim(aff->ls, type)) | |||
693 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 694); return ((void*)0); } while (0) | |||
694 | "position out of bounds", return NULL)do { isl_handle_error(ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 694); return ((void*)0); } while (0); | |||
695 | ||||
696 | if (isl_aff_is_nan(aff)) | |||
697 | return isl_val_nan(ctx); | |||
698 | pos += isl_local_space_offset(aff->ls, type); | |||
699 | v = isl_val_rat_from_isl_int(ctx, aff->v->el[1 + pos], aff->v->el[0]); | |||
700 | return isl_val_normalize(v); | |||
701 | } | |||
702 | ||||
703 | /* Return the sign of the coefficient of the variable of type "type" | |||
704 | * at position "pos" of "aff". | |||
705 | */ | |||
706 | int isl_aff_coefficient_sgn(__isl_keep isl_aff *aff, enum isl_dim_type type, | |||
707 | int pos) | |||
708 | { | |||
709 | isl_ctx *ctx; | |||
710 | ||||
711 | if (!aff) | |||
712 | return 0; | |||
713 | ||||
714 | ctx = isl_aff_get_ctx(aff); | |||
715 | if (type == isl_dim_out) | |||
716 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 718); return 0; } while (0) | |||
717 | "output/set dimension does not have a coefficient",do { isl_handle_error(ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 718); return 0; } while (0) | |||
718 | return 0)do { isl_handle_error(ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 718); return 0; } while (0); | |||
719 | if (type == isl_dim_in) | |||
720 | type = isl_dim_set; | |||
721 | ||||
722 | if (pos >= isl_local_space_dim(aff->ls, type)) | |||
723 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 724); return 0; } while (0) | |||
724 | "position out of bounds", return 0)do { isl_handle_error(ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 724); return 0; } while (0); | |||
725 | ||||
726 | pos += isl_local_space_offset(aff->ls, type); | |||
727 | return isl_int_sgn(aff->v->el[1 + pos])isl_sioimath_sgn(*(aff->v->el[1 + pos])); | |||
728 | } | |||
729 | ||||
730 | /* Replace the numerator of the constant term of "aff" by "v". | |||
731 | * | |||
732 | * A NaN is unaffected by this operation. | |||
733 | */ | |||
734 | __isl_give isl_aff *isl_aff_set_constant(__isl_take isl_aff *aff, isl_int v) | |||
735 | { | |||
736 | if (!aff) | |||
737 | return NULL((void*)0); | |||
738 | if (isl_aff_is_nan(aff)) | |||
739 | return aff; | |||
740 | aff = isl_aff_cow(aff); | |||
741 | if (!aff) | |||
742 | return NULL((void*)0); | |||
743 | ||||
744 | aff->v = isl_vec_cow(aff->v); | |||
745 | if (!aff->v) | |||
746 | return isl_aff_free(aff); | |||
747 | ||||
748 | isl_int_set(aff->v->el[1], v)isl_sioimath_set((aff->v->el[1]), *(v)); | |||
749 | ||||
750 | return aff; | |||
751 | } | |||
752 | ||||
753 | /* Replace the constant term of "aff" by "v". | |||
754 | * | |||
755 | * A NaN is unaffected by this operation. | |||
756 | */ | |||
757 | __isl_give isl_aff *isl_aff_set_constant_val(__isl_take isl_aff *aff, | |||
758 | __isl_take isl_val *v) | |||
759 | { | |||
760 | if (!aff || !v) | |||
761 | goto error; | |||
762 | ||||
763 | if (isl_aff_is_nan(aff)) { | |||
764 | isl_val_free(v); | |||
765 | return aff; | |||
766 | } | |||
767 | ||||
768 | if (!isl_val_is_rat(v)) | |||
769 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 770); goto error; } while (0) | |||
770 | "expecting rational value", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 770); goto error; } while (0); | |||
771 | ||||
772 | if (isl_int_eq(aff->v->el[1], v->n)(isl_sioimath_cmp(*(aff->v->el[1]), *(v->n)) == 0) && | |||
773 | isl_int_eq(aff->v->el[0], v->d)(isl_sioimath_cmp(*(aff->v->el[0]), *(v->d)) == 0)) { | |||
774 | isl_val_free(v); | |||
775 | return aff; | |||
776 | } | |||
777 | ||||
778 | aff = isl_aff_cow(aff); | |||
779 | if (!aff) | |||
780 | goto error; | |||
781 | aff->v = isl_vec_cow(aff->v); | |||
782 | if (!aff->v) | |||
783 | goto error; | |||
784 | ||||
785 | if (isl_int_eq(aff->v->el[0], v->d)(isl_sioimath_cmp(*(aff->v->el[0]), *(v->d)) == 0)) { | |||
786 | isl_int_set(aff->v->el[1], v->n)isl_sioimath_set((aff->v->el[1]), *(v->n)); | |||
787 | } else if (isl_int_is_one(v->d)(isl_sioimath_cmp_si(*(v->d), 1) == 0)) { | |||
788 | isl_int_mul(aff->v->el[1], aff->v->el[0], v->n)isl_sioimath_mul((aff->v->el[1]), *(aff->v->el[0] ), *(v->n)); | |||
789 | } else { | |||
790 | isl_seq_scale(aff->v->el + 1, | |||
791 | aff->v->el + 1, v->d, aff->v->size - 1); | |||
792 | isl_int_mul(aff->v->el[1], aff->v->el[0], v->n)isl_sioimath_mul((aff->v->el[1]), *(aff->v->el[0] ), *(v->n)); | |||
793 | isl_int_mul(aff->v->el[0], aff->v->el[0], v->d)isl_sioimath_mul((aff->v->el[0]), *(aff->v->el[0] ), *(v->d)); | |||
794 | aff->v = isl_vec_normalize(aff->v); | |||
795 | if (!aff->v) | |||
796 | goto error; | |||
797 | } | |||
798 | ||||
799 | isl_val_free(v); | |||
800 | return aff; | |||
801 | error: | |||
802 | isl_aff_free(aff); | |||
803 | isl_val_free(v); | |||
804 | return NULL((void*)0); | |||
805 | } | |||
806 | ||||
807 | /* Add "v" to the constant term of "aff". | |||
808 | * | |||
809 | * A NaN is unaffected by this operation. | |||
810 | */ | |||
811 | __isl_give isl_aff *isl_aff_add_constant(__isl_take isl_aff *aff, isl_int v) | |||
812 | { | |||
813 | if (isl_int_is_zero(v)(isl_sioimath_sgn(*(v)) == 0)) | |||
814 | return aff; | |||
815 | ||||
816 | if (!aff) | |||
817 | return NULL((void*)0); | |||
818 | if (isl_aff_is_nan(aff)) | |||
819 | return aff; | |||
820 | aff = isl_aff_cow(aff); | |||
821 | if (!aff) | |||
822 | return NULL((void*)0); | |||
823 | ||||
824 | aff->v = isl_vec_cow(aff->v); | |||
825 | if (!aff->v) | |||
826 | return isl_aff_free(aff); | |||
827 | ||||
828 | isl_int_addmul(aff->v->el[1], aff->v->el[0], v)isl_sioimath_addmul((aff->v->el[1]), *(aff->v->el [0]), *(v)); | |||
829 | ||||
830 | return aff; | |||
831 | } | |||
832 | ||||
833 | /* Add "v" to the constant term of "aff". | |||
834 | * | |||
835 | * A NaN is unaffected by this operation. | |||
836 | */ | |||
837 | __isl_give isl_aff *isl_aff_add_constant_val(__isl_take isl_aff *aff, | |||
838 | __isl_take isl_val *v) | |||
839 | { | |||
840 | if (!aff || !v) | |||
841 | goto error; | |||
842 | ||||
843 | if (isl_aff_is_nan(aff) || isl_val_is_zero(v)) { | |||
844 | isl_val_free(v); | |||
845 | return aff; | |||
846 | } | |||
847 | ||||
848 | if (!isl_val_is_rat(v)) | |||
849 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 850); goto error; } while (0) | |||
850 | "expecting rational value", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 850); goto error; } while (0); | |||
851 | ||||
852 | aff = isl_aff_cow(aff); | |||
853 | if (!aff) | |||
854 | goto error; | |||
855 | ||||
856 | aff->v = isl_vec_cow(aff->v); | |||
857 | if (!aff->v) | |||
858 | goto error; | |||
859 | ||||
860 | if (isl_int_is_one(v->d)(isl_sioimath_cmp_si(*(v->d), 1) == 0)) { | |||
861 | isl_int_addmul(aff->v->el[1], aff->v->el[0], v->n)isl_sioimath_addmul((aff->v->el[1]), *(aff->v->el [0]), *(v->n)); | |||
862 | } else if (isl_int_eq(aff->v->el[0], v->d)(isl_sioimath_cmp(*(aff->v->el[0]), *(v->d)) == 0)) { | |||
863 | isl_int_add(aff->v->el[1], aff->v->el[1], v->n)isl_sioimath_add((aff->v->el[1]), *(aff->v->el[1] ), *(v->n)); | |||
864 | aff->v = isl_vec_normalize(aff->v); | |||
865 | if (!aff->v) | |||
866 | goto error; | |||
867 | } else { | |||
868 | isl_seq_scale(aff->v->el + 1, | |||
869 | aff->v->el + 1, v->d, aff->v->size - 1); | |||
870 | isl_int_addmul(aff->v->el[1], aff->v->el[0], v->n)isl_sioimath_addmul((aff->v->el[1]), *(aff->v->el [0]), *(v->n)); | |||
871 | isl_int_mul(aff->v->el[0], aff->v->el[0], v->d)isl_sioimath_mul((aff->v->el[0]), *(aff->v->el[0] ), *(v->d)); | |||
872 | aff->v = isl_vec_normalize(aff->v); | |||
873 | if (!aff->v) | |||
874 | goto error; | |||
875 | } | |||
876 | ||||
877 | isl_val_free(v); | |||
878 | return aff; | |||
879 | error: | |||
880 | isl_aff_free(aff); | |||
881 | isl_val_free(v); | |||
882 | return NULL((void*)0); | |||
883 | } | |||
884 | ||||
885 | __isl_give isl_aff *isl_aff_add_constant_si(__isl_take isl_aff *aff, int v) | |||
886 | { | |||
887 | isl_int t; | |||
888 | ||||
889 | isl_int_init(t)isl_sioimath_init((t)); | |||
890 | isl_int_set_si(t, v)isl_sioimath_set_si((t), v); | |||
891 | aff = isl_aff_add_constant(aff, t); | |||
892 | isl_int_clear(t)isl_sioimath_clear((t)); | |||
893 | ||||
894 | return aff; | |||
895 | } | |||
896 | ||||
897 | /* Add "v" to the numerator of the constant term of "aff". | |||
898 | * | |||
899 | * A NaN is unaffected by this operation. | |||
900 | */ | |||
901 | __isl_give isl_aff *isl_aff_add_constant_num(__isl_take isl_aff *aff, isl_int v) | |||
902 | { | |||
903 | if (isl_int_is_zero(v)(isl_sioimath_sgn(*(v)) == 0)) | |||
904 | return aff; | |||
905 | ||||
906 | if (!aff) | |||
907 | return NULL((void*)0); | |||
908 | if (isl_aff_is_nan(aff)) | |||
909 | return aff; | |||
910 | aff = isl_aff_cow(aff); | |||
911 | if (!aff) | |||
912 | return NULL((void*)0); | |||
913 | ||||
914 | aff->v = isl_vec_cow(aff->v); | |||
915 | if (!aff->v) | |||
916 | return isl_aff_free(aff); | |||
917 | ||||
918 | isl_int_add(aff->v->el[1], aff->v->el[1], v)isl_sioimath_add((aff->v->el[1]), *(aff->v->el[1] ), *(v)); | |||
919 | ||||
920 | return aff; | |||
921 | } | |||
922 | ||||
923 | /* Add "v" to the numerator of the constant term of "aff". | |||
924 | * | |||
925 | * A NaN is unaffected by this operation. | |||
926 | */ | |||
927 | __isl_give isl_aff *isl_aff_add_constant_num_si(__isl_take isl_aff *aff, int v) | |||
928 | { | |||
929 | isl_int t; | |||
930 | ||||
931 | if (v == 0) | |||
932 | return aff; | |||
933 | ||||
934 | isl_int_init(t)isl_sioimath_init((t)); | |||
935 | isl_int_set_si(t, v)isl_sioimath_set_si((t), v); | |||
936 | aff = isl_aff_add_constant_num(aff, t); | |||
937 | isl_int_clear(t)isl_sioimath_clear((t)); | |||
938 | ||||
939 | return aff; | |||
940 | } | |||
941 | ||||
942 | /* Replace the numerator of the constant term of "aff" by "v". | |||
943 | * | |||
944 | * A NaN is unaffected by this operation. | |||
945 | */ | |||
946 | __isl_give isl_aff *isl_aff_set_constant_si(__isl_take isl_aff *aff, int v) | |||
947 | { | |||
948 | if (!aff) | |||
949 | return NULL((void*)0); | |||
950 | if (isl_aff_is_nan(aff)) | |||
951 | return aff; | |||
952 | aff = isl_aff_cow(aff); | |||
953 | if (!aff) | |||
954 | return NULL((void*)0); | |||
955 | ||||
956 | aff->v = isl_vec_cow(aff->v); | |||
957 | if (!aff->v) | |||
958 | return isl_aff_free(aff); | |||
959 | ||||
960 | isl_int_set_si(aff->v->el[1], v)isl_sioimath_set_si((aff->v->el[1]), v); | |||
961 | ||||
962 | return aff; | |||
963 | } | |||
964 | ||||
965 | /* Replace the numerator of the coefficient of the variable of type "type" | |||
966 | * at position "pos" of "aff" by "v". | |||
967 | * | |||
968 | * A NaN is unaffected by this operation. | |||
969 | */ | |||
970 | __isl_give isl_aff *isl_aff_set_coefficient(__isl_take isl_aff *aff, | |||
971 | enum isl_dim_type type, int pos, isl_int v) | |||
972 | { | |||
973 | if (!aff) | |||
974 | return NULL((void*)0); | |||
975 | ||||
976 | if (type == isl_dim_out) | |||
977 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 979); return isl_aff_free(aff); } while (0) | |||
978 | "output/set dimension does not have a coefficient",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 979); return isl_aff_free(aff); } while (0) | |||
979 | return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 979); return isl_aff_free(aff); } while (0); | |||
980 | if (type == isl_dim_in) | |||
981 | type = isl_dim_set; | |||
982 | ||||
983 | if (pos >= isl_local_space_dim(aff->ls, type)) | |||
984 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 985); return isl_aff_free(aff); } while (0) | |||
985 | "position out of bounds", return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 985); return isl_aff_free(aff); } while (0); | |||
986 | ||||
987 | if (isl_aff_is_nan(aff)) | |||
988 | return aff; | |||
989 | aff = isl_aff_cow(aff); | |||
990 | if (!aff) | |||
991 | return NULL((void*)0); | |||
992 | ||||
993 | aff->v = isl_vec_cow(aff->v); | |||
994 | if (!aff->v) | |||
995 | return isl_aff_free(aff); | |||
996 | ||||
997 | pos += isl_local_space_offset(aff->ls, type); | |||
998 | isl_int_set(aff->v->el[1 + pos], v)isl_sioimath_set((aff->v->el[1 + pos]), *(v)); | |||
999 | ||||
1000 | return aff; | |||
1001 | } | |||
1002 | ||||
1003 | /* Replace the numerator of the coefficient of the variable of type "type" | |||
1004 | * at position "pos" of "aff" by "v". | |||
1005 | * | |||
1006 | * A NaN is unaffected by this operation. | |||
1007 | */ | |||
1008 | __isl_give isl_aff *isl_aff_set_coefficient_si(__isl_take isl_aff *aff, | |||
1009 | enum isl_dim_type type, int pos, int v) | |||
1010 | { | |||
1011 | if (!aff) | |||
1012 | return NULL((void*)0); | |||
1013 | ||||
1014 | if (type == isl_dim_out) | |||
1015 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1017); return isl_aff_free(aff); } while (0) | |||
1016 | "output/set dimension does not have a coefficient",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1017); return isl_aff_free(aff); } while (0) | |||
1017 | return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1017); return isl_aff_free(aff); } while (0); | |||
1018 | if (type == isl_dim_in) | |||
1019 | type = isl_dim_set; | |||
1020 | ||||
1021 | if (pos < 0 || pos >= isl_local_space_dim(aff->ls, type)) | |||
1022 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1023); return isl_aff_free(aff); } while (0) | |||
1023 | "position out of bounds", return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1023); return isl_aff_free(aff); } while (0); | |||
1024 | ||||
1025 | if (isl_aff_is_nan(aff)) | |||
1026 | return aff; | |||
1027 | pos += isl_local_space_offset(aff->ls, type); | |||
1028 | if (isl_int_cmp_si(aff->v->el[1 + pos], v)isl_sioimath_cmp_si(*(aff->v->el[1 + pos]), v) == 0) | |||
1029 | return aff; | |||
1030 | ||||
1031 | aff = isl_aff_cow(aff); | |||
1032 | if (!aff) | |||
1033 | return NULL((void*)0); | |||
1034 | ||||
1035 | aff->v = isl_vec_cow(aff->v); | |||
1036 | if (!aff->v) | |||
1037 | return isl_aff_free(aff); | |||
1038 | ||||
1039 | isl_int_set_si(aff->v->el[1 + pos], v)isl_sioimath_set_si((aff->v->el[1 + pos]), v); | |||
1040 | ||||
1041 | return aff; | |||
1042 | } | |||
1043 | ||||
1044 | /* Replace the coefficient of the variable of type "type" at position "pos" | |||
1045 | * of "aff" by "v". | |||
1046 | * | |||
1047 | * A NaN is unaffected by this operation. | |||
1048 | */ | |||
1049 | __isl_give isl_aff *isl_aff_set_coefficient_val(__isl_take isl_aff *aff, | |||
1050 | enum isl_dim_type type, int pos, __isl_take isl_val *v) | |||
1051 | { | |||
1052 | if (!aff || !v) | |||
1053 | goto error; | |||
1054 | ||||
1055 | if (type == isl_dim_out) | |||
1056 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1058); goto error; } while (0) | |||
1057 | "output/set dimension does not have a coefficient",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1058); goto error; } while (0) | |||
1058 | goto error)do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1058); goto error; } while (0); | |||
1059 | if (type == isl_dim_in) | |||
1060 | type = isl_dim_set; | |||
1061 | ||||
1062 | if (pos >= isl_local_space_dim(aff->ls, type)) | |||
1063 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1064); goto error; } while (0) | |||
1064 | "position out of bounds", goto error)do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1064); goto error; } while (0); | |||
1065 | ||||
1066 | if (isl_aff_is_nan(aff)) { | |||
1067 | isl_val_free(v); | |||
1068 | return aff; | |||
1069 | } | |||
1070 | if (!isl_val_is_rat(v)) | |||
1071 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1072); goto error; } while (0) | |||
1072 | "expecting rational value", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1072); goto error; } while (0); | |||
1073 | ||||
1074 | pos += isl_local_space_offset(aff->ls, type); | |||
1075 | if (isl_int_eq(aff->v->el[1 + pos], v->n)(isl_sioimath_cmp(*(aff->v->el[1 + pos]), *(v->n)) == 0) && | |||
1076 | isl_int_eq(aff->v->el[0], v->d)(isl_sioimath_cmp(*(aff->v->el[0]), *(v->d)) == 0)) { | |||
1077 | isl_val_free(v); | |||
1078 | return aff; | |||
1079 | } | |||
1080 | ||||
1081 | aff = isl_aff_cow(aff); | |||
1082 | if (!aff) | |||
1083 | goto error; | |||
1084 | aff->v = isl_vec_cow(aff->v); | |||
1085 | if (!aff->v) | |||
1086 | goto error; | |||
1087 | ||||
1088 | if (isl_int_eq(aff->v->el[0], v->d)(isl_sioimath_cmp(*(aff->v->el[0]), *(v->d)) == 0)) { | |||
1089 | isl_int_set(aff->v->el[1 + pos], v->n)isl_sioimath_set((aff->v->el[1 + pos]), *(v->n)); | |||
1090 | } else if (isl_int_is_one(v->d)(isl_sioimath_cmp_si(*(v->d), 1) == 0)) { | |||
1091 | isl_int_mul(aff->v->el[1 + pos], aff->v->el[0], v->n)isl_sioimath_mul((aff->v->el[1 + pos]), *(aff->v-> el[0]), *(v->n)); | |||
1092 | } else { | |||
1093 | isl_seq_scale(aff->v->el + 1, | |||
1094 | aff->v->el + 1, v->d, aff->v->size - 1); | |||
1095 | isl_int_mul(aff->v->el[1 + pos], aff->v->el[0], v->n)isl_sioimath_mul((aff->v->el[1 + pos]), *(aff->v-> el[0]), *(v->n)); | |||
1096 | isl_int_mul(aff->v->el[0], aff->v->el[0], v->d)isl_sioimath_mul((aff->v->el[0]), *(aff->v->el[0] ), *(v->d)); | |||
1097 | aff->v = isl_vec_normalize(aff->v); | |||
1098 | if (!aff->v) | |||
1099 | goto error; | |||
1100 | } | |||
1101 | ||||
1102 | isl_val_free(v); | |||
1103 | return aff; | |||
1104 | error: | |||
1105 | isl_aff_free(aff); | |||
1106 | isl_val_free(v); | |||
1107 | return NULL((void*)0); | |||
1108 | } | |||
1109 | ||||
1110 | /* Add "v" to the coefficient of the variable of type "type" | |||
1111 | * at position "pos" of "aff". | |||
1112 | * | |||
1113 | * A NaN is unaffected by this operation. | |||
1114 | */ | |||
1115 | __isl_give isl_aff *isl_aff_add_coefficient(__isl_take isl_aff *aff, | |||
1116 | enum isl_dim_type type, int pos, isl_int v) | |||
1117 | { | |||
1118 | if (!aff) | |||
1119 | return NULL((void*)0); | |||
1120 | ||||
1121 | if (type == isl_dim_out) | |||
1122 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1124); return isl_aff_free(aff); } while (0) | |||
1123 | "output/set dimension does not have a coefficient",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1124); return isl_aff_free(aff); } while (0) | |||
1124 | return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1124); return isl_aff_free(aff); } while (0); | |||
1125 | if (type == isl_dim_in) | |||
1126 | type = isl_dim_set; | |||
1127 | ||||
1128 | if (pos >= isl_local_space_dim(aff->ls, type)) | |||
1129 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1130); return isl_aff_free(aff); } while (0) | |||
1130 | "position out of bounds", return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1130); return isl_aff_free(aff); } while (0); | |||
1131 | ||||
1132 | if (isl_aff_is_nan(aff)) | |||
1133 | return aff; | |||
1134 | aff = isl_aff_cow(aff); | |||
1135 | if (!aff) | |||
1136 | return NULL((void*)0); | |||
1137 | ||||
1138 | aff->v = isl_vec_cow(aff->v); | |||
1139 | if (!aff->v) | |||
1140 | return isl_aff_free(aff); | |||
1141 | ||||
1142 | pos += isl_local_space_offset(aff->ls, type); | |||
1143 | isl_int_addmul(aff->v->el[1 + pos], aff->v->el[0], v)isl_sioimath_addmul((aff->v->el[1 + pos]), *(aff->v-> el[0]), *(v)); | |||
1144 | ||||
1145 | return aff; | |||
1146 | } | |||
1147 | ||||
1148 | /* Add "v" to the coefficient of the variable of type "type" | |||
1149 | * at position "pos" of "aff". | |||
1150 | * | |||
1151 | * A NaN is unaffected by this operation. | |||
1152 | */ | |||
1153 | __isl_give isl_aff *isl_aff_add_coefficient_val(__isl_take isl_aff *aff, | |||
1154 | enum isl_dim_type type, int pos, __isl_take isl_val *v) | |||
1155 | { | |||
1156 | if (!aff || !v) | |||
1157 | goto error; | |||
1158 | ||||
1159 | if (isl_val_is_zero(v)) { | |||
1160 | isl_val_free(v); | |||
1161 | return aff; | |||
1162 | } | |||
1163 | ||||
1164 | if (type == isl_dim_out) | |||
1165 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1167); goto error; } while (0) | |||
1166 | "output/set dimension does not have a coefficient",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1167); goto error; } while (0) | |||
1167 | goto error)do { isl_handle_error(aff->v->ctx, isl_error_invalid, "output/set dimension does not have a coefficient" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1167); goto error; } while (0); | |||
1168 | if (type == isl_dim_in) | |||
1169 | type = isl_dim_set; | |||
1170 | ||||
1171 | if (pos >= isl_local_space_dim(aff->ls, type)) | |||
1172 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1173); goto error; } while (0) | |||
1173 | "position out of bounds", goto error)do { isl_handle_error(aff->v->ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1173); goto error; } while (0); | |||
1174 | ||||
1175 | if (isl_aff_is_nan(aff)) { | |||
1176 | isl_val_free(v); | |||
1177 | return aff; | |||
1178 | } | |||
1179 | if (!isl_val_is_rat(v)) | |||
1180 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1181); goto error; } while (0) | |||
1181 | "expecting rational value", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational value", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1181); goto error; } while (0); | |||
1182 | ||||
1183 | aff = isl_aff_cow(aff); | |||
1184 | if (!aff) | |||
1185 | goto error; | |||
1186 | ||||
1187 | aff->v = isl_vec_cow(aff->v); | |||
1188 | if (!aff->v) | |||
1189 | goto error; | |||
1190 | ||||
1191 | pos += isl_local_space_offset(aff->ls, type); | |||
1192 | if (isl_int_is_one(v->d)(isl_sioimath_cmp_si(*(v->d), 1) == 0)) { | |||
1193 | isl_int_addmul(aff->v->el[1 + pos], aff->v->el[0], v->n)isl_sioimath_addmul((aff->v->el[1 + pos]), *(aff->v-> el[0]), *(v->n)); | |||
1194 | } else if (isl_int_eq(aff->v->el[0], v->d)(isl_sioimath_cmp(*(aff->v->el[0]), *(v->d)) == 0)) { | |||
1195 | isl_int_add(aff->v->el[1 + pos], aff->v->el[1 + pos], v->n)isl_sioimath_add((aff->v->el[1 + pos]), *(aff->v-> el[1 + pos]), *(v->n)); | |||
1196 | aff->v = isl_vec_normalize(aff->v); | |||
1197 | if (!aff->v) | |||
1198 | goto error; | |||
1199 | } else { | |||
1200 | isl_seq_scale(aff->v->el + 1, | |||
1201 | aff->v->el + 1, v->d, aff->v->size - 1); | |||
1202 | isl_int_addmul(aff->v->el[1 + pos], aff->v->el[0], v->n)isl_sioimath_addmul((aff->v->el[1 + pos]), *(aff->v-> el[0]), *(v->n)); | |||
1203 | isl_int_mul(aff->v->el[0], aff->v->el[0], v->d)isl_sioimath_mul((aff->v->el[0]), *(aff->v->el[0] ), *(v->d)); | |||
1204 | aff->v = isl_vec_normalize(aff->v); | |||
1205 | if (!aff->v) | |||
1206 | goto error; | |||
1207 | } | |||
1208 | ||||
1209 | isl_val_free(v); | |||
1210 | return aff; | |||
1211 | error: | |||
1212 | isl_aff_free(aff); | |||
1213 | isl_val_free(v); | |||
1214 | return NULL((void*)0); | |||
1215 | } | |||
1216 | ||||
1217 | __isl_give isl_aff *isl_aff_add_coefficient_si(__isl_take isl_aff *aff, | |||
1218 | enum isl_dim_type type, int pos, int v) | |||
1219 | { | |||
1220 | isl_int t; | |||
1221 | ||||
1222 | isl_int_init(t)isl_sioimath_init((t)); | |||
1223 | isl_int_set_si(t, v)isl_sioimath_set_si((t), v); | |||
1224 | aff = isl_aff_add_coefficient(aff, type, pos, t); | |||
1225 | isl_int_clear(t)isl_sioimath_clear((t)); | |||
1226 | ||||
1227 | return aff; | |||
1228 | } | |||
1229 | ||||
1230 | __isl_give isl_aff *isl_aff_get_div(__isl_keep isl_aff *aff, int pos) | |||
1231 | { | |||
1232 | if (!aff) | |||
1233 | return NULL((void*)0); | |||
1234 | ||||
1235 | return isl_local_space_get_div(aff->ls, pos); | |||
1236 | } | |||
1237 | ||||
1238 | /* Return the negation of "aff". | |||
1239 | * | |||
1240 | * As a special case, -NaN = NaN. | |||
1241 | */ | |||
1242 | __isl_give isl_aff *isl_aff_neg(__isl_take isl_aff *aff) | |||
1243 | { | |||
1244 | if (!aff) | |||
1245 | return NULL((void*)0); | |||
1246 | if (isl_aff_is_nan(aff)) | |||
1247 | return aff; | |||
1248 | aff = isl_aff_cow(aff); | |||
1249 | if (!aff) | |||
1250 | return NULL((void*)0); | |||
1251 | aff->v = isl_vec_cow(aff->v); | |||
1252 | if (!aff->v) | |||
1253 | return isl_aff_free(aff); | |||
1254 | ||||
1255 | isl_seq_neg(aff->v->el + 1, aff->v->el + 1, aff->v->size - 1); | |||
1256 | ||||
1257 | return aff; | |||
1258 | } | |||
1259 | ||||
1260 | /* Remove divs from the local space that do not appear in the affine | |||
1261 | * expression. | |||
1262 | * We currently only remove divs at the end. | |||
1263 | * Some intermediate divs may also not appear directly in the affine | |||
1264 | * expression, but we would also need to check that no other divs are | |||
1265 | * defined in terms of them. | |||
1266 | */ | |||
1267 | __isl_give isl_aff *isl_aff_remove_unused_divs(__isl_take isl_aff *aff) | |||
1268 | { | |||
1269 | int pos; | |||
1270 | int off; | |||
1271 | int n; | |||
1272 | ||||
1273 | if (!aff) | |||
1274 | return NULL((void*)0); | |||
1275 | ||||
1276 | n = isl_local_space_dim(aff->ls, isl_dim_div); | |||
1277 | off = isl_local_space_offset(aff->ls, isl_dim_div); | |||
1278 | ||||
1279 | pos = isl_seq_last_non_zero(aff->v->el + 1 + off, n) + 1; | |||
1280 | if (pos == n) | |||
1281 | return aff; | |||
1282 | ||||
1283 | aff = isl_aff_cow(aff); | |||
1284 | if (!aff) | |||
1285 | return NULL((void*)0); | |||
1286 | ||||
1287 | aff->ls = isl_local_space_drop_dims(aff->ls, isl_dim_div, pos, n - pos); | |||
1288 | aff->v = isl_vec_drop_els(aff->v, 1 + off + pos, n - pos); | |||
1289 | if (!aff->ls || !aff->v) | |||
1290 | return isl_aff_free(aff); | |||
1291 | ||||
1292 | return aff; | |||
1293 | } | |||
1294 | ||||
1295 | /* Look for any divs in the aff->ls with a denominator equal to one | |||
1296 | * and plug them into the affine expression and any subsequent divs | |||
1297 | * that may reference the div. | |||
1298 | */ | |||
1299 | static __isl_give isl_aff *plug_in_integral_divs(__isl_take isl_aff *aff) | |||
1300 | { | |||
1301 | int i, n; | |||
1302 | int len; | |||
1303 | isl_int v; | |||
1304 | isl_vec *vec; | |||
1305 | isl_local_space *ls; | |||
1306 | unsigned pos; | |||
1307 | ||||
1308 | if (!aff) | |||
1309 | return NULL((void*)0); | |||
1310 | ||||
1311 | n = isl_local_space_dim(aff->ls, isl_dim_div); | |||
1312 | len = aff->v->size; | |||
1313 | for (i = 0; i < n; ++i) { | |||
1314 | if (!isl_int_is_one(aff->ls->div->row[i][0])(isl_sioimath_cmp_si(*(aff->ls->div->row[i][0]), 1) == 0)) | |||
1315 | continue; | |||
1316 | ls = isl_local_space_copy(aff->ls); | |||
1317 | ls = isl_local_space_substitute_seq(ls, isl_dim_div, i, | |||
1318 | aff->ls->div->row[i], len, i + 1, n - (i + 1)); | |||
1319 | vec = isl_vec_copy(aff->v); | |||
1320 | vec = isl_vec_cow(vec); | |||
1321 | if (!ls || !vec) | |||
1322 | goto error; | |||
1323 | ||||
1324 | isl_int_init(v)isl_sioimath_init((v)); | |||
1325 | ||||
1326 | pos = isl_local_space_offset(aff->ls, isl_dim_div) + i; | |||
1327 | isl_seq_substitute(vec->el, pos, aff->ls->div->row[i], | |||
1328 | len, len, v); | |||
1329 | ||||
1330 | isl_int_clear(v)isl_sioimath_clear((v)); | |||
1331 | ||||
1332 | isl_vec_free(aff->v); | |||
1333 | aff->v = vec; | |||
1334 | isl_local_space_free(aff->ls); | |||
1335 | aff->ls = ls; | |||
1336 | } | |||
1337 | ||||
1338 | return aff; | |||
1339 | error: | |||
1340 | isl_vec_free(vec); | |||
1341 | isl_local_space_free(ls); | |||
1342 | return isl_aff_free(aff); | |||
1343 | } | |||
1344 | ||||
1345 | /* Look for any divs j that appear with a unit coefficient inside | |||
1346 | * the definitions of other divs i and plug them into the definitions | |||
1347 | * of the divs i. | |||
1348 | * | |||
1349 | * In particular, an expression of the form | |||
1350 | * | |||
1351 | * floor((f(..) + floor(g(..)/n))/m) | |||
1352 | * | |||
1353 | * is simplified to | |||
1354 | * | |||
1355 | * floor((n * f(..) + g(..))/(n * m)) | |||
1356 | * | |||
1357 | * This simplification is correct because we can move the expression | |||
1358 | * f(..) into the inner floor in the original expression to obtain | |||
1359 | * | |||
1360 | * floor(floor((n * f(..) + g(..))/n)/m) | |||
1361 | * | |||
1362 | * from which we can derive the simplified expression. | |||
1363 | */ | |||
1364 | static __isl_give isl_aff *plug_in_unit_divs(__isl_take isl_aff *aff) | |||
1365 | { | |||
1366 | int i, j, n; | |||
1367 | int off; | |||
1368 | ||||
1369 | if (!aff) | |||
1370 | return NULL((void*)0); | |||
1371 | ||||
1372 | n = isl_local_space_dim(aff->ls, isl_dim_div); | |||
1373 | off = isl_local_space_offset(aff->ls, isl_dim_div); | |||
1374 | for (i = 1; i < n; ++i) { | |||
1375 | for (j = 0; j < i; ++j) { | |||
1376 | if (!isl_int_is_one(aff->ls->div->row[i][1 + off + j])(isl_sioimath_cmp_si(*(aff->ls->div->row[i][1 + off + j]), 1) == 0)) | |||
1377 | continue; | |||
1378 | aff->ls = isl_local_space_substitute_seq(aff->ls, | |||
1379 | isl_dim_div, j, aff->ls->div->row[j], | |||
1380 | aff->v->size, i, 1); | |||
1381 | if (!aff->ls) | |||
1382 | return isl_aff_free(aff); | |||
1383 | } | |||
1384 | } | |||
1385 | ||||
1386 | return aff; | |||
1387 | } | |||
1388 | ||||
1389 | /* Swap divs "a" and "b" in "aff", which is assumed to be non-NULL. | |||
1390 | * | |||
1391 | * Even though this function is only called on isl_affs with a single | |||
1392 | * reference, we are careful to only change aff->v and aff->ls together. | |||
1393 | */ | |||
1394 | static __isl_give isl_aff *swap_div(__isl_take isl_aff *aff, int a, int b) | |||
1395 | { | |||
1396 | unsigned off = isl_local_space_offset(aff->ls, isl_dim_div); | |||
1397 | isl_local_space *ls; | |||
1398 | isl_vec *v; | |||
1399 | ||||
1400 | ls = isl_local_space_copy(aff->ls); | |||
1401 | ls = isl_local_space_swap_div(ls, a, b); | |||
1402 | v = isl_vec_copy(aff->v); | |||
1403 | v = isl_vec_cow(v); | |||
1404 | if (!ls || !v) | |||
1405 | goto error; | |||
1406 | ||||
1407 | isl_int_swap(v->el[1 + off + a], v->el[1 + off + b])isl_sioimath_swap((v->el[1 + off + a]), (v->el[1 + off + b])); | |||
1408 | isl_vec_free(aff->v); | |||
1409 | aff->v = v; | |||
1410 | isl_local_space_free(aff->ls); | |||
1411 | aff->ls = ls; | |||
1412 | ||||
1413 | return aff; | |||
1414 | error: | |||
1415 | isl_vec_free(v); | |||
1416 | isl_local_space_free(ls); | |||
1417 | return isl_aff_free(aff); | |||
1418 | } | |||
1419 | ||||
1420 | /* Merge divs "a" and "b" in "aff", which is assumed to be non-NULL. | |||
1421 | * | |||
1422 | * We currently do not actually remove div "b", but simply add its | |||
1423 | * coefficient to that of "a" and then zero it out. | |||
1424 | */ | |||
1425 | static __isl_give isl_aff *merge_divs(__isl_take isl_aff *aff, int a, int b) | |||
1426 | { | |||
1427 | unsigned off = isl_local_space_offset(aff->ls, isl_dim_div); | |||
1428 | ||||
1429 | if (isl_int_is_zero(aff->v->el[1 + off + b])(isl_sioimath_sgn(*(aff->v->el[1 + off + b])) == 0)) | |||
1430 | return aff; | |||
1431 | ||||
1432 | aff->v = isl_vec_cow(aff->v); | |||
1433 | if (!aff->v) | |||
1434 | return isl_aff_free(aff); | |||
1435 | ||||
1436 | isl_int_add(aff->v->el[1 + off + a],isl_sioimath_add((aff->v->el[1 + off + a]), *(aff->v ->el[1 + off + a]), *(aff->v->el[1 + off + b])) | |||
1437 | aff->v->el[1 + off + a], aff->v->el[1 + off + b])isl_sioimath_add((aff->v->el[1 + off + a]), *(aff->v ->el[1 + off + a]), *(aff->v->el[1 + off + b])); | |||
1438 | isl_int_set_si(aff->v->el[1 + off + b], 0)isl_sioimath_set_si((aff->v->el[1 + off + b]), 0); | |||
1439 | ||||
1440 | return aff; | |||
1441 | } | |||
1442 | ||||
1443 | /* Sort the divs in the local space of "aff" according to | |||
1444 | * the comparison function "cmp_row" in isl_local_space.c, | |||
1445 | * combining the coefficients of identical divs. | |||
1446 | * | |||
1447 | * Reordering divs does not change the semantics of "aff", | |||
1448 | * so there is no need to call isl_aff_cow. | |||
1449 | * Moreover, this function is currently only called on isl_affs | |||
1450 | * with a single reference. | |||
1451 | */ | |||
1452 | static __isl_give isl_aff *sort_divs(__isl_take isl_aff *aff) | |||
1453 | { | |||
1454 | int i, j, n; | |||
1455 | ||||
1456 | if (!aff) | |||
1457 | return NULL((void*)0); | |||
1458 | ||||
1459 | n = isl_aff_dim(aff, isl_dim_div); | |||
1460 | for (i = 1; i < n; ++i) { | |||
1461 | for (j = i - 1; j >= 0; --j) { | |||
1462 | int cmp = isl_mat_cmp_div(aff->ls->div, j, j + 1); | |||
1463 | if (cmp < 0) | |||
1464 | break; | |||
1465 | if (cmp == 0) | |||
1466 | aff = merge_divs(aff, j, j + 1); | |||
1467 | else | |||
1468 | aff = swap_div(aff, j, j + 1); | |||
1469 | if (!aff) | |||
1470 | return NULL((void*)0); | |||
1471 | } | |||
1472 | } | |||
1473 | ||||
1474 | return aff; | |||
1475 | } | |||
1476 | ||||
1477 | /* Normalize the representation of "aff". | |||
1478 | * | |||
1479 | * This function should only be called of "new" isl_affs, i.e., | |||
1480 | * with only a single reference. We therefore do not need to | |||
1481 | * worry about affecting other instances. | |||
1482 | */ | |||
1483 | __isl_give isl_aff *isl_aff_normalize(__isl_take isl_aff *aff) | |||
1484 | { | |||
1485 | if (!aff) | |||
1486 | return NULL((void*)0); | |||
1487 | aff->v = isl_vec_normalize(aff->v); | |||
1488 | if (!aff->v) | |||
1489 | return isl_aff_free(aff); | |||
1490 | aff = plug_in_integral_divs(aff); | |||
1491 | aff = plug_in_unit_divs(aff); | |||
1492 | aff = sort_divs(aff); | |||
1493 | aff = isl_aff_remove_unused_divs(aff); | |||
1494 | return aff; | |||
1495 | } | |||
1496 | ||||
1497 | /* Given f, return floor(f). | |||
1498 | * If f is an integer expression, then just return f. | |||
1499 | * If f is a constant, then return the constant floor(f). | |||
1500 | * Otherwise, if f = g/m, write g = q m + r, | |||
1501 | * create a new div d = [r/m] and return the expression q + d. | |||
1502 | * The coefficients in r are taken to lie between -m/2 and m/2. | |||
1503 | * | |||
1504 | * reduce_div_coefficients performs the same normalization. | |||
1505 | * | |||
1506 | * As a special case, floor(NaN) = NaN. | |||
1507 | */ | |||
1508 | __isl_give isl_aff *isl_aff_floor(__isl_take isl_aff *aff) | |||
1509 | { | |||
1510 | int i; | |||
1511 | int size; | |||
1512 | isl_ctx *ctx; | |||
1513 | isl_vec *div; | |||
1514 | ||||
1515 | if (!aff) | |||
1516 | return NULL((void*)0); | |||
1517 | ||||
1518 | if (isl_aff_is_nan(aff)) | |||
1519 | return aff; | |||
1520 | if (isl_int_is_one(aff->v->el[0])(isl_sioimath_cmp_si(*(aff->v->el[0]), 1) == 0)) | |||
1521 | return aff; | |||
1522 | ||||
1523 | aff = isl_aff_cow(aff); | |||
1524 | if (!aff) | |||
1525 | return NULL((void*)0); | |||
1526 | ||||
1527 | aff->v = isl_vec_cow(aff->v); | |||
1528 | if (!aff->v) | |||
1529 | return isl_aff_free(aff); | |||
1530 | ||||
1531 | if (isl_aff_is_cst(aff)) { | |||
1532 | isl_int_fdiv_q(aff->v->el[1], aff->v->el[1], aff->v->el[0])isl_sioimath_fdiv_q((aff->v->el[1]), *(aff->v->el [1]), *(aff->v->el[0])); | |||
1533 | isl_int_set_si(aff->v->el[0], 1)isl_sioimath_set_si((aff->v->el[0]), 1); | |||
1534 | return aff; | |||
1535 | } | |||
1536 | ||||
1537 | div = isl_vec_copy(aff->v); | |||
1538 | div = isl_vec_cow(div); | |||
1539 | if (!div) | |||
1540 | return isl_aff_free(aff); | |||
1541 | ||||
1542 | ctx = isl_aff_get_ctx(aff); | |||
1543 | isl_int_fdiv_q(aff->v->el[0], aff->v->el[0], ctx->two)isl_sioimath_fdiv_q((aff->v->el[0]), *(aff->v->el [0]), *(ctx->two)); | |||
1544 | for (i = 1; i < aff->v->size; ++i) { | |||
1545 | isl_int_fdiv_r(div->el[i], div->el[i], div->el[0])isl_sioimath_fdiv_r((div->el[i]), *(div->el[i]), *(div-> el[0])); | |||
1546 | isl_int_fdiv_q(aff->v->el[i], aff->v->el[i], div->el[0])isl_sioimath_fdiv_q((aff->v->el[i]), *(aff->v->el [i]), *(div->el[0])); | |||
1547 | if (isl_int_gt(div->el[i], aff->v->el[0])(isl_sioimath_cmp(*(div->el[i]), *(aff->v->el[0])) > 0)) { | |||
1548 | isl_int_sub(div->el[i], div->el[i], div->el[0])isl_sioimath_sub((div->el[i]), *(div->el[i]), *(div-> el[0])); | |||
1549 | isl_int_add_ui(aff->v->el[i], aff->v->el[i], 1)isl_sioimath_add_ui((aff->v->el[i]), *(aff->v->el [i]), 1); | |||
1550 | } | |||
1551 | } | |||
1552 | ||||
1553 | aff->ls = isl_local_space_add_div(aff->ls, div); | |||
1554 | if (!aff->ls) | |||
1555 | return isl_aff_free(aff); | |||
1556 | ||||
1557 | size = aff->v->size; | |||
1558 | aff->v = isl_vec_extend(aff->v, size + 1); | |||
1559 | if (!aff->v) | |||
1560 | return isl_aff_free(aff); | |||
1561 | isl_int_set_si(aff->v->el[0], 1)isl_sioimath_set_si((aff->v->el[0]), 1); | |||
1562 | isl_int_set_si(aff->v->el[size], 1)isl_sioimath_set_si((aff->v->el[size]), 1); | |||
1563 | ||||
1564 | aff = isl_aff_normalize(aff); | |||
1565 | ||||
1566 | return aff; | |||
1567 | } | |||
1568 | ||||
1569 | /* Compute | |||
1570 | * | |||
1571 | * aff mod m = aff - m * floor(aff/m) | |||
1572 | * | |||
1573 | * with m an integer value. | |||
1574 | */ | |||
1575 | __isl_give isl_aff *isl_aff_mod_val(__isl_take isl_aff *aff, | |||
1576 | __isl_take isl_val *m) | |||
1577 | { | |||
1578 | isl_aff *res; | |||
1579 | ||||
1580 | if (!aff || !m) | |||
1581 | goto error; | |||
1582 | ||||
1583 | if (!isl_val_is_int(m)) | |||
1584 | isl_die(isl_val_get_ctx(m), isl_error_invalid,do { isl_handle_error(isl_val_get_ctx(m), isl_error_invalid, "expecting integer modulo" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1585); goto error; } while (0) | |||
1585 | "expecting integer modulo", goto error)do { isl_handle_error(isl_val_get_ctx(m), isl_error_invalid, "expecting integer modulo" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1585); goto error; } while (0); | |||
1586 | ||||
1587 | res = isl_aff_copy(aff); | |||
1588 | aff = isl_aff_scale_down_val(aff, isl_val_copy(m)); | |||
1589 | aff = isl_aff_floor(aff); | |||
1590 | aff = isl_aff_scale_val(aff, m); | |||
1591 | res = isl_aff_sub(res, aff); | |||
1592 | ||||
1593 | return res; | |||
1594 | error: | |||
1595 | isl_aff_free(aff); | |||
1596 | isl_val_free(m); | |||
1597 | return NULL((void*)0); | |||
1598 | } | |||
1599 | ||||
1600 | /* Compute | |||
1601 | * | |||
1602 | * pwaff mod m = pwaff - m * floor(pwaff/m) | |||
1603 | */ | |||
1604 | __isl_give isl_pw_aff *isl_pw_aff_mod(__isl_take isl_pw_aff *pwaff, isl_int m) | |||
1605 | { | |||
1606 | isl_pw_aff *res; | |||
1607 | ||||
1608 | res = isl_pw_aff_copy(pwaff); | |||
1609 | pwaff = isl_pw_aff_scale_down(pwaff, m); | |||
1610 | pwaff = isl_pw_aff_floor(pwaff); | |||
1611 | pwaff = isl_pw_aff_scale(pwaff, m); | |||
1612 | res = isl_pw_aff_sub(res, pwaff); | |||
1613 | ||||
1614 | return res; | |||
1615 | } | |||
1616 | ||||
1617 | /* Compute | |||
1618 | * | |||
1619 | * pa mod m = pa - m * floor(pa/m) | |||
1620 | * | |||
1621 | * with m an integer value. | |||
1622 | */ | |||
1623 | __isl_give isl_pw_aff *isl_pw_aff_mod_val(__isl_take isl_pw_aff *pa, | |||
1624 | __isl_take isl_val *m) | |||
1625 | { | |||
1626 | if (!pa || !m) | |||
1627 | goto error; | |||
1628 | if (!isl_val_is_int(m)) | |||
1629 | isl_die(isl_pw_aff_get_ctx(pa), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "expecting integer modulo", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1630); goto error; } while (0) | |||
1630 | "expecting integer modulo", goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "expecting integer modulo", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1630); goto error; } while (0); | |||
1631 | pa = isl_pw_aff_mod(pa, m->n); | |||
1632 | isl_val_free(m); | |||
1633 | return pa; | |||
1634 | error: | |||
1635 | isl_pw_aff_free(pa); | |||
1636 | isl_val_free(m); | |||
1637 | return NULL((void*)0); | |||
1638 | } | |||
1639 | ||||
1640 | /* Given f, return ceil(f). | |||
1641 | * If f is an integer expression, then just return f. | |||
1642 | * Otherwise, let f be the expression | |||
1643 | * | |||
1644 | * e/m | |||
1645 | * | |||
1646 | * then return | |||
1647 | * | |||
1648 | * floor((e + m - 1)/m) | |||
1649 | * | |||
1650 | * As a special case, ceil(NaN) = NaN. | |||
1651 | */ | |||
1652 | __isl_give isl_aff *isl_aff_ceil(__isl_take isl_aff *aff) | |||
1653 | { | |||
1654 | if (!aff) | |||
1655 | return NULL((void*)0); | |||
1656 | ||||
1657 | if (isl_aff_is_nan(aff)) | |||
1658 | return aff; | |||
1659 | if (isl_int_is_one(aff->v->el[0])(isl_sioimath_cmp_si(*(aff->v->el[0]), 1) == 0)) | |||
1660 | return aff; | |||
1661 | ||||
1662 | aff = isl_aff_cow(aff); | |||
1663 | if (!aff) | |||
1664 | return NULL((void*)0); | |||
1665 | aff->v = isl_vec_cow(aff->v); | |||
1666 | if (!aff->v) | |||
1667 | return isl_aff_free(aff); | |||
1668 | ||||
1669 | isl_int_add(aff->v->el[1], aff->v->el[1], aff->v->el[0])isl_sioimath_add((aff->v->el[1]), *(aff->v->el[1] ), *(aff->v->el[0])); | |||
1670 | isl_int_sub_ui(aff->v->el[1], aff->v->el[1], 1)isl_sioimath_sub_ui((aff->v->el[1]), *(aff->v->el [1]), 1); | |||
1671 | aff = isl_aff_floor(aff); | |||
1672 | ||||
1673 | return aff; | |||
1674 | } | |||
1675 | ||||
1676 | /* Apply the expansion computed by isl_merge_divs. | |||
1677 | * The expansion itself is given by "exp" while the resulting | |||
1678 | * list of divs is given by "div". | |||
1679 | */ | |||
1680 | __isl_give isl_aff *isl_aff_expand_divs(__isl_take isl_aff *aff, | |||
1681 | __isl_take isl_mat *div, int *exp) | |||
1682 | { | |||
1683 | int old_n_div; | |||
1684 | int new_n_div; | |||
1685 | int offset; | |||
1686 | ||||
1687 | aff = isl_aff_cow(aff); | |||
1688 | if (!aff || !div) | |||
1689 | goto error; | |||
1690 | ||||
1691 | old_n_div = isl_local_space_dim(aff->ls, isl_dim_div); | |||
1692 | new_n_div = isl_mat_rows(div); | |||
1693 | offset = 1 + isl_local_space_offset(aff->ls, isl_dim_div); | |||
1694 | ||||
1695 | aff->v = isl_vec_expand(aff->v, offset, old_n_div, exp, new_n_div); | |||
1696 | aff->ls = isl_local_space_replace_divs(aff->ls, div); | |||
1697 | if (!aff->v || !aff->ls) | |||
1698 | return isl_aff_free(aff); | |||
1699 | return aff; | |||
1700 | error: | |||
1701 | isl_aff_free(aff); | |||
1702 | isl_mat_free(div); | |||
1703 | return NULL((void*)0); | |||
1704 | } | |||
1705 | ||||
1706 | /* Add two affine expressions that live in the same local space. | |||
1707 | */ | |||
1708 | static __isl_give isl_aff *add_expanded(__isl_take isl_aff *aff1, | |||
1709 | __isl_take isl_aff *aff2) | |||
1710 | { | |||
1711 | isl_int gcd, f; | |||
1712 | ||||
1713 | aff1 = isl_aff_cow(aff1); | |||
1714 | if (!aff1 || !aff2) | |||
1715 | goto error; | |||
1716 | ||||
1717 | aff1->v = isl_vec_cow(aff1->v); | |||
1718 | if (!aff1->v) | |||
1719 | goto error; | |||
1720 | ||||
1721 | isl_int_init(gcd)isl_sioimath_init((gcd)); | |||
1722 | isl_int_init(f)isl_sioimath_init((f)); | |||
1723 | isl_int_gcd(gcd, aff1->v->el[0], aff2->v->el[0])isl_sioimath_gcd((gcd), *(aff1->v->el[0]), *(aff2->v ->el[0])); | |||
1724 | isl_int_divexact(f, aff2->v->el[0], gcd)isl_sioimath_tdiv_q((f), *(aff2->v->el[0]), *(gcd)); | |||
1725 | isl_seq_scale(aff1->v->el + 1, aff1->v->el + 1, f, aff1->v->size - 1); | |||
1726 | isl_int_divexact(f, aff1->v->el[0], gcd)isl_sioimath_tdiv_q((f), *(aff1->v->el[0]), *(gcd)); | |||
1727 | isl_seq_addmul(aff1->v->el + 1, f, aff2->v->el + 1, aff1->v->size - 1); | |||
1728 | isl_int_divexact(f, aff2->v->el[0], gcd)isl_sioimath_tdiv_q((f), *(aff2->v->el[0]), *(gcd)); | |||
1729 | isl_int_mul(aff1->v->el[0], aff1->v->el[0], f)isl_sioimath_mul((aff1->v->el[0]), *(aff1->v->el[ 0]), *(f)); | |||
1730 | isl_int_clear(f)isl_sioimath_clear((f)); | |||
1731 | isl_int_clear(gcd)isl_sioimath_clear((gcd)); | |||
1732 | ||||
1733 | isl_aff_free(aff2); | |||
1734 | return aff1; | |||
1735 | error: | |||
1736 | isl_aff_free(aff1); | |||
1737 | isl_aff_free(aff2); | |||
1738 | return NULL((void*)0); | |||
1739 | } | |||
1740 | ||||
1741 | /* Return the sum of "aff1" and "aff2". | |||
1742 | * | |||
1743 | * If either of the two is NaN, then the result is NaN. | |||
1744 | */ | |||
1745 | __isl_give isl_aff *isl_aff_add(__isl_take isl_aff *aff1, | |||
1746 | __isl_take isl_aff *aff2) | |||
1747 | { | |||
1748 | isl_ctx *ctx; | |||
1749 | int *exp1 = NULL((void*)0); | |||
1750 | int *exp2 = NULL((void*)0); | |||
1751 | isl_mat *div; | |||
1752 | int n_div1, n_div2; | |||
1753 | ||||
1754 | if (!aff1 || !aff2) | |||
1755 | goto error; | |||
1756 | ||||
1757 | ctx = isl_aff_get_ctx(aff1); | |||
1758 | if (!isl_space_is_equal(aff1->ls->dim, aff2->ls->dim)) | |||
1759 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "spaces don't match" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1760); goto error; } while (0) | |||
1760 | "spaces don't match", goto error)do { isl_handle_error(ctx, isl_error_invalid, "spaces don't match" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1760); goto error; } while (0); | |||
1761 | ||||
1762 | if (isl_aff_is_nan(aff1)) { | |||
1763 | isl_aff_free(aff2); | |||
1764 | return aff1; | |||
1765 | } | |||
1766 | if (isl_aff_is_nan(aff2)) { | |||
1767 | isl_aff_free(aff1); | |||
1768 | return aff2; | |||
1769 | } | |||
1770 | ||||
1771 | n_div1 = isl_aff_dim(aff1, isl_dim_div); | |||
1772 | n_div2 = isl_aff_dim(aff2, isl_dim_div); | |||
1773 | if (n_div1 == 0 && n_div2 == 0) | |||
1774 | return add_expanded(aff1, aff2); | |||
1775 | ||||
1776 | exp1 = isl_alloc_array(ctx, int, n_div1)((int *)isl_malloc_or_die(ctx, (n_div1)*sizeof(int))); | |||
1777 | exp2 = isl_alloc_array(ctx, int, n_div2)((int *)isl_malloc_or_die(ctx, (n_div2)*sizeof(int))); | |||
1778 | if ((n_div1 && !exp1) || (n_div2 && !exp2)) | |||
1779 | goto error; | |||
1780 | ||||
1781 | div = isl_merge_divs(aff1->ls->div, aff2->ls->div, exp1, exp2); | |||
1782 | aff1 = isl_aff_expand_divs(aff1, isl_mat_copy(div), exp1); | |||
1783 | aff2 = isl_aff_expand_divs(aff2, div, exp2); | |||
1784 | free(exp1); | |||
1785 | free(exp2); | |||
1786 | ||||
1787 | return add_expanded(aff1, aff2); | |||
1788 | error: | |||
1789 | free(exp1); | |||
1790 | free(exp2); | |||
1791 | isl_aff_free(aff1); | |||
1792 | isl_aff_free(aff2); | |||
1793 | return NULL((void*)0); | |||
1794 | } | |||
1795 | ||||
1796 | __isl_give isl_aff *isl_aff_sub(__isl_take isl_aff *aff1, | |||
1797 | __isl_take isl_aff *aff2) | |||
1798 | { | |||
1799 | return isl_aff_add(aff1, isl_aff_neg(aff2)); | |||
1800 | } | |||
1801 | ||||
1802 | /* Return the result of scaling "aff" by a factor of "f". | |||
1803 | * | |||
1804 | * As a special case, f * NaN = NaN. | |||
1805 | */ | |||
1806 | __isl_give isl_aff *isl_aff_scale(__isl_take isl_aff *aff, isl_int f) | |||
1807 | { | |||
1808 | isl_int gcd; | |||
1809 | ||||
1810 | if (!aff) | |||
1811 | return NULL((void*)0); | |||
1812 | if (isl_aff_is_nan(aff)) | |||
1813 | return aff; | |||
1814 | ||||
1815 | if (isl_int_is_one(f)(isl_sioimath_cmp_si(*(f), 1) == 0)) | |||
1816 | return aff; | |||
1817 | ||||
1818 | aff = isl_aff_cow(aff); | |||
1819 | if (!aff) | |||
1820 | return NULL((void*)0); | |||
1821 | aff->v = isl_vec_cow(aff->v); | |||
1822 | if (!aff->v) | |||
1823 | return isl_aff_free(aff); | |||
1824 | ||||
1825 | if (isl_int_is_pos(f)(isl_sioimath_sgn(*(f)) > 0) && isl_int_is_divisible_by(aff->v->el[0], f)isl_sioimath_is_divisible_by(*(aff->v->el[0]), *(f))) { | |||
1826 | isl_int_divexact(aff->v->el[0], aff->v->el[0], f)isl_sioimath_tdiv_q((aff->v->el[0]), *(aff->v->el [0]), *(f)); | |||
1827 | return aff; | |||
1828 | } | |||
1829 | ||||
1830 | isl_int_init(gcd)isl_sioimath_init((gcd)); | |||
1831 | isl_int_gcd(gcd, aff->v->el[0], f)isl_sioimath_gcd((gcd), *(aff->v->el[0]), *(f)); | |||
1832 | isl_int_divexact(aff->v->el[0], aff->v->el[0], gcd)isl_sioimath_tdiv_q((aff->v->el[0]), *(aff->v->el [0]), *(gcd)); | |||
1833 | isl_int_divexact(gcd, f, gcd)isl_sioimath_tdiv_q((gcd), *(f), *(gcd)); | |||
1834 | isl_seq_scale(aff->v->el + 1, aff->v->el + 1, gcd, aff->v->size - 1); | |||
1835 | isl_int_clear(gcd)isl_sioimath_clear((gcd)); | |||
1836 | ||||
1837 | return aff; | |||
1838 | } | |||
1839 | ||||
1840 | /* Multiple "aff" by "v". | |||
1841 | */ | |||
1842 | __isl_give isl_aff *isl_aff_scale_val(__isl_take isl_aff *aff, | |||
1843 | __isl_take isl_val *v) | |||
1844 | { | |||
1845 | if (!aff || !v) | |||
1846 | goto error; | |||
1847 | ||||
1848 | if (isl_val_is_one(v)) { | |||
1849 | isl_val_free(v); | |||
1850 | return aff; | |||
1851 | } | |||
1852 | ||||
1853 | if (!isl_val_is_rat(v)) | |||
1854 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational factor", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1855); goto error; } while (0) | |||
1855 | "expecting rational factor", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational factor", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1855); goto error; } while (0); | |||
1856 | ||||
1857 | aff = isl_aff_scale(aff, v->n); | |||
1858 | aff = isl_aff_scale_down(aff, v->d); | |||
1859 | ||||
1860 | isl_val_free(v); | |||
1861 | return aff; | |||
1862 | error: | |||
1863 | isl_aff_free(aff); | |||
1864 | isl_val_free(v); | |||
1865 | return NULL((void*)0); | |||
1866 | } | |||
1867 | ||||
1868 | /* Return the result of scaling "aff" down by a factor of "f". | |||
1869 | * | |||
1870 | * As a special case, NaN/f = NaN. | |||
1871 | */ | |||
1872 | __isl_give isl_aff *isl_aff_scale_down(__isl_take isl_aff *aff, isl_int f) | |||
1873 | { | |||
1874 | isl_int gcd; | |||
1875 | ||||
1876 | if (!aff) | |||
1877 | return NULL((void*)0); | |||
1878 | if (isl_aff_is_nan(aff)) | |||
1879 | return aff; | |||
1880 | ||||
1881 | if (isl_int_is_one(f)(isl_sioimath_cmp_si(*(f), 1) == 0)) | |||
1882 | return aff; | |||
1883 | ||||
1884 | aff = isl_aff_cow(aff); | |||
1885 | if (!aff) | |||
1886 | return NULL((void*)0); | |||
1887 | ||||
1888 | if (isl_int_is_zero(f)(isl_sioimath_sgn(*(f)) == 0)) | |||
1889 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot scale down by zero", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1890); return isl_aff_free(aff); } while (0) | |||
1890 | "cannot scale down by zero", return isl_aff_free(aff))do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot scale down by zero", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1890); return isl_aff_free(aff); } while (0); | |||
1891 | ||||
1892 | aff->v = isl_vec_cow(aff->v); | |||
1893 | if (!aff->v) | |||
1894 | return isl_aff_free(aff); | |||
1895 | ||||
1896 | isl_int_init(gcd)isl_sioimath_init((gcd)); | |||
1897 | isl_seq_gcd(aff->v->el + 1, aff->v->size - 1, &gcd); | |||
1898 | isl_int_gcd(gcd, gcd, f)isl_sioimath_gcd((gcd), *(gcd), *(f)); | |||
1899 | isl_seq_scale_down(aff->v->el + 1, aff->v->el + 1, gcd, aff->v->size - 1); | |||
1900 | isl_int_divexact(gcd, f, gcd)isl_sioimath_tdiv_q((gcd), *(f), *(gcd)); | |||
1901 | isl_int_mul(aff->v->el[0], aff->v->el[0], gcd)isl_sioimath_mul((aff->v->el[0]), *(aff->v->el[0] ), *(gcd)); | |||
1902 | isl_int_clear(gcd)isl_sioimath_clear((gcd)); | |||
1903 | ||||
1904 | return aff; | |||
1905 | } | |||
1906 | ||||
1907 | /* Divide "aff" by "v". | |||
1908 | */ | |||
1909 | __isl_give isl_aff *isl_aff_scale_down_val(__isl_take isl_aff *aff, | |||
1910 | __isl_take isl_val *v) | |||
1911 | { | |||
1912 | if (!aff || !v) | |||
1913 | goto error; | |||
1914 | ||||
1915 | if (isl_val_is_one(v)) { | |||
1916 | isl_val_free(v); | |||
1917 | return aff; | |||
1918 | } | |||
1919 | ||||
1920 | if (!isl_val_is_rat(v)) | |||
1921 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational factor", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1922); goto error; } while (0) | |||
1922 | "expecting rational factor", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "expecting rational factor", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1922); goto error; } while (0); | |||
1923 | if (!isl_val_is_pos(v)) | |||
1924 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "factor needs to be positive", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1925); goto error; } while (0) | |||
1925 | "factor needs to be positive", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "factor needs to be positive", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1925); goto error; } while (0); | |||
1926 | ||||
1927 | aff = isl_aff_scale(aff, v->d); | |||
1928 | aff = isl_aff_scale_down(aff, v->n); | |||
1929 | ||||
1930 | isl_val_free(v); | |||
1931 | return aff; | |||
1932 | error: | |||
1933 | isl_aff_free(aff); | |||
1934 | isl_val_free(v); | |||
1935 | return NULL((void*)0); | |||
1936 | } | |||
1937 | ||||
1938 | __isl_give isl_aff *isl_aff_scale_down_ui(__isl_take isl_aff *aff, unsigned f) | |||
1939 | { | |||
1940 | isl_int v; | |||
1941 | ||||
1942 | if (f == 1) | |||
1943 | return aff; | |||
1944 | ||||
1945 | isl_int_init(v)isl_sioimath_init((v)); | |||
1946 | isl_int_set_ui(v, f)isl_sioimath_set_ui((v), f); | |||
1947 | aff = isl_aff_scale_down(aff, v); | |||
1948 | isl_int_clear(v)isl_sioimath_clear((v)); | |||
1949 | ||||
1950 | return aff; | |||
1951 | } | |||
1952 | ||||
1953 | __isl_give isl_aff *isl_aff_set_dim_name(__isl_take isl_aff *aff, | |||
1954 | enum isl_dim_type type, unsigned pos, const char *s) | |||
1955 | { | |||
1956 | aff = isl_aff_cow(aff); | |||
1957 | if (!aff) | |||
1958 | return NULL((void*)0); | |||
1959 | if (type == isl_dim_out) | |||
1960 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot set name of output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1962); return isl_aff_free(aff); } while (0) | |||
1961 | "cannot set name of output/set dimension",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot set name of output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1962); return isl_aff_free(aff); } while (0) | |||
1962 | return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot set name of output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1962); return isl_aff_free(aff); } while (0); | |||
1963 | if (type == isl_dim_in) | |||
1964 | type = isl_dim_set; | |||
1965 | aff->ls = isl_local_space_set_dim_name(aff->ls, type, pos, s); | |||
1966 | if (!aff->ls) | |||
1967 | return isl_aff_free(aff); | |||
1968 | ||||
1969 | return aff; | |||
1970 | } | |||
1971 | ||||
1972 | __isl_give isl_aff *isl_aff_set_dim_id(__isl_take isl_aff *aff, | |||
1973 | enum isl_dim_type type, unsigned pos, __isl_take isl_id *id) | |||
1974 | { | |||
1975 | aff = isl_aff_cow(aff); | |||
1976 | if (!aff) | |||
1977 | goto error; | |||
1978 | if (type == isl_dim_out) | |||
1979 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot set name of output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1981); goto error; } while (0) | |||
1980 | "cannot set name of output/set dimension",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot set name of output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1981); goto error; } while (0) | |||
1981 | goto error)do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot set name of output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 1981); goto error; } while (0); | |||
1982 | if (type == isl_dim_in) | |||
1983 | type = isl_dim_set; | |||
1984 | aff->ls = isl_local_space_set_dim_id(aff->ls, type, pos, id); | |||
1985 | if (!aff->ls) | |||
1986 | return isl_aff_free(aff); | |||
1987 | ||||
1988 | return aff; | |||
1989 | error: | |||
1990 | isl_id_free(id); | |||
1991 | isl_aff_free(aff); | |||
1992 | return NULL((void*)0); | |||
1993 | } | |||
1994 | ||||
1995 | /* Replace the identifier of the input tuple of "aff" by "id". | |||
1996 | * type is currently required to be equal to isl_dim_in | |||
1997 | */ | |||
1998 | __isl_give isl_aff *isl_aff_set_tuple_id(__isl_take isl_aff *aff, | |||
1999 | enum isl_dim_type type, __isl_take isl_id *id) | |||
2000 | { | |||
2001 | aff = isl_aff_cow(aff); | |||
2002 | if (!aff) | |||
2003 | goto error; | |||
2004 | if (type != isl_dim_in) | |||
2005 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot only set id of input tuple" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2006); goto error; } while (0) | |||
2006 | "cannot only set id of input tuple", goto error)do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot only set id of input tuple" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2006); goto error; } while (0); | |||
2007 | aff->ls = isl_local_space_set_tuple_id(aff->ls, isl_dim_set, id); | |||
2008 | if (!aff->ls) | |||
2009 | return isl_aff_free(aff); | |||
2010 | ||||
2011 | return aff; | |||
2012 | error: | |||
2013 | isl_id_free(id); | |||
2014 | isl_aff_free(aff); | |||
2015 | return NULL((void*)0); | |||
2016 | } | |||
2017 | ||||
2018 | /* Exploit the equalities in "eq" to simplify the affine expression | |||
2019 | * and the expressions of the integer divisions in the local space. | |||
2020 | * The integer divisions in this local space are assumed to appear | |||
2021 | * as regular dimensions in "eq". | |||
2022 | */ | |||
2023 | static __isl_give isl_aff *isl_aff_substitute_equalities_lifted( | |||
2024 | __isl_take isl_aff *aff, __isl_take isl_basic_setisl_basic_map *eq) | |||
2025 | { | |||
2026 | int i, j; | |||
2027 | unsigned total; | |||
2028 | unsigned n_div; | |||
2029 | ||||
2030 | if (!eq) | |||
2031 | goto error; | |||
2032 | if (eq->n_eq == 0) { | |||
2033 | isl_basic_set_free(eq); | |||
2034 | return aff; | |||
2035 | } | |||
2036 | ||||
2037 | aff = isl_aff_cow(aff); | |||
2038 | if (!aff) | |||
2039 | goto error; | |||
2040 | ||||
2041 | aff->ls = isl_local_space_substitute_equalities(aff->ls, | |||
2042 | isl_basic_set_copy(eq)); | |||
2043 | aff->v = isl_vec_cow(aff->v); | |||
2044 | if (!aff->ls || !aff->v) | |||
2045 | goto error; | |||
2046 | ||||
2047 | total = 1 + isl_space_dim(eq->dim, isl_dim_all); | |||
2048 | n_div = eq->n_div; | |||
2049 | for (i = 0; i < eq->n_eq; ++i) { | |||
2050 | j = isl_seq_last_non_zero(eq->eq[i], total + n_div); | |||
2051 | if (j < 0 || j == 0 || j >= total) | |||
2052 | continue; | |||
2053 | ||||
2054 | isl_seq_elim(aff->v->el + 1, eq->eq[i], j, total, | |||
2055 | &aff->v->el[0]); | |||
2056 | } | |||
2057 | ||||
2058 | isl_basic_set_free(eq); | |||
2059 | aff = isl_aff_normalize(aff); | |||
2060 | return aff; | |||
2061 | error: | |||
2062 | isl_basic_set_free(eq); | |||
2063 | isl_aff_free(aff); | |||
2064 | return NULL((void*)0); | |||
2065 | } | |||
2066 | ||||
2067 | /* Exploit the equalities in "eq" to simplify the affine expression | |||
2068 | * and the expressions of the integer divisions in the local space. | |||
2069 | */ | |||
2070 | __isl_give isl_aff *isl_aff_substitute_equalities(__isl_take isl_aff *aff, | |||
2071 | __isl_take isl_basic_setisl_basic_map *eq) | |||
2072 | { | |||
2073 | int n_div; | |||
2074 | ||||
2075 | if (!aff || !eq) | |||
2076 | goto error; | |||
2077 | n_div = isl_local_space_dim(aff->ls, isl_dim_div); | |||
2078 | if (n_div > 0) | |||
2079 | eq = isl_basic_set_add_dims(eq, isl_dim_set, n_div); | |||
2080 | return isl_aff_substitute_equalities_lifted(aff, eq); | |||
2081 | error: | |||
2082 | isl_basic_set_free(eq); | |||
2083 | isl_aff_free(aff); | |||
2084 | return NULL((void*)0); | |||
2085 | } | |||
2086 | ||||
2087 | /* Look for equalities among the variables shared by context and aff | |||
2088 | * and the integer divisions of aff, if any. | |||
2089 | * The equalities are then used to eliminate coefficients and/or integer | |||
2090 | * divisions from aff. | |||
2091 | */ | |||
2092 | __isl_give isl_aff *isl_aff_gist(__isl_take isl_aff *aff, | |||
2093 | __isl_take isl_setisl_map *context) | |||
2094 | { | |||
2095 | isl_basic_setisl_basic_map *hull; | |||
2096 | int n_div; | |||
2097 | ||||
2098 | if (!aff) | |||
2099 | goto error; | |||
2100 | n_div = isl_local_space_dim(aff->ls, isl_dim_div); | |||
2101 | if (n_div > 0) { | |||
2102 | isl_basic_setisl_basic_map *bset; | |||
2103 | isl_local_space *ls; | |||
2104 | context = isl_set_add_dims(context, isl_dim_set, n_div); | |||
2105 | ls = isl_aff_get_domain_local_space(aff); | |||
2106 | bset = isl_basic_set_from_local_space(ls); | |||
2107 | bset = isl_basic_set_lift(bset); | |||
2108 | bset = isl_basic_set_flatten(bset); | |||
2109 | context = isl_set_intersect(context, | |||
2110 | isl_set_from_basic_set(bset)); | |||
2111 | } | |||
2112 | ||||
2113 | hull = isl_set_affine_hull(context); | |||
2114 | return isl_aff_substitute_equalities_lifted(aff, hull); | |||
2115 | error: | |||
2116 | isl_aff_free(aff); | |||
2117 | isl_set_free(context); | |||
2118 | return NULL((void*)0); | |||
2119 | } | |||
2120 | ||||
2121 | __isl_give isl_aff *isl_aff_gist_params(__isl_take isl_aff *aff, | |||
2122 | __isl_take isl_setisl_map *context) | |||
2123 | { | |||
2124 | isl_setisl_map *dom_context = isl_set_universe(isl_aff_get_domain_space(aff)); | |||
2125 | dom_context = isl_set_intersect_params(dom_context, context); | |||
2126 | return isl_aff_gist(aff, dom_context); | |||
2127 | } | |||
2128 | ||||
2129 | /* Return a basic set containing those elements in the space | |||
2130 | * of aff where it is positive. "rational" should not be set. | |||
2131 | * | |||
2132 | * If "aff" is NaN, then it is not positive. | |||
2133 | */ | |||
2134 | static __isl_give isl_basic_setisl_basic_map *aff_pos_basic_set(__isl_take isl_aff *aff, | |||
2135 | int rational) | |||
2136 | { | |||
2137 | isl_constraint *ineq; | |||
2138 | isl_basic_setisl_basic_map *bset; | |||
2139 | isl_val *c; | |||
2140 | ||||
2141 | if (!aff) | |||
2142 | return NULL((void*)0); | |||
2143 | if (isl_aff_is_nan(aff)) { | |||
2144 | isl_space *space = isl_aff_get_domain_space(aff); | |||
2145 | isl_aff_free(aff); | |||
2146 | return isl_basic_set_empty(space); | |||
2147 | } | |||
2148 | if (rational) | |||
2149 | isl_die(isl_aff_get_ctx(aff), isl_error_unsupported,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_unsupported , "rational sets not supported", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2150); goto error; } while (0) | |||
2150 | "rational sets not supported", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_unsupported , "rational sets not supported", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2150); goto error; } while (0); | |||
2151 | ||||
2152 | ineq = isl_inequality_from_aff(aff); | |||
2153 | c = isl_constraint_get_constant_val(ineq); | |||
2154 | c = isl_val_sub_ui(c, 1); | |||
2155 | ineq = isl_constraint_set_constant_val(ineq, c); | |||
2156 | ||||
2157 | bset = isl_basic_set_from_constraint(ineq); | |||
2158 | bset = isl_basic_set_simplify(bset); | |||
2159 | return bset; | |||
2160 | error: | |||
2161 | isl_aff_free(aff); | |||
2162 | return NULL((void*)0); | |||
2163 | } | |||
2164 | ||||
2165 | /* Return a basic set containing those elements in the space | |||
2166 | * of aff where it is non-negative. | |||
2167 | * If "rational" is set, then return a rational basic set. | |||
2168 | * | |||
2169 | * If "aff" is NaN, then it is not non-negative (it's not negative either). | |||
2170 | */ | |||
2171 | static __isl_give isl_basic_setisl_basic_map *aff_nonneg_basic_set( | |||
2172 | __isl_take isl_aff *aff, int rational) | |||
2173 | { | |||
2174 | isl_constraint *ineq; | |||
2175 | isl_basic_setisl_basic_map *bset; | |||
2176 | ||||
2177 | if (!aff) | |||
2178 | return NULL((void*)0); | |||
2179 | if (isl_aff_is_nan(aff)) { | |||
2180 | isl_space *space = isl_aff_get_domain_space(aff); | |||
2181 | isl_aff_free(aff); | |||
2182 | return isl_basic_set_empty(space); | |||
2183 | } | |||
2184 | ||||
2185 | ineq = isl_inequality_from_aff(aff); | |||
2186 | ||||
2187 | bset = isl_basic_set_from_constraint(ineq); | |||
2188 | if (rational) | |||
2189 | bset = isl_basic_set_set_rational(bset); | |||
2190 | bset = isl_basic_set_simplify(bset); | |||
2191 | return bset; | |||
2192 | } | |||
2193 | ||||
2194 | /* Return a basic set containing those elements in the space | |||
2195 | * of aff where it is non-negative. | |||
2196 | */ | |||
2197 | __isl_give isl_basic_setisl_basic_map *isl_aff_nonneg_basic_set(__isl_take isl_aff *aff) | |||
2198 | { | |||
2199 | return aff_nonneg_basic_set(aff, 0); | |||
2200 | } | |||
2201 | ||||
2202 | /* Return a basic set containing those elements in the domain space | |||
2203 | * of "aff" where it is positive. | |||
2204 | */ | |||
2205 | __isl_give isl_basic_setisl_basic_map *isl_aff_pos_basic_set(__isl_take isl_aff *aff) | |||
2206 | { | |||
2207 | aff = isl_aff_add_constant_num_si(aff, -1); | |||
2208 | return isl_aff_nonneg_basic_set(aff); | |||
2209 | } | |||
2210 | ||||
2211 | /* Return a basic set containing those elements in the domain space | |||
2212 | * of aff where it is negative. | |||
2213 | */ | |||
2214 | __isl_give isl_basic_setisl_basic_map *isl_aff_neg_basic_set(__isl_take isl_aff *aff) | |||
2215 | { | |||
2216 | aff = isl_aff_neg(aff); | |||
2217 | return isl_aff_pos_basic_set(aff); | |||
2218 | } | |||
2219 | ||||
2220 | /* Return a basic set containing those elements in the space | |||
2221 | * of aff where it is zero. | |||
2222 | * If "rational" is set, then return a rational basic set. | |||
2223 | * | |||
2224 | * If "aff" is NaN, then it is not zero. | |||
2225 | */ | |||
2226 | static __isl_give isl_basic_setisl_basic_map *aff_zero_basic_set(__isl_take isl_aff *aff, | |||
2227 | int rational) | |||
2228 | { | |||
2229 | isl_constraint *ineq; | |||
2230 | isl_basic_setisl_basic_map *bset; | |||
2231 | ||||
2232 | if (!aff) | |||
2233 | return NULL((void*)0); | |||
2234 | if (isl_aff_is_nan(aff)) { | |||
2235 | isl_space *space = isl_aff_get_domain_space(aff); | |||
2236 | isl_aff_free(aff); | |||
2237 | return isl_basic_set_empty(space); | |||
2238 | } | |||
2239 | ||||
2240 | ineq = isl_equality_from_aff(aff); | |||
2241 | ||||
2242 | bset = isl_basic_set_from_constraint(ineq); | |||
2243 | if (rational) | |||
2244 | bset = isl_basic_set_set_rational(bset); | |||
2245 | bset = isl_basic_set_simplify(bset); | |||
2246 | return bset; | |||
2247 | } | |||
2248 | ||||
2249 | /* Return a basic set containing those elements in the space | |||
2250 | * of aff where it is zero. | |||
2251 | */ | |||
2252 | __isl_give isl_basic_setisl_basic_map *isl_aff_zero_basic_set(__isl_take isl_aff *aff) | |||
2253 | { | |||
2254 | return aff_zero_basic_set(aff, 0); | |||
2255 | } | |||
2256 | ||||
2257 | /* Return a basic set containing those elements in the shared space | |||
2258 | * of aff1 and aff2 where aff1 is greater than or equal to aff2. | |||
2259 | */ | |||
2260 | __isl_give isl_basic_setisl_basic_map *isl_aff_ge_basic_set(__isl_take isl_aff *aff1, | |||
2261 | __isl_take isl_aff *aff2) | |||
2262 | { | |||
2263 | aff1 = isl_aff_sub(aff1, aff2); | |||
2264 | ||||
2265 | return isl_aff_nonneg_basic_set(aff1); | |||
2266 | } | |||
2267 | ||||
2268 | /* Return a basic set containing those elements in the shared domain space | |||
2269 | * of "aff1" and "aff2" where "aff1" is greater than "aff2". | |||
2270 | */ | |||
2271 | __isl_give isl_basic_setisl_basic_map *isl_aff_gt_basic_set(__isl_take isl_aff *aff1, | |||
2272 | __isl_take isl_aff *aff2) | |||
2273 | { | |||
2274 | aff1 = isl_aff_sub(aff1, aff2); | |||
2275 | ||||
2276 | return isl_aff_pos_basic_set(aff1); | |||
2277 | } | |||
2278 | ||||
2279 | /* Return a set containing those elements in the shared space | |||
2280 | * of aff1 and aff2 where aff1 is greater than or equal to aff2. | |||
2281 | */ | |||
2282 | __isl_give isl_setisl_map *isl_aff_ge_set(__isl_take isl_aff *aff1, | |||
2283 | __isl_take isl_aff *aff2) | |||
2284 | { | |||
2285 | return isl_set_from_basic_set(isl_aff_ge_basic_set(aff1, aff2)); | |||
2286 | } | |||
2287 | ||||
2288 | /* Return a set containing those elements in the shared domain space | |||
2289 | * of aff1 and aff2 where aff1 is greater than aff2. | |||
2290 | * | |||
2291 | * If either of the two inputs is NaN, then the result is empty, | |||
2292 | * as comparisons with NaN always return false. | |||
2293 | */ | |||
2294 | __isl_give isl_setisl_map *isl_aff_gt_set(__isl_take isl_aff *aff1, | |||
2295 | __isl_take isl_aff *aff2) | |||
2296 | { | |||
2297 | return isl_set_from_basic_set(isl_aff_gt_basic_set(aff1, aff2)); | |||
2298 | } | |||
2299 | ||||
2300 | /* Return a basic set containing those elements in the shared space | |||
2301 | * of aff1 and aff2 where aff1 is smaller than or equal to aff2. | |||
2302 | */ | |||
2303 | __isl_give isl_basic_setisl_basic_map *isl_aff_le_basic_set(__isl_take isl_aff *aff1, | |||
2304 | __isl_take isl_aff *aff2) | |||
2305 | { | |||
2306 | return isl_aff_ge_basic_set(aff2, aff1); | |||
2307 | } | |||
2308 | ||||
2309 | /* Return a basic set containing those elements in the shared domain space | |||
2310 | * of "aff1" and "aff2" where "aff1" is smaller than "aff2". | |||
2311 | */ | |||
2312 | __isl_give isl_basic_setisl_basic_map *isl_aff_lt_basic_set(__isl_take isl_aff *aff1, | |||
2313 | __isl_take isl_aff *aff2) | |||
2314 | { | |||
2315 | return isl_aff_gt_basic_set(aff2, aff1); | |||
2316 | } | |||
2317 | ||||
2318 | /* Return a set containing those elements in the shared space | |||
2319 | * of aff1 and aff2 where aff1 is smaller than or equal to aff2. | |||
2320 | */ | |||
2321 | __isl_give isl_setisl_map *isl_aff_le_set(__isl_take isl_aff *aff1, | |||
2322 | __isl_take isl_aff *aff2) | |||
2323 | { | |||
2324 | return isl_aff_ge_set(aff2, aff1); | |||
2325 | } | |||
2326 | ||||
2327 | /* Return a set containing those elements in the shared domain space | |||
2328 | * of "aff1" and "aff2" where "aff1" is smaller than "aff2". | |||
2329 | */ | |||
2330 | __isl_give isl_setisl_map *isl_aff_lt_set(__isl_take isl_aff *aff1, | |||
2331 | __isl_take isl_aff *aff2) | |||
2332 | { | |||
2333 | return isl_set_from_basic_set(isl_aff_lt_basic_set(aff1, aff2)); | |||
2334 | } | |||
2335 | ||||
2336 | /* Return a basic set containing those elements in the shared space | |||
2337 | * of aff1 and aff2 where aff1 and aff2 are equal. | |||
2338 | */ | |||
2339 | __isl_give isl_basic_setisl_basic_map *isl_aff_eq_basic_set(__isl_take isl_aff *aff1, | |||
2340 | __isl_take isl_aff *aff2) | |||
2341 | { | |||
2342 | aff1 = isl_aff_sub(aff1, aff2); | |||
2343 | ||||
2344 | return isl_aff_zero_basic_set(aff1); | |||
2345 | } | |||
2346 | ||||
2347 | /* Return a set containing those elements in the shared space | |||
2348 | * of aff1 and aff2 where aff1 and aff2 are equal. | |||
2349 | */ | |||
2350 | __isl_give isl_setisl_map *isl_aff_eq_set(__isl_take isl_aff *aff1, | |||
2351 | __isl_take isl_aff *aff2) | |||
2352 | { | |||
2353 | return isl_set_from_basic_set(isl_aff_eq_basic_set(aff1, aff2)); | |||
2354 | } | |||
2355 | ||||
2356 | /* Return a set containing those elements in the shared domain space | |||
2357 | * of aff1 and aff2 where aff1 and aff2 are not equal. | |||
2358 | * | |||
2359 | * If either of the two inputs is NaN, then the result is empty, | |||
2360 | * as comparisons with NaN always return false. | |||
2361 | */ | |||
2362 | __isl_give isl_setisl_map *isl_aff_ne_set(__isl_take isl_aff *aff1, | |||
2363 | __isl_take isl_aff *aff2) | |||
2364 | { | |||
2365 | isl_setisl_map *set_lt, *set_gt; | |||
2366 | ||||
2367 | set_lt = isl_aff_lt_set(isl_aff_copy(aff1), | |||
| ||||
2368 | isl_aff_copy(aff2)); | |||
2369 | set_gt = isl_aff_gt_set(aff1, aff2); | |||
| ||||
2370 | return isl_set_union_disjoint(set_lt, set_gt); | |||
2371 | } | |||
2372 | ||||
2373 | __isl_give isl_aff *isl_aff_add_on_domain(__isl_keep isl_setisl_map *dom, | |||
2374 | __isl_take isl_aff *aff1, __isl_take isl_aff *aff2) | |||
2375 | { | |||
2376 | aff1 = isl_aff_add(aff1, aff2); | |||
2377 | aff1 = isl_aff_gist(aff1, isl_set_copy(dom)); | |||
2378 | return aff1; | |||
2379 | } | |||
2380 | ||||
2381 | int isl_aff_is_empty(__isl_keep isl_aff *aff) | |||
2382 | { | |||
2383 | if (!aff) | |||
2384 | return -1; | |||
2385 | ||||
2386 | return 0; | |||
2387 | } | |||
2388 | ||||
2389 | /* Check whether the given affine expression has non-zero coefficient | |||
2390 | * for any dimension in the given range or if any of these dimensions | |||
2391 | * appear with non-zero coefficients in any of the integer divisions | |||
2392 | * involved in the affine expression. | |||
2393 | */ | |||
2394 | isl_bool isl_aff_involves_dims(__isl_keep isl_aff *aff, | |||
2395 | enum isl_dim_type type, unsigned first, unsigned n) | |||
2396 | { | |||
2397 | int i; | |||
2398 | isl_ctx *ctx; | |||
2399 | int *active = NULL((void*)0); | |||
2400 | isl_bool involves = isl_bool_false; | |||
2401 | ||||
2402 | if (!aff) | |||
2403 | return isl_bool_error; | |||
2404 | if (n == 0) | |||
2405 | return isl_bool_false; | |||
2406 | ||||
2407 | ctx = isl_aff_get_ctx(aff); | |||
2408 | if (first + n > isl_aff_dim(aff, type)) | |||
2409 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "range out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2410); return isl_bool_error; } while (0) | |||
2410 | "range out of bounds", return isl_bool_error)do { isl_handle_error(ctx, isl_error_invalid, "range out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2410); return isl_bool_error; } while (0); | |||
2411 | ||||
2412 | active = isl_local_space_get_active(aff->ls, aff->v->el + 2); | |||
2413 | if (!active) | |||
2414 | goto error; | |||
2415 | ||||
2416 | first += isl_local_space_offset(aff->ls, type) - 1; | |||
2417 | for (i = 0; i < n; ++i) | |||
2418 | if (active[first + i]) { | |||
2419 | involves = isl_bool_true; | |||
2420 | break; | |||
2421 | } | |||
2422 | ||||
2423 | free(active); | |||
2424 | ||||
2425 | return involves; | |||
2426 | error: | |||
2427 | free(active); | |||
2428 | return isl_bool_error; | |||
2429 | } | |||
2430 | ||||
2431 | __isl_give isl_aff *isl_aff_drop_dims(__isl_take isl_aff *aff, | |||
2432 | enum isl_dim_type type, unsigned first, unsigned n) | |||
2433 | { | |||
2434 | isl_ctx *ctx; | |||
2435 | ||||
2436 | if (!aff) | |||
2437 | return NULL((void*)0); | |||
2438 | if (type == isl_dim_out) | |||
2439 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot drop output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2441); return isl_aff_free(aff); } while (0) | |||
2440 | "cannot drop output/set dimension",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot drop output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2441); return isl_aff_free(aff); } while (0) | |||
2441 | return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot drop output/set dimension" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2441); return isl_aff_free(aff); } while (0); | |||
2442 | if (type == isl_dim_in) | |||
2443 | type = isl_dim_set; | |||
2444 | if (n == 0 && !isl_local_space_is_named_or_nested(aff->ls, type)) | |||
2445 | return aff; | |||
2446 | ||||
2447 | ctx = isl_aff_get_ctx(aff); | |||
2448 | if (first + n > isl_local_space_dim(aff->ls, type)) | |||
2449 | isl_die(ctx, isl_error_invalid, "range out of bounds",do { isl_handle_error(ctx, isl_error_invalid, "range out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2450); return isl_aff_free(aff); } while (0) | |||
2450 | return isl_aff_free(aff))do { isl_handle_error(ctx, isl_error_invalid, "range out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2450); return isl_aff_free(aff); } while (0); | |||
2451 | ||||
2452 | aff = isl_aff_cow(aff); | |||
2453 | if (!aff) | |||
2454 | return NULL((void*)0); | |||
2455 | ||||
2456 | aff->ls = isl_local_space_drop_dims(aff->ls, type, first, n); | |||
2457 | if (!aff->ls) | |||
2458 | return isl_aff_free(aff); | |||
2459 | ||||
2460 | first += 1 + isl_local_space_offset(aff->ls, type); | |||
2461 | aff->v = isl_vec_drop_els(aff->v, first, n); | |||
2462 | if (!aff->v) | |||
2463 | return isl_aff_free(aff); | |||
2464 | ||||
2465 | return aff; | |||
2466 | } | |||
2467 | ||||
2468 | /* Drop the "n" domain dimensions starting at "first" from "aff", | |||
2469 | * after checking that they do not appear in the affine expression. | |||
2470 | */ | |||
2471 | static __isl_give isl_aff *drop_domain(__isl_take isl_aff *aff, unsigned first, | |||
2472 | unsigned n) | |||
2473 | { | |||
2474 | isl_bool involves; | |||
2475 | ||||
2476 | involves = isl_aff_involves_dims(aff, isl_dim_in, first, n); | |||
2477 | if (involves < 0) | |||
2478 | return isl_aff_free(aff); | |||
2479 | if (involves) | |||
2480 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "affine expression involves some of the domain dimensions", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2482); return isl_aff_free(aff); } while (0) | |||
2481 | "affine expression involves some of the domain dimensions",do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "affine expression involves some of the domain dimensions", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2482); return isl_aff_free(aff); } while (0) | |||
2482 | return isl_aff_free(aff))do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "affine expression involves some of the domain dimensions", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2482); return isl_aff_free(aff); } while (0); | |||
2483 | return isl_aff_drop_dims(aff, isl_dim_in, first, n); | |||
2484 | } | |||
2485 | ||||
2486 | /* Project the domain of the affine expression onto its parameter space. | |||
2487 | * The affine expression may not involve any of the domain dimensions. | |||
2488 | */ | |||
2489 | __isl_give isl_aff *isl_aff_project_domain_on_params(__isl_take isl_aff *aff) | |||
2490 | { | |||
2491 | isl_space *space; | |||
2492 | unsigned n; | |||
2493 | ||||
2494 | n = isl_aff_dim(aff, isl_dim_in); | |||
2495 | aff = drop_domain(aff, 0, n); | |||
2496 | space = isl_aff_get_domain_space(aff); | |||
2497 | space = isl_space_params(space); | |||
2498 | aff = isl_aff_reset_domain_space(aff, space); | |||
2499 | return aff; | |||
2500 | } | |||
2501 | ||||
2502 | /* Check that the domain of "aff" is a product. | |||
2503 | */ | |||
2504 | static isl_stat check_domain_product(__isl_keep isl_aff *aff) | |||
2505 | { | |||
2506 | isl_bool is_product; | |||
2507 | ||||
2508 | is_product = isl_space_is_product(isl_aff_peek_domain_space(aff)); | |||
2509 | if (is_product < 0) | |||
2510 | return isl_stat_error; | |||
2511 | if (!is_product) | |||
2512 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "domain is not a product", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2513); return isl_stat_error; } while (0) | |||
2513 | "domain is not a product", return isl_stat_error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "domain is not a product", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2513); return isl_stat_error; } while (0); | |||
2514 | return isl_stat_ok; | |||
2515 | } | |||
2516 | ||||
2517 | /* Given an affine function with a domain of the form [A -> B] that | |||
2518 | * does not depend on B, return the same function on domain A. | |||
2519 | */ | |||
2520 | __isl_give isl_aff *isl_aff_domain_factor_domain(__isl_take isl_aff *aff) | |||
2521 | { | |||
2522 | isl_space *space; | |||
2523 | int n, n_in; | |||
2524 | ||||
2525 | if (check_domain_product(aff) < 0) | |||
2526 | return isl_aff_free(aff); | |||
2527 | space = isl_aff_get_domain_space(aff); | |||
2528 | n = isl_space_dim(space, isl_dim_set); | |||
2529 | space = isl_space_factor_domain(space); | |||
2530 | n_in = isl_space_dim(space, isl_dim_set); | |||
2531 | aff = drop_domain(aff, n_in, n - n_in); | |||
2532 | aff = isl_aff_reset_domain_space(aff, space); | |||
2533 | return aff; | |||
2534 | } | |||
2535 | ||||
2536 | /* Convert an affine expression defined over a parameter domain | |||
2537 | * into one that is defined over a zero-dimensional set. | |||
2538 | */ | |||
2539 | __isl_give isl_aff *isl_aff_from_range(__isl_take isl_aff *aff) | |||
2540 | { | |||
2541 | isl_local_space *ls; | |||
2542 | ||||
2543 | ls = isl_aff_take_domain_local_space(aff); | |||
2544 | ls = isl_local_space_set_from_params(ls); | |||
2545 | aff = isl_aff_restore_domain_local_space(aff, ls); | |||
2546 | ||||
2547 | return aff; | |||
2548 | } | |||
2549 | ||||
2550 | __isl_give isl_aff *isl_aff_insert_dims(__isl_take isl_aff *aff, | |||
2551 | enum isl_dim_type type, unsigned first, unsigned n) | |||
2552 | { | |||
2553 | isl_ctx *ctx; | |||
2554 | ||||
2555 | if (!aff) | |||
2556 | return NULL((void*)0); | |||
2557 | if (type == isl_dim_out) | |||
2558 | isl_die(aff->v->ctx, isl_error_invalid,do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot insert output/set dimensions" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2560); return isl_aff_free(aff); } while (0) | |||
2559 | "cannot insert output/set dimensions",do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot insert output/set dimensions" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2560); return isl_aff_free(aff); } while (0) | |||
2560 | return isl_aff_free(aff))do { isl_handle_error(aff->v->ctx, isl_error_invalid, "cannot insert output/set dimensions" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2560); return isl_aff_free(aff); } while (0); | |||
2561 | if (type == isl_dim_in) | |||
2562 | type = isl_dim_set; | |||
2563 | if (n == 0 && !isl_local_space_is_named_or_nested(aff->ls, type)) | |||
2564 | return aff; | |||
2565 | ||||
2566 | ctx = isl_aff_get_ctx(aff); | |||
2567 | if (first > isl_local_space_dim(aff->ls, type)) | |||
2568 | isl_die(ctx, isl_error_invalid, "position out of bounds",do { isl_handle_error(ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2569); return isl_aff_free(aff); } while (0) | |||
2569 | return isl_aff_free(aff))do { isl_handle_error(ctx, isl_error_invalid, "position out of bounds" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2569); return isl_aff_free(aff); } while (0); | |||
2570 | ||||
2571 | aff = isl_aff_cow(aff); | |||
2572 | if (!aff) | |||
2573 | return NULL((void*)0); | |||
2574 | ||||
2575 | aff->ls = isl_local_space_insert_dims(aff->ls, type, first, n); | |||
2576 | if (!aff->ls) | |||
2577 | return isl_aff_free(aff); | |||
2578 | ||||
2579 | first += 1 + isl_local_space_offset(aff->ls, type); | |||
2580 | aff->v = isl_vec_insert_zero_els(aff->v, first, n); | |||
2581 | if (!aff->v) | |||
2582 | return isl_aff_free(aff); | |||
2583 | ||||
2584 | return aff; | |||
2585 | } | |||
2586 | ||||
2587 | __isl_give isl_aff *isl_aff_add_dims(__isl_take isl_aff *aff, | |||
2588 | enum isl_dim_type type, unsigned n) | |||
2589 | { | |||
2590 | unsigned pos; | |||
2591 | ||||
2592 | pos = isl_aff_dim(aff, type); | |||
2593 | ||||
2594 | return isl_aff_insert_dims(aff, type, pos, n); | |||
2595 | } | |||
2596 | ||||
2597 | __isl_give isl_pw_aff *isl_pw_aff_add_dims(__isl_take isl_pw_aff *pwaff, | |||
2598 | enum isl_dim_type type, unsigned n) | |||
2599 | { | |||
2600 | unsigned pos; | |||
2601 | ||||
2602 | pos = isl_pw_aff_dim(pwaff, type); | |||
2603 | ||||
2604 | return isl_pw_aff_insert_dims(pwaff, type, pos, n); | |||
2605 | } | |||
2606 | ||||
2607 | /* Move the "n" dimensions of "src_type" starting at "src_pos" of "aff" | |||
2608 | * to dimensions of "dst_type" at "dst_pos". | |||
2609 | * | |||
2610 | * We only support moving input dimensions to parameters and vice versa. | |||
2611 | */ | |||
2612 | __isl_give isl_aff *isl_aff_move_dims(__isl_take isl_aff *aff, | |||
2613 | enum isl_dim_type dst_type, unsigned dst_pos, | |||
2614 | enum isl_dim_type src_type, unsigned src_pos, unsigned n) | |||
2615 | { | |||
2616 | unsigned g_dst_pos; | |||
2617 | unsigned g_src_pos; | |||
2618 | ||||
2619 | if (!aff) | |||
2620 | return NULL((void*)0); | |||
2621 | if (n == 0 && | |||
2622 | !isl_local_space_is_named_or_nested(aff->ls, src_type) && | |||
2623 | !isl_local_space_is_named_or_nested(aff->ls, dst_type)) | |||
2624 | return aff; | |||
2625 | ||||
2626 | if (dst_type == isl_dim_out || src_type == isl_dim_out) | |||
2627 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot move output/set dimension", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2629); return isl_aff_free(aff); } while (0) | |||
2628 | "cannot move output/set dimension",do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot move output/set dimension", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2629); return isl_aff_free(aff); } while (0) | |||
2629 | return isl_aff_free(aff))do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot move output/set dimension", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2629); return isl_aff_free(aff); } while (0); | |||
2630 | if (dst_type == isl_dim_div || src_type == isl_dim_div) | |||
2631 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot move divs", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2632); return isl_aff_free(aff); } while (0) | |||
2632 | "cannot move divs", return isl_aff_free(aff))do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot move divs", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2632); return isl_aff_free(aff); } while (0); | |||
2633 | if (dst_type == isl_dim_in) | |||
2634 | dst_type = isl_dim_set; | |||
2635 | if (src_type == isl_dim_in) | |||
2636 | src_type = isl_dim_set; | |||
2637 | ||||
2638 | if (src_pos + n > isl_local_space_dim(aff->ls, src_type)) | |||
2639 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "range out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2640); return isl_aff_free(aff); } while (0) | |||
2640 | "range out of bounds", return isl_aff_free(aff))do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "range out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2640); return isl_aff_free(aff); } while (0); | |||
2641 | if (dst_type == src_type) | |||
2642 | isl_die(isl_aff_get_ctx(aff), isl_error_unsupported,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_unsupported , "moving dims within the same type not supported", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2644); return isl_aff_free(aff); } while (0) | |||
2643 | "moving dims within the same type not supported",do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_unsupported , "moving dims within the same type not supported", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2644); return isl_aff_free(aff); } while (0) | |||
2644 | return isl_aff_free(aff))do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_unsupported , "moving dims within the same type not supported", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 2644); return isl_aff_free(aff); } while (0); | |||
2645 | ||||
2646 | aff = isl_aff_cow(aff); | |||
2647 | if (!aff) | |||
2648 | return NULL((void*)0); | |||
2649 | ||||
2650 | g_src_pos = 1 + isl_local_space_offset(aff->ls, src_type) + src_pos; | |||
2651 | g_dst_pos = 1 + isl_local_space_offset(aff->ls, dst_type) + dst_pos; | |||
2652 | if (dst_type > src_type) | |||
2653 | g_dst_pos -= n; | |||
2654 | ||||
2655 | aff->v = isl_vec_move_els(aff->v, g_dst_pos, g_src_pos, n); | |||
2656 | aff->ls = isl_local_space_move_dims(aff->ls, dst_type, dst_pos, | |||
2657 | src_type, src_pos, n); | |||
2658 | if (!aff->v || !aff->ls) | |||
2659 | return isl_aff_free(aff); | |||
2660 | ||||
2661 | aff = sort_divs(aff); | |||
2662 | ||||
2663 | return aff; | |||
2664 | } | |||
2665 | ||||
2666 | __isl_give isl_pw_aff *isl_pw_aff_from_aff(__isl_take isl_aff *aff) | |||
2667 | { | |||
2668 | isl_setisl_map *dom = isl_set_universe(isl_aff_get_domain_space(aff)); | |||
2669 | return isl_pw_aff_alloc(dom, aff); | |||
2670 | } | |||
2671 | ||||
2672 | #define isl_aff_involves_nanisl_aff_is_nan isl_aff_is_nan | |||
2673 | ||||
2674 | #undef PWisl_pw_multi_aff | |||
2675 | #define PWisl_pw_multi_aff isl_pw_aff | |||
2676 | #undef ELisl_union_pw_aff | |||
2677 | #define ELisl_union_pw_aff isl_aff | |||
2678 | #undef EL_IS_ZEROis_empty | |||
2679 | #define EL_IS_ZEROis_empty is_empty | |||
2680 | #undef ZEROempty | |||
2681 | #define ZEROempty empty | |||
2682 | #undef IS_ZEROis_empty | |||
2683 | #define IS_ZEROis_empty is_empty | |||
2684 | #undef FIELDmaff | |||
2685 | #define FIELDmaff aff | |||
2686 | #undef DEFAULT_IS_ZERO0 | |||
2687 | #define DEFAULT_IS_ZERO0 0 | |||
2688 | ||||
2689 | #define NO_OPT | |||
2690 | #define NO_LIFT | |||
2691 | #define NO_MORPH | |||
2692 | ||||
2693 | #include <isl_pw_templ.c> | |||
2694 | #include <isl_pw_eval.c> | |||
2695 | #include <isl_pw_hash.c> | |||
2696 | #include <isl_pw_union_opt.c> | |||
2697 | ||||
2698 | #undef BASEunion_pw_aff | |||
2699 | #define BASEunion_pw_aff pw_aff | |||
2700 | ||||
2701 | #include <isl_union_single.c> | |||
2702 | #include <isl_union_neg.c> | |||
2703 | ||||
2704 | static __isl_give isl_setisl_map *align_params_pw_pw_set_and( | |||
2705 | __isl_take isl_pw_aff *pwaff1, __isl_take isl_pw_aff *pwaff2, | |||
2706 | __isl_give isl_setisl_map *(*fn)(__isl_take isl_pw_aff *pwaff1, | |||
2707 | __isl_take isl_pw_aff *pwaff2)) | |||
2708 | { | |||
2709 | isl_bool equal_params; | |||
2710 | ||||
2711 | if (!pwaff1 || !pwaff2) | |||
2712 | goto error; | |||
2713 | equal_params = isl_space_has_equal_params(pwaff1->dim, pwaff2->dim); | |||
2714 | if (equal_params < 0) | |||
2715 | goto error; | |||
2716 | if (equal_params) | |||
2717 | return fn(pwaff1, pwaff2); | |||
2718 | if (isl_pw_aff_check_named_params(pwaff1) < 0 || | |||
2719 | isl_pw_aff_check_named_params(pwaff2) < 0) | |||
2720 | goto error; | |||
2721 | pwaff1 = isl_pw_aff_align_params(pwaff1, isl_pw_aff_get_space(pwaff2)); | |||
2722 | pwaff2 = isl_pw_aff_align_params(pwaff2, isl_pw_aff_get_space(pwaff1)); | |||
2723 | return fn(pwaff1, pwaff2); | |||
2724 | error: | |||
2725 | isl_pw_aff_free(pwaff1); | |||
2726 | isl_pw_aff_free(pwaff2); | |||
2727 | return NULL((void*)0); | |||
2728 | } | |||
2729 | ||||
2730 | /* Align the parameters of the to isl_pw_aff arguments and | |||
2731 | * then apply a function "fn" on them that returns an isl_map. | |||
2732 | */ | |||
2733 | static __isl_give isl_map *align_params_pw_pw_map_and( | |||
2734 | __isl_take isl_pw_aff *pa1, __isl_take isl_pw_aff *pa2, | |||
2735 | __isl_give isl_map *(*fn)(__isl_take isl_pw_aff *pa1, | |||
2736 | __isl_take isl_pw_aff *pa2)) | |||
2737 | { | |||
2738 | isl_bool equal_params; | |||
2739 | ||||
2740 | if (!pa1 || !pa2) | |||
2741 | goto error; | |||
2742 | equal_params = isl_space_has_equal_params(pa1->dim, pa2->dim); | |||
2743 | if (equal_params < 0) | |||
2744 | goto error; | |||
2745 | if (equal_params) | |||
2746 | return fn(pa1, pa2); | |||
2747 | if (isl_pw_aff_check_named_params(pa1) < 0 || | |||
2748 | isl_pw_aff_check_named_params(pa2) < 0) | |||
2749 | goto error; | |||
2750 | pa1 = isl_pw_aff_align_params(pa1, isl_pw_aff_get_space(pa2)); | |||
2751 | pa2 = isl_pw_aff_align_params(pa2, isl_pw_aff_get_space(pa1)); | |||
2752 | return fn(pa1, pa2); | |||
2753 | error: | |||
2754 | isl_pw_aff_free(pa1); | |||
2755 | isl_pw_aff_free(pa2); | |||
2756 | return NULL((void*)0); | |||
2757 | } | |||
2758 | ||||
2759 | /* Compute a piecewise quasi-affine expression with a domain that | |||
2760 | * is the union of those of pwaff1 and pwaff2 and such that on each | |||
2761 | * cell, the quasi-affine expression is the maximum of those of pwaff1 | |||
2762 | * and pwaff2. If only one of pwaff1 or pwaff2 is defined on a given | |||
2763 | * cell, then the associated expression is the defined one. | |||
2764 | */ | |||
2765 | static __isl_give isl_pw_aff *pw_aff_union_max(__isl_take isl_pw_aff *pwaff1, | |||
2766 | __isl_take isl_pw_aff *pwaff2) | |||
2767 | { | |||
2768 | return isl_pw_aff_union_opt_cmp(pwaff1, pwaff2, &isl_aff_ge_set); | |||
2769 | } | |||
2770 | ||||
2771 | __isl_give isl_pw_aff *isl_pw_aff_union_max(__isl_take isl_pw_aff *pwaff1, | |||
2772 | __isl_take isl_pw_aff *pwaff2) | |||
2773 | { | |||
2774 | return isl_pw_aff_align_params_pw_pw_and(pwaff1, pwaff2, | |||
2775 | &pw_aff_union_max); | |||
2776 | } | |||
2777 | ||||
2778 | /* Compute a piecewise quasi-affine expression with a domain that | |||
2779 | * is the union of those of pwaff1 and pwaff2 and such that on each | |||
2780 | * cell, the quasi-affine expression is the minimum of those of pwaff1 | |||
2781 | * and pwaff2. If only one of pwaff1 or pwaff2 is defined on a given | |||
2782 | * cell, then the associated expression is the defined one. | |||
2783 | */ | |||
2784 | static __isl_give isl_pw_aff *pw_aff_union_min(__isl_take isl_pw_aff *pwaff1, | |||
2785 | __isl_take isl_pw_aff *pwaff2) | |||
2786 | { | |||
2787 | return isl_pw_aff_union_opt_cmp(pwaff1, pwaff2, &isl_aff_le_set); | |||
2788 | } | |||
2789 | ||||
2790 | __isl_give isl_pw_aff *isl_pw_aff_union_min(__isl_take isl_pw_aff *pwaff1, | |||
2791 | __isl_take isl_pw_aff *pwaff2) | |||
2792 | { | |||
2793 | return isl_pw_aff_align_params_pw_pw_and(pwaff1, pwaff2, | |||
2794 | &pw_aff_union_min); | |||
2795 | } | |||
2796 | ||||
2797 | __isl_give isl_pw_aff *isl_pw_aff_union_opt(__isl_take isl_pw_aff *pwaff1, | |||
2798 | __isl_take isl_pw_aff *pwaff2, int max) | |||
2799 | { | |||
2800 | if (max) | |||
2801 | return isl_pw_aff_union_max(pwaff1, pwaff2); | |||
2802 | else | |||
2803 | return isl_pw_aff_union_min(pwaff1, pwaff2); | |||
2804 | } | |||
2805 | ||||
2806 | /* Return a set containing those elements in the domain | |||
2807 | * of "pwaff" where it satisfies "fn" (if complement is 0) or | |||
2808 | * does not satisfy "fn" (if complement is 1). | |||
2809 | * | |||
2810 | * The pieces with a NaN never belong to the result since | |||
2811 | * NaN does not satisfy any property. | |||
2812 | */ | |||
2813 | static __isl_give isl_setisl_map *pw_aff_locus(__isl_take isl_pw_aff *pwaff, | |||
2814 | __isl_give isl_basic_setisl_basic_map *(*fn)(__isl_take isl_aff *aff, int rational), | |||
2815 | int complement) | |||
2816 | { | |||
2817 | int i; | |||
2818 | isl_setisl_map *set; | |||
2819 | ||||
2820 | if (!pwaff) | |||
2821 | return NULL((void*)0); | |||
2822 | ||||
2823 | set = isl_set_empty(isl_pw_aff_get_domain_space(pwaff)); | |||
2824 | ||||
2825 | for (i = 0; i < pwaff->n; ++i) { | |||
2826 | isl_basic_setisl_basic_map *bset; | |||
2827 | isl_setisl_map *set_i, *locus; | |||
2828 | isl_bool rational; | |||
2829 | ||||
2830 | if (isl_aff_is_nan(pwaff->p[i].aff)) | |||
2831 | continue; | |||
2832 | ||||
2833 | rational = isl_set_has_rational(pwaff->p[i].set); | |||
2834 | bset = fn(isl_aff_copy(pwaff->p[i].aff), rational); | |||
2835 | locus = isl_set_from_basic_set(bset); | |||
2836 | set_i = isl_set_copy(pwaff->p[i].set); | |||
2837 | if (complement) | |||
2838 | set_i = isl_set_subtract(set_i, locus); | |||
2839 | else | |||
2840 | set_i = isl_set_intersect(set_i, locus); | |||
2841 | set = isl_set_union_disjoint(set, set_i); | |||
2842 | } | |||
2843 | ||||
2844 | isl_pw_aff_free(pwaff); | |||
2845 | ||||
2846 | return set; | |||
2847 | } | |||
2848 | ||||
2849 | /* Return a set containing those elements in the domain | |||
2850 | * of "pa" where it is positive. | |||
2851 | */ | |||
2852 | __isl_give isl_setisl_map *isl_pw_aff_pos_set(__isl_take isl_pw_aff *pa) | |||
2853 | { | |||
2854 | return pw_aff_locus(pa, &aff_pos_basic_set, 0); | |||
2855 | } | |||
2856 | ||||
2857 | /* Return a set containing those elements in the domain | |||
2858 | * of pwaff where it is non-negative. | |||
2859 | */ | |||
2860 | __isl_give isl_setisl_map *isl_pw_aff_nonneg_set(__isl_take isl_pw_aff *pwaff) | |||
2861 | { | |||
2862 | return pw_aff_locus(pwaff, &aff_nonneg_basic_set, 0); | |||
2863 | } | |||
2864 | ||||
2865 | /* Return a set containing those elements in the domain | |||
2866 | * of pwaff where it is zero. | |||
2867 | */ | |||
2868 | __isl_give isl_setisl_map *isl_pw_aff_zero_set(__isl_take isl_pw_aff *pwaff) | |||
2869 | { | |||
2870 | return pw_aff_locus(pwaff, &aff_zero_basic_set, 0); | |||
2871 | } | |||
2872 | ||||
2873 | /* Return a set containing those elements in the domain | |||
2874 | * of pwaff where it is not zero. | |||
2875 | */ | |||
2876 | __isl_give isl_setisl_map *isl_pw_aff_non_zero_set(__isl_take isl_pw_aff *pwaff) | |||
2877 | { | |||
2878 | return pw_aff_locus(pwaff, &aff_zero_basic_set, 1); | |||
2879 | } | |||
2880 | ||||
2881 | /* Return a set containing those elements in the shared domain | |||
2882 | * of pwaff1 and pwaff2 where pwaff1 is greater than (or equal) to pwaff2. | |||
2883 | * | |||
2884 | * We compute the difference on the shared domain and then construct | |||
2885 | * the set of values where this difference is non-negative. | |||
2886 | * If strict is set, we first subtract 1 from the difference. | |||
2887 | * If equal is set, we only return the elements where pwaff1 and pwaff2 | |||
2888 | * are equal. | |||
2889 | */ | |||
2890 | static __isl_give isl_setisl_map *pw_aff_gte_set(__isl_take isl_pw_aff *pwaff1, | |||
2891 | __isl_take isl_pw_aff *pwaff2, int strict, int equal) | |||
2892 | { | |||
2893 | isl_setisl_map *set1, *set2; | |||
2894 | ||||
2895 | set1 = isl_pw_aff_domain(isl_pw_aff_copy(pwaff1)); | |||
2896 | set2 = isl_pw_aff_domain(isl_pw_aff_copy(pwaff2)); | |||
2897 | set1 = isl_set_intersect(set1, set2); | |||
2898 | pwaff1 = isl_pw_aff_intersect_domain(pwaff1, isl_set_copy(set1)); | |||
2899 | pwaff2 = isl_pw_aff_intersect_domain(pwaff2, isl_set_copy(set1)); | |||
2900 | pwaff1 = isl_pw_aff_add(pwaff1, isl_pw_aff_neg(pwaff2)); | |||
2901 | ||||
2902 | if (strict) { | |||
2903 | isl_space *dim = isl_set_get_space(set1); | |||
2904 | isl_aff *aff; | |||
2905 | aff = isl_aff_zero_on_domain(isl_local_space_from_space(dim)); | |||
2906 | aff = isl_aff_add_constant_si(aff, -1); | |||
2907 | pwaff1 = isl_pw_aff_add(pwaff1, isl_pw_aff_alloc(set1, aff)); | |||
2908 | } else | |||
2909 | isl_set_free(set1); | |||
2910 | ||||
2911 | if (equal) | |||
2912 | return isl_pw_aff_zero_set(pwaff1); | |||
2913 | return isl_pw_aff_nonneg_set(pwaff1); | |||
2914 | } | |||
2915 | ||||
2916 | /* Return a set containing those elements in the shared domain | |||
2917 | * of pwaff1 and pwaff2 where pwaff1 is equal to pwaff2. | |||
2918 | */ | |||
2919 | static __isl_give isl_setisl_map *pw_aff_eq_set(__isl_take isl_pw_aff *pwaff1, | |||
2920 | __isl_take isl_pw_aff *pwaff2) | |||
2921 | { | |||
2922 | return pw_aff_gte_set(pwaff1, pwaff2, 0, 1); | |||
2923 | } | |||
2924 | ||||
2925 | __isl_give isl_setisl_map *isl_pw_aff_eq_set(__isl_take isl_pw_aff *pwaff1, | |||
2926 | __isl_take isl_pw_aff *pwaff2) | |||
2927 | { | |||
2928 | return align_params_pw_pw_set_and(pwaff1, pwaff2, &pw_aff_eq_set); | |||
2929 | } | |||
2930 | ||||
2931 | /* Return a set containing those elements in the shared domain | |||
2932 | * of pwaff1 and pwaff2 where pwaff1 is greater than or equal to pwaff2. | |||
2933 | */ | |||
2934 | static __isl_give isl_setisl_map *pw_aff_ge_set(__isl_take isl_pw_aff *pwaff1, | |||
2935 | __isl_take isl_pw_aff *pwaff2) | |||
2936 | { | |||
2937 | return pw_aff_gte_set(pwaff1, pwaff2, 0, 0); | |||
2938 | } | |||
2939 | ||||
2940 | __isl_give isl_setisl_map *isl_pw_aff_ge_set(__isl_take isl_pw_aff *pwaff1, | |||
2941 | __isl_take isl_pw_aff *pwaff2) | |||
2942 | { | |||
2943 | return align_params_pw_pw_set_and(pwaff1, pwaff2, &pw_aff_ge_set); | |||
2944 | } | |||
2945 | ||||
2946 | /* Return a set containing those elements in the shared domain | |||
2947 | * of pwaff1 and pwaff2 where pwaff1 is strictly greater than pwaff2. | |||
2948 | */ | |||
2949 | static __isl_give isl_setisl_map *pw_aff_gt_set(__isl_take isl_pw_aff *pwaff1, | |||
2950 | __isl_take isl_pw_aff *pwaff2) | |||
2951 | { | |||
2952 | return pw_aff_gte_set(pwaff1, pwaff2, 1, 0); | |||
2953 | } | |||
2954 | ||||
2955 | __isl_give isl_setisl_map *isl_pw_aff_gt_set(__isl_take isl_pw_aff *pwaff1, | |||
2956 | __isl_take isl_pw_aff *pwaff2) | |||
2957 | { | |||
2958 | return align_params_pw_pw_set_and(pwaff1, pwaff2, &pw_aff_gt_set); | |||
2959 | } | |||
2960 | ||||
2961 | __isl_give isl_setisl_map *isl_pw_aff_le_set(__isl_take isl_pw_aff *pwaff1, | |||
2962 | __isl_take isl_pw_aff *pwaff2) | |||
2963 | { | |||
2964 | return isl_pw_aff_ge_set(pwaff2, pwaff1); | |||
2965 | } | |||
2966 | ||||
2967 | __isl_give isl_setisl_map *isl_pw_aff_lt_set(__isl_take isl_pw_aff *pwaff1, | |||
2968 | __isl_take isl_pw_aff *pwaff2) | |||
2969 | { | |||
2970 | return isl_pw_aff_gt_set(pwaff2, pwaff1); | |||
2971 | } | |||
2972 | ||||
2973 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
2974 | * where the function values are ordered in the same way as "order", | |||
2975 | * which returns a set in the shared domain of its two arguments. | |||
2976 | * The parameters of "pa1" and "pa2" are assumed to have been aligned. | |||
2977 | * | |||
2978 | * Let "pa1" and "pa2" be defined on domains A and B respectively. | |||
2979 | * We first pull back the two functions such that they are defined on | |||
2980 | * the domain [A -> B]. Then we apply "order", resulting in a set | |||
2981 | * in the space [A -> B]. Finally, we unwrap this set to obtain | |||
2982 | * a map in the space A -> B. | |||
2983 | */ | |||
2984 | static __isl_give isl_map *isl_pw_aff_order_map_aligned( | |||
2985 | __isl_take isl_pw_aff *pa1, __isl_take isl_pw_aff *pa2, | |||
2986 | __isl_give isl_setisl_map *(*order)(__isl_take isl_pw_aff *pa1, | |||
2987 | __isl_take isl_pw_aff *pa2)) | |||
2988 | { | |||
2989 | isl_space *space1, *space2; | |||
2990 | isl_multi_aff *ma; | |||
2991 | isl_setisl_map *set; | |||
2992 | ||||
2993 | space1 = isl_space_domain(isl_pw_aff_get_space(pa1)); | |||
2994 | space2 = isl_space_domain(isl_pw_aff_get_space(pa2)); | |||
2995 | space1 = isl_space_map_from_domain_and_range(space1, space2); | |||
2996 | ma = isl_multi_aff_domain_map(isl_space_copy(space1)); | |||
2997 | pa1 = isl_pw_aff_pullback_multi_aff(pa1, ma); | |||
2998 | ma = isl_multi_aff_range_map(space1); | |||
2999 | pa2 = isl_pw_aff_pullback_multi_aff(pa2, ma); | |||
3000 | set = order(pa1, pa2); | |||
3001 | ||||
3002 | return isl_set_unwrap(set); | |||
3003 | } | |||
3004 | ||||
3005 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
3006 | * where the function values are equal. | |||
3007 | * The parameters of "pa1" and "pa2" are assumed to have been aligned. | |||
3008 | */ | |||
3009 | static __isl_give isl_map *isl_pw_aff_eq_map_aligned(__isl_take isl_pw_aff *pa1, | |||
3010 | __isl_take isl_pw_aff *pa2) | |||
3011 | { | |||
3012 | return isl_pw_aff_order_map_aligned(pa1, pa2, &isl_pw_aff_eq_set); | |||
3013 | } | |||
3014 | ||||
3015 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
3016 | * where the function values are equal. | |||
3017 | */ | |||
3018 | __isl_give isl_map *isl_pw_aff_eq_map(__isl_take isl_pw_aff *pa1, | |||
3019 | __isl_take isl_pw_aff *pa2) | |||
3020 | { | |||
3021 | return align_params_pw_pw_map_and(pa1, pa2, &isl_pw_aff_eq_map_aligned); | |||
3022 | } | |||
3023 | ||||
3024 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
3025 | * where the function value of "pa1" is less than the function value of "pa2". | |||
3026 | * The parameters of "pa1" and "pa2" are assumed to have been aligned. | |||
3027 | */ | |||
3028 | static __isl_give isl_map *isl_pw_aff_lt_map_aligned(__isl_take isl_pw_aff *pa1, | |||
3029 | __isl_take isl_pw_aff *pa2) | |||
3030 | { | |||
3031 | return isl_pw_aff_order_map_aligned(pa1, pa2, &isl_pw_aff_lt_set); | |||
3032 | } | |||
3033 | ||||
3034 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
3035 | * where the function value of "pa1" is less than the function value of "pa2". | |||
3036 | */ | |||
3037 | __isl_give isl_map *isl_pw_aff_lt_map(__isl_take isl_pw_aff *pa1, | |||
3038 | __isl_take isl_pw_aff *pa2) | |||
3039 | { | |||
3040 | return align_params_pw_pw_map_and(pa1, pa2, &isl_pw_aff_lt_map_aligned); | |||
3041 | } | |||
3042 | ||||
3043 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
3044 | * where the function value of "pa1" is greater than the function value | |||
3045 | * of "pa2". | |||
3046 | * The parameters of "pa1" and "pa2" are assumed to have been aligned. | |||
3047 | */ | |||
3048 | static __isl_give isl_map *isl_pw_aff_gt_map_aligned(__isl_take isl_pw_aff *pa1, | |||
3049 | __isl_take isl_pw_aff *pa2) | |||
3050 | { | |||
3051 | return isl_pw_aff_order_map_aligned(pa1, pa2, &isl_pw_aff_gt_set); | |||
3052 | } | |||
3053 | ||||
3054 | /* Return a map containing pairs of elements in the domains of "pa1" and "pa2" | |||
3055 | * where the function value of "pa1" is greater than the function value | |||
3056 | * of "pa2". | |||
3057 | */ | |||
3058 | __isl_give isl_map *isl_pw_aff_gt_map(__isl_take isl_pw_aff *pa1, | |||
3059 | __isl_take isl_pw_aff *pa2) | |||
3060 | { | |||
3061 | return align_params_pw_pw_map_and(pa1, pa2, &isl_pw_aff_gt_map_aligned); | |||
3062 | } | |||
3063 | ||||
3064 | /* Return a set containing those elements in the shared domain | |||
3065 | * of the elements of list1 and list2 where each element in list1 | |||
3066 | * has the relation specified by "fn" with each element in list2. | |||
3067 | */ | |||
3068 | static __isl_give isl_setisl_map *pw_aff_list_set(__isl_take isl_pw_aff_list *list1, | |||
3069 | __isl_take isl_pw_aff_list *list2, | |||
3070 | __isl_give isl_setisl_map *(*fn)(__isl_take isl_pw_aff *pwaff1, | |||
3071 | __isl_take isl_pw_aff *pwaff2)) | |||
3072 | { | |||
3073 | int i, j; | |||
3074 | isl_ctx *ctx; | |||
3075 | isl_setisl_map *set; | |||
3076 | ||||
3077 | if (!list1 || !list2) | |||
3078 | goto error; | |||
3079 | ||||
3080 | ctx = isl_pw_aff_list_get_ctx(list1); | |||
3081 | if (list1->n < 1 || list2->n < 1) | |||
3082 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "list should contain at least one element" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3083); goto error; } while (0) | |||
3083 | "list should contain at least one element", goto error)do { isl_handle_error(ctx, isl_error_invalid, "list should contain at least one element" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3083); goto error; } while (0); | |||
3084 | ||||
3085 | set = isl_set_universe(isl_pw_aff_get_domain_space(list1->p[0])); | |||
3086 | for (i = 0; i < list1->n; ++i) | |||
3087 | for (j = 0; j < list2->n; ++j) { | |||
3088 | isl_setisl_map *set_ij; | |||
3089 | ||||
3090 | set_ij = fn(isl_pw_aff_copy(list1->p[i]), | |||
3091 | isl_pw_aff_copy(list2->p[j])); | |||
3092 | set = isl_set_intersect(set, set_ij); | |||
3093 | } | |||
3094 | ||||
3095 | isl_pw_aff_list_free(list1); | |||
3096 | isl_pw_aff_list_free(list2); | |||
3097 | return set; | |||
3098 | error: | |||
3099 | isl_pw_aff_list_free(list1); | |||
3100 | isl_pw_aff_list_free(list2); | |||
3101 | return NULL((void*)0); | |||
3102 | } | |||
3103 | ||||
3104 | /* Return a set containing those elements in the shared domain | |||
3105 | * of the elements of list1 and list2 where each element in list1 | |||
3106 | * is equal to each element in list2. | |||
3107 | */ | |||
3108 | __isl_give isl_setisl_map *isl_pw_aff_list_eq_set(__isl_take isl_pw_aff_list *list1, | |||
3109 | __isl_take isl_pw_aff_list *list2) | |||
3110 | { | |||
3111 | return pw_aff_list_set(list1, list2, &isl_pw_aff_eq_set); | |||
3112 | } | |||
3113 | ||||
3114 | __isl_give isl_setisl_map *isl_pw_aff_list_ne_set(__isl_take isl_pw_aff_list *list1, | |||
3115 | __isl_take isl_pw_aff_list *list2) | |||
3116 | { | |||
3117 | return pw_aff_list_set(list1, list2, &isl_pw_aff_ne_set); | |||
3118 | } | |||
3119 | ||||
3120 | /* Return a set containing those elements in the shared domain | |||
3121 | * of the elements of list1 and list2 where each element in list1 | |||
3122 | * is less than or equal to each element in list2. | |||
3123 | */ | |||
3124 | __isl_give isl_setisl_map *isl_pw_aff_list_le_set(__isl_take isl_pw_aff_list *list1, | |||
3125 | __isl_take isl_pw_aff_list *list2) | |||
3126 | { | |||
3127 | return pw_aff_list_set(list1, list2, &isl_pw_aff_le_set); | |||
3128 | } | |||
3129 | ||||
3130 | __isl_give isl_setisl_map *isl_pw_aff_list_lt_set(__isl_take isl_pw_aff_list *list1, | |||
3131 | __isl_take isl_pw_aff_list *list2) | |||
3132 | { | |||
3133 | return pw_aff_list_set(list1, list2, &isl_pw_aff_lt_set); | |||
3134 | } | |||
3135 | ||||
3136 | __isl_give isl_setisl_map *isl_pw_aff_list_ge_set(__isl_take isl_pw_aff_list *list1, | |||
3137 | __isl_take isl_pw_aff_list *list2) | |||
3138 | { | |||
3139 | return pw_aff_list_set(list1, list2, &isl_pw_aff_ge_set); | |||
3140 | } | |||
3141 | ||||
3142 | __isl_give isl_setisl_map *isl_pw_aff_list_gt_set(__isl_take isl_pw_aff_list *list1, | |||
3143 | __isl_take isl_pw_aff_list *list2) | |||
3144 | { | |||
3145 | return pw_aff_list_set(list1, list2, &isl_pw_aff_gt_set); | |||
3146 | } | |||
3147 | ||||
3148 | ||||
3149 | /* Return a set containing those elements in the shared domain | |||
3150 | * of pwaff1 and pwaff2 where pwaff1 is not equal to pwaff2. | |||
3151 | */ | |||
3152 | static __isl_give isl_setisl_map *pw_aff_ne_set(__isl_take isl_pw_aff *pwaff1, | |||
3153 | __isl_take isl_pw_aff *pwaff2) | |||
3154 | { | |||
3155 | isl_setisl_map *set_lt, *set_gt; | |||
3156 | ||||
3157 | set_lt = isl_pw_aff_lt_set(isl_pw_aff_copy(pwaff1), | |||
3158 | isl_pw_aff_copy(pwaff2)); | |||
3159 | set_gt = isl_pw_aff_gt_set(pwaff1, pwaff2); | |||
3160 | return isl_set_union_disjoint(set_lt, set_gt); | |||
3161 | } | |||
3162 | ||||
3163 | __isl_give isl_setisl_map *isl_pw_aff_ne_set(__isl_take isl_pw_aff *pwaff1, | |||
3164 | __isl_take isl_pw_aff *pwaff2) | |||
3165 | { | |||
3166 | return align_params_pw_pw_set_and(pwaff1, pwaff2, &pw_aff_ne_set); | |||
3167 | } | |||
3168 | ||||
3169 | __isl_give isl_pw_aff *isl_pw_aff_scale_down(__isl_take isl_pw_aff *pwaff, | |||
3170 | isl_int v) | |||
3171 | { | |||
3172 | int i; | |||
3173 | ||||
3174 | if (isl_int_is_one(v)(isl_sioimath_cmp_si(*(v), 1) == 0)) | |||
3175 | return pwaff; | |||
3176 | if (!isl_int_is_pos(v)(isl_sioimath_sgn(*(v)) > 0)) | |||
3177 | isl_die(isl_pw_aff_get_ctx(pwaff), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pwaff), isl_error_invalid , "factor needs to be positive", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3179); return isl_pw_aff_free(pwaff); } while (0) | |||
3178 | "factor needs to be positive",do { isl_handle_error(isl_pw_aff_get_ctx(pwaff), isl_error_invalid , "factor needs to be positive", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3179); return isl_pw_aff_free(pwaff); } while (0) | |||
3179 | return isl_pw_aff_free(pwaff))do { isl_handle_error(isl_pw_aff_get_ctx(pwaff), isl_error_invalid , "factor needs to be positive", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3179); return isl_pw_aff_free(pwaff); } while (0); | |||
3180 | pwaff = isl_pw_aff_cow(pwaff); | |||
3181 | if (!pwaff) | |||
3182 | return NULL((void*)0); | |||
3183 | if (pwaff->n == 0) | |||
3184 | return pwaff; | |||
3185 | ||||
3186 | for (i = 0; i < pwaff->n; ++i) { | |||
3187 | pwaff->p[i].aff = isl_aff_scale_down(pwaff->p[i].aff, v); | |||
3188 | if (!pwaff->p[i].aff) | |||
3189 | return isl_pw_aff_free(pwaff); | |||
3190 | } | |||
3191 | ||||
3192 | return pwaff; | |||
3193 | } | |||
3194 | ||||
3195 | __isl_give isl_pw_aff *isl_pw_aff_floor(__isl_take isl_pw_aff *pwaff) | |||
3196 | { | |||
3197 | int i; | |||
3198 | ||||
3199 | pwaff = isl_pw_aff_cow(pwaff); | |||
3200 | if (!pwaff) | |||
3201 | return NULL((void*)0); | |||
3202 | if (pwaff->n == 0) | |||
3203 | return pwaff; | |||
3204 | ||||
3205 | for (i = 0; i < pwaff->n; ++i) { | |||
3206 | pwaff->p[i].aff = isl_aff_floor(pwaff->p[i].aff); | |||
3207 | if (!pwaff->p[i].aff) | |||
3208 | return isl_pw_aff_free(pwaff); | |||
3209 | } | |||
3210 | ||||
3211 | return pwaff; | |||
3212 | } | |||
3213 | ||||
3214 | __isl_give isl_pw_aff *isl_pw_aff_ceil(__isl_take isl_pw_aff *pwaff) | |||
3215 | { | |||
3216 | int i; | |||
3217 | ||||
3218 | pwaff = isl_pw_aff_cow(pwaff); | |||
3219 | if (!pwaff) | |||
3220 | return NULL((void*)0); | |||
3221 | if (pwaff->n == 0) | |||
3222 | return pwaff; | |||
3223 | ||||
3224 | for (i = 0; i < pwaff->n; ++i) { | |||
3225 | pwaff->p[i].aff = isl_aff_ceil(pwaff->p[i].aff); | |||
3226 | if (!pwaff->p[i].aff) | |||
3227 | return isl_pw_aff_free(pwaff); | |||
3228 | } | |||
3229 | ||||
3230 | return pwaff; | |||
3231 | } | |||
3232 | ||||
3233 | /* Assuming that "cond1" and "cond2" are disjoint, | |||
3234 | * return an affine expression that is equal to pwaff1 on cond1 | |||
3235 | * and to pwaff2 on cond2. | |||
3236 | */ | |||
3237 | static __isl_give isl_pw_aff *isl_pw_aff_select( | |||
3238 | __isl_take isl_setisl_map *cond1, __isl_take isl_pw_aff *pwaff1, | |||
3239 | __isl_take isl_setisl_map *cond2, __isl_take isl_pw_aff *pwaff2) | |||
3240 | { | |||
3241 | pwaff1 = isl_pw_aff_intersect_domain(pwaff1, cond1); | |||
3242 | pwaff2 = isl_pw_aff_intersect_domain(pwaff2, cond2); | |||
3243 | ||||
3244 | return isl_pw_aff_add_disjoint(pwaff1, pwaff2); | |||
3245 | } | |||
3246 | ||||
3247 | /* Return an affine expression that is equal to pwaff_true for elements | |||
3248 | * where "cond" is non-zero and to pwaff_false for elements where "cond" | |||
3249 | * is zero. | |||
3250 | * That is, return cond ? pwaff_true : pwaff_false; | |||
3251 | * | |||
3252 | * If "cond" involves and NaN, then we conservatively return a NaN | |||
3253 | * on its entire domain. In principle, we could consider the pieces | |||
3254 | * where it is NaN separately from those where it is not. | |||
3255 | * | |||
3256 | * If "pwaff_true" and "pwaff_false" are obviously equal to each other, | |||
3257 | * then only use the domain of "cond" to restrict the domain. | |||
3258 | */ | |||
3259 | __isl_give isl_pw_aff *isl_pw_aff_cond(__isl_take isl_pw_aff *cond, | |||
3260 | __isl_take isl_pw_aff *pwaff_true, __isl_take isl_pw_aff *pwaff_false) | |||
3261 | { | |||
3262 | isl_setisl_map *cond_true, *cond_false; | |||
3263 | isl_bool equal; | |||
3264 | ||||
3265 | if (!cond) | |||
3266 | goto error; | |||
3267 | if (isl_pw_aff_involves_nan(cond)) { | |||
3268 | isl_space *space = isl_pw_aff_get_domain_space(cond); | |||
3269 | isl_local_space *ls = isl_local_space_from_space(space); | |||
3270 | isl_pw_aff_free(cond); | |||
3271 | isl_pw_aff_free(pwaff_true); | |||
3272 | isl_pw_aff_free(pwaff_false); | |||
3273 | return isl_pw_aff_nan_on_domain(ls); | |||
3274 | } | |||
3275 | ||||
3276 | pwaff_true = isl_pw_aff_align_params(pwaff_true, | |||
3277 | isl_pw_aff_get_space(pwaff_false)); | |||
3278 | pwaff_false = isl_pw_aff_align_params(pwaff_false, | |||
3279 | isl_pw_aff_get_space(pwaff_true)); | |||
3280 | equal = isl_pw_aff_plain_is_equal(pwaff_true, pwaff_false); | |||
3281 | if (equal < 0) | |||
3282 | goto error; | |||
3283 | if (equal) { | |||
3284 | isl_setisl_map *dom; | |||
3285 | ||||
3286 | dom = isl_set_coalesce(isl_pw_aff_domain(cond)); | |||
3287 | isl_pw_aff_free(pwaff_false); | |||
3288 | return isl_pw_aff_intersect_domain(pwaff_true, dom); | |||
3289 | } | |||
3290 | ||||
3291 | cond_true = isl_pw_aff_non_zero_set(isl_pw_aff_copy(cond)); | |||
3292 | cond_false = isl_pw_aff_zero_set(cond); | |||
3293 | return isl_pw_aff_select(cond_true, pwaff_true, | |||
3294 | cond_false, pwaff_false); | |||
3295 | error: | |||
3296 | isl_pw_aff_free(cond); | |||
3297 | isl_pw_aff_free(pwaff_true); | |||
3298 | isl_pw_aff_free(pwaff_false); | |||
3299 | return NULL((void*)0); | |||
3300 | } | |||
3301 | ||||
3302 | isl_bool isl_aff_is_cst(__isl_keep isl_aff *aff) | |||
3303 | { | |||
3304 | if (!aff) | |||
3305 | return isl_bool_error; | |||
3306 | ||||
3307 | return isl_seq_first_non_zero(aff->v->el + 2, aff->v->size - 2) == -1; | |||
3308 | } | |||
3309 | ||||
3310 | /* Check whether pwaff is a piecewise constant. | |||
3311 | */ | |||
3312 | isl_bool isl_pw_aff_is_cst(__isl_keep isl_pw_aff *pwaff) | |||
3313 | { | |||
3314 | int i; | |||
3315 | ||||
3316 | if (!pwaff) | |||
3317 | return isl_bool_error; | |||
3318 | ||||
3319 | for (i = 0; i < pwaff->n; ++i) { | |||
3320 | isl_bool is_cst = isl_aff_is_cst(pwaff->p[i].aff); | |||
3321 | if (is_cst < 0 || !is_cst) | |||
3322 | return is_cst; | |||
3323 | } | |||
3324 | ||||
3325 | return isl_bool_true; | |||
3326 | } | |||
3327 | ||||
3328 | /* Are all elements of "mpa" piecewise constants? | |||
3329 | */ | |||
3330 | isl_bool isl_multi_pw_aff_is_cst(__isl_keep isl_multi_pw_aff *mpa) | |||
3331 | { | |||
3332 | int i; | |||
3333 | ||||
3334 | if (!mpa) | |||
3335 | return isl_bool_error; | |||
3336 | ||||
3337 | for (i = 0; i < mpa->n; ++i) { | |||
3338 | isl_bool is_cst = isl_pw_aff_is_cst(mpa->u.p[i]); | |||
3339 | if (is_cst < 0 || !is_cst) | |||
3340 | return is_cst; | |||
3341 | } | |||
3342 | ||||
3343 | return isl_bool_true; | |||
3344 | } | |||
3345 | ||||
3346 | /* Return the product of "aff1" and "aff2". | |||
3347 | * | |||
3348 | * If either of the two is NaN, then the result is NaN. | |||
3349 | * | |||
3350 | * Otherwise, at least one of "aff1" or "aff2" needs to be a constant. | |||
3351 | */ | |||
3352 | __isl_give isl_aff *isl_aff_mul(__isl_take isl_aff *aff1, | |||
3353 | __isl_take isl_aff *aff2) | |||
3354 | { | |||
3355 | if (!aff1 || !aff2) | |||
3356 | goto error; | |||
3357 | ||||
3358 | if (isl_aff_is_nan(aff1)) { | |||
3359 | isl_aff_free(aff2); | |||
3360 | return aff1; | |||
3361 | } | |||
3362 | if (isl_aff_is_nan(aff2)) { | |||
3363 | isl_aff_free(aff1); | |||
3364 | return aff2; | |||
3365 | } | |||
3366 | ||||
3367 | if (!isl_aff_is_cst(aff2) && isl_aff_is_cst(aff1)) | |||
3368 | return isl_aff_mul(aff2, aff1); | |||
3369 | ||||
3370 | if (!isl_aff_is_cst(aff2)) | |||
3371 | isl_die(isl_aff_get_ctx(aff1), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff1), isl_error_invalid , "at least one affine expression should be constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3373); goto error; } while (0) | |||
3372 | "at least one affine expression should be constant",do { isl_handle_error(isl_aff_get_ctx(aff1), isl_error_invalid , "at least one affine expression should be constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3373); goto error; } while (0) | |||
3373 | goto error)do { isl_handle_error(isl_aff_get_ctx(aff1), isl_error_invalid , "at least one affine expression should be constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3373); goto error; } while (0); | |||
3374 | ||||
3375 | aff1 = isl_aff_cow(aff1); | |||
3376 | if (!aff1 || !aff2) | |||
3377 | goto error; | |||
3378 | ||||
3379 | aff1 = isl_aff_scale(aff1, aff2->v->el[1]); | |||
3380 | aff1 = isl_aff_scale_down(aff1, aff2->v->el[0]); | |||
3381 | ||||
3382 | isl_aff_free(aff2); | |||
3383 | return aff1; | |||
3384 | error: | |||
3385 | isl_aff_free(aff1); | |||
3386 | isl_aff_free(aff2); | |||
3387 | return NULL((void*)0); | |||
3388 | } | |||
3389 | ||||
3390 | /* Divide "aff1" by "aff2", assuming "aff2" is a constant. | |||
3391 | * | |||
3392 | * If either of the two is NaN, then the result is NaN. | |||
3393 | */ | |||
3394 | __isl_give isl_aff *isl_aff_div(__isl_take isl_aff *aff1, | |||
3395 | __isl_take isl_aff *aff2) | |||
3396 | { | |||
3397 | int is_cst; | |||
3398 | int neg; | |||
3399 | ||||
3400 | if (!aff1 || !aff2) | |||
3401 | goto error; | |||
3402 | ||||
3403 | if (isl_aff_is_nan(aff1)) { | |||
3404 | isl_aff_free(aff2); | |||
3405 | return aff1; | |||
3406 | } | |||
3407 | if (isl_aff_is_nan(aff2)) { | |||
3408 | isl_aff_free(aff1); | |||
3409 | return aff2; | |||
3410 | } | |||
3411 | ||||
3412 | is_cst = isl_aff_is_cst(aff2); | |||
3413 | if (is_cst < 0) | |||
3414 | goto error; | |||
3415 | if (!is_cst) | |||
3416 | isl_die(isl_aff_get_ctx(aff2), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff2), isl_error_invalid , "second argument should be a constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3417); goto error; } while (0) | |||
3417 | "second argument should be a constant", goto error)do { isl_handle_error(isl_aff_get_ctx(aff2), isl_error_invalid , "second argument should be a constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3417); goto error; } while (0); | |||
3418 | ||||
3419 | if (!aff2) | |||
3420 | goto error; | |||
3421 | ||||
3422 | neg = isl_int_is_neg(aff2->v->el[1])(isl_sioimath_sgn(*(aff2->v->el[1])) < 0); | |||
3423 | if (neg) { | |||
3424 | isl_int_neg(aff2->v->el[0], aff2->v->el[0])isl_sioimath_neg((aff2->v->el[0]), *(aff2->v->el[ 0])); | |||
3425 | isl_int_neg(aff2->v->el[1], aff2->v->el[1])isl_sioimath_neg((aff2->v->el[1]), *(aff2->v->el[ 1])); | |||
3426 | } | |||
3427 | ||||
3428 | aff1 = isl_aff_scale(aff1, aff2->v->el[0]); | |||
3429 | aff1 = isl_aff_scale_down(aff1, aff2->v->el[1]); | |||
3430 | ||||
3431 | if (neg) { | |||
3432 | isl_int_neg(aff2->v->el[0], aff2->v->el[0])isl_sioimath_neg((aff2->v->el[0]), *(aff2->v->el[ 0])); | |||
3433 | isl_int_neg(aff2->v->el[1], aff2->v->el[1])isl_sioimath_neg((aff2->v->el[1]), *(aff2->v->el[ 1])); | |||
3434 | } | |||
3435 | ||||
3436 | isl_aff_free(aff2); | |||
3437 | return aff1; | |||
3438 | error: | |||
3439 | isl_aff_free(aff1); | |||
3440 | isl_aff_free(aff2); | |||
3441 | return NULL((void*)0); | |||
3442 | } | |||
3443 | ||||
3444 | static __isl_give isl_pw_aff *pw_aff_add(__isl_take isl_pw_aff *pwaff1, | |||
3445 | __isl_take isl_pw_aff *pwaff2) | |||
3446 | { | |||
3447 | return isl_pw_aff_on_shared_domain(pwaff1, pwaff2, &isl_aff_add); | |||
3448 | } | |||
3449 | ||||
3450 | __isl_give isl_pw_aff *isl_pw_aff_add(__isl_take isl_pw_aff *pwaff1, | |||
3451 | __isl_take isl_pw_aff *pwaff2) | |||
3452 | { | |||
3453 | return isl_pw_aff_align_params_pw_pw_and(pwaff1, pwaff2, &pw_aff_add); | |||
3454 | } | |||
3455 | ||||
3456 | __isl_give isl_pw_aff *isl_pw_aff_union_add(__isl_take isl_pw_aff *pwaff1, | |||
3457 | __isl_take isl_pw_aff *pwaff2) | |||
3458 | { | |||
3459 | return isl_pw_aff_union_add_(pwaff1, pwaff2); | |||
3460 | } | |||
3461 | ||||
3462 | static __isl_give isl_pw_aff *pw_aff_mul(__isl_take isl_pw_aff *pwaff1, | |||
3463 | __isl_take isl_pw_aff *pwaff2) | |||
3464 | { | |||
3465 | return isl_pw_aff_on_shared_domain(pwaff1, pwaff2, &isl_aff_mul); | |||
3466 | } | |||
3467 | ||||
3468 | __isl_give isl_pw_aff *isl_pw_aff_mul(__isl_take isl_pw_aff *pwaff1, | |||
3469 | __isl_take isl_pw_aff *pwaff2) | |||
3470 | { | |||
3471 | return isl_pw_aff_align_params_pw_pw_and(pwaff1, pwaff2, &pw_aff_mul); | |||
3472 | } | |||
3473 | ||||
3474 | static __isl_give isl_pw_aff *pw_aff_div(__isl_take isl_pw_aff *pa1, | |||
3475 | __isl_take isl_pw_aff *pa2) | |||
3476 | { | |||
3477 | return isl_pw_aff_on_shared_domain(pa1, pa2, &isl_aff_div); | |||
3478 | } | |||
3479 | ||||
3480 | /* Divide "pa1" by "pa2", assuming "pa2" is a piecewise constant. | |||
3481 | */ | |||
3482 | __isl_give isl_pw_aff *isl_pw_aff_div(__isl_take isl_pw_aff *pa1, | |||
3483 | __isl_take isl_pw_aff *pa2) | |||
3484 | { | |||
3485 | int is_cst; | |||
3486 | ||||
3487 | is_cst = isl_pw_aff_is_cst(pa2); | |||
3488 | if (is_cst < 0) | |||
3489 | goto error; | |||
3490 | if (!is_cst) | |||
3491 | isl_die(isl_pw_aff_get_ctx(pa2), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3493); goto error; } while (0) | |||
3492 | "second argument should be a piecewise constant",do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3493); goto error; } while (0) | |||
3493 | goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3493); goto error; } while (0); | |||
3494 | return isl_pw_aff_align_params_pw_pw_and(pa1, pa2, &pw_aff_div); | |||
3495 | error: | |||
3496 | isl_pw_aff_free(pa1); | |||
3497 | isl_pw_aff_free(pa2); | |||
3498 | return NULL((void*)0); | |||
3499 | } | |||
3500 | ||||
3501 | /* Compute the quotient of the integer division of "pa1" by "pa2" | |||
3502 | * with rounding towards zero. | |||
3503 | * "pa2" is assumed to be a piecewise constant. | |||
3504 | * | |||
3505 | * In particular, return | |||
3506 | * | |||
3507 | * pa1 >= 0 ? floor(pa1/pa2) : ceil(pa1/pa2) | |||
3508 | * | |||
3509 | */ | |||
3510 | __isl_give isl_pw_aff *isl_pw_aff_tdiv_q(__isl_take isl_pw_aff *pa1, | |||
3511 | __isl_take isl_pw_aff *pa2) | |||
3512 | { | |||
3513 | int is_cst; | |||
3514 | isl_setisl_map *cond; | |||
3515 | isl_pw_aff *f, *c; | |||
3516 | ||||
3517 | is_cst = isl_pw_aff_is_cst(pa2); | |||
3518 | if (is_cst < 0) | |||
3519 | goto error; | |||
3520 | if (!is_cst) | |||
3521 | isl_die(isl_pw_aff_get_ctx(pa2), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3523); goto error; } while (0) | |||
3522 | "second argument should be a piecewise constant",do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3523); goto error; } while (0) | |||
3523 | goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3523); goto error; } while (0); | |||
3524 | ||||
3525 | pa1 = isl_pw_aff_div(pa1, pa2); | |||
3526 | ||||
3527 | cond = isl_pw_aff_nonneg_set(isl_pw_aff_copy(pa1)); | |||
3528 | f = isl_pw_aff_floor(isl_pw_aff_copy(pa1)); | |||
3529 | c = isl_pw_aff_ceil(pa1); | |||
3530 | return isl_pw_aff_cond(isl_set_indicator_function(cond), f, c); | |||
3531 | error: | |||
3532 | isl_pw_aff_free(pa1); | |||
3533 | isl_pw_aff_free(pa2); | |||
3534 | return NULL((void*)0); | |||
3535 | } | |||
3536 | ||||
3537 | /* Compute the remainder of the integer division of "pa1" by "pa2" | |||
3538 | * with rounding towards zero. | |||
3539 | * "pa2" is assumed to be a piecewise constant. | |||
3540 | * | |||
3541 | * In particular, return | |||
3542 | * | |||
3543 | * pa1 - pa2 * (pa1 >= 0 ? floor(pa1/pa2) : ceil(pa1/pa2)) | |||
3544 | * | |||
3545 | */ | |||
3546 | __isl_give isl_pw_aff *isl_pw_aff_tdiv_r(__isl_take isl_pw_aff *pa1, | |||
3547 | __isl_take isl_pw_aff *pa2) | |||
3548 | { | |||
3549 | int is_cst; | |||
3550 | isl_pw_aff *res; | |||
3551 | ||||
3552 | is_cst = isl_pw_aff_is_cst(pa2); | |||
3553 | if (is_cst < 0) | |||
3554 | goto error; | |||
3555 | if (!is_cst) | |||
3556 | isl_die(isl_pw_aff_get_ctx(pa2), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3558); goto error; } while (0) | |||
3557 | "second argument should be a piecewise constant",do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3558); goto error; } while (0) | |||
3558 | goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa2), isl_error_invalid , "second argument should be a piecewise constant", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3558); goto error; } while (0); | |||
3559 | res = isl_pw_aff_tdiv_q(isl_pw_aff_copy(pa1), isl_pw_aff_copy(pa2)); | |||
3560 | res = isl_pw_aff_mul(pa2, res); | |||
3561 | res = isl_pw_aff_sub(pa1, res); | |||
3562 | return res; | |||
3563 | error: | |||
3564 | isl_pw_aff_free(pa1); | |||
3565 | isl_pw_aff_free(pa2); | |||
3566 | return NULL((void*)0); | |||
3567 | } | |||
3568 | ||||
3569 | /* Does either of "pa1" or "pa2" involve any NaN2? | |||
3570 | */ | |||
3571 | static isl_bool either_involves_nan(__isl_keep isl_pw_aff *pa1, | |||
3572 | __isl_keep isl_pw_aff *pa2) | |||
3573 | { | |||
3574 | isl_bool has_nan; | |||
3575 | ||||
3576 | has_nan = isl_pw_aff_involves_nan(pa1); | |||
3577 | if (has_nan < 0 || has_nan) | |||
3578 | return has_nan; | |||
3579 | return isl_pw_aff_involves_nan(pa2); | |||
3580 | } | |||
3581 | ||||
3582 | /* Replace "pa1" and "pa2" (at least one of which involves a NaN) | |||
3583 | * by a NaN on their shared domain. | |||
3584 | * | |||
3585 | * In principle, the result could be refined to only being NaN | |||
3586 | * on the parts of this domain where at least one of "pa1" or "pa2" is NaN. | |||
3587 | */ | |||
3588 | static __isl_give isl_pw_aff *replace_by_nan(__isl_take isl_pw_aff *pa1, | |||
3589 | __isl_take isl_pw_aff *pa2) | |||
3590 | { | |||
3591 | isl_local_space *ls; | |||
3592 | isl_setisl_map *dom; | |||
3593 | isl_pw_aff *pa; | |||
3594 | ||||
3595 | dom = isl_set_intersect(isl_pw_aff_domain(pa1), isl_pw_aff_domain(pa2)); | |||
3596 | ls = isl_local_space_from_space(isl_set_get_space(dom)); | |||
3597 | pa = isl_pw_aff_nan_on_domain(ls); | |||
3598 | pa = isl_pw_aff_intersect_domain(pa, dom); | |||
3599 | ||||
3600 | return pa; | |||
3601 | } | |||
3602 | ||||
3603 | static __isl_give isl_pw_aff *pw_aff_min(__isl_take isl_pw_aff *pwaff1, | |||
3604 | __isl_take isl_pw_aff *pwaff2) | |||
3605 | { | |||
3606 | isl_setisl_map *le; | |||
3607 | isl_setisl_map *dom; | |||
3608 | ||||
3609 | dom = isl_set_intersect(isl_pw_aff_domain(isl_pw_aff_copy(pwaff1)), | |||
3610 | isl_pw_aff_domain(isl_pw_aff_copy(pwaff2))); | |||
3611 | le = isl_pw_aff_le_set(isl_pw_aff_copy(pwaff1), | |||
3612 | isl_pw_aff_copy(pwaff2)); | |||
3613 | dom = isl_set_subtract(dom, isl_set_copy(le)); | |||
3614 | return isl_pw_aff_select(le, pwaff1, dom, pwaff2); | |||
3615 | } | |||
3616 | ||||
3617 | static __isl_give isl_pw_aff *pw_aff_max(__isl_take isl_pw_aff *pwaff1, | |||
3618 | __isl_take isl_pw_aff *pwaff2) | |||
3619 | { | |||
3620 | isl_setisl_map *ge; | |||
3621 | isl_setisl_map *dom; | |||
3622 | ||||
3623 | dom = isl_set_intersect(isl_pw_aff_domain(isl_pw_aff_copy(pwaff1)), | |||
3624 | isl_pw_aff_domain(isl_pw_aff_copy(pwaff2))); | |||
3625 | ge = isl_pw_aff_ge_set(isl_pw_aff_copy(pwaff1), | |||
3626 | isl_pw_aff_copy(pwaff2)); | |||
3627 | dom = isl_set_subtract(dom, isl_set_copy(ge)); | |||
3628 | return isl_pw_aff_select(ge, pwaff1, dom, pwaff2); | |||
3629 | } | |||
3630 | ||||
3631 | /* Return an expression for the minimum (if "max" is not set) or | |||
3632 | * the maximum (if "max" is set) of "pa1" and "pa2". | |||
3633 | * If either expression involves any NaN, then return a NaN | |||
3634 | * on the shared domain as result. | |||
3635 | */ | |||
3636 | static __isl_give isl_pw_aff *pw_aff_min_max(__isl_take isl_pw_aff *pa1, | |||
3637 | __isl_take isl_pw_aff *pa2, int max) | |||
3638 | { | |||
3639 | isl_bool has_nan; | |||
3640 | ||||
3641 | has_nan = either_involves_nan(pa1, pa2); | |||
3642 | if (has_nan < 0) | |||
3643 | pa1 = isl_pw_aff_free(pa1); | |||
3644 | else if (has_nan) | |||
3645 | return replace_by_nan(pa1, pa2); | |||
3646 | ||||
3647 | if (max) | |||
3648 | return isl_pw_aff_align_params_pw_pw_and(pa1, pa2, &pw_aff_max); | |||
3649 | else | |||
3650 | return isl_pw_aff_align_params_pw_pw_and(pa1, pa2, &pw_aff_min); | |||
3651 | } | |||
3652 | ||||
3653 | /* Return an expression for the minimum of "pwaff1" and "pwaff2". | |||
3654 | */ | |||
3655 | __isl_give isl_pw_aff *isl_pw_aff_min(__isl_take isl_pw_aff *pwaff1, | |||
3656 | __isl_take isl_pw_aff *pwaff2) | |||
3657 | { | |||
3658 | return pw_aff_min_max(pwaff1, pwaff2, 0); | |||
3659 | } | |||
3660 | ||||
3661 | /* Return an expression for the maximum of "pwaff1" and "pwaff2". | |||
3662 | */ | |||
3663 | __isl_give isl_pw_aff *isl_pw_aff_max(__isl_take isl_pw_aff *pwaff1, | |||
3664 | __isl_take isl_pw_aff *pwaff2) | |||
3665 | { | |||
3666 | return pw_aff_min_max(pwaff1, pwaff2, 1); | |||
3667 | } | |||
3668 | ||||
3669 | static __isl_give isl_pw_aff *pw_aff_list_reduce( | |||
3670 | __isl_take isl_pw_aff_list *list, | |||
3671 | __isl_give isl_pw_aff *(*fn)(__isl_take isl_pw_aff *pwaff1, | |||
3672 | __isl_take isl_pw_aff *pwaff2)) | |||
3673 | { | |||
3674 | int i; | |||
3675 | isl_ctx *ctx; | |||
3676 | isl_pw_aff *res; | |||
3677 | ||||
3678 | if (!list) | |||
3679 | return NULL((void*)0); | |||
3680 | ||||
3681 | ctx = isl_pw_aff_list_get_ctx(list); | |||
3682 | if (list->n < 1) | |||
3683 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "list should contain at least one element" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3684); goto error; } while (0) | |||
3684 | "list should contain at least one element", goto error)do { isl_handle_error(ctx, isl_error_invalid, "list should contain at least one element" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3684); goto error; } while (0); | |||
3685 | ||||
3686 | res = isl_pw_aff_copy(list->p[0]); | |||
3687 | for (i = 1; i < list->n; ++i) | |||
3688 | res = fn(res, isl_pw_aff_copy(list->p[i])); | |||
3689 | ||||
3690 | isl_pw_aff_list_free(list); | |||
3691 | return res; | |||
3692 | error: | |||
3693 | isl_pw_aff_list_free(list); | |||
3694 | return NULL((void*)0); | |||
3695 | } | |||
3696 | ||||
3697 | /* Return an isl_pw_aff that maps each element in the intersection of the | |||
3698 | * domains of the elements of list to the minimal corresponding affine | |||
3699 | * expression. | |||
3700 | */ | |||
3701 | __isl_give isl_pw_aff *isl_pw_aff_list_min(__isl_take isl_pw_aff_list *list) | |||
3702 | { | |||
3703 | return pw_aff_list_reduce(list, &isl_pw_aff_min); | |||
3704 | } | |||
3705 | ||||
3706 | /* Return an isl_pw_aff that maps each element in the intersection of the | |||
3707 | * domains of the elements of list to the maximal corresponding affine | |||
3708 | * expression. | |||
3709 | */ | |||
3710 | __isl_give isl_pw_aff *isl_pw_aff_list_max(__isl_take isl_pw_aff_list *list) | |||
3711 | { | |||
3712 | return pw_aff_list_reduce(list, &isl_pw_aff_max); | |||
3713 | } | |||
3714 | ||||
3715 | /* Mark the domains of "pwaff" as rational. | |||
3716 | */ | |||
3717 | __isl_give isl_pw_aff *isl_pw_aff_set_rational(__isl_take isl_pw_aff *pwaff) | |||
3718 | { | |||
3719 | int i; | |||
3720 | ||||
3721 | pwaff = isl_pw_aff_cow(pwaff); | |||
3722 | if (!pwaff) | |||
3723 | return NULL((void*)0); | |||
3724 | if (pwaff->n == 0) | |||
3725 | return pwaff; | |||
3726 | ||||
3727 | for (i = 0; i < pwaff->n; ++i) { | |||
3728 | pwaff->p[i].set = isl_set_set_rational(pwaff->p[i].set); | |||
3729 | if (!pwaff->p[i].set) | |||
3730 | return isl_pw_aff_free(pwaff); | |||
3731 | } | |||
3732 | ||||
3733 | return pwaff; | |||
3734 | } | |||
3735 | ||||
3736 | /* Mark the domains of the elements of "list" as rational. | |||
3737 | */ | |||
3738 | __isl_give isl_pw_aff_list *isl_pw_aff_list_set_rational( | |||
3739 | __isl_take isl_pw_aff_list *list) | |||
3740 | { | |||
3741 | int i, n; | |||
3742 | ||||
3743 | if (!list) | |||
3744 | return NULL((void*)0); | |||
3745 | if (list->n == 0) | |||
3746 | return list; | |||
3747 | ||||
3748 | n = list->n; | |||
3749 | for (i = 0; i < n; ++i) { | |||
3750 | isl_pw_aff *pa; | |||
3751 | ||||
3752 | pa = isl_pw_aff_list_get_pw_aff(list, i); | |||
3753 | pa = isl_pw_aff_set_rational(pa); | |||
3754 | list = isl_pw_aff_list_set_pw_aff(list, i, pa); | |||
3755 | } | |||
3756 | ||||
3757 | return list; | |||
3758 | } | |||
3759 | ||||
3760 | /* Do the parameters of "aff" match those of "space"? | |||
3761 | */ | |||
3762 | isl_bool isl_aff_matching_params(__isl_keep isl_aff *aff, | |||
3763 | __isl_keep isl_space *space) | |||
3764 | { | |||
3765 | isl_space *aff_space; | |||
3766 | isl_bool match; | |||
3767 | ||||
3768 | if (!aff || !space) | |||
3769 | return isl_bool_error; | |||
3770 | ||||
3771 | aff_space = isl_aff_get_domain_space(aff); | |||
3772 | ||||
3773 | match = isl_space_has_equal_params(space, aff_space); | |||
3774 | ||||
3775 | isl_space_free(aff_space); | |||
3776 | return match; | |||
3777 | } | |||
3778 | ||||
3779 | /* Check that the domain space of "aff" matches "space". | |||
3780 | */ | |||
3781 | isl_stat isl_aff_check_match_domain_space(__isl_keep isl_aff *aff, | |||
3782 | __isl_keep isl_space *space) | |||
3783 | { | |||
3784 | isl_space *aff_space; | |||
3785 | isl_bool match; | |||
3786 | ||||
3787 | if (!aff || !space) | |||
3788 | return isl_stat_error; | |||
3789 | ||||
3790 | aff_space = isl_aff_get_domain_space(aff); | |||
3791 | ||||
3792 | match = isl_space_has_equal_params(space, aff_space); | |||
3793 | if (match < 0) | |||
3794 | goto error; | |||
3795 | if (!match) | |||
3796 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3797); goto error; } while (0) | |||
3797 | "parameters don't match", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3797); goto error; } while (0); | |||
3798 | match = isl_space_tuple_is_equal(space, isl_dim_in, | |||
3799 | aff_space, isl_dim_set); | |||
3800 | if (match < 0) | |||
3801 | goto error; | |||
3802 | if (!match) | |||
3803 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "domains don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3804); goto error; } while (0) | |||
3804 | "domains don't match", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "domains don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3804); goto error; } while (0); | |||
3805 | isl_space_free(aff_space); | |||
3806 | return isl_stat_ok; | |||
3807 | error: | |||
3808 | isl_space_free(aff_space); | |||
3809 | return isl_stat_error; | |||
3810 | } | |||
3811 | ||||
3812 | #undef BASEunion_pw_aff | |||
3813 | #define BASEunion_pw_aff aff | |||
3814 | #undef DOMBASEunion_set | |||
3815 | #define DOMBASEunion_set set | |||
3816 | #define NO_DOMAIN | |||
3817 | ||||
3818 | #include <isl_multi_no_explicit_domain.c> | |||
3819 | #include <isl_multi_templ.c> | |||
3820 | #include <isl_multi_apply_set.c> | |||
3821 | #include <isl_multi_cmp.c> | |||
3822 | #include <isl_multi_dims.c> | |||
3823 | #include <isl_multi_floor.c> | |||
3824 | #include <isl_multi_gist.c> | |||
3825 | ||||
3826 | #undef NO_DOMAIN | |||
3827 | ||||
3828 | /* Construct an isl_multi_aff living in "space" that corresponds | |||
3829 | * to the affine transformation matrix "mat". | |||
3830 | */ | |||
3831 | __isl_give isl_multi_aff *isl_multi_aff_from_aff_mat( | |||
3832 | __isl_take isl_space *space, __isl_take isl_mat *mat) | |||
3833 | { | |||
3834 | isl_ctx *ctx; | |||
3835 | isl_local_space *ls = NULL((void*)0); | |||
3836 | isl_multi_aff *ma = NULL((void*)0); | |||
3837 | int n_row, n_col, n_out, total; | |||
3838 | int i; | |||
3839 | ||||
3840 | if (!space || !mat) | |||
3841 | goto error; | |||
3842 | ||||
3843 | ctx = isl_mat_get_ctx(mat); | |||
3844 | ||||
3845 | n_row = isl_mat_rows(mat); | |||
3846 | n_col = isl_mat_cols(mat); | |||
3847 | if (n_row < 1) | |||
3848 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "insufficient number of rows" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3849); goto error; } while (0) | |||
3849 | "insufficient number of rows", goto error)do { isl_handle_error(ctx, isl_error_invalid, "insufficient number of rows" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3849); goto error; } while (0); | |||
3850 | if (n_col < 1) | |||
3851 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "insufficient number of columns" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3852); goto error; } while (0) | |||
3852 | "insufficient number of columns", goto error)do { isl_handle_error(ctx, isl_error_invalid, "insufficient number of columns" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3852); goto error; } while (0); | |||
3853 | n_out = isl_space_dim(space, isl_dim_out); | |||
3854 | total = isl_space_dim(space, isl_dim_all); | |||
3855 | if (1 + n_out != n_row || 2 + total != n_row + n_col) | |||
3856 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "dimension mismatch" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3857); goto error; } while (0) | |||
3857 | "dimension mismatch", goto error)do { isl_handle_error(ctx, isl_error_invalid, "dimension mismatch" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3857); goto error; } while (0); | |||
3858 | ||||
3859 | ma = isl_multi_aff_zero(isl_space_copy(space)); | |||
3860 | ls = isl_local_space_from_space(isl_space_domain(space)); | |||
3861 | ||||
3862 | for (i = 0; i < n_row - 1; ++i) { | |||
3863 | isl_vec *v; | |||
3864 | isl_aff *aff; | |||
3865 | ||||
3866 | v = isl_vec_alloc(ctx, 1 + n_col); | |||
3867 | if (!v) | |||
3868 | goto error; | |||
3869 | isl_int_set(v->el[0], mat->row[0][0])isl_sioimath_set((v->el[0]), *(mat->row[0][0])); | |||
3870 | isl_seq_cpy(v->el + 1, mat->row[1 + i], n_col); | |||
3871 | v = isl_vec_normalize(v); | |||
3872 | aff = isl_aff_alloc_vec(isl_local_space_copy(ls), v); | |||
3873 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
3874 | } | |||
3875 | ||||
3876 | isl_local_space_free(ls); | |||
3877 | isl_mat_free(mat); | |||
3878 | return ma; | |||
3879 | error: | |||
3880 | isl_local_space_free(ls); | |||
3881 | isl_mat_free(mat); | |||
3882 | isl_multi_aff_free(ma); | |||
3883 | return NULL((void*)0); | |||
3884 | } | |||
3885 | ||||
3886 | /* Remove any internal structure of the domain of "ma". | |||
3887 | * If there is any such internal structure in the input, | |||
3888 | * then the name of the corresponding space is also removed. | |||
3889 | */ | |||
3890 | __isl_give isl_multi_aff *isl_multi_aff_flatten_domain( | |||
3891 | __isl_take isl_multi_aff *ma) | |||
3892 | { | |||
3893 | isl_space *space; | |||
3894 | ||||
3895 | if (!ma) | |||
3896 | return NULL((void*)0); | |||
3897 | ||||
3898 | if (!ma->space->nested[0]) | |||
3899 | return ma; | |||
3900 | ||||
3901 | space = isl_multi_aff_get_space(ma); | |||
3902 | space = isl_space_flatten_domain(space); | |||
3903 | ma = isl_multi_aff_reset_space(ma, space); | |||
3904 | ||||
3905 | return ma; | |||
3906 | } | |||
3907 | ||||
3908 | /* Given a map space, return an isl_multi_aff that maps a wrapped copy | |||
3909 | * of the space to its domain. | |||
3910 | */ | |||
3911 | __isl_give isl_multi_aff *isl_multi_aff_domain_map(__isl_take isl_space *space) | |||
3912 | { | |||
3913 | int i, n_in; | |||
3914 | isl_local_space *ls; | |||
3915 | isl_multi_aff *ma; | |||
3916 | ||||
3917 | if (!space) | |||
3918 | return NULL((void*)0); | |||
3919 | if (!isl_space_is_map(space)) | |||
3920 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "not a map space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3921); goto error; } while (0) | |||
3921 | "not a map space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "not a map space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3921); goto error; } while (0); | |||
3922 | ||||
3923 | n_in = isl_space_dim(space, isl_dim_in); | |||
3924 | space = isl_space_domain_map(space); | |||
3925 | ||||
3926 | ma = isl_multi_aff_alloc(isl_space_copy(space)); | |||
3927 | if (n_in == 0) { | |||
3928 | isl_space_free(space); | |||
3929 | return ma; | |||
3930 | } | |||
3931 | ||||
3932 | space = isl_space_domain(space); | |||
3933 | ls = isl_local_space_from_space(space); | |||
3934 | for (i = 0; i < n_in; ++i) { | |||
3935 | isl_aff *aff; | |||
3936 | ||||
3937 | aff = isl_aff_var_on_domain(isl_local_space_copy(ls), | |||
3938 | isl_dim_set, i); | |||
3939 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
3940 | } | |||
3941 | isl_local_space_free(ls); | |||
3942 | return ma; | |||
3943 | error: | |||
3944 | isl_space_free(space); | |||
3945 | return NULL((void*)0); | |||
3946 | } | |||
3947 | ||||
3948 | /* Given a map space, return an isl_multi_aff that maps a wrapped copy | |||
3949 | * of the space to its range. | |||
3950 | */ | |||
3951 | __isl_give isl_multi_aff *isl_multi_aff_range_map(__isl_take isl_space *space) | |||
3952 | { | |||
3953 | int i, n_in, n_out; | |||
3954 | isl_local_space *ls; | |||
3955 | isl_multi_aff *ma; | |||
3956 | ||||
3957 | if (!space) | |||
3958 | return NULL((void*)0); | |||
3959 | if (!isl_space_is_map(space)) | |||
3960 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "not a map space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3961); goto error; } while (0) | |||
3961 | "not a map space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "not a map space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 3961); goto error; } while (0); | |||
3962 | ||||
3963 | n_in = isl_space_dim(space, isl_dim_in); | |||
3964 | n_out = isl_space_dim(space, isl_dim_out); | |||
3965 | space = isl_space_range_map(space); | |||
3966 | ||||
3967 | ma = isl_multi_aff_alloc(isl_space_copy(space)); | |||
3968 | if (n_out == 0) { | |||
3969 | isl_space_free(space); | |||
3970 | return ma; | |||
3971 | } | |||
3972 | ||||
3973 | space = isl_space_domain(space); | |||
3974 | ls = isl_local_space_from_space(space); | |||
3975 | for (i = 0; i < n_out; ++i) { | |||
3976 | isl_aff *aff; | |||
3977 | ||||
3978 | aff = isl_aff_var_on_domain(isl_local_space_copy(ls), | |||
3979 | isl_dim_set, n_in + i); | |||
3980 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
3981 | } | |||
3982 | isl_local_space_free(ls); | |||
3983 | return ma; | |||
3984 | error: | |||
3985 | isl_space_free(space); | |||
3986 | return NULL((void*)0); | |||
3987 | } | |||
3988 | ||||
3989 | /* Given a map space, return an isl_pw_multi_aff that maps a wrapped copy | |||
3990 | * of the space to its range. | |||
3991 | */ | |||
3992 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_range_map( | |||
3993 | __isl_take isl_space *space) | |||
3994 | { | |||
3995 | return isl_pw_multi_aff_from_multi_aff(isl_multi_aff_range_map(space)); | |||
3996 | } | |||
3997 | ||||
3998 | /* Given the space of a set and a range of set dimensions, | |||
3999 | * construct an isl_multi_aff that projects out those dimensions. | |||
4000 | */ | |||
4001 | __isl_give isl_multi_aff *isl_multi_aff_project_out_map( | |||
4002 | __isl_take isl_space *space, enum isl_dim_type type, | |||
4003 | unsigned first, unsigned n) | |||
4004 | { | |||
4005 | int i, dim; | |||
4006 | isl_local_space *ls; | |||
4007 | isl_multi_aff *ma; | |||
4008 | ||||
4009 | if (!space) | |||
4010 | return NULL((void*)0); | |||
4011 | if (!isl_space_is_set(space)) | |||
4012 | isl_die(isl_space_get_ctx(space), isl_error_unsupported,do { isl_handle_error(isl_space_get_ctx(space), isl_error_unsupported , "expecting set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4013); goto error; } while (0) | |||
4013 | "expecting set space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_unsupported , "expecting set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4013); goto error; } while (0); | |||
4014 | if (type != isl_dim_set) | |||
4015 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "only set dimensions can be projected out", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4016); goto error; } while (0) | |||
4016 | "only set dimensions can be projected out", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "only set dimensions can be projected out", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4016); goto error; } while (0); | |||
4017 | ||||
4018 | dim = isl_space_dim(space, isl_dim_set); | |||
4019 | if (first + n > dim) | |||
4020 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "range out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4021); goto error; } while (0) | |||
4021 | "range out of bounds", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "range out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4021); goto error; } while (0); | |||
4022 | ||||
4023 | space = isl_space_from_domain(space); | |||
4024 | space = isl_space_add_dims(space, isl_dim_out, dim - n); | |||
4025 | ||||
4026 | if (dim == n) | |||
4027 | return isl_multi_aff_alloc(space); | |||
4028 | ||||
4029 | ma = isl_multi_aff_alloc(isl_space_copy(space)); | |||
4030 | space = isl_space_domain(space); | |||
4031 | ls = isl_local_space_from_space(space); | |||
4032 | ||||
4033 | for (i = 0; i < first; ++i) { | |||
4034 | isl_aff *aff; | |||
4035 | ||||
4036 | aff = isl_aff_var_on_domain(isl_local_space_copy(ls), | |||
4037 | isl_dim_set, i); | |||
4038 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
4039 | } | |||
4040 | ||||
4041 | for (i = 0; i < dim - (first + n); ++i) { | |||
4042 | isl_aff *aff; | |||
4043 | ||||
4044 | aff = isl_aff_var_on_domain(isl_local_space_copy(ls), | |||
4045 | isl_dim_set, first + n + i); | |||
4046 | ma = isl_multi_aff_set_aff(ma, first + i, aff); | |||
4047 | } | |||
4048 | ||||
4049 | isl_local_space_free(ls); | |||
4050 | return ma; | |||
4051 | error: | |||
4052 | isl_space_free(space); | |||
4053 | return NULL((void*)0); | |||
4054 | } | |||
4055 | ||||
4056 | /* Given the space of a set and a range of set dimensions, | |||
4057 | * construct an isl_pw_multi_aff that projects out those dimensions. | |||
4058 | */ | |||
4059 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_project_out_map( | |||
4060 | __isl_take isl_space *space, enum isl_dim_type type, | |||
4061 | unsigned first, unsigned n) | |||
4062 | { | |||
4063 | isl_multi_aff *ma; | |||
4064 | ||||
4065 | ma = isl_multi_aff_project_out_map(space, type, first, n); | |||
4066 | return isl_pw_multi_aff_from_multi_aff(ma); | |||
4067 | } | |||
4068 | ||||
4069 | /* Create an isl_pw_multi_aff with the given isl_multi_aff on a universe | |||
4070 | * domain. | |||
4071 | */ | |||
4072 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_multi_aff( | |||
4073 | __isl_take isl_multi_aff *ma) | |||
4074 | { | |||
4075 | isl_setisl_map *dom = isl_set_universe(isl_multi_aff_get_domain_space(ma)); | |||
4076 | return isl_pw_multi_aff_alloc(dom, ma); | |||
4077 | } | |||
4078 | ||||
4079 | /* Create a piecewise multi-affine expression in the given space that maps each | |||
4080 | * input dimension to the corresponding output dimension. | |||
4081 | */ | |||
4082 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_identity( | |||
4083 | __isl_take isl_space *space) | |||
4084 | { | |||
4085 | return isl_pw_multi_aff_from_multi_aff(isl_multi_aff_identity(space)); | |||
4086 | } | |||
4087 | ||||
4088 | /* Exploit the equalities in "eq" to simplify the affine expressions. | |||
4089 | */ | |||
4090 | static __isl_give isl_multi_aff *isl_multi_aff_substitute_equalities( | |||
4091 | __isl_take isl_multi_aff *maff, __isl_take isl_basic_setisl_basic_map *eq) | |||
4092 | { | |||
4093 | int i; | |||
4094 | ||||
4095 | maff = isl_multi_aff_cow(maff); | |||
4096 | if (!maff || !eq) | |||
4097 | goto error; | |||
4098 | ||||
4099 | for (i = 0; i < maff->n; ++i) { | |||
4100 | maff->u.p[i] = isl_aff_substitute_equalities(maff->u.p[i], | |||
4101 | isl_basic_set_copy(eq)); | |||
4102 | if (!maff->u.p[i]) | |||
4103 | goto error; | |||
4104 | } | |||
4105 | ||||
4106 | isl_basic_set_free(eq); | |||
4107 | return maff; | |||
4108 | error: | |||
4109 | isl_basic_set_free(eq); | |||
4110 | isl_multi_aff_free(maff); | |||
4111 | return NULL((void*)0); | |||
4112 | } | |||
4113 | ||||
4114 | __isl_give isl_multi_aff *isl_multi_aff_scale(__isl_take isl_multi_aff *maff, | |||
4115 | isl_int f) | |||
4116 | { | |||
4117 | int i; | |||
4118 | ||||
4119 | maff = isl_multi_aff_cow(maff); | |||
4120 | if (!maff) | |||
4121 | return NULL((void*)0); | |||
4122 | ||||
4123 | for (i = 0; i < maff->n; ++i) { | |||
4124 | maff->u.p[i] = isl_aff_scale(maff->u.p[i], f); | |||
4125 | if (!maff->u.p[i]) | |||
4126 | return isl_multi_aff_free(maff); | |||
4127 | } | |||
4128 | ||||
4129 | return maff; | |||
4130 | } | |||
4131 | ||||
4132 | __isl_give isl_multi_aff *isl_multi_aff_add_on_domain(__isl_keep isl_setisl_map *dom, | |||
4133 | __isl_take isl_multi_aff *maff1, __isl_take isl_multi_aff *maff2) | |||
4134 | { | |||
4135 | maff1 = isl_multi_aff_add(maff1, maff2); | |||
4136 | maff1 = isl_multi_aff_gist(maff1, isl_set_copy(dom)); | |||
4137 | return maff1; | |||
4138 | } | |||
4139 | ||||
4140 | int isl_multi_aff_is_empty(__isl_keep isl_multi_aff *maff) | |||
4141 | { | |||
4142 | if (!maff) | |||
4143 | return -1; | |||
4144 | ||||
4145 | return 0; | |||
4146 | } | |||
4147 | ||||
4148 | /* Return the set of domain elements where "ma1" is lexicographically | |||
4149 | * smaller than or equal to "ma2". | |||
4150 | */ | |||
4151 | __isl_give isl_setisl_map *isl_multi_aff_lex_le_set(__isl_take isl_multi_aff *ma1, | |||
4152 | __isl_take isl_multi_aff *ma2) | |||
4153 | { | |||
4154 | return isl_multi_aff_lex_ge_set(ma2, ma1); | |||
4155 | } | |||
4156 | ||||
4157 | /* Return the set of domain elements where "ma1" is lexicographically | |||
4158 | * smaller than "ma2". | |||
4159 | */ | |||
4160 | __isl_give isl_setisl_map *isl_multi_aff_lex_lt_set(__isl_take isl_multi_aff *ma1, | |||
4161 | __isl_take isl_multi_aff *ma2) | |||
4162 | { | |||
4163 | return isl_multi_aff_lex_gt_set(ma2, ma1); | |||
4164 | } | |||
4165 | ||||
4166 | /* Return the set of domain elements where "ma1" and "ma2" | |||
4167 | * satisfy "order". | |||
4168 | */ | |||
4169 | static __isl_give isl_setisl_map *isl_multi_aff_order_set( | |||
4170 | __isl_take isl_multi_aff *ma1, __isl_take isl_multi_aff *ma2, | |||
4171 | __isl_give isl_map *order(__isl_take isl_space *set_space)) | |||
4172 | { | |||
4173 | isl_space *space; | |||
4174 | isl_map *map1, *map2; | |||
4175 | isl_map *map, *ge; | |||
4176 | ||||
4177 | map1 = isl_map_from_multi_aff_internal(ma1); | |||
4178 | map2 = isl_map_from_multi_aff_internal(ma2); | |||
4179 | map = isl_map_range_product(map1, map2); | |||
4180 | space = isl_space_range(isl_map_get_space(map)); | |||
4181 | space = isl_space_domain(isl_space_unwrap(space)); | |||
4182 | ge = order(space); | |||
4183 | map = isl_map_intersect_range(map, isl_map_wrap(ge)); | |||
4184 | ||||
4185 | return isl_map_domain(map); | |||
4186 | } | |||
4187 | ||||
4188 | /* Return the set of domain elements where "ma1" is lexicographically | |||
4189 | * greater than or equal to "ma2". | |||
4190 | */ | |||
4191 | __isl_give isl_setisl_map *isl_multi_aff_lex_ge_set(__isl_take isl_multi_aff *ma1, | |||
4192 | __isl_take isl_multi_aff *ma2) | |||
4193 | { | |||
4194 | return isl_multi_aff_order_set(ma1, ma2, &isl_map_lex_ge); | |||
4195 | } | |||
4196 | ||||
4197 | /* Return the set of domain elements where "ma1" is lexicographically | |||
4198 | * greater than "ma2". | |||
4199 | */ | |||
4200 | __isl_give isl_setisl_map *isl_multi_aff_lex_gt_set(__isl_take isl_multi_aff *ma1, | |||
4201 | __isl_take isl_multi_aff *ma2) | |||
4202 | { | |||
4203 | return isl_multi_aff_order_set(ma1, ma2, &isl_map_lex_gt); | |||
4204 | } | |||
4205 | ||||
4206 | #undef PWisl_pw_multi_aff | |||
4207 | #define PWisl_pw_multi_aff isl_pw_multi_aff | |||
4208 | #undef ELisl_union_pw_aff | |||
4209 | #define ELisl_union_pw_aff isl_multi_aff | |||
4210 | #undef EL_IS_ZEROis_empty | |||
4211 | #define EL_IS_ZEROis_empty is_empty | |||
4212 | #undef ZEROempty | |||
4213 | #define ZEROempty empty | |||
4214 | #undef IS_ZEROis_empty | |||
4215 | #define IS_ZEROis_empty is_empty | |||
4216 | #undef FIELDmaff | |||
4217 | #define FIELDmaff maff | |||
4218 | #undef DEFAULT_IS_ZERO0 | |||
4219 | #define DEFAULT_IS_ZERO0 0 | |||
4220 | ||||
4221 | #define NO_SUB | |||
4222 | #define NO_OPT | |||
4223 | #define NO_INSERT_DIMS | |||
4224 | #define NO_LIFT | |||
4225 | #define NO_MORPH | |||
4226 | ||||
4227 | #include <isl_pw_templ.c> | |||
4228 | #include <isl_pw_union_opt.c> | |||
4229 | ||||
4230 | #undef NO_SUB | |||
4231 | ||||
4232 | #undef BASEunion_pw_aff | |||
4233 | #define BASEunion_pw_aff pw_multi_aff | |||
4234 | ||||
4235 | #include <isl_union_multi.c> | |||
4236 | #include <isl_union_neg.c> | |||
4237 | ||||
4238 | static __isl_give isl_pw_multi_aff *pw_multi_aff_union_lexmax( | |||
4239 | __isl_take isl_pw_multi_aff *pma1, | |||
4240 | __isl_take isl_pw_multi_aff *pma2) | |||
4241 | { | |||
4242 | return isl_pw_multi_aff_union_opt_cmp(pma1, pma2, | |||
4243 | &isl_multi_aff_lex_ge_set); | |||
4244 | } | |||
4245 | ||||
4246 | /* Given two piecewise multi affine expressions, return a piecewise | |||
4247 | * multi-affine expression defined on the union of the definition domains | |||
4248 | * of the inputs that is equal to the lexicographic maximum of the two | |||
4249 | * inputs on each cell. If only one of the two inputs is defined on | |||
4250 | * a given cell, then it is considered to be the maximum. | |||
4251 | */ | |||
4252 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_union_lexmax( | |||
4253 | __isl_take isl_pw_multi_aff *pma1, | |||
4254 | __isl_take isl_pw_multi_aff *pma2) | |||
4255 | { | |||
4256 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
4257 | &pw_multi_aff_union_lexmax); | |||
4258 | } | |||
4259 | ||||
4260 | static __isl_give isl_pw_multi_aff *pw_multi_aff_union_lexmin( | |||
4261 | __isl_take isl_pw_multi_aff *pma1, | |||
4262 | __isl_take isl_pw_multi_aff *pma2) | |||
4263 | { | |||
4264 | return isl_pw_multi_aff_union_opt_cmp(pma1, pma2, | |||
4265 | &isl_multi_aff_lex_le_set); | |||
4266 | } | |||
4267 | ||||
4268 | /* Given two piecewise multi affine expressions, return a piecewise | |||
4269 | * multi-affine expression defined on the union of the definition domains | |||
4270 | * of the inputs that is equal to the lexicographic minimum of the two | |||
4271 | * inputs on each cell. If only one of the two inputs is defined on | |||
4272 | * a given cell, then it is considered to be the minimum. | |||
4273 | */ | |||
4274 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_union_lexmin( | |||
4275 | __isl_take isl_pw_multi_aff *pma1, | |||
4276 | __isl_take isl_pw_multi_aff *pma2) | |||
4277 | { | |||
4278 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
4279 | &pw_multi_aff_union_lexmin); | |||
4280 | } | |||
4281 | ||||
4282 | static __isl_give isl_pw_multi_aff *pw_multi_aff_add( | |||
4283 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4284 | { | |||
4285 | return isl_pw_multi_aff_on_shared_domain(pma1, pma2, | |||
4286 | &isl_multi_aff_add); | |||
4287 | } | |||
4288 | ||||
4289 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_add( | |||
4290 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4291 | { | |||
4292 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
4293 | &pw_multi_aff_add); | |||
4294 | } | |||
4295 | ||||
4296 | static __isl_give isl_pw_multi_aff *pw_multi_aff_sub( | |||
4297 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4298 | { | |||
4299 | return isl_pw_multi_aff_on_shared_domain(pma1, pma2, | |||
4300 | &isl_multi_aff_sub); | |||
4301 | } | |||
4302 | ||||
4303 | /* Subtract "pma2" from "pma1" and return the result. | |||
4304 | */ | |||
4305 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_sub( | |||
4306 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4307 | { | |||
4308 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
4309 | &pw_multi_aff_sub); | |||
4310 | } | |||
4311 | ||||
4312 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_union_add( | |||
4313 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4314 | { | |||
4315 | return isl_pw_multi_aff_union_add_(pma1, pma2); | |||
4316 | } | |||
4317 | ||||
4318 | /* Compute the sum of "upa1" and "upa2" on the union of their domains, | |||
4319 | * with the actual sum on the shared domain and | |||
4320 | * the defined expression on the symmetric difference of the domains. | |||
4321 | */ | |||
4322 | __isl_give isl_union_pw_aff *isl_union_pw_aff_union_add( | |||
4323 | __isl_take isl_union_pw_aff *upa1, __isl_take isl_union_pw_aff *upa2) | |||
4324 | { | |||
4325 | return isl_union_pw_aff_union_add_(upa1, upa2); | |||
4326 | } | |||
4327 | ||||
4328 | /* Compute the sum of "upma1" and "upma2" on the union of their domains, | |||
4329 | * with the actual sum on the shared domain and | |||
4330 | * the defined expression on the symmetric difference of the domains. | |||
4331 | */ | |||
4332 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_union_add( | |||
4333 | __isl_take isl_union_pw_multi_aff *upma1, | |||
4334 | __isl_take isl_union_pw_multi_aff *upma2) | |||
4335 | { | |||
4336 | return isl_union_pw_multi_aff_union_add_(upma1, upma2); | |||
4337 | } | |||
4338 | ||||
4339 | /* Given two piecewise multi-affine expressions A -> B and C -> D, | |||
4340 | * construct a piecewise multi-affine expression [A -> C] -> [B -> D]. | |||
4341 | */ | |||
4342 | static __isl_give isl_pw_multi_aff *pw_multi_aff_product( | |||
4343 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4344 | { | |||
4345 | int i, j, n; | |||
4346 | isl_space *space; | |||
4347 | isl_pw_multi_aff *res; | |||
4348 | ||||
4349 | if (!pma1 || !pma2) | |||
4350 | goto error; | |||
4351 | ||||
4352 | n = pma1->n * pma2->n; | |||
4353 | space = isl_space_product(isl_space_copy(pma1->dim), | |||
4354 | isl_space_copy(pma2->dim)); | |||
4355 | res = isl_pw_multi_aff_alloc_size(space, n); | |||
4356 | ||||
4357 | for (i = 0; i < pma1->n; ++i) { | |||
4358 | for (j = 0; j < pma2->n; ++j) { | |||
4359 | isl_setisl_map *domain; | |||
4360 | isl_multi_aff *ma; | |||
4361 | ||||
4362 | domain = isl_set_product(isl_set_copy(pma1->p[i].set), | |||
4363 | isl_set_copy(pma2->p[j].set)); | |||
4364 | ma = isl_multi_aff_product( | |||
4365 | isl_multi_aff_copy(pma1->p[i].maff), | |||
4366 | isl_multi_aff_copy(pma2->p[j].maff)); | |||
4367 | res = isl_pw_multi_aff_add_piece(res, domain, ma); | |||
4368 | } | |||
4369 | } | |||
4370 | ||||
4371 | isl_pw_multi_aff_free(pma1); | |||
4372 | isl_pw_multi_aff_free(pma2); | |||
4373 | return res; | |||
4374 | error: | |||
4375 | isl_pw_multi_aff_free(pma1); | |||
4376 | isl_pw_multi_aff_free(pma2); | |||
4377 | return NULL((void*)0); | |||
4378 | } | |||
4379 | ||||
4380 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_product( | |||
4381 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
4382 | { | |||
4383 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
4384 | &pw_multi_aff_product); | |||
4385 | } | |||
4386 | ||||
4387 | /* Subtract the initial "n" elements in "ma" with coefficients in "c" and | |||
4388 | * denominator "denom". | |||
4389 | * "denom" is allowed to be negative, in which case the actual denominator | |||
4390 | * is -denom and the expressions are added instead. | |||
4391 | */ | |||
4392 | static __isl_give isl_aff *subtract_initial(__isl_take isl_aff *aff, | |||
4393 | __isl_keep isl_multi_aff *ma, int n, isl_int *c, isl_int denom) | |||
4394 | { | |||
4395 | int i, first; | |||
4396 | int sign; | |||
4397 | isl_int d; | |||
4398 | ||||
4399 | first = isl_seq_first_non_zero(c, n); | |||
4400 | if (first == -1) | |||
4401 | return aff; | |||
4402 | ||||
4403 | sign = isl_int_sgn(denom)isl_sioimath_sgn(*(denom)); | |||
4404 | isl_int_init(d)isl_sioimath_init((d)); | |||
4405 | isl_int_abs(d, denom)isl_sioimath_abs((d), *(denom)); | |||
4406 | for (i = first; i < n; ++i) { | |||
4407 | isl_aff *aff_i; | |||
4408 | ||||
4409 | if (isl_int_is_zero(c[i])(isl_sioimath_sgn(*(c[i])) == 0)) | |||
4410 | continue; | |||
4411 | aff_i = isl_multi_aff_get_aff(ma, i); | |||
4412 | aff_i = isl_aff_scale(aff_i, c[i]); | |||
4413 | aff_i = isl_aff_scale_down(aff_i, d); | |||
4414 | if (sign >= 0) | |||
4415 | aff = isl_aff_sub(aff, aff_i); | |||
4416 | else | |||
4417 | aff = isl_aff_add(aff, aff_i); | |||
4418 | } | |||
4419 | isl_int_clear(d)isl_sioimath_clear((d)); | |||
4420 | ||||
4421 | return aff; | |||
4422 | } | |||
4423 | ||||
4424 | /* Extract an affine expression that expresses the output dimension "pos" | |||
4425 | * of "bmap" in terms of the parameters and input dimensions from | |||
4426 | * equality "eq". | |||
4427 | * Note that this expression may involve integer divisions defined | |||
4428 | * in terms of parameters and input dimensions. | |||
4429 | * The equality may also involve references to earlier (but not later) | |||
4430 | * output dimensions. These are replaced by the corresponding elements | |||
4431 | * in "ma". | |||
4432 | * | |||
4433 | * If the equality is of the form | |||
4434 | * | |||
4435 | * f(i) + h(j) + a x + g(i) = 0, | |||
4436 | * | |||
4437 | * with f(i) a linear combinations of the parameters and input dimensions, | |||
4438 | * g(i) a linear combination of integer divisions defined in terms of the same | |||
4439 | * and h(j) a linear combinations of earlier output dimensions, | |||
4440 | * then the affine expression is | |||
4441 | * | |||
4442 | * (-f(i) - g(i))/a - h(j)/a | |||
4443 | * | |||
4444 | * If the equality is of the form | |||
4445 | * | |||
4446 | * f(i) + h(j) - a x + g(i) = 0, | |||
4447 | * | |||
4448 | * then the affine expression is | |||
4449 | * | |||
4450 | * (f(i) + g(i))/a - h(j)/(-a) | |||
4451 | * | |||
4452 | * | |||
4453 | * If "div" refers to an integer division (i.e., it is smaller than | |||
4454 | * the number of integer divisions), then the equality constraint | |||
4455 | * does involve an integer division (the one at position "div") that | |||
4456 | * is defined in terms of output dimensions. However, this integer | |||
4457 | * division can be eliminated by exploiting a pair of constraints | |||
4458 | * x >= l and x <= l + n, with n smaller than the coefficient of "div" | |||
4459 | * in the equality constraint. "ineq" refers to inequality x >= l, i.e., | |||
4460 | * -l + x >= 0. | |||
4461 | * In particular, let | |||
4462 | * | |||
4463 | * x = e(i) + m floor(...) | |||
4464 | * | |||
4465 | * with e(i) the expression derived above and floor(...) the integer | |||
4466 | * division involving output dimensions. | |||
4467 | * From | |||
4468 | * | |||
4469 | * l <= x <= l + n, | |||
4470 | * | |||
4471 | * we have | |||
4472 | * | |||
4473 | * 0 <= x - l <= n | |||
4474 | * | |||
4475 | * This means | |||
4476 | * | |||
4477 | * e(i) + m floor(...) - l = (e(i) + m floor(...) - l) mod m | |||
4478 | * = (e(i) - l) mod m | |||
4479 | * | |||
4480 | * Therefore, | |||
4481 | * | |||
4482 | * x - l = (e(i) - l) mod m | |||
4483 | * | |||
4484 | * or | |||
4485 | * | |||
4486 | * x = ((e(i) - l) mod m) + l | |||
4487 | * | |||
4488 | * The variable "shift" below contains the expression -l, which may | |||
4489 | * also involve a linear combination of earlier output dimensions. | |||
4490 | */ | |||
4491 | static __isl_give isl_aff *extract_aff_from_equality( | |||
4492 | __isl_keep isl_basic_map *bmap, int pos, int eq, int div, int ineq, | |||
4493 | __isl_keep isl_multi_aff *ma) | |||
4494 | { | |||
4495 | unsigned o_out; | |||
4496 | unsigned n_div, n_out; | |||
4497 | isl_ctx *ctx; | |||
4498 | isl_local_space *ls; | |||
4499 | isl_aff *aff, *shift; | |||
4500 | isl_val *mod; | |||
4501 | ||||
4502 | ctx = isl_basic_map_get_ctx(bmap); | |||
4503 | ls = isl_basic_map_get_local_space(bmap); | |||
4504 | ls = isl_local_space_domain(ls); | |||
4505 | aff = isl_aff_alloc(isl_local_space_copy(ls)); | |||
4506 | if (!aff) | |||
4507 | goto error; | |||
4508 | o_out = isl_basic_map_offset(bmap, isl_dim_out); | |||
4509 | n_out = isl_basic_map_dim(bmap, isl_dim_out); | |||
4510 | n_div = isl_basic_map_dim(bmap, isl_dim_div); | |||
4511 | if (isl_int_is_neg(bmap->eq[eq][o_out + pos])(isl_sioimath_sgn(*(bmap->eq[eq][o_out + pos])) < 0)) { | |||
4512 | isl_seq_cpy(aff->v->el + 1, bmap->eq[eq], o_out); | |||
4513 | isl_seq_cpy(aff->v->el + 1 + o_out, | |||
4514 | bmap->eq[eq] + o_out + n_out, n_div); | |||
4515 | } else { | |||
4516 | isl_seq_neg(aff->v->el + 1, bmap->eq[eq], o_out); | |||
4517 | isl_seq_neg(aff->v->el + 1 + o_out, | |||
4518 | bmap->eq[eq] + o_out + n_out, n_div); | |||
4519 | } | |||
4520 | if (div < n_div) | |||
4521 | isl_int_set_si(aff->v->el[1 + o_out + div], 0)isl_sioimath_set_si((aff->v->el[1 + o_out + div]), 0); | |||
4522 | isl_int_abs(aff->v->el[0], bmap->eq[eq][o_out + pos])isl_sioimath_abs((aff->v->el[0]), *(bmap->eq[eq][o_out + pos])); | |||
4523 | aff = subtract_initial(aff, ma, pos, bmap->eq[eq] + o_out, | |||
4524 | bmap->eq[eq][o_out + pos]); | |||
4525 | if (div < n_div) { | |||
4526 | shift = isl_aff_alloc(isl_local_space_copy(ls)); | |||
4527 | if (!shift) | |||
4528 | goto error; | |||
4529 | isl_seq_cpy(shift->v->el + 1, bmap->ineq[ineq], o_out); | |||
4530 | isl_seq_cpy(shift->v->el + 1 + o_out, | |||
4531 | bmap->ineq[ineq] + o_out + n_out, n_div); | |||
4532 | isl_int_set_si(shift->v->el[0], 1)isl_sioimath_set_si((shift->v->el[0]), 1); | |||
4533 | shift = subtract_initial(shift, ma, pos, | |||
4534 | bmap->ineq[ineq] + o_out, ctx->negone); | |||
4535 | aff = isl_aff_add(aff, isl_aff_copy(shift)); | |||
4536 | mod = isl_val_int_from_isl_int(ctx, | |||
4537 | bmap->eq[eq][o_out + n_out + div]); | |||
4538 | mod = isl_val_abs(mod); | |||
4539 | aff = isl_aff_mod_val(aff, mod); | |||
4540 | aff = isl_aff_sub(aff, shift); | |||
4541 | } | |||
4542 | ||||
4543 | isl_local_space_free(ls); | |||
4544 | return aff; | |||
4545 | error: | |||
4546 | isl_local_space_free(ls); | |||
4547 | isl_aff_free(aff); | |||
4548 | return NULL((void*)0); | |||
4549 | } | |||
4550 | ||||
4551 | /* Given a basic map with output dimensions defined | |||
4552 | * in terms of the parameters input dimensions and earlier | |||
4553 | * output dimensions using an equality (and possibly a pair on inequalities), | |||
4554 | * extract an isl_aff that expresses output dimension "pos" in terms | |||
4555 | * of the parameters and input dimensions. | |||
4556 | * Note that this expression may involve integer divisions defined | |||
4557 | * in terms of parameters and input dimensions. | |||
4558 | * "ma" contains the expressions corresponding to earlier output dimensions. | |||
4559 | * | |||
4560 | * This function shares some similarities with | |||
4561 | * isl_basic_map_has_defining_equality and isl_constraint_get_bound. | |||
4562 | */ | |||
4563 | static __isl_give isl_aff *extract_isl_aff_from_basic_map( | |||
4564 | __isl_keep isl_basic_map *bmap, int pos, __isl_keep isl_multi_aff *ma) | |||
4565 | { | |||
4566 | int eq, div, ineq; | |||
4567 | isl_aff *aff; | |||
4568 | ||||
4569 | if (!bmap) | |||
4570 | return NULL((void*)0); | |||
4571 | eq = isl_basic_map_output_defining_equality(bmap, pos, &div, &ineq); | |||
4572 | if (eq >= bmap->n_eq) | |||
4573 | isl_die(isl_basic_map_get_ctx(bmap), isl_error_invalid,do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "unable to find suitable equality", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4574); return ((void*)0); } while (0) | |||
4574 | "unable to find suitable equality", return NULL)do { isl_handle_error(isl_basic_map_get_ctx(bmap), isl_error_invalid , "unable to find suitable equality", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4574); return ((void*)0); } while (0); | |||
4575 | aff = extract_aff_from_equality(bmap, pos, eq, div, ineq, ma); | |||
4576 | ||||
4577 | aff = isl_aff_remove_unused_divs(aff); | |||
4578 | return aff; | |||
4579 | } | |||
4580 | ||||
4581 | /* Given a basic map where each output dimension is defined | |||
4582 | * in terms of the parameters and input dimensions using an equality, | |||
4583 | * extract an isl_multi_aff that expresses the output dimensions in terms | |||
4584 | * of the parameters and input dimensions. | |||
4585 | */ | |||
4586 | static __isl_give isl_multi_aff *extract_isl_multi_aff_from_basic_map( | |||
4587 | __isl_take isl_basic_map *bmap) | |||
4588 | { | |||
4589 | int i; | |||
4590 | unsigned n_out; | |||
4591 | isl_multi_aff *ma; | |||
4592 | ||||
4593 | if (!bmap) | |||
4594 | return NULL((void*)0); | |||
4595 | ||||
4596 | ma = isl_multi_aff_alloc(isl_basic_map_get_space(bmap)); | |||
4597 | n_out = isl_basic_map_dim(bmap, isl_dim_out); | |||
4598 | ||||
4599 | for (i = 0; i < n_out; ++i) { | |||
4600 | isl_aff *aff; | |||
4601 | ||||
4602 | aff = extract_isl_aff_from_basic_map(bmap, i, ma); | |||
4603 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
4604 | } | |||
4605 | ||||
4606 | isl_basic_map_free(bmap); | |||
4607 | ||||
4608 | return ma; | |||
4609 | } | |||
4610 | ||||
4611 | /* Given a basic set where each set dimension is defined | |||
4612 | * in terms of the parameters using an equality, | |||
4613 | * extract an isl_multi_aff that expresses the set dimensions in terms | |||
4614 | * of the parameters. | |||
4615 | */ | |||
4616 | __isl_give isl_multi_aff *isl_multi_aff_from_basic_set_equalities( | |||
4617 | __isl_take isl_basic_setisl_basic_map *bset) | |||
4618 | { | |||
4619 | return extract_isl_multi_aff_from_basic_map(bset); | |||
4620 | } | |||
4621 | ||||
4622 | /* Create an isl_pw_multi_aff that is equivalent to | |||
4623 | * isl_map_intersect_domain(isl_map_from_basic_map(bmap), domain). | |||
4624 | * The given basic map is such that each output dimension is defined | |||
4625 | * in terms of the parameters and input dimensions using an equality. | |||
4626 | * | |||
4627 | * Since some applications expect the result of isl_pw_multi_aff_from_map | |||
4628 | * to only contain integer affine expressions, we compute the floor | |||
4629 | * of the expression before returning. | |||
4630 | * | |||
4631 | * Remove all constraints involving local variables without | |||
4632 | * an explicit representation (resulting in the removal of those | |||
4633 | * local variables) prior to the actual extraction to ensure | |||
4634 | * that the local spaces in which the resulting affine expressions | |||
4635 | * are created do not contain any unknown local variables. | |||
4636 | * Removing such constraints is safe because constraints involving | |||
4637 | * unknown local variables are not used to determine whether | |||
4638 | * a basic map is obviously single-valued. | |||
4639 | */ | |||
4640 | static __isl_give isl_pw_multi_aff *plain_pw_multi_aff_from_map( | |||
4641 | __isl_take isl_setisl_map *domain, __isl_take isl_basic_map *bmap) | |||
4642 | { | |||
4643 | isl_multi_aff *ma; | |||
4644 | ||||
4645 | bmap = isl_basic_map_drop_constraint_involving_unknown_divs(bmap); | |||
4646 | ma = extract_isl_multi_aff_from_basic_map(bmap); | |||
4647 | ma = isl_multi_aff_floor(ma); | |||
4648 | return isl_pw_multi_aff_alloc(domain, ma); | |||
4649 | } | |||
4650 | ||||
4651 | /* Try and create an isl_pw_multi_aff that is equivalent to the given isl_map. | |||
4652 | * This obviously only works if the input "map" is single-valued. | |||
4653 | * If so, we compute the lexicographic minimum of the image in the form | |||
4654 | * of an isl_pw_multi_aff. Since the image is unique, it is equal | |||
4655 | * to its lexicographic minimum. | |||
4656 | * If the input is not single-valued, we produce an error. | |||
4657 | */ | |||
4658 | static __isl_give isl_pw_multi_aff *pw_multi_aff_from_map_base( | |||
4659 | __isl_take isl_map *map) | |||
4660 | { | |||
4661 | int i; | |||
4662 | int sv; | |||
4663 | isl_pw_multi_aff *pma; | |||
4664 | ||||
4665 | sv = isl_map_is_single_valued(map); | |||
4666 | if (sv < 0) | |||
4667 | goto error; | |||
4668 | if (!sv) | |||
4669 | isl_die(isl_map_get_ctx(map), isl_error_invalid,do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "map is not single-valued", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4670); goto error; } while (0) | |||
4670 | "map is not single-valued", goto error)do { isl_handle_error(isl_map_get_ctx(map), isl_error_invalid , "map is not single-valued", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 4670); goto error; } while (0); | |||
4671 | map = isl_map_make_disjoint(map); | |||
4672 | if (!map) | |||
4673 | return NULL((void*)0); | |||
4674 | ||||
4675 | pma = isl_pw_multi_aff_empty(isl_map_get_space(map)); | |||
4676 | ||||
4677 | for (i = 0; i < map->n; ++i) { | |||
4678 | isl_pw_multi_aff *pma_i; | |||
4679 | isl_basic_map *bmap; | |||
4680 | bmap = isl_basic_map_copy(map->p[i]); | |||
4681 | pma_i = isl_basic_map_lexmin_pw_multi_aff(bmap); | |||
4682 | pma = isl_pw_multi_aff_add_disjoint(pma, pma_i); | |||
4683 | } | |||
4684 | ||||
4685 | isl_map_free(map); | |||
4686 | return pma; | |||
4687 | error: | |||
4688 | isl_map_free(map); | |||
4689 | return NULL((void*)0); | |||
4690 | } | |||
4691 | ||||
4692 | /* Try and create an isl_pw_multi_aff that is equivalent to the given isl_map, | |||
4693 | * taking into account that the output dimension at position "d" | |||
4694 | * can be represented as | |||
4695 | * | |||
4696 | * x = floor((e(...) + c1) / m) | |||
4697 | * | |||
4698 | * given that constraint "i" is of the form | |||
4699 | * | |||
4700 | * e(...) + c1 - m x >= 0 | |||
4701 | * | |||
4702 | * | |||
4703 | * Let "map" be of the form | |||
4704 | * | |||
4705 | * A -> B | |||
4706 | * | |||
4707 | * We construct a mapping | |||
4708 | * | |||
4709 | * A -> [A -> x = floor(...)] | |||
4710 | * | |||
4711 | * apply that to the map, obtaining | |||
4712 | * | |||
4713 | * [A -> x = floor(...)] -> B | |||
4714 | * | |||
4715 | * and equate dimension "d" to x. | |||
4716 | * We then compute a isl_pw_multi_aff representation of the resulting map | |||
4717 | * and plug in the mapping above. | |||
4718 | */ | |||
4719 | static __isl_give isl_pw_multi_aff *pw_multi_aff_from_map_div( | |||
4720 | __isl_take isl_map *map, __isl_take isl_basic_map *hull, int d, int i) | |||
4721 | { | |||
4722 | isl_ctx *ctx; | |||
4723 | isl_space *space; | |||
4724 | isl_local_space *ls; | |||
4725 | isl_multi_aff *ma; | |||
4726 | isl_aff *aff; | |||
4727 | isl_vec *v; | |||
4728 | isl_map *insert; | |||
4729 | int offset; | |||
4730 | int n; | |||
4731 | int n_in; | |||
4732 | isl_pw_multi_aff *pma; | |||
4733 | isl_bool is_set; | |||
4734 | ||||
4735 | is_set = isl_map_is_set(map); | |||
4736 | if (is_set < 0) | |||
4737 | goto error; | |||
4738 | ||||
4739 | offset = isl_basic_map_offset(hull, isl_dim_out); | |||
4740 | ctx = isl_map_get_ctx(map); | |||
4741 | space = isl_space_domain(isl_map_get_space(map)); | |||
4742 | n_in = isl_space_dim(space, isl_dim_set); | |||
4743 | n = isl_space_dim(space, isl_dim_all); | |||
4744 | ||||
4745 | v = isl_vec_alloc(ctx, 1 + 1 + n); | |||
4746 | if (v) { | |||
4747 | isl_int_neg(v->el[0], hull->ineq[i][offset + d])isl_sioimath_neg((v->el[0]), *(hull->ineq[i][offset + d ])); | |||
4748 | isl_seq_cpy(v->el + 1, hull->ineq[i], 1 + n); | |||
4749 | } | |||
4750 | isl_basic_map_free(hull); | |||
4751 | ||||
4752 | ls = isl_local_space_from_space(isl_space_copy(space)); | |||
4753 | aff = isl_aff_alloc_vec(ls, v); | |||
4754 | aff = isl_aff_floor(aff); | |||
4755 | if (is_set) { | |||
4756 | isl_space_free(space); | |||
4757 | ma = isl_multi_aff_from_aff(aff); | |||
4758 | } else { | |||
4759 | ma = isl_multi_aff_identity(isl_space_map_from_set(space)); | |||
4760 | ma = isl_multi_aff_range_product(ma, | |||
4761 | isl_multi_aff_from_aff(aff)); | |||
4762 | } | |||
4763 | ||||
4764 | insert = isl_map_from_multi_aff_internal(isl_multi_aff_copy(ma)); | |||
4765 | map = isl_map_apply_domain(map, insert); | |||
4766 | map = isl_map_equate(map, isl_dim_in, n_in, isl_dim_out, d); | |||
4767 | pma = isl_pw_multi_aff_from_map(map); | |||
4768 | pma = isl_pw_multi_aff_pullback_multi_aff(pma, ma); | |||
4769 | ||||
4770 | return pma; | |||
4771 | error: | |||
4772 | isl_map_free(map); | |||
4773 | isl_basic_map_free(hull); | |||
4774 | return NULL((void*)0); | |||
4775 | } | |||
4776 | ||||
4777 | /* Is constraint "c" of the form | |||
4778 | * | |||
4779 | * e(...) + c1 - m x >= 0 | |||
4780 | * | |||
4781 | * or | |||
4782 | * | |||
4783 | * -e(...) + c2 + m x >= 0 | |||
4784 | * | |||
4785 | * where m > 1 and e only depends on parameters and input dimemnsions? | |||
4786 | * | |||
4787 | * "offset" is the offset of the output dimensions | |||
4788 | * "pos" is the position of output dimension x. | |||
4789 | */ | |||
4790 | static int is_potential_div_constraint(isl_int *c, int offset, int d, int total) | |||
4791 | { | |||
4792 | if (isl_int_is_zero(c[offset + d])(isl_sioimath_sgn(*(c[offset + d])) == 0)) | |||
4793 | return 0; | |||
4794 | if (isl_int_is_one(c[offset + d])(isl_sioimath_cmp_si(*(c[offset + d]), 1) == 0)) | |||
4795 | return 0; | |||
4796 | if (isl_int_is_negone(c[offset + d])(isl_sioimath_cmp_si(*(c[offset + d]), -1) == 0)) | |||
4797 | return 0; | |||
4798 | if (isl_seq_first_non_zero(c + offset, d) != -1) | |||
4799 | return 0; | |||
4800 | if (isl_seq_first_non_zero(c + offset + d + 1, | |||
4801 | total - (offset + d + 1)) != -1) | |||
4802 | return 0; | |||
4803 | return 1; | |||
4804 | } | |||
4805 | ||||
4806 | /* Try and create an isl_pw_multi_aff that is equivalent to the given isl_map. | |||
4807 | * | |||
4808 | * As a special case, we first check if there is any pair of constraints, | |||
4809 | * shared by all the basic maps in "map" that force a given dimension | |||
4810 | * to be equal to the floor of some affine combination of the input dimensions. | |||
4811 | * | |||
4812 | * In particular, if we can find two constraints | |||
4813 | * | |||
4814 | * e(...) + c1 - m x >= 0 i.e., m x <= e(...) + c1 | |||
4815 | * | |||
4816 | * and | |||
4817 | * | |||
4818 | * -e(...) + c2 + m x >= 0 i.e., m x >= e(...) - c2 | |||
4819 | * | |||
4820 | * where m > 1 and e only depends on parameters and input dimemnsions, | |||
4821 | * and such that | |||
4822 | * | |||
4823 | * c1 + c2 < m i.e., -c2 >= c1 - (m - 1) | |||
4824 | * | |||
4825 | * then we know that we can take | |||
4826 | * | |||
4827 | * x = floor((e(...) + c1) / m) | |||
4828 | * | |||
4829 | * without having to perform any computation. | |||
4830 | * | |||
4831 | * Note that we know that | |||
4832 | * | |||
4833 | * c1 + c2 >= 1 | |||
4834 | * | |||
4835 | * If c1 + c2 were 0, then we would have detected an equality during | |||
4836 | * simplification. If c1 + c2 were negative, then we would have detected | |||
4837 | * a contradiction. | |||
4838 | */ | |||
4839 | static __isl_give isl_pw_multi_aff *pw_multi_aff_from_map_check_div( | |||
4840 | __isl_take isl_map *map) | |||
4841 | { | |||
4842 | int d, dim; | |||
4843 | int i, j, n; | |||
4844 | int offset, total; | |||
4845 | isl_int sum; | |||
4846 | isl_basic_map *hull; | |||
4847 | ||||
4848 | hull = isl_map_unshifted_simple_hull(isl_map_copy(map)); | |||
4849 | if (!hull) | |||
4850 | goto error; | |||
4851 | ||||
4852 | isl_int_init(sum)isl_sioimath_init((sum)); | |||
4853 | dim = isl_map_dim(map, isl_dim_out); | |||
4854 | offset = isl_basic_map_offset(hull, isl_dim_out); | |||
4855 | total = 1 + isl_basic_map_total_dim(hull); | |||
4856 | n = hull->n_ineq; | |||
4857 | for (d = 0; d < dim; ++d) { | |||
4858 | for (i = 0; i < n; ++i) { | |||
4859 | if (!is_potential_div_constraint(hull->ineq[i], | |||
4860 | offset, d, total)) | |||
4861 | continue; | |||
4862 | for (j = i + 1; j < n; ++j) { | |||
4863 | if (!isl_seq_is_neg(hull->ineq[i] + 1, | |||
4864 | hull->ineq[j] + 1, total - 1)) | |||
4865 | continue; | |||
4866 | isl_int_add(sum, hull->ineq[i][0],isl_sioimath_add((sum), *(hull->ineq[i][0]), *(hull->ineq [j][0])) | |||
4867 | hull->ineq[j][0])isl_sioimath_add((sum), *(hull->ineq[i][0]), *(hull->ineq [j][0])); | |||
4868 | if (isl_int_abs_lt(sum,(isl_sioimath_abs_cmp(*(sum), *(hull->ineq[i][offset + d]) ) < 0) | |||
4869 | hull->ineq[i][offset + d])(isl_sioimath_abs_cmp(*(sum), *(hull->ineq[i][offset + d]) ) < 0)) | |||
4870 | break; | |||
4871 | ||||
4872 | } | |||
4873 | if (j >= n) | |||
4874 | continue; | |||
4875 | isl_int_clear(sum)isl_sioimath_clear((sum)); | |||
4876 | if (isl_int_is_pos(hull->ineq[j][offset + d])(isl_sioimath_sgn(*(hull->ineq[j][offset + d])) > 0)) | |||
4877 | j = i; | |||
4878 | return pw_multi_aff_from_map_div(map, hull, d, j); | |||
4879 | } | |||
4880 | } | |||
4881 | isl_int_clear(sum)isl_sioimath_clear((sum)); | |||
4882 | isl_basic_map_free(hull); | |||
4883 | return pw_multi_aff_from_map_base(map); | |||
4884 | error: | |||
4885 | isl_map_free(map); | |||
4886 | isl_basic_map_free(hull); | |||
4887 | return NULL((void*)0); | |||
4888 | } | |||
4889 | ||||
4890 | /* Given an affine expression | |||
4891 | * | |||
4892 | * [A -> B] -> f(A,B) | |||
4893 | * | |||
4894 | * construct an isl_multi_aff | |||
4895 | * | |||
4896 | * [A -> B] -> B' | |||
4897 | * | |||
4898 | * such that dimension "d" in B' is set to "aff" and the remaining | |||
4899 | * dimensions are set equal to the corresponding dimensions in B. | |||
4900 | * "n_in" is the dimension of the space A. | |||
4901 | * "n_out" is the dimension of the space B. | |||
4902 | * | |||
4903 | * If "is_set" is set, then the affine expression is of the form | |||
4904 | * | |||
4905 | * [B] -> f(B) | |||
4906 | * | |||
4907 | * and we construct an isl_multi_aff | |||
4908 | * | |||
4909 | * B -> B' | |||
4910 | */ | |||
4911 | static __isl_give isl_multi_aff *range_map(__isl_take isl_aff *aff, int d, | |||
4912 | unsigned n_in, unsigned n_out, int is_set) | |||
4913 | { | |||
4914 | int i; | |||
4915 | isl_multi_aff *ma; | |||
4916 | isl_space *space, *space2; | |||
4917 | isl_local_space *ls; | |||
4918 | ||||
4919 | space = isl_aff_get_domain_space(aff); | |||
4920 | ls = isl_local_space_from_space(isl_space_copy(space)); | |||
4921 | space2 = isl_space_copy(space); | |||
4922 | if (!is_set) | |||
4923 | space2 = isl_space_range(isl_space_unwrap(space2)); | |||
4924 | space = isl_space_map_from_domain_and_range(space, space2); | |||
4925 | ma = isl_multi_aff_alloc(space); | |||
4926 | ma = isl_multi_aff_set_aff(ma, d, aff); | |||
4927 | ||||
4928 | for (i = 0; i < n_out; ++i) { | |||
4929 | if (i == d) | |||
4930 | continue; | |||
4931 | aff = isl_aff_var_on_domain(isl_local_space_copy(ls), | |||
4932 | isl_dim_set, n_in + i); | |||
4933 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
4934 | } | |||
4935 | ||||
4936 | isl_local_space_free(ls); | |||
4937 | ||||
4938 | return ma; | |||
4939 | } | |||
4940 | ||||
4941 | /* Try and create an isl_pw_multi_aff that is equivalent to the given isl_map, | |||
4942 | * taking into account that the dimension at position "d" can be written as | |||
4943 | * | |||
4944 | * x = m a + f(..) (1) | |||
4945 | * | |||
4946 | * where m is equal to "gcd". | |||
4947 | * "i" is the index of the equality in "hull" that defines f(..). | |||
4948 | * In particular, the equality is of the form | |||
4949 | * | |||
4950 | * f(..) - x + m g(existentials) = 0 | |||
4951 | * | |||
4952 | * or | |||
4953 | * | |||
4954 | * -f(..) + x + m g(existentials) = 0 | |||
4955 | * | |||
4956 | * We basically plug (1) into "map", resulting in a map with "a" | |||
4957 | * in the range instead of "x". The corresponding isl_pw_multi_aff | |||
4958 | * defining "a" is then plugged back into (1) to obtain a definition for "x". | |||
4959 | * | |||
4960 | * Specifically, given the input map | |||
4961 | * | |||
4962 | * A -> B | |||
4963 | * | |||
4964 | * We first wrap it into a set | |||
4965 | * | |||
4966 | * [A -> B] | |||
4967 | * | |||
4968 | * and define (1) on top of the corresponding space, resulting in "aff". | |||
4969 | * We use this to create an isl_multi_aff that maps the output position "d" | |||
4970 | * from "a" to "x", leaving all other (intput and output) dimensions unchanged. | |||
4971 | * We plug this into the wrapped map, unwrap the result and compute the | |||
4972 | * corresponding isl_pw_multi_aff. | |||
4973 | * The result is an expression | |||
4974 | * | |||
4975 | * A -> T(A) | |||
4976 | * | |||
4977 | * We adjust that to | |||
4978 | * | |||
4979 | * A -> [A -> T(A)] | |||
4980 | * | |||
4981 | * so that we can plug that into "aff", after extending the latter to | |||
4982 | * a mapping | |||
4983 | * | |||
4984 | * [A -> B] -> B' | |||
4985 | * | |||
4986 | * | |||
4987 | * If "map" is actually a set, then there is no "A" space, meaning | |||
4988 | * that we do not need to perform any wrapping, and that the result | |||
4989 | * of the recursive call is of the form | |||
4990 | * | |||
4991 | * [T] | |||
4992 | * | |||
4993 | * which is plugged into a mapping of the form | |||
4994 | * | |||
4995 | * B -> B' | |||
4996 | */ | |||
4997 | static __isl_give isl_pw_multi_aff *pw_multi_aff_from_map_stride( | |||
4998 | __isl_take isl_map *map, __isl_take isl_basic_map *hull, int d, int i, | |||
4999 | isl_int gcd) | |||
5000 | { | |||
5001 | isl_setisl_map *set; | |||
5002 | isl_space *space; | |||
5003 | isl_local_space *ls; | |||
5004 | isl_aff *aff; | |||
5005 | isl_multi_aff *ma; | |||
5006 | isl_pw_multi_aff *pma, *id; | |||
5007 | unsigned n_in; | |||
5008 | unsigned o_out; | |||
5009 | unsigned n_out; | |||
5010 | isl_bool is_set; | |||
5011 | ||||
5012 | is_set = isl_map_is_set(map); | |||
5013 | if (is_set < 0) | |||
5014 | goto error; | |||
5015 | ||||
5016 | n_in = isl_basic_map_dim(hull, isl_dim_in); | |||
5017 | n_out = isl_basic_map_dim(hull, isl_dim_out); | |||
5018 | o_out = isl_basic_map_offset(hull, isl_dim_out); | |||
5019 | ||||
5020 | if (is_set) | |||
5021 | set = map; | |||
5022 | else | |||
5023 | set = isl_map_wrap(map); | |||
5024 | space = isl_space_map_from_set(isl_set_get_space(set)); | |||
5025 | ma = isl_multi_aff_identity(space); | |||
5026 | ls = isl_local_space_from_space(isl_set_get_space(set)); | |||
5027 | aff = isl_aff_alloc(ls); | |||
5028 | if (aff) { | |||
5029 | isl_int_set_si(aff->v->el[0], 1)isl_sioimath_set_si((aff->v->el[0]), 1); | |||
5030 | if (isl_int_is_one(hull->eq[i][o_out + d])(isl_sioimath_cmp_si(*(hull->eq[i][o_out + d]), 1) == 0)) | |||
5031 | isl_seq_neg(aff->v->el + 1, hull->eq[i], | |||
5032 | aff->v->size - 1); | |||
5033 | else | |||
5034 | isl_seq_cpy(aff->v->el + 1, hull->eq[i], | |||
5035 | aff->v->size - 1); | |||
5036 | isl_int_set(aff->v->el[1 + o_out + d], gcd)isl_sioimath_set((aff->v->el[1 + o_out + d]), *(gcd)); | |||
5037 | } | |||
5038 | ma = isl_multi_aff_set_aff(ma, n_in + d, isl_aff_copy(aff)); | |||
5039 | set = isl_set_preimage_multi_aff(set, ma); | |||
5040 | ||||
5041 | ma = range_map(aff, d, n_in, n_out, is_set); | |||
5042 | ||||
5043 | if (is_set) | |||
5044 | map = set; | |||
5045 | else | |||
5046 | map = isl_set_unwrap(set); | |||
5047 | pma = isl_pw_multi_aff_from_map(map); | |||
5048 | ||||
5049 | if (!is_set) { | |||
5050 | space = isl_pw_multi_aff_get_domain_space(pma); | |||
5051 | space = isl_space_map_from_set(space); | |||
5052 | id = isl_pw_multi_aff_identity(space); | |||
5053 | pma = isl_pw_multi_aff_range_product(id, pma); | |||
5054 | } | |||
5055 | id = isl_pw_multi_aff_from_multi_aff(ma); | |||
5056 | pma = isl_pw_multi_aff_pullback_pw_multi_aff(id, pma); | |||
5057 | ||||
5058 | isl_basic_map_free(hull); | |||
5059 | return pma; | |||
5060 | error: | |||
5061 | isl_map_free(map); | |||
5062 | isl_basic_map_free(hull); | |||
5063 | return NULL((void*)0); | |||
5064 | } | |||
5065 | ||||
5066 | /* Try and create an isl_pw_multi_aff that is equivalent to the given isl_map. | |||
5067 | * "hull" contains the equalities valid for "map". | |||
5068 | * | |||
5069 | * Check if any of the output dimensions is "strided". | |||
5070 | * That is, we check if it can be written as | |||
5071 | * | |||
5072 | * x = m a + f(..) | |||
5073 | * | |||
5074 | * with m greater than 1, a some combination of existentially quantified | |||
5075 | * variables and f an expression in the parameters and input dimensions. | |||
5076 | * If so, we remove the stride in pw_multi_aff_from_map_stride. | |||
5077 | * | |||
5078 | * Otherwise, we continue with pw_multi_aff_from_map_check_div for a further | |||
5079 | * special case. | |||
5080 | */ | |||
5081 | static __isl_give isl_pw_multi_aff *pw_multi_aff_from_map_check_strides( | |||
5082 | __isl_take isl_map *map, __isl_take isl_basic_map *hull) | |||
5083 | { | |||
5084 | int i, j; | |||
5085 | unsigned n_out; | |||
5086 | unsigned o_out; | |||
5087 | unsigned n_div; | |||
5088 | unsigned o_div; | |||
5089 | isl_int gcd; | |||
5090 | ||||
5091 | n_div = isl_basic_map_dim(hull, isl_dim_div); | |||
5092 | o_div = isl_basic_map_offset(hull, isl_dim_div); | |||
5093 | ||||
5094 | if (n_div == 0) { | |||
5095 | isl_basic_map_free(hull); | |||
5096 | return pw_multi_aff_from_map_check_div(map); | |||
5097 | } | |||
5098 | ||||
5099 | isl_int_init(gcd)isl_sioimath_init((gcd)); | |||
5100 | ||||
5101 | n_out = isl_basic_map_dim(hull, isl_dim_out); | |||
5102 | o_out = isl_basic_map_offset(hull, isl_dim_out); | |||
5103 | ||||
5104 | for (i = 0; i < n_out; ++i) { | |||
5105 | for (j = 0; j < hull->n_eq; ++j) { | |||
5106 | isl_int *eq = hull->eq[j]; | |||
5107 | isl_pw_multi_aff *res; | |||
5108 | ||||
5109 | if (!isl_int_is_one(eq[o_out + i])(isl_sioimath_cmp_si(*(eq[o_out + i]), 1) == 0) && | |||
5110 | !isl_int_is_negone(eq[o_out + i])(isl_sioimath_cmp_si(*(eq[o_out + i]), -1) == 0)) | |||
5111 | continue; | |||
5112 | if (isl_seq_first_non_zero(eq + o_out, i) != -1) | |||
5113 | continue; | |||
5114 | if (isl_seq_first_non_zero(eq + o_out + i + 1, | |||
5115 | n_out - (i + 1)) != -1) | |||
5116 | continue; | |||
5117 | isl_seq_gcd(eq + o_div, n_div, &gcd); | |||
5118 | if (isl_int_is_zero(gcd)(isl_sioimath_sgn(*(gcd)) == 0)) | |||
5119 | continue; | |||
5120 | if (isl_int_is_one(gcd)(isl_sioimath_cmp_si(*(gcd), 1) == 0)) | |||
5121 | continue; | |||
5122 | ||||
5123 | res = pw_multi_aff_from_map_stride(map, hull, | |||
5124 | i, j, gcd); | |||
5125 | isl_int_clear(gcd)isl_sioimath_clear((gcd)); | |||
5126 | return res; | |||
5127 | } | |||
5128 | } | |||
5129 | ||||
5130 | isl_int_clear(gcd)isl_sioimath_clear((gcd)); | |||
5131 | isl_basic_map_free(hull); | |||
5132 | return pw_multi_aff_from_map_check_div(map); | |||
5133 | } | |||
5134 | ||||
5135 | /* Try and create an isl_pw_multi_aff that is equivalent to the given isl_map. | |||
5136 | * | |||
5137 | * As a special case, we first check if all output dimensions are uniquely | |||
5138 | * defined in terms of the parameters and input dimensions over the entire | |||
5139 | * domain. If so, we extract the desired isl_pw_multi_aff directly | |||
5140 | * from the affine hull of "map" and its domain. | |||
5141 | * | |||
5142 | * Otherwise, continue with pw_multi_aff_from_map_check_strides for more | |||
5143 | * special cases. | |||
5144 | */ | |||
5145 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_map(__isl_take isl_map *map) | |||
5146 | { | |||
5147 | isl_bool sv; | |||
5148 | isl_basic_map *hull; | |||
5149 | ||||
5150 | if (!map) | |||
5151 | return NULL((void*)0); | |||
5152 | ||||
5153 | if (isl_map_n_basic_map(map) == 1) { | |||
5154 | hull = isl_map_unshifted_simple_hull(isl_map_copy(map)); | |||
5155 | hull = isl_basic_map_plain_affine_hull(hull); | |||
5156 | sv = isl_basic_map_plain_is_single_valued(hull); | |||
5157 | if (sv >= 0 && sv) | |||
5158 | return plain_pw_multi_aff_from_map(isl_map_domain(map), | |||
5159 | hull); | |||
5160 | isl_basic_map_free(hull); | |||
5161 | } | |||
5162 | map = isl_map_detect_equalities(map); | |||
5163 | hull = isl_map_unshifted_simple_hull(isl_map_copy(map)); | |||
5164 | sv = isl_basic_map_plain_is_single_valued(hull); | |||
5165 | if (sv >= 0 && sv) | |||
5166 | return plain_pw_multi_aff_from_map(isl_map_domain(map), hull); | |||
5167 | if (sv >= 0) | |||
5168 | return pw_multi_aff_from_map_check_strides(map, hull); | |||
5169 | isl_basic_map_free(hull); | |||
5170 | isl_map_free(map); | |||
5171 | return NULL((void*)0); | |||
5172 | } | |||
5173 | ||||
5174 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_set(__isl_take isl_setisl_map *set) | |||
5175 | { | |||
5176 | return isl_pw_multi_aff_from_map(set); | |||
5177 | } | |||
5178 | ||||
5179 | /* Convert "map" into an isl_pw_multi_aff (if possible) and | |||
5180 | * add it to *user. | |||
5181 | */ | |||
5182 | static isl_stat pw_multi_aff_from_map(__isl_take isl_map *map, void *user) | |||
5183 | { | |||
5184 | isl_union_pw_multi_aff **upma = user; | |||
5185 | isl_pw_multi_aff *pma; | |||
5186 | ||||
5187 | pma = isl_pw_multi_aff_from_map(map); | |||
5188 | *upma = isl_union_pw_multi_aff_add_pw_multi_aff(*upma, pma); | |||
5189 | ||||
5190 | return *upma ? isl_stat_ok : isl_stat_error; | |||
5191 | } | |||
5192 | ||||
5193 | /* Create an isl_union_pw_multi_aff with the given isl_aff on a universe | |||
5194 | * domain. | |||
5195 | */ | |||
5196 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_from_aff( | |||
5197 | __isl_take isl_aff *aff) | |||
5198 | { | |||
5199 | isl_multi_aff *ma; | |||
5200 | isl_pw_multi_aff *pma; | |||
5201 | ||||
5202 | ma = isl_multi_aff_from_aff(aff); | |||
5203 | pma = isl_pw_multi_aff_from_multi_aff(ma); | |||
5204 | return isl_union_pw_multi_aff_from_pw_multi_aff(pma); | |||
5205 | } | |||
5206 | ||||
5207 | /* Try and create an isl_union_pw_multi_aff that is equivalent | |||
5208 | * to the given isl_union_map. | |||
5209 | * The isl_union_map is required to be single-valued in each space. | |||
5210 | * Otherwise, an error is produced. | |||
5211 | */ | |||
5212 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_from_union_map( | |||
5213 | __isl_take isl_union_map *umap) | |||
5214 | { | |||
5215 | isl_space *space; | |||
5216 | isl_union_pw_multi_aff *upma; | |||
5217 | ||||
5218 | space = isl_union_map_get_space(umap); | |||
5219 | upma = isl_union_pw_multi_aff_empty(space); | |||
5220 | if (isl_union_map_foreach_map(umap, &pw_multi_aff_from_map, &upma) < 0) | |||
5221 | upma = isl_union_pw_multi_aff_free(upma); | |||
5222 | isl_union_map_free(umap); | |||
5223 | ||||
5224 | return upma; | |||
5225 | } | |||
5226 | ||||
5227 | /* Try and create an isl_union_pw_multi_aff that is equivalent | |||
5228 | * to the given isl_union_set. | |||
5229 | * The isl_union_set is required to be a singleton in each space. | |||
5230 | * Otherwise, an error is produced. | |||
5231 | */ | |||
5232 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_from_union_set( | |||
5233 | __isl_take isl_union_setisl_union_map *uset) | |||
5234 | { | |||
5235 | return isl_union_pw_multi_aff_from_union_map(uset); | |||
5236 | } | |||
5237 | ||||
5238 | /* Return the piecewise affine expression "set ? 1 : 0". | |||
5239 | */ | |||
5240 | __isl_give isl_pw_aff *isl_set_indicator_function(__isl_take isl_setisl_map *set) | |||
5241 | { | |||
5242 | isl_pw_aff *pa; | |||
5243 | isl_space *space = isl_set_get_space(set); | |||
5244 | isl_local_space *ls = isl_local_space_from_space(space); | |||
5245 | isl_aff *zero = isl_aff_zero_on_domain(isl_local_space_copy(ls)); | |||
5246 | isl_aff *one = isl_aff_zero_on_domain(ls); | |||
5247 | ||||
5248 | one = isl_aff_add_constant_si(one, 1); | |||
5249 | pa = isl_pw_aff_alloc(isl_set_copy(set), one); | |||
5250 | set = isl_set_complement(set); | |||
5251 | pa = isl_pw_aff_add_disjoint(pa, isl_pw_aff_alloc(set, zero)); | |||
5252 | ||||
5253 | return pa; | |||
5254 | } | |||
5255 | ||||
5256 | /* Plug in "subs" for dimension "type", "pos" of "aff". | |||
5257 | * | |||
5258 | * Let i be the dimension to replace and let "subs" be of the form | |||
5259 | * | |||
5260 | * f/d | |||
5261 | * | |||
5262 | * and "aff" of the form | |||
5263 | * | |||
5264 | * (a i + g)/m | |||
5265 | * | |||
5266 | * The result is | |||
5267 | * | |||
5268 | * (a f + d g')/(m d) | |||
5269 | * | |||
5270 | * where g' is the result of plugging in "subs" in each of the integer | |||
5271 | * divisions in g. | |||
5272 | */ | |||
5273 | __isl_give isl_aff *isl_aff_substitute(__isl_take isl_aff *aff, | |||
5274 | enum isl_dim_type type, unsigned pos, __isl_keep isl_aff *subs) | |||
5275 | { | |||
5276 | isl_ctx *ctx; | |||
5277 | isl_int v; | |||
5278 | ||||
5279 | aff = isl_aff_cow(aff); | |||
5280 | if (!aff || !subs) | |||
5281 | return isl_aff_free(aff); | |||
5282 | ||||
5283 | ctx = isl_aff_get_ctx(aff); | |||
5284 | if (!isl_space_is_equal(aff->ls->dim, subs->ls->dim)) | |||
5285 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "spaces don't match" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5286); return isl_aff_free(aff); } while (0) | |||
5286 | "spaces don't match", return isl_aff_free(aff))do { isl_handle_error(ctx, isl_error_invalid, "spaces don't match" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5286); return isl_aff_free(aff); } while (0); | |||
5287 | if (isl_local_space_dim(subs->ls, isl_dim_div) != 0) | |||
5288 | isl_die(ctx, isl_error_unsupported,do { isl_handle_error(ctx, isl_error_unsupported, "cannot handle divs yet" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5289); return isl_aff_free(aff); } while (0) | |||
5289 | "cannot handle divs yet", return isl_aff_free(aff))do { isl_handle_error(ctx, isl_error_unsupported, "cannot handle divs yet" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5289); return isl_aff_free(aff); } while (0); | |||
5290 | ||||
5291 | aff->ls = isl_local_space_substitute(aff->ls, type, pos, subs); | |||
5292 | if (!aff->ls) | |||
5293 | return isl_aff_free(aff); | |||
5294 | ||||
5295 | aff->v = isl_vec_cow(aff->v); | |||
5296 | if (!aff->v) | |||
5297 | return isl_aff_free(aff); | |||
5298 | ||||
5299 | pos += isl_local_space_offset(aff->ls, type); | |||
5300 | ||||
5301 | isl_int_init(v)isl_sioimath_init((v)); | |||
5302 | isl_seq_substitute(aff->v->el, pos, subs->v->el, | |||
5303 | aff->v->size, subs->v->size, v); | |||
5304 | isl_int_clear(v)isl_sioimath_clear((v)); | |||
5305 | ||||
5306 | return aff; | |||
5307 | } | |||
5308 | ||||
5309 | /* Plug in "subs" for dimension "type", "pos" in each of the affine | |||
5310 | * expressions in "maff". | |||
5311 | */ | |||
5312 | __isl_give isl_multi_aff *isl_multi_aff_substitute( | |||
5313 | __isl_take isl_multi_aff *maff, enum isl_dim_type type, unsigned pos, | |||
5314 | __isl_keep isl_aff *subs) | |||
5315 | { | |||
5316 | int i; | |||
5317 | ||||
5318 | maff = isl_multi_aff_cow(maff); | |||
5319 | if (!maff || !subs) | |||
5320 | return isl_multi_aff_free(maff); | |||
5321 | ||||
5322 | if (type == isl_dim_in) | |||
5323 | type = isl_dim_set; | |||
5324 | ||||
5325 | for (i = 0; i < maff->n; ++i) { | |||
5326 | maff->u.p[i] = isl_aff_substitute(maff->u.p[i], | |||
5327 | type, pos, subs); | |||
5328 | if (!maff->u.p[i]) | |||
5329 | return isl_multi_aff_free(maff); | |||
5330 | } | |||
5331 | ||||
5332 | return maff; | |||
5333 | } | |||
5334 | ||||
5335 | /* Plug in "subs" for dimension "type", "pos" of "pma". | |||
5336 | * | |||
5337 | * pma is of the form | |||
5338 | * | |||
5339 | * A_i(v) -> M_i(v) | |||
5340 | * | |||
5341 | * while subs is of the form | |||
5342 | * | |||
5343 | * v' = B_j(v) -> S_j | |||
5344 | * | |||
5345 | * Each pair i,j such that C_ij = A_i \cap B_i is non-empty | |||
5346 | * has a contribution in the result, in particular | |||
5347 | * | |||
5348 | * C_ij(S_j) -> M_i(S_j) | |||
5349 | * | |||
5350 | * Note that plugging in S_j in C_ij may also result in an empty set | |||
5351 | * and this contribution should simply be discarded. | |||
5352 | */ | |||
5353 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_substitute( | |||
5354 | __isl_take isl_pw_multi_aff *pma, enum isl_dim_type type, unsigned pos, | |||
5355 | __isl_keep isl_pw_aff *subs) | |||
5356 | { | |||
5357 | int i, j, n; | |||
5358 | isl_pw_multi_aff *res; | |||
5359 | ||||
5360 | if (!pma || !subs) | |||
5361 | return isl_pw_multi_aff_free(pma); | |||
5362 | ||||
5363 | n = pma->n * subs->n; | |||
5364 | res = isl_pw_multi_aff_alloc_size(isl_space_copy(pma->dim), n); | |||
5365 | ||||
5366 | for (i = 0; i < pma->n; ++i) { | |||
5367 | for (j = 0; j < subs->n; ++j) { | |||
5368 | isl_setisl_map *common; | |||
5369 | isl_multi_aff *res_ij; | |||
5370 | int empty; | |||
5371 | ||||
5372 | common = isl_set_intersect( | |||
5373 | isl_set_copy(pma->p[i].set), | |||
5374 | isl_set_copy(subs->p[j].set)); | |||
5375 | common = isl_set_substitute(common, | |||
5376 | type, pos, subs->p[j].aff); | |||
5377 | empty = isl_set_plain_is_empty(common); | |||
5378 | if (empty < 0 || empty) { | |||
5379 | isl_set_free(common); | |||
5380 | if (empty < 0) | |||
5381 | goto error; | |||
5382 | continue; | |||
5383 | } | |||
5384 | ||||
5385 | res_ij = isl_multi_aff_substitute( | |||
5386 | isl_multi_aff_copy(pma->p[i].maff), | |||
5387 | type, pos, subs->p[j].aff); | |||
5388 | ||||
5389 | res = isl_pw_multi_aff_add_piece(res, common, res_ij); | |||
5390 | } | |||
5391 | } | |||
5392 | ||||
5393 | isl_pw_multi_aff_free(pma); | |||
5394 | return res; | |||
5395 | error: | |||
5396 | isl_pw_multi_aff_free(pma); | |||
5397 | isl_pw_multi_aff_free(res); | |||
5398 | return NULL((void*)0); | |||
5399 | } | |||
5400 | ||||
5401 | /* Compute the preimage of a range of dimensions in the affine expression "src" | |||
5402 | * under "ma" and put the result in "dst". The number of dimensions in "src" | |||
5403 | * that precede the range is given by "n_before". The number of dimensions | |||
5404 | * in the range is given by the number of output dimensions of "ma". | |||
5405 | * The number of dimensions that follow the range is given by "n_after". | |||
5406 | * If "has_denom" is set (to one), | |||
5407 | * then "src" and "dst" have an extra initial denominator. | |||
5408 | * "n_div_ma" is the number of existentials in "ma" | |||
5409 | * "n_div_bset" is the number of existentials in "src" | |||
5410 | * The resulting "dst" (which is assumed to have been allocated by | |||
5411 | * the caller) contains coefficients for both sets of existentials, | |||
5412 | * first those in "ma" and then those in "src". | |||
5413 | * f, c1, c2 and g are temporary objects that have been initialized | |||
5414 | * by the caller. | |||
5415 | * | |||
5416 | * Let src represent the expression | |||
5417 | * | |||
5418 | * (a(p) + f_u u + b v + f_w w + c(divs))/d | |||
5419 | * | |||
5420 | * and let ma represent the expressions | |||
5421 | * | |||
5422 | * v_i = (r_i(p) + s_i(y) + t_i(divs'))/m_i | |||
5423 | * | |||
5424 | * We start out with the following expression for dst: | |||
5425 | * | |||
5426 | * (a(p) + f_u u + 0 y + f_w w + 0 divs' + c(divs) + f \sum_i b_i v_i)/d | |||
5427 | * | |||
5428 | * with the multiplication factor f initially equal to 1 | |||
5429 | * and f \sum_i b_i v_i kept separately. | |||
5430 | * For each x_i that we substitute, we multiply the numerator | |||
5431 | * (and denominator) of dst by c_1 = m_i and add the numerator | |||
5432 | * of the x_i expression multiplied by c_2 = f b_i, | |||
5433 | * after removing the common factors of c_1 and c_2. | |||
5434 | * The multiplication factor f also needs to be multiplied by c_1 | |||
5435 | * for the next x_j, j > i. | |||
5436 | */ | |||
5437 | void isl_seq_preimage(isl_int *dst, isl_int *src, | |||
5438 | __isl_keep isl_multi_aff *ma, int n_before, int n_after, | |||
5439 | int n_div_ma, int n_div_bmap, | |||
5440 | isl_int f, isl_int c1, isl_int c2, isl_int g, int has_denom) | |||
5441 | { | |||
5442 | int i; | |||
5443 | int n_param, n_in, n_out; | |||
5444 | int o_dst, o_src; | |||
5445 | ||||
5446 | n_param = isl_multi_aff_dim(ma, isl_dim_param); | |||
5447 | n_in = isl_multi_aff_dim(ma, isl_dim_in); | |||
5448 | n_out = isl_multi_aff_dim(ma, isl_dim_out); | |||
5449 | ||||
5450 | isl_seq_cpy(dst, src, has_denom + 1 + n_param + n_before); | |||
5451 | o_dst = o_src = has_denom + 1 + n_param + n_before; | |||
5452 | isl_seq_clr(dst + o_dst, n_in); | |||
5453 | o_dst += n_in; | |||
5454 | o_src += n_out; | |||
5455 | isl_seq_cpy(dst + o_dst, src + o_src, n_after); | |||
5456 | o_dst += n_after; | |||
5457 | o_src += n_after; | |||
5458 | isl_seq_clr(dst + o_dst, n_div_ma); | |||
5459 | o_dst += n_div_ma; | |||
5460 | isl_seq_cpy(dst + o_dst, src + o_src, n_div_bmap); | |||
5461 | ||||
5462 | isl_int_set_si(f, 1)isl_sioimath_set_si((f), 1); | |||
5463 | ||||
5464 | for (i = 0; i < n_out; ++i) { | |||
5465 | int offset = has_denom + 1 + n_param + n_before + i; | |||
5466 | ||||
5467 | if (isl_int_is_zero(src[offset])(isl_sioimath_sgn(*(src[offset])) == 0)) | |||
5468 | continue; | |||
5469 | isl_int_set(c1, ma->u.p[i]->v->el[0])isl_sioimath_set((c1), *(ma->u.p[i]->v->el[0])); | |||
5470 | isl_int_mul(c2, f, src[offset])isl_sioimath_mul((c2), *(f), *(src[offset])); | |||
5471 | isl_int_gcd(g, c1, c2)isl_sioimath_gcd((g), *(c1), *(c2)); | |||
5472 | isl_int_divexact(c1, c1, g)isl_sioimath_tdiv_q((c1), *(c1), *(g)); | |||
5473 | isl_int_divexact(c2, c2, g)isl_sioimath_tdiv_q((c2), *(c2), *(g)); | |||
5474 | ||||
5475 | isl_int_mul(f, f, c1)isl_sioimath_mul((f), *(f), *(c1)); | |||
5476 | o_dst = has_denom; | |||
5477 | o_src = 1; | |||
5478 | isl_seq_combine(dst + o_dst, c1, dst + o_dst, | |||
5479 | c2, ma->u.p[i]->v->el + o_src, 1 + n_param); | |||
5480 | o_dst += 1 + n_param; | |||
5481 | o_src += 1 + n_param; | |||
5482 | isl_seq_scale(dst + o_dst, dst + o_dst, c1, n_before); | |||
5483 | o_dst += n_before; | |||
5484 | isl_seq_combine(dst + o_dst, c1, dst + o_dst, | |||
5485 | c2, ma->u.p[i]->v->el + o_src, n_in); | |||
5486 | o_dst += n_in; | |||
5487 | o_src += n_in; | |||
5488 | isl_seq_scale(dst + o_dst, dst + o_dst, c1, n_after); | |||
5489 | o_dst += n_after; | |||
5490 | isl_seq_combine(dst + o_dst, c1, dst + o_dst, | |||
5491 | c2, ma->u.p[i]->v->el + o_src, n_div_ma); | |||
5492 | o_dst += n_div_ma; | |||
5493 | o_src += n_div_ma; | |||
5494 | isl_seq_scale(dst + o_dst, dst + o_dst, c1, n_div_bmap); | |||
5495 | if (has_denom) | |||
5496 | isl_int_mul(dst[0], dst[0], c1)isl_sioimath_mul((dst[0]), *(dst[0]), *(c1)); | |||
5497 | } | |||
5498 | } | |||
5499 | ||||
5500 | /* Compute the pullback of "aff" by the function represented by "ma". | |||
5501 | * In other words, plug in "ma" in "aff". The result is an affine expression | |||
5502 | * defined over the domain space of "ma". | |||
5503 | * | |||
5504 | * If "aff" is represented by | |||
5505 | * | |||
5506 | * (a(p) + b x + c(divs))/d | |||
5507 | * | |||
5508 | * and ma is represented by | |||
5509 | * | |||
5510 | * x = D(p) + F(y) + G(divs') | |||
5511 | * | |||
5512 | * then the result is | |||
5513 | * | |||
5514 | * (a(p) + b D(p) + b F(y) + b G(divs') + c(divs))/d | |||
5515 | * | |||
5516 | * The divs in the local space of the input are similarly adjusted | |||
5517 | * through a call to isl_local_space_preimage_multi_aff. | |||
5518 | */ | |||
5519 | __isl_give isl_aff *isl_aff_pullback_multi_aff(__isl_take isl_aff *aff, | |||
5520 | __isl_take isl_multi_aff *ma) | |||
5521 | { | |||
5522 | isl_aff *res = NULL((void*)0); | |||
5523 | isl_local_space *ls; | |||
5524 | int n_div_aff, n_div_ma; | |||
5525 | isl_int f, c1, c2, g; | |||
5526 | ||||
5527 | ma = isl_multi_aff_align_divs(ma); | |||
5528 | if (!aff || !ma) | |||
5529 | goto error; | |||
5530 | ||||
5531 | n_div_aff = isl_aff_dim(aff, isl_dim_div); | |||
5532 | n_div_ma = ma->n ? isl_aff_dim(ma->u.p[0], isl_dim_div) : 0; | |||
5533 | ||||
5534 | ls = isl_aff_get_domain_local_space(aff); | |||
5535 | ls = isl_local_space_preimage_multi_aff(ls, isl_multi_aff_copy(ma)); | |||
5536 | res = isl_aff_alloc(ls); | |||
5537 | if (!res) | |||
5538 | goto error; | |||
5539 | ||||
5540 | isl_int_init(f)isl_sioimath_init((f)); | |||
5541 | isl_int_init(c1)isl_sioimath_init((c1)); | |||
5542 | isl_int_init(c2)isl_sioimath_init((c2)); | |||
5543 | isl_int_init(g)isl_sioimath_init((g)); | |||
5544 | ||||
5545 | isl_seq_preimage(res->v->el, aff->v->el, ma, 0, 0, n_div_ma, n_div_aff, | |||
5546 | f, c1, c2, g, 1); | |||
5547 | ||||
5548 | isl_int_clear(f)isl_sioimath_clear((f)); | |||
5549 | isl_int_clear(c1)isl_sioimath_clear((c1)); | |||
5550 | isl_int_clear(c2)isl_sioimath_clear((c2)); | |||
5551 | isl_int_clear(g)isl_sioimath_clear((g)); | |||
5552 | ||||
5553 | isl_aff_free(aff); | |||
5554 | isl_multi_aff_free(ma); | |||
5555 | res = isl_aff_normalize(res); | |||
5556 | return res; | |||
5557 | error: | |||
5558 | isl_aff_free(aff); | |||
5559 | isl_multi_aff_free(ma); | |||
5560 | isl_aff_free(res); | |||
5561 | return NULL((void*)0); | |||
5562 | } | |||
5563 | ||||
5564 | /* Compute the pullback of "aff1" by the function represented by "aff2". | |||
5565 | * In other words, plug in "aff2" in "aff1". The result is an affine expression | |||
5566 | * defined over the domain space of "aff1". | |||
5567 | * | |||
5568 | * The domain of "aff1" should match the range of "aff2", which means | |||
5569 | * that it should be single-dimensional. | |||
5570 | */ | |||
5571 | __isl_give isl_aff *isl_aff_pullback_aff(__isl_take isl_aff *aff1, | |||
5572 | __isl_take isl_aff *aff2) | |||
5573 | { | |||
5574 | isl_multi_aff *ma; | |||
5575 | ||||
5576 | ma = isl_multi_aff_from_aff(aff2); | |||
5577 | return isl_aff_pullback_multi_aff(aff1, ma); | |||
5578 | } | |||
5579 | ||||
5580 | /* Compute the pullback of "ma1" by the function represented by "ma2". | |||
5581 | * In other words, plug in "ma2" in "ma1". | |||
5582 | * | |||
5583 | * The parameters of "ma1" and "ma2" are assumed to have been aligned. | |||
5584 | */ | |||
5585 | static __isl_give isl_multi_aff *isl_multi_aff_pullback_multi_aff_aligned( | |||
5586 | __isl_take isl_multi_aff *ma1, __isl_take isl_multi_aff *ma2) | |||
5587 | { | |||
5588 | int i; | |||
5589 | isl_space *space = NULL((void*)0); | |||
5590 | ||||
5591 | ma2 = isl_multi_aff_align_divs(ma2); | |||
5592 | ma1 = isl_multi_aff_cow(ma1); | |||
5593 | if (!ma1 || !ma2) | |||
5594 | goto error; | |||
5595 | ||||
5596 | space = isl_space_join(isl_multi_aff_get_space(ma2), | |||
5597 | isl_multi_aff_get_space(ma1)); | |||
5598 | ||||
5599 | for (i = 0; i < ma1->n; ++i) { | |||
5600 | ma1->u.p[i] = isl_aff_pullback_multi_aff(ma1->u.p[i], | |||
5601 | isl_multi_aff_copy(ma2)); | |||
5602 | if (!ma1->u.p[i]) | |||
5603 | goto error; | |||
5604 | } | |||
5605 | ||||
5606 | ma1 = isl_multi_aff_reset_space(ma1, space); | |||
5607 | isl_multi_aff_free(ma2); | |||
5608 | return ma1; | |||
5609 | error: | |||
5610 | isl_space_free(space); | |||
5611 | isl_multi_aff_free(ma2); | |||
5612 | isl_multi_aff_free(ma1); | |||
5613 | return NULL((void*)0); | |||
5614 | } | |||
5615 | ||||
5616 | /* Compute the pullback of "ma1" by the function represented by "ma2". | |||
5617 | * In other words, plug in "ma2" in "ma1". | |||
5618 | */ | |||
5619 | __isl_give isl_multi_aff *isl_multi_aff_pullback_multi_aff( | |||
5620 | __isl_take isl_multi_aff *ma1, __isl_take isl_multi_aff *ma2) | |||
5621 | { | |||
5622 | return isl_multi_aff_align_params_multi_multi_and(ma1, ma2, | |||
5623 | &isl_multi_aff_pullback_multi_aff_aligned); | |||
5624 | } | |||
5625 | ||||
5626 | /* Extend the local space of "dst" to include the divs | |||
5627 | * in the local space of "src". | |||
5628 | * | |||
5629 | * If "src" does not have any divs or if the local spaces of "dst" and | |||
5630 | * "src" are the same, then no extension is required. | |||
5631 | */ | |||
5632 | __isl_give isl_aff *isl_aff_align_divs(__isl_take isl_aff *dst, | |||
5633 | __isl_keep isl_aff *src) | |||
5634 | { | |||
5635 | isl_ctx *ctx; | |||
5636 | int src_n_div, dst_n_div; | |||
5637 | int *exp1 = NULL((void*)0); | |||
5638 | int *exp2 = NULL((void*)0); | |||
5639 | isl_bool equal; | |||
5640 | isl_mat *div; | |||
5641 | ||||
5642 | if (!src || !dst) | |||
5643 | return isl_aff_free(dst); | |||
5644 | ||||
5645 | ctx = isl_aff_get_ctx(src); | |||
5646 | equal = isl_local_space_has_equal_space(src->ls, dst->ls); | |||
5647 | if (equal < 0) | |||
5648 | return isl_aff_free(dst); | |||
5649 | if (!equal) | |||
5650 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "spaces don't match" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5651); goto error; } while (0) | |||
5651 | "spaces don't match", goto error)do { isl_handle_error(ctx, isl_error_invalid, "spaces don't match" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5651); goto error; } while (0); | |||
5652 | ||||
5653 | src_n_div = isl_local_space_dim(src->ls, isl_dim_div); | |||
5654 | if (src_n_div == 0) | |||
5655 | return dst; | |||
5656 | equal = isl_local_space_is_equal(src->ls, dst->ls); | |||
5657 | if (equal < 0) | |||
5658 | return isl_aff_free(dst); | |||
5659 | if (equal) | |||
5660 | return dst; | |||
5661 | ||||
5662 | dst_n_div = isl_local_space_dim(dst->ls, isl_dim_div); | |||
5663 | exp1 = isl_alloc_array(ctx, int, src_n_div)((int *)isl_malloc_or_die(ctx, (src_n_div)*sizeof(int))); | |||
5664 | exp2 = isl_alloc_array(ctx, int, dst_n_div)((int *)isl_malloc_or_die(ctx, (dst_n_div)*sizeof(int))); | |||
5665 | if (!exp1 || (dst_n_div && !exp2)) | |||
5666 | goto error; | |||
5667 | ||||
5668 | div = isl_merge_divs(src->ls->div, dst->ls->div, exp1, exp2); | |||
5669 | dst = isl_aff_expand_divs(dst, div, exp2); | |||
5670 | free(exp1); | |||
5671 | free(exp2); | |||
5672 | ||||
5673 | return dst; | |||
5674 | error: | |||
5675 | free(exp1); | |||
5676 | free(exp2); | |||
5677 | return isl_aff_free(dst); | |||
5678 | } | |||
5679 | ||||
5680 | /* Adjust the local spaces of the affine expressions in "maff" | |||
5681 | * such that they all have the save divs. | |||
5682 | */ | |||
5683 | __isl_give isl_multi_aff *isl_multi_aff_align_divs( | |||
5684 | __isl_take isl_multi_aff *maff) | |||
5685 | { | |||
5686 | int i; | |||
5687 | ||||
5688 | if (!maff) | |||
5689 | return NULL((void*)0); | |||
5690 | if (maff->n == 0) | |||
5691 | return maff; | |||
5692 | maff = isl_multi_aff_cow(maff); | |||
5693 | if (!maff) | |||
5694 | return NULL((void*)0); | |||
5695 | ||||
5696 | for (i = 1; i < maff->n; ++i) | |||
5697 | maff->u.p[0] = isl_aff_align_divs(maff->u.p[0], maff->u.p[i]); | |||
5698 | for (i = 1; i < maff->n; ++i) { | |||
5699 | maff->u.p[i] = isl_aff_align_divs(maff->u.p[i], maff->u.p[0]); | |||
5700 | if (!maff->u.p[i]) | |||
5701 | return isl_multi_aff_free(maff); | |||
5702 | } | |||
5703 | ||||
5704 | return maff; | |||
5705 | } | |||
5706 | ||||
5707 | __isl_give isl_aff *isl_aff_lift(__isl_take isl_aff *aff) | |||
5708 | { | |||
5709 | aff = isl_aff_cow(aff); | |||
5710 | if (!aff) | |||
5711 | return NULL((void*)0); | |||
5712 | ||||
5713 | aff->ls = isl_local_space_lift(aff->ls); | |||
5714 | if (!aff->ls) | |||
5715 | return isl_aff_free(aff); | |||
5716 | ||||
5717 | return aff; | |||
5718 | } | |||
5719 | ||||
5720 | /* Lift "maff" to a space with extra dimensions such that the result | |||
5721 | * has no more existentially quantified variables. | |||
5722 | * If "ls" is not NULL, then *ls is assigned the local space that lies | |||
5723 | * at the basis of the lifting applied to "maff". | |||
5724 | */ | |||
5725 | __isl_give isl_multi_aff *isl_multi_aff_lift(__isl_take isl_multi_aff *maff, | |||
5726 | __isl_give isl_local_space **ls) | |||
5727 | { | |||
5728 | int i; | |||
5729 | isl_space *space; | |||
5730 | unsigned n_div; | |||
5731 | ||||
5732 | if (ls) | |||
5733 | *ls = NULL((void*)0); | |||
5734 | ||||
5735 | if (!maff) | |||
5736 | return NULL((void*)0); | |||
5737 | ||||
5738 | if (maff->n == 0) { | |||
5739 | if (ls) { | |||
5740 | isl_space *space = isl_multi_aff_get_domain_space(maff); | |||
5741 | *ls = isl_local_space_from_space(space); | |||
5742 | if (!*ls) | |||
5743 | return isl_multi_aff_free(maff); | |||
5744 | } | |||
5745 | return maff; | |||
5746 | } | |||
5747 | ||||
5748 | maff = isl_multi_aff_cow(maff); | |||
5749 | maff = isl_multi_aff_align_divs(maff); | |||
5750 | if (!maff) | |||
5751 | return NULL((void*)0); | |||
5752 | ||||
5753 | n_div = isl_aff_dim(maff->u.p[0], isl_dim_div); | |||
5754 | space = isl_multi_aff_get_space(maff); | |||
5755 | space = isl_space_lift(isl_space_domain(space), n_div); | |||
5756 | space = isl_space_extend_domain_with_range(space, | |||
5757 | isl_multi_aff_get_space(maff)); | |||
5758 | if (!space) | |||
5759 | return isl_multi_aff_free(maff); | |||
5760 | isl_space_free(maff->space); | |||
5761 | maff->space = space; | |||
5762 | ||||
5763 | if (ls) { | |||
5764 | *ls = isl_aff_get_domain_local_space(maff->u.p[0]); | |||
5765 | if (!*ls) | |||
5766 | return isl_multi_aff_free(maff); | |||
5767 | } | |||
5768 | ||||
5769 | for (i = 0; i < maff->n; ++i) { | |||
5770 | maff->u.p[i] = isl_aff_lift(maff->u.p[i]); | |||
5771 | if (!maff->u.p[i]) | |||
5772 | goto error; | |||
5773 | } | |||
5774 | ||||
5775 | return maff; | |||
5776 | error: | |||
5777 | if (ls) | |||
5778 | isl_local_space_free(*ls); | |||
5779 | return isl_multi_aff_free(maff); | |||
5780 | } | |||
5781 | ||||
5782 | ||||
5783 | /* Extract an isl_pw_aff corresponding to output dimension "pos" of "pma". | |||
5784 | */ | |||
5785 | __isl_give isl_pw_aff *isl_pw_multi_aff_get_pw_aff( | |||
5786 | __isl_keep isl_pw_multi_aff *pma, int pos) | |||
5787 | { | |||
5788 | int i; | |||
5789 | int n_out; | |||
5790 | isl_space *space; | |||
5791 | isl_pw_aff *pa; | |||
5792 | ||||
5793 | if (!pma) | |||
5794 | return NULL((void*)0); | |||
5795 | ||||
5796 | n_out = isl_pw_multi_aff_dim(pma, isl_dim_out); | |||
5797 | if (pos < 0 || pos >= n_out) | |||
5798 | isl_die(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid,do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "index out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5799); return ((void*)0); } while (0) | |||
5799 | "index out of bounds", return NULL)do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "index out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 5799); return ((void*)0); } while (0); | |||
5800 | ||||
5801 | space = isl_pw_multi_aff_get_space(pma); | |||
5802 | space = isl_space_drop_dims(space, isl_dim_out, | |||
5803 | pos + 1, n_out - pos - 1); | |||
5804 | space = isl_space_drop_dims(space, isl_dim_out, 0, pos); | |||
5805 | ||||
5806 | pa = isl_pw_aff_alloc_size(space, pma->n); | |||
5807 | for (i = 0; i < pma->n; ++i) { | |||
5808 | isl_aff *aff; | |||
5809 | aff = isl_multi_aff_get_aff(pma->p[i].maff, pos); | |||
5810 | pa = isl_pw_aff_add_piece(pa, isl_set_copy(pma->p[i].set), aff); | |||
5811 | } | |||
5812 | ||||
5813 | return pa; | |||
5814 | } | |||
5815 | ||||
5816 | /* Return an isl_pw_multi_aff with the given "set" as domain and | |||
5817 | * an unnamed zero-dimensional range. | |||
5818 | */ | |||
5819 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_domain( | |||
5820 | __isl_take isl_setisl_map *set) | |||
5821 | { | |||
5822 | isl_multi_aff *ma; | |||
5823 | isl_space *space; | |||
5824 | ||||
5825 | space = isl_set_get_space(set); | |||
5826 | space = isl_space_from_domain(space); | |||
5827 | ma = isl_multi_aff_zero(space); | |||
5828 | return isl_pw_multi_aff_alloc(set, ma); | |||
5829 | } | |||
5830 | ||||
5831 | /* Add an isl_pw_multi_aff with the given "set" as domain and | |||
5832 | * an unnamed zero-dimensional range to *user. | |||
5833 | */ | |||
5834 | static isl_stat add_pw_multi_aff_from_domain(__isl_take isl_setisl_map *set, | |||
5835 | void *user) | |||
5836 | { | |||
5837 | isl_union_pw_multi_aff **upma = user; | |||
5838 | isl_pw_multi_aff *pma; | |||
5839 | ||||
5840 | pma = isl_pw_multi_aff_from_domain(set); | |||
5841 | *upma = isl_union_pw_multi_aff_add_pw_multi_aff(*upma, pma); | |||
5842 | ||||
5843 | return isl_stat_ok; | |||
5844 | } | |||
5845 | ||||
5846 | /* Return an isl_union_pw_multi_aff with the given "uset" as domain and | |||
5847 | * an unnamed zero-dimensional range. | |||
5848 | */ | |||
5849 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_from_domain( | |||
5850 | __isl_take isl_union_setisl_union_map *uset) | |||
5851 | { | |||
5852 | isl_space *space; | |||
5853 | isl_union_pw_multi_aff *upma; | |||
5854 | ||||
5855 | if (!uset) | |||
5856 | return NULL((void*)0); | |||
5857 | ||||
5858 | space = isl_union_set_get_space(uset); | |||
5859 | upma = isl_union_pw_multi_aff_empty(space); | |||
5860 | ||||
5861 | if (isl_union_set_foreach_set(uset, | |||
5862 | &add_pw_multi_aff_from_domain, &upma) < 0) | |||
5863 | goto error; | |||
5864 | ||||
5865 | isl_union_set_free(uset); | |||
5866 | return upma; | |||
5867 | error: | |||
5868 | isl_union_set_free(uset); | |||
5869 | isl_union_pw_multi_aff_free(upma); | |||
5870 | return NULL((void*)0); | |||
5871 | } | |||
5872 | ||||
5873 | /* Local data for bin_entry and the callback "fn". | |||
5874 | */ | |||
5875 | struct isl_union_pw_multi_aff_bin_data { | |||
5876 | isl_union_pw_multi_aff *upma2; | |||
5877 | isl_union_pw_multi_aff *res; | |||
5878 | isl_pw_multi_aff *pma; | |||
5879 | isl_stat (*fn)(__isl_take isl_pw_multi_aff *pma, void *user); | |||
5880 | }; | |||
5881 | ||||
5882 | /* Given an isl_pw_multi_aff from upma1, store it in data->pma | |||
5883 | * and call data->fn for each isl_pw_multi_aff in data->upma2. | |||
5884 | */ | |||
5885 | static isl_stat bin_entry(__isl_take isl_pw_multi_aff *pma, void *user) | |||
5886 | { | |||
5887 | struct isl_union_pw_multi_aff_bin_data *data = user; | |||
5888 | isl_stat r; | |||
5889 | ||||
5890 | data->pma = pma; | |||
5891 | r = isl_union_pw_multi_aff_foreach_pw_multi_aff(data->upma2, | |||
5892 | data->fn, data); | |||
5893 | isl_pw_multi_aff_free(pma); | |||
5894 | ||||
5895 | return r; | |||
5896 | } | |||
5897 | ||||
5898 | /* Call "fn" on each pair of isl_pw_multi_affs in "upma1" and "upma2". | |||
5899 | * The isl_pw_multi_aff from upma1 is stored in data->pma (where data is | |||
5900 | * passed as user field) and the isl_pw_multi_aff from upma2 is available | |||
5901 | * as *entry. The callback should adjust data->res if desired. | |||
5902 | */ | |||
5903 | static __isl_give isl_union_pw_multi_aff *bin_op( | |||
5904 | __isl_take isl_union_pw_multi_aff *upma1, | |||
5905 | __isl_take isl_union_pw_multi_aff *upma2, | |||
5906 | isl_stat (*fn)(__isl_take isl_pw_multi_aff *pma, void *user)) | |||
5907 | { | |||
5908 | isl_space *space; | |||
5909 | struct isl_union_pw_multi_aff_bin_data data = { NULL((void*)0), NULL((void*)0), NULL((void*)0), fn }; | |||
5910 | ||||
5911 | space = isl_union_pw_multi_aff_get_space(upma2); | |||
5912 | upma1 = isl_union_pw_multi_aff_align_params(upma1, space); | |||
5913 | space = isl_union_pw_multi_aff_get_space(upma1); | |||
5914 | upma2 = isl_union_pw_multi_aff_align_params(upma2, space); | |||
5915 | ||||
5916 | if (!upma1 || !upma2) | |||
5917 | goto error; | |||
5918 | ||||
5919 | data.upma2 = upma2; | |||
5920 | data.res = isl_union_pw_multi_aff_alloc_same_size(upma1); | |||
5921 | if (isl_union_pw_multi_aff_foreach_pw_multi_aff(upma1, | |||
5922 | &bin_entry, &data) < 0) | |||
5923 | goto error; | |||
5924 | ||||
5925 | isl_union_pw_multi_aff_free(upma1); | |||
5926 | isl_union_pw_multi_aff_free(upma2); | |||
5927 | return data.res; | |||
5928 | error: | |||
5929 | isl_union_pw_multi_aff_free(upma1); | |||
5930 | isl_union_pw_multi_aff_free(upma2); | |||
5931 | isl_union_pw_multi_aff_free(data.res); | |||
5932 | return NULL((void*)0); | |||
5933 | } | |||
5934 | ||||
5935 | /* Given two aligned isl_pw_multi_affs A -> B and C -> D, | |||
5936 | * construct an isl_pw_multi_aff (A * C) -> [B -> D]. | |||
5937 | */ | |||
5938 | static __isl_give isl_pw_multi_aff *pw_multi_aff_range_product( | |||
5939 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
5940 | { | |||
5941 | isl_space *space; | |||
5942 | ||||
5943 | space = isl_space_range_product(isl_pw_multi_aff_get_space(pma1), | |||
5944 | isl_pw_multi_aff_get_space(pma2)); | |||
5945 | return isl_pw_multi_aff_on_shared_domain_in(pma1, pma2, space, | |||
5946 | &isl_multi_aff_range_product); | |||
5947 | } | |||
5948 | ||||
5949 | /* Given two isl_pw_multi_affs A -> B and C -> D, | |||
5950 | * construct an isl_pw_multi_aff (A * C) -> [B -> D]. | |||
5951 | */ | |||
5952 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_range_product( | |||
5953 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
5954 | { | |||
5955 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
5956 | &pw_multi_aff_range_product); | |||
5957 | } | |||
5958 | ||||
5959 | /* Given two aligned isl_pw_multi_affs A -> B and C -> D, | |||
5960 | * construct an isl_pw_multi_aff (A * C) -> (B, D). | |||
5961 | */ | |||
5962 | static __isl_give isl_pw_multi_aff *pw_multi_aff_flat_range_product( | |||
5963 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
5964 | { | |||
5965 | isl_space *space; | |||
5966 | ||||
5967 | space = isl_space_range_product(isl_pw_multi_aff_get_space(pma1), | |||
5968 | isl_pw_multi_aff_get_space(pma2)); | |||
5969 | space = isl_space_flatten_range(space); | |||
5970 | return isl_pw_multi_aff_on_shared_domain_in(pma1, pma2, space, | |||
5971 | &isl_multi_aff_flat_range_product); | |||
5972 | } | |||
5973 | ||||
5974 | /* Given two isl_pw_multi_affs A -> B and C -> D, | |||
5975 | * construct an isl_pw_multi_aff (A * C) -> (B, D). | |||
5976 | */ | |||
5977 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_flat_range_product( | |||
5978 | __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2) | |||
5979 | { | |||
5980 | return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2, | |||
5981 | &pw_multi_aff_flat_range_product); | |||
5982 | } | |||
5983 | ||||
5984 | /* If data->pma and "pma2" have the same domain space, then compute | |||
5985 | * their flat range product and the result to data->res. | |||
5986 | */ | |||
5987 | static isl_stat flat_range_product_entry(__isl_take isl_pw_multi_aff *pma2, | |||
5988 | void *user) | |||
5989 | { | |||
5990 | struct isl_union_pw_multi_aff_bin_data *data = user; | |||
5991 | ||||
5992 | if (!isl_space_tuple_is_equal(data->pma->dim, isl_dim_in, | |||
5993 | pma2->dim, isl_dim_in)) { | |||
5994 | isl_pw_multi_aff_free(pma2); | |||
5995 | return isl_stat_ok; | |||
5996 | } | |||
5997 | ||||
5998 | pma2 = isl_pw_multi_aff_flat_range_product( | |||
5999 | isl_pw_multi_aff_copy(data->pma), pma2); | |||
6000 | ||||
6001 | data->res = isl_union_pw_multi_aff_add_pw_multi_aff(data->res, pma2); | |||
6002 | ||||
6003 | return isl_stat_ok; | |||
6004 | } | |||
6005 | ||||
6006 | /* Given two isl_union_pw_multi_affs A -> B and C -> D, | |||
6007 | * construct an isl_union_pw_multi_aff (A * C) -> (B, D). | |||
6008 | */ | |||
6009 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_flat_range_product( | |||
6010 | __isl_take isl_union_pw_multi_aff *upma1, | |||
6011 | __isl_take isl_union_pw_multi_aff *upma2) | |||
6012 | { | |||
6013 | return bin_op(upma1, upma2, &flat_range_product_entry); | |||
6014 | } | |||
6015 | ||||
6016 | /* Replace the affine expressions at position "pos" in "pma" by "pa". | |||
6017 | * The parameters are assumed to have been aligned. | |||
6018 | * | |||
6019 | * The implementation essentially performs an isl_pw_*_on_shared_domain, | |||
6020 | * except that it works on two different isl_pw_* types. | |||
6021 | */ | |||
6022 | static __isl_give isl_pw_multi_aff *pw_multi_aff_set_pw_aff( | |||
6023 | __isl_take isl_pw_multi_aff *pma, unsigned pos, | |||
6024 | __isl_take isl_pw_aff *pa) | |||
6025 | { | |||
6026 | int i, j, n; | |||
6027 | isl_pw_multi_aff *res = NULL((void*)0); | |||
6028 | ||||
6029 | if (!pma || !pa) | |||
6030 | goto error; | |||
6031 | ||||
6032 | if (!isl_space_tuple_is_equal(pma->dim, isl_dim_in, | |||
6033 | pa->dim, isl_dim_in)) | |||
6034 | isl_die(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid,do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "domains don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6035); goto error; } while (0) | |||
6035 | "domains don't match", goto error)do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "domains don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6035); goto error; } while (0); | |||
6036 | if (pos >= isl_pw_multi_aff_dim(pma, isl_dim_out)) | |||
6037 | isl_die(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid,do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "index out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6038); goto error; } while (0) | |||
6038 | "index out of bounds", goto error)do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "index out of bounds", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6038); goto error; } while (0); | |||
6039 | ||||
6040 | n = pma->n * pa->n; | |||
6041 | res = isl_pw_multi_aff_alloc_size(isl_pw_multi_aff_get_space(pma), n); | |||
6042 | ||||
6043 | for (i = 0; i < pma->n; ++i) { | |||
6044 | for (j = 0; j < pa->n; ++j) { | |||
6045 | isl_setisl_map *common; | |||
6046 | isl_multi_aff *res_ij; | |||
6047 | int empty; | |||
6048 | ||||
6049 | common = isl_set_intersect(isl_set_copy(pma->p[i].set), | |||
6050 | isl_set_copy(pa->p[j].set)); | |||
6051 | empty = isl_set_plain_is_empty(common); | |||
6052 | if (empty < 0 || empty) { | |||
6053 | isl_set_free(common); | |||
6054 | if (empty < 0) | |||
6055 | goto error; | |||
6056 | continue; | |||
6057 | } | |||
6058 | ||||
6059 | res_ij = isl_multi_aff_set_aff( | |||
6060 | isl_multi_aff_copy(pma->p[i].maff), pos, | |||
6061 | isl_aff_copy(pa->p[j].aff)); | |||
6062 | res_ij = isl_multi_aff_gist(res_ij, | |||
6063 | isl_set_copy(common)); | |||
6064 | ||||
6065 | res = isl_pw_multi_aff_add_piece(res, common, res_ij); | |||
6066 | } | |||
6067 | } | |||
6068 | ||||
6069 | isl_pw_multi_aff_free(pma); | |||
6070 | isl_pw_aff_free(pa); | |||
6071 | return res; | |||
6072 | error: | |||
6073 | isl_pw_multi_aff_free(pma); | |||
6074 | isl_pw_aff_free(pa); | |||
6075 | return isl_pw_multi_aff_free(res); | |||
6076 | } | |||
6077 | ||||
6078 | /* Replace the affine expressions at position "pos" in "pma" by "pa". | |||
6079 | */ | |||
6080 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_set_pw_aff( | |||
6081 | __isl_take isl_pw_multi_aff *pma, unsigned pos, | |||
6082 | __isl_take isl_pw_aff *pa) | |||
6083 | { | |||
6084 | isl_bool equal_params; | |||
6085 | ||||
6086 | if (!pma || !pa) | |||
6087 | goto error; | |||
6088 | equal_params = isl_space_has_equal_params(pma->dim, pa->dim); | |||
6089 | if (equal_params < 0) | |||
6090 | goto error; | |||
6091 | if (equal_params) | |||
6092 | return pw_multi_aff_set_pw_aff(pma, pos, pa); | |||
6093 | if (isl_pw_multi_aff_check_named_params(pma) < 0 || | |||
6094 | isl_pw_aff_check_named_params(pa) < 0) | |||
6095 | goto error; | |||
6096 | pma = isl_pw_multi_aff_align_params(pma, isl_pw_aff_get_space(pa)); | |||
6097 | pa = isl_pw_aff_align_params(pa, isl_pw_multi_aff_get_space(pma)); | |||
6098 | return pw_multi_aff_set_pw_aff(pma, pos, pa); | |||
6099 | error: | |||
6100 | isl_pw_multi_aff_free(pma); | |||
6101 | isl_pw_aff_free(pa); | |||
6102 | return NULL((void*)0); | |||
6103 | } | |||
6104 | ||||
6105 | /* Do the parameters of "pa" match those of "space"? | |||
6106 | */ | |||
6107 | isl_bool isl_pw_aff_matching_params(__isl_keep isl_pw_aff *pa, | |||
6108 | __isl_keep isl_space *space) | |||
6109 | { | |||
6110 | isl_space *pa_space; | |||
6111 | isl_bool match; | |||
6112 | ||||
6113 | if (!pa || !space) | |||
6114 | return isl_bool_error; | |||
6115 | ||||
6116 | pa_space = isl_pw_aff_get_space(pa); | |||
6117 | ||||
6118 | match = isl_space_has_equal_params(space, pa_space); | |||
6119 | ||||
6120 | isl_space_free(pa_space); | |||
6121 | return match; | |||
6122 | } | |||
6123 | ||||
6124 | /* Check that the domain space of "pa" matches "space". | |||
6125 | */ | |||
6126 | isl_stat isl_pw_aff_check_match_domain_space(__isl_keep isl_pw_aff *pa, | |||
6127 | __isl_keep isl_space *space) | |||
6128 | { | |||
6129 | isl_space *pa_space; | |||
6130 | isl_bool match; | |||
6131 | ||||
6132 | if (!pa || !space) | |||
6133 | return isl_stat_error; | |||
6134 | ||||
6135 | pa_space = isl_pw_aff_get_space(pa); | |||
6136 | ||||
6137 | match = isl_space_has_equal_params(space, pa_space); | |||
6138 | if (match < 0) | |||
6139 | goto error; | |||
6140 | if (!match) | |||
6141 | isl_die(isl_pw_aff_get_ctx(pa), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6142); goto error; } while (0) | |||
6142 | "parameters don't match", goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6142); goto error; } while (0); | |||
6143 | match = isl_space_tuple_is_equal(space, isl_dim_in, | |||
6144 | pa_space, isl_dim_in); | |||
6145 | if (match < 0) | |||
6146 | goto error; | |||
6147 | if (!match) | |||
6148 | isl_die(isl_pw_aff_get_ctx(pa), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "domains don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6149); goto error; } while (0) | |||
6149 | "domains don't match", goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "domains don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6149); goto error; } while (0); | |||
6150 | isl_space_free(pa_space); | |||
6151 | return isl_stat_ok; | |||
6152 | error: | |||
6153 | isl_space_free(pa_space); | |||
6154 | return isl_stat_error; | |||
6155 | } | |||
6156 | ||||
6157 | #undef BASEunion_pw_aff | |||
6158 | #define BASEunion_pw_aff pw_aff | |||
6159 | #undef DOMBASEunion_set | |||
6160 | #define DOMBASEunion_set set | |||
6161 | ||||
6162 | #include <isl_multi_explicit_domain.c> | |||
6163 | #include <isl_multi_pw_aff_explicit_domain.c> | |||
6164 | #include <isl_multi_templ.c> | |||
6165 | #include <isl_multi_apply_set.c> | |||
6166 | #include <isl_multi_coalesce.c> | |||
6167 | #include <isl_multi_dims.c> | |||
6168 | #include <isl_multi_gist.c> | |||
6169 | #include <isl_multi_hash.c> | |||
6170 | #include <isl_multi_align_set.c> | |||
6171 | #include <isl_multi_intersect.c> | |||
6172 | ||||
6173 | /* Does "mpa" have a non-trivial explicit domain? | |||
6174 | * | |||
6175 | * The explicit domain, if present, is trivial if it represents | |||
6176 | * an (obviously) universe set. | |||
6177 | */ | |||
6178 | isl_bool isl_multi_pw_aff_has_non_trivial_domain( | |||
6179 | __isl_keep isl_multi_pw_aff *mpa) | |||
6180 | { | |||
6181 | if (!mpa) | |||
6182 | return isl_bool_error; | |||
6183 | if (!isl_multi_pw_aff_has_explicit_domain(mpa)) | |||
6184 | return isl_bool_false; | |||
6185 | return isl_bool_not(isl_set_plain_is_universe(mpa->u.dom)); | |||
6186 | } | |||
6187 | ||||
6188 | /* Scale the elements of "pma" by the corresponding elements of "mv". | |||
6189 | */ | |||
6190 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_scale_multi_val( | |||
6191 | __isl_take isl_pw_multi_aff *pma, __isl_take isl_multi_val *mv) | |||
6192 | { | |||
6193 | int i; | |||
6194 | isl_bool equal_params; | |||
6195 | ||||
6196 | pma = isl_pw_multi_aff_cow(pma); | |||
6197 | if (!pma || !mv) | |||
6198 | goto error; | |||
6199 | if (!isl_space_tuple_is_equal(pma->dim, isl_dim_out, | |||
6200 | mv->space, isl_dim_set)) | |||
6201 | isl_die(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid,do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6202); goto error; } while (0) | |||
6202 | "spaces don't match", goto error)do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6202); goto error; } while (0); | |||
6203 | equal_params = isl_space_has_equal_params(pma->dim, mv->space); | |||
6204 | if (equal_params < 0) | |||
6205 | goto error; | |||
6206 | if (!equal_params) { | |||
6207 | pma = isl_pw_multi_aff_align_params(pma, | |||
6208 | isl_multi_val_get_space(mv)); | |||
6209 | mv = isl_multi_val_align_params(mv, | |||
6210 | isl_pw_multi_aff_get_space(pma)); | |||
6211 | if (!pma || !mv) | |||
6212 | goto error; | |||
6213 | } | |||
6214 | ||||
6215 | for (i = 0; i < pma->n; ++i) { | |||
6216 | pma->p[i].maff = isl_multi_aff_scale_multi_val(pma->p[i].maff, | |||
6217 | isl_multi_val_copy(mv)); | |||
6218 | if (!pma->p[i].maff) | |||
6219 | goto error; | |||
6220 | } | |||
6221 | ||||
6222 | isl_multi_val_free(mv); | |||
6223 | return pma; | |||
6224 | error: | |||
6225 | isl_multi_val_free(mv); | |||
6226 | isl_pw_multi_aff_free(pma); | |||
6227 | return NULL((void*)0); | |||
6228 | } | |||
6229 | ||||
6230 | /* This function is called for each entry of an isl_union_pw_multi_aff. | |||
6231 | * If the space of the entry matches that of data->mv, | |||
6232 | * then apply isl_pw_multi_aff_scale_multi_val and return the result. | |||
6233 | * Otherwise, return an empty isl_pw_multi_aff. | |||
6234 | */ | |||
6235 | static __isl_give isl_pw_multi_aff *union_pw_multi_aff_scale_multi_val_entry( | |||
6236 | __isl_take isl_pw_multi_aff *pma, void *user) | |||
6237 | { | |||
6238 | isl_multi_val *mv = user; | |||
6239 | ||||
6240 | if (!pma) | |||
6241 | return NULL((void*)0); | |||
6242 | if (!isl_space_tuple_is_equal(pma->dim, isl_dim_out, | |||
6243 | mv->space, isl_dim_set)) { | |||
6244 | isl_space *space = isl_pw_multi_aff_get_space(pma); | |||
6245 | isl_pw_multi_aff_free(pma); | |||
6246 | return isl_pw_multi_aff_empty(space); | |||
6247 | } | |||
6248 | ||||
6249 | return isl_pw_multi_aff_scale_multi_val(pma, isl_multi_val_copy(mv)); | |||
6250 | } | |||
6251 | ||||
6252 | /* Scale the elements of "upma" by the corresponding elements of "mv", | |||
6253 | * for those entries that match the space of "mv". | |||
6254 | */ | |||
6255 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_scale_multi_val( | |||
6256 | __isl_take isl_union_pw_multi_aff *upma, __isl_take isl_multi_val *mv) | |||
6257 | { | |||
6258 | upma = isl_union_pw_multi_aff_align_params(upma, | |||
6259 | isl_multi_val_get_space(mv)); | |||
6260 | mv = isl_multi_val_align_params(mv, | |||
6261 | isl_union_pw_multi_aff_get_space(upma)); | |||
6262 | if (!upma || !mv) | |||
6263 | goto error; | |||
6264 | ||||
6265 | return isl_union_pw_multi_aff_transform(upma, | |||
6266 | &union_pw_multi_aff_scale_multi_val_entry, mv); | |||
6267 | ||||
6268 | isl_multi_val_free(mv); | |||
6269 | return upma; | |||
6270 | error: | |||
6271 | isl_multi_val_free(mv); | |||
6272 | isl_union_pw_multi_aff_free(upma); | |||
6273 | return NULL((void*)0); | |||
6274 | } | |||
6275 | ||||
6276 | /* Construct and return a piecewise multi affine expression | |||
6277 | * in the given space with value zero in each of the output dimensions and | |||
6278 | * a universe domain. | |||
6279 | */ | |||
6280 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_zero(__isl_take isl_space *space) | |||
6281 | { | |||
6282 | return isl_pw_multi_aff_from_multi_aff(isl_multi_aff_zero(space)); | |||
6283 | } | |||
6284 | ||||
6285 | /* Construct and return a piecewise multi affine expression | |||
6286 | * that is equal to the given piecewise affine expression. | |||
6287 | */ | |||
6288 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_pw_aff( | |||
6289 | __isl_take isl_pw_aff *pa) | |||
6290 | { | |||
6291 | int i; | |||
6292 | isl_space *space; | |||
6293 | isl_pw_multi_aff *pma; | |||
6294 | ||||
6295 | if (!pa) | |||
6296 | return NULL((void*)0); | |||
6297 | ||||
6298 | space = isl_pw_aff_get_space(pa); | |||
6299 | pma = isl_pw_multi_aff_alloc_size(space, pa->n); | |||
6300 | ||||
6301 | for (i = 0; i < pa->n; ++i) { | |||
6302 | isl_setisl_map *set; | |||
6303 | isl_multi_aff *ma; | |||
6304 | ||||
6305 | set = isl_set_copy(pa->p[i].set); | |||
6306 | ma = isl_multi_aff_from_aff(isl_aff_copy(pa->p[i].aff)); | |||
6307 | pma = isl_pw_multi_aff_add_piece(pma, set, ma); | |||
6308 | } | |||
6309 | ||||
6310 | isl_pw_aff_free(pa); | |||
6311 | return pma; | |||
6312 | } | |||
6313 | ||||
6314 | /* Construct and return a piecewise multi affine expression | |||
6315 | * that is equal to the given multi piecewise affine expression | |||
6316 | * on the shared domain of the piecewise affine expressions, | |||
6317 | * in the special case of a 0D multi piecewise affine expression. | |||
6318 | * | |||
6319 | * Create a piecewise multi affine expression with the explicit domain of | |||
6320 | * the 0D multi piecewise affine expression as domain. | |||
6321 | */ | |||
6322 | static __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_multi_pw_aff_0D( | |||
6323 | __isl_take isl_multi_pw_aff *mpa) | |||
6324 | { | |||
6325 | isl_space *space; | |||
6326 | isl_setisl_map *dom; | |||
6327 | isl_multi_aff *ma; | |||
6328 | ||||
6329 | space = isl_multi_pw_aff_get_space(mpa); | |||
6330 | dom = isl_multi_pw_aff_get_explicit_domain(mpa); | |||
6331 | isl_multi_pw_aff_free(mpa); | |||
6332 | ||||
6333 | ma = isl_multi_aff_zero(space); | |||
6334 | return isl_pw_multi_aff_alloc(dom, ma); | |||
6335 | } | |||
6336 | ||||
6337 | /* Construct and return a piecewise multi affine expression | |||
6338 | * that is equal to the given multi piecewise affine expression | |||
6339 | * on the shared domain of the piecewise affine expressions. | |||
6340 | */ | |||
6341 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_multi_pw_aff( | |||
6342 | __isl_take isl_multi_pw_aff *mpa) | |||
6343 | { | |||
6344 | int i; | |||
6345 | isl_space *space; | |||
6346 | isl_pw_aff *pa; | |||
6347 | isl_pw_multi_aff *pma; | |||
6348 | ||||
6349 | if (!mpa) | |||
6350 | return NULL((void*)0); | |||
6351 | ||||
6352 | if (mpa->n == 0) | |||
6353 | return isl_pw_multi_aff_from_multi_pw_aff_0D(mpa); | |||
6354 | ||||
6355 | space = isl_multi_pw_aff_get_space(mpa); | |||
6356 | pa = isl_multi_pw_aff_get_pw_aff(mpa, 0); | |||
6357 | pma = isl_pw_multi_aff_from_pw_aff(pa); | |||
6358 | ||||
6359 | for (i = 1; i < mpa->n; ++i) { | |||
6360 | isl_pw_multi_aff *pma_i; | |||
6361 | ||||
6362 | pa = isl_multi_pw_aff_get_pw_aff(mpa, i); | |||
6363 | pma_i = isl_pw_multi_aff_from_pw_aff(pa); | |||
6364 | pma = isl_pw_multi_aff_range_product(pma, pma_i); | |||
6365 | } | |||
6366 | ||||
6367 | pma = isl_pw_multi_aff_reset_space(pma, space); | |||
6368 | ||||
6369 | isl_multi_pw_aff_free(mpa); | |||
6370 | return pma; | |||
6371 | } | |||
6372 | ||||
6373 | /* Construct and return a multi piecewise affine expression | |||
6374 | * that is equal to the given multi affine expression. | |||
6375 | */ | |||
6376 | __isl_give isl_multi_pw_aff *isl_multi_pw_aff_from_multi_aff( | |||
6377 | __isl_take isl_multi_aff *ma) | |||
6378 | { | |||
6379 | int i, n; | |||
6380 | isl_multi_pw_aff *mpa; | |||
6381 | ||||
6382 | if (!ma) | |||
6383 | return NULL((void*)0); | |||
6384 | ||||
6385 | n = isl_multi_aff_dim(ma, isl_dim_out); | |||
6386 | mpa = isl_multi_pw_aff_alloc(isl_multi_aff_get_space(ma)); | |||
6387 | ||||
6388 | for (i = 0; i < n; ++i) { | |||
6389 | isl_pw_aff *pa; | |||
6390 | ||||
6391 | pa = isl_pw_aff_from_aff(isl_multi_aff_get_aff(ma, i)); | |||
6392 | mpa = isl_multi_pw_aff_set_pw_aff(mpa, i, pa); | |||
6393 | } | |||
6394 | ||||
6395 | isl_multi_aff_free(ma); | |||
6396 | return mpa; | |||
6397 | } | |||
6398 | ||||
6399 | /* Construct and return a multi piecewise affine expression | |||
6400 | * that is equal to the given piecewise multi affine expression. | |||
6401 | * | |||
6402 | * If the resulting multi piecewise affine expression has | |||
6403 | * an explicit domain, then assign it the domain of the input. | |||
6404 | * In other cases, the domain is stored in the individual elements. | |||
6405 | */ | |||
6406 | __isl_give isl_multi_pw_aff *isl_multi_pw_aff_from_pw_multi_aff( | |||
6407 | __isl_take isl_pw_multi_aff *pma) | |||
6408 | { | |||
6409 | int i, n; | |||
6410 | isl_space *space; | |||
6411 | isl_multi_pw_aff *mpa; | |||
6412 | ||||
6413 | if (!pma) | |||
6414 | return NULL((void*)0); | |||
6415 | ||||
6416 | n = isl_pw_multi_aff_dim(pma, isl_dim_out); | |||
6417 | space = isl_pw_multi_aff_get_space(pma); | |||
6418 | mpa = isl_multi_pw_aff_alloc(space); | |||
6419 | ||||
6420 | for (i = 0; i < n; ++i) { | |||
6421 | isl_pw_aff *pa; | |||
6422 | ||||
6423 | pa = isl_pw_multi_aff_get_pw_aff(pma, i); | |||
6424 | mpa = isl_multi_pw_aff_set_pw_aff(mpa, i, pa); | |||
6425 | } | |||
6426 | if (isl_multi_pw_aff_has_explicit_domain(mpa)) { | |||
6427 | isl_setisl_map *dom; | |||
6428 | ||||
6429 | dom = isl_pw_multi_aff_domain(isl_pw_multi_aff_copy(pma)); | |||
6430 | mpa = isl_multi_pw_aff_intersect_domain(mpa, dom); | |||
6431 | } | |||
6432 | ||||
6433 | isl_pw_multi_aff_free(pma); | |||
6434 | return mpa; | |||
6435 | } | |||
6436 | ||||
6437 | /* Do "pa1" and "pa2" represent the same function? | |||
6438 | * | |||
6439 | * We first check if they are obviously equal. | |||
6440 | * If not, we convert them to maps and check if those are equal. | |||
6441 | * | |||
6442 | * If "pa1" or "pa2" contain any NaNs, then they are considered | |||
6443 | * not to be the same. A NaN is not equal to anything, not even | |||
6444 | * to another NaN. | |||
6445 | */ | |||
6446 | isl_bool isl_pw_aff_is_equal(__isl_keep isl_pw_aff *pa1, | |||
6447 | __isl_keep isl_pw_aff *pa2) | |||
6448 | { | |||
6449 | isl_bool equal; | |||
6450 | isl_bool has_nan; | |||
6451 | isl_map *map1, *map2; | |||
6452 | ||||
6453 | if (!pa1 || !pa2) | |||
6454 | return isl_bool_error; | |||
6455 | ||||
6456 | equal = isl_pw_aff_plain_is_equal(pa1, pa2); | |||
6457 | if (equal < 0 || equal) | |||
6458 | return equal; | |||
6459 | has_nan = either_involves_nan(pa1, pa2); | |||
6460 | if (has_nan < 0) | |||
6461 | return isl_bool_error; | |||
6462 | if (has_nan) | |||
6463 | return isl_bool_false; | |||
6464 | ||||
6465 | map1 = isl_map_from_pw_aff_internal(isl_pw_aff_copy(pa1)); | |||
6466 | map2 = isl_map_from_pw_aff_internal(isl_pw_aff_copy(pa2)); | |||
6467 | equal = isl_map_is_equal(map1, map2); | |||
6468 | isl_map_free(map1); | |||
6469 | isl_map_free(map2); | |||
6470 | ||||
6471 | return equal; | |||
6472 | } | |||
6473 | ||||
6474 | /* Do "mpa1" and "mpa2" represent the same function? | |||
6475 | * | |||
6476 | * Note that we cannot convert the entire isl_multi_pw_aff | |||
6477 | * to a map because the domains of the piecewise affine expressions | |||
6478 | * may not be the same. | |||
6479 | */ | |||
6480 | isl_bool isl_multi_pw_aff_is_equal(__isl_keep isl_multi_pw_aff *mpa1, | |||
6481 | __isl_keep isl_multi_pw_aff *mpa2) | |||
6482 | { | |||
6483 | int i; | |||
6484 | isl_bool equal, equal_params; | |||
6485 | ||||
6486 | if (!mpa1 || !mpa2) | |||
6487 | return isl_bool_error; | |||
6488 | ||||
6489 | equal_params = isl_space_has_equal_params(mpa1->space, mpa2->space); | |||
6490 | if (equal_params < 0) | |||
6491 | return isl_bool_error; | |||
6492 | if (!equal_params) { | |||
6493 | if (!isl_space_has_named_params(mpa1->space)) | |||
6494 | return isl_bool_false; | |||
6495 | if (!isl_space_has_named_params(mpa2->space)) | |||
6496 | return isl_bool_false; | |||
6497 | mpa1 = isl_multi_pw_aff_copy(mpa1); | |||
6498 | mpa2 = isl_multi_pw_aff_copy(mpa2); | |||
6499 | mpa1 = isl_multi_pw_aff_align_params(mpa1, | |||
6500 | isl_multi_pw_aff_get_space(mpa2)); | |||
6501 | mpa2 = isl_multi_pw_aff_align_params(mpa2, | |||
6502 | isl_multi_pw_aff_get_space(mpa1)); | |||
6503 | equal = isl_multi_pw_aff_is_equal(mpa1, mpa2); | |||
6504 | isl_multi_pw_aff_free(mpa1); | |||
6505 | isl_multi_pw_aff_free(mpa2); | |||
6506 | return equal; | |||
6507 | } | |||
6508 | ||||
6509 | equal = isl_space_is_equal(mpa1->space, mpa2->space); | |||
6510 | if (equal < 0 || !equal) | |||
6511 | return equal; | |||
6512 | ||||
6513 | for (i = 0; i < mpa1->n; ++i) { | |||
6514 | equal = isl_pw_aff_is_equal(mpa1->u.p[i], mpa2->u.p[i]); | |||
6515 | if (equal < 0 || !equal) | |||
6516 | return equal; | |||
6517 | } | |||
6518 | ||||
6519 | return isl_bool_true; | |||
6520 | } | |||
6521 | ||||
6522 | /* Do "pma1" and "pma2" represent the same function? | |||
6523 | * | |||
6524 | * First check if they are obviously equal. | |||
6525 | * If not, then convert them to maps and check if those are equal. | |||
6526 | * | |||
6527 | * If "pa1" or "pa2" contain any NaNs, then they are considered | |||
6528 | * not to be the same. A NaN is not equal to anything, not even | |||
6529 | * to another NaN. | |||
6530 | */ | |||
6531 | isl_bool isl_pw_multi_aff_is_equal(__isl_keep isl_pw_multi_aff *pma1, | |||
6532 | __isl_keep isl_pw_multi_aff *pma2) | |||
6533 | { | |||
6534 | isl_bool equal; | |||
6535 | isl_bool has_nan; | |||
6536 | isl_map *map1, *map2; | |||
6537 | ||||
6538 | if (!pma1 || !pma2) | |||
6539 | return isl_bool_error; | |||
6540 | ||||
6541 | equal = isl_pw_multi_aff_plain_is_equal(pma1, pma2); | |||
6542 | if (equal < 0 || equal) | |||
6543 | return equal; | |||
6544 | has_nan = isl_pw_multi_aff_involves_nan(pma1); | |||
6545 | if (has_nan >= 0 && !has_nan) | |||
6546 | has_nan = isl_pw_multi_aff_involves_nan(pma2); | |||
6547 | if (has_nan < 0 || has_nan) | |||
6548 | return isl_bool_not(has_nan); | |||
6549 | ||||
6550 | map1 = isl_map_from_pw_multi_aff(isl_pw_multi_aff_copy(pma1)); | |||
6551 | map2 = isl_map_from_pw_multi_aff(isl_pw_multi_aff_copy(pma2)); | |||
6552 | equal = isl_map_is_equal(map1, map2); | |||
6553 | isl_map_free(map1); | |||
6554 | isl_map_free(map2); | |||
6555 | ||||
6556 | return equal; | |||
6557 | } | |||
6558 | ||||
6559 | /* Compute the pullback of "mpa" by the function represented by "ma". | |||
6560 | * In other words, plug in "ma" in "mpa". | |||
6561 | * | |||
6562 | * The parameters of "mpa" and "ma" are assumed to have been aligned. | |||
6563 | * | |||
6564 | * If "mpa" has an explicit domain, then it is this domain | |||
6565 | * that needs to undergo a pullback, i.e., a preimage. | |||
6566 | */ | |||
6567 | static __isl_give isl_multi_pw_aff *isl_multi_pw_aff_pullback_multi_aff_aligned( | |||
6568 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_multi_aff *ma) | |||
6569 | { | |||
6570 | int i; | |||
6571 | isl_space *space = NULL((void*)0); | |||
6572 | ||||
6573 | mpa = isl_multi_pw_aff_cow(mpa); | |||
6574 | if (!mpa || !ma) | |||
6575 | goto error; | |||
6576 | ||||
6577 | space = isl_space_join(isl_multi_aff_get_space(ma), | |||
6578 | isl_multi_pw_aff_get_space(mpa)); | |||
6579 | if (!space) | |||
6580 | goto error; | |||
6581 | ||||
6582 | for (i = 0; i < mpa->n; ++i) { | |||
6583 | mpa->u.p[i] = isl_pw_aff_pullback_multi_aff(mpa->u.p[i], | |||
6584 | isl_multi_aff_copy(ma)); | |||
6585 | if (!mpa->u.p[i]) | |||
6586 | goto error; | |||
6587 | } | |||
6588 | if (isl_multi_pw_aff_has_explicit_domain(mpa)) { | |||
6589 | mpa->u.dom = isl_set_preimage_multi_aff(mpa->u.dom, | |||
6590 | isl_multi_aff_copy(ma)); | |||
6591 | if (!mpa->u.dom) | |||
6592 | goto error; | |||
6593 | } | |||
6594 | ||||
6595 | isl_multi_aff_free(ma); | |||
6596 | isl_space_free(mpa->space); | |||
6597 | mpa->space = space; | |||
6598 | return mpa; | |||
6599 | error: | |||
6600 | isl_space_free(space); | |||
6601 | isl_multi_pw_aff_free(mpa); | |||
6602 | isl_multi_aff_free(ma); | |||
6603 | return NULL((void*)0); | |||
6604 | } | |||
6605 | ||||
6606 | /* Compute the pullback of "mpa" by the function represented by "ma". | |||
6607 | * In other words, plug in "ma" in "mpa". | |||
6608 | */ | |||
6609 | __isl_give isl_multi_pw_aff *isl_multi_pw_aff_pullback_multi_aff( | |||
6610 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_multi_aff *ma) | |||
6611 | { | |||
6612 | isl_bool equal_params; | |||
6613 | ||||
6614 | if (!mpa || !ma) | |||
6615 | goto error; | |||
6616 | equal_params = isl_space_has_equal_params(mpa->space, ma->space); | |||
6617 | if (equal_params < 0) | |||
6618 | goto error; | |||
6619 | if (equal_params) | |||
6620 | return isl_multi_pw_aff_pullback_multi_aff_aligned(mpa, ma); | |||
6621 | mpa = isl_multi_pw_aff_align_params(mpa, isl_multi_aff_get_space(ma)); | |||
6622 | ma = isl_multi_aff_align_params(ma, isl_multi_pw_aff_get_space(mpa)); | |||
6623 | return isl_multi_pw_aff_pullback_multi_aff_aligned(mpa, ma); | |||
6624 | error: | |||
6625 | isl_multi_pw_aff_free(mpa); | |||
6626 | isl_multi_aff_free(ma); | |||
6627 | return NULL((void*)0); | |||
6628 | } | |||
6629 | ||||
6630 | /* Compute the pullback of "mpa" by the function represented by "pma". | |||
6631 | * In other words, plug in "pma" in "mpa". | |||
6632 | * | |||
6633 | * The parameters of "mpa" and "mpa" are assumed to have been aligned. | |||
6634 | * | |||
6635 | * If "mpa" has an explicit domain, then it is this domain | |||
6636 | * that needs to undergo a pullback, i.e., a preimage. | |||
6637 | */ | |||
6638 | static __isl_give isl_multi_pw_aff * | |||
6639 | isl_multi_pw_aff_pullback_pw_multi_aff_aligned( | |||
6640 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_pw_multi_aff *pma) | |||
6641 | { | |||
6642 | int i; | |||
6643 | isl_space *space = NULL((void*)0); | |||
6644 | ||||
6645 | mpa = isl_multi_pw_aff_cow(mpa); | |||
6646 | if (!mpa || !pma) | |||
6647 | goto error; | |||
6648 | ||||
6649 | space = isl_space_join(isl_pw_multi_aff_get_space(pma), | |||
6650 | isl_multi_pw_aff_get_space(mpa)); | |||
6651 | ||||
6652 | for (i = 0; i < mpa->n; ++i) { | |||
6653 | mpa->u.p[i] = isl_pw_aff_pullback_pw_multi_aff_aligned( | |||
6654 | mpa->u.p[i], isl_pw_multi_aff_copy(pma)); | |||
6655 | if (!mpa->u.p[i]) | |||
6656 | goto error; | |||
6657 | } | |||
6658 | if (isl_multi_pw_aff_has_explicit_domain(mpa)) { | |||
6659 | mpa->u.dom = isl_set_preimage_pw_multi_aff(mpa->u.dom, | |||
6660 | isl_pw_multi_aff_copy(pma)); | |||
6661 | if (!mpa->u.dom) | |||
6662 | goto error; | |||
6663 | } | |||
6664 | ||||
6665 | isl_pw_multi_aff_free(pma); | |||
6666 | isl_space_free(mpa->space); | |||
6667 | mpa->space = space; | |||
6668 | return mpa; | |||
6669 | error: | |||
6670 | isl_space_free(space); | |||
6671 | isl_multi_pw_aff_free(mpa); | |||
6672 | isl_pw_multi_aff_free(pma); | |||
6673 | return NULL((void*)0); | |||
6674 | } | |||
6675 | ||||
6676 | /* Compute the pullback of "mpa" by the function represented by "pma". | |||
6677 | * In other words, plug in "pma" in "mpa". | |||
6678 | */ | |||
6679 | __isl_give isl_multi_pw_aff *isl_multi_pw_aff_pullback_pw_multi_aff( | |||
6680 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_pw_multi_aff *pma) | |||
6681 | { | |||
6682 | isl_bool equal_params; | |||
6683 | ||||
6684 | if (!mpa || !pma) | |||
6685 | goto error; | |||
6686 | equal_params = isl_space_has_equal_params(mpa->space, pma->dim); | |||
6687 | if (equal_params < 0) | |||
6688 | goto error; | |||
6689 | if (equal_params) | |||
6690 | return isl_multi_pw_aff_pullback_pw_multi_aff_aligned(mpa, pma); | |||
6691 | mpa = isl_multi_pw_aff_align_params(mpa, | |||
6692 | isl_pw_multi_aff_get_space(pma)); | |||
6693 | pma = isl_pw_multi_aff_align_params(pma, | |||
6694 | isl_multi_pw_aff_get_space(mpa)); | |||
6695 | return isl_multi_pw_aff_pullback_pw_multi_aff_aligned(mpa, pma); | |||
6696 | error: | |||
6697 | isl_multi_pw_aff_free(mpa); | |||
6698 | isl_pw_multi_aff_free(pma); | |||
6699 | return NULL((void*)0); | |||
6700 | } | |||
6701 | ||||
6702 | /* Apply "aff" to "mpa". The range of "mpa" needs to be compatible | |||
6703 | * with the domain of "aff". The domain of the result is the same | |||
6704 | * as that of "mpa". | |||
6705 | * "mpa" and "aff" are assumed to have been aligned. | |||
6706 | * | |||
6707 | * We first extract the parametric constant from "aff", defined | |||
6708 | * over the correct domain. | |||
6709 | * Then we add the appropriate combinations of the members of "mpa". | |||
6710 | * Finally, we add the integer divisions through recursive calls. | |||
6711 | */ | |||
6712 | static __isl_give isl_pw_aff *isl_multi_pw_aff_apply_aff_aligned( | |||
6713 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_aff *aff) | |||
6714 | { | |||
6715 | int i, n_in, n_div; | |||
6716 | isl_space *space; | |||
6717 | isl_val *v; | |||
6718 | isl_pw_aff *pa; | |||
6719 | isl_aff *tmp; | |||
6720 | ||||
6721 | n_in = isl_aff_dim(aff, isl_dim_in); | |||
6722 | n_div = isl_aff_dim(aff, isl_dim_div); | |||
6723 | ||||
6724 | space = isl_space_domain(isl_multi_pw_aff_get_space(mpa)); | |||
6725 | tmp = isl_aff_copy(aff); | |||
6726 | tmp = isl_aff_drop_dims(tmp, isl_dim_div, 0, n_div); | |||
6727 | tmp = isl_aff_drop_dims(tmp, isl_dim_in, 0, n_in); | |||
6728 | tmp = isl_aff_add_dims(tmp, isl_dim_in, | |||
6729 | isl_space_dim(space, isl_dim_set)); | |||
6730 | tmp = isl_aff_reset_domain_space(tmp, space); | |||
6731 | pa = isl_pw_aff_from_aff(tmp); | |||
6732 | ||||
6733 | for (i = 0; i < n_in; ++i) { | |||
6734 | isl_pw_aff *pa_i; | |||
6735 | ||||
6736 | if (!isl_aff_involves_dims(aff, isl_dim_in, i, 1)) | |||
6737 | continue; | |||
6738 | v = isl_aff_get_coefficient_val(aff, isl_dim_in, i); | |||
6739 | pa_i = isl_multi_pw_aff_get_pw_aff(mpa, i); | |||
6740 | pa_i = isl_pw_aff_scale_val(pa_i, v); | |||
6741 | pa = isl_pw_aff_add(pa, pa_i); | |||
6742 | } | |||
6743 | ||||
6744 | for (i = 0; i < n_div; ++i) { | |||
6745 | isl_aff *div; | |||
6746 | isl_pw_aff *pa_i; | |||
6747 | ||||
6748 | if (!isl_aff_involves_dims(aff, isl_dim_div, i, 1)) | |||
6749 | continue; | |||
6750 | div = isl_aff_get_div(aff, i); | |||
6751 | pa_i = isl_multi_pw_aff_apply_aff_aligned( | |||
6752 | isl_multi_pw_aff_copy(mpa), div); | |||
6753 | pa_i = isl_pw_aff_floor(pa_i); | |||
6754 | v = isl_aff_get_coefficient_val(aff, isl_dim_div, i); | |||
6755 | pa_i = isl_pw_aff_scale_val(pa_i, v); | |||
6756 | pa = isl_pw_aff_add(pa, pa_i); | |||
6757 | } | |||
6758 | ||||
6759 | isl_multi_pw_aff_free(mpa); | |||
6760 | isl_aff_free(aff); | |||
6761 | ||||
6762 | return pa; | |||
6763 | } | |||
6764 | ||||
6765 | /* Apply "aff" to "mpa". The range of "mpa" needs to be compatible | |||
6766 | * with the domain of "aff". The domain of the result is the same | |||
6767 | * as that of "mpa". | |||
6768 | */ | |||
6769 | __isl_give isl_pw_aff *isl_multi_pw_aff_apply_aff( | |||
6770 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_aff *aff) | |||
6771 | { | |||
6772 | isl_bool equal_params; | |||
6773 | ||||
6774 | if (!aff || !mpa) | |||
6775 | goto error; | |||
6776 | equal_params = isl_space_has_equal_params(aff->ls->dim, mpa->space); | |||
6777 | if (equal_params < 0) | |||
6778 | goto error; | |||
6779 | if (equal_params) | |||
6780 | return isl_multi_pw_aff_apply_aff_aligned(mpa, aff); | |||
6781 | ||||
6782 | aff = isl_aff_align_params(aff, isl_multi_pw_aff_get_space(mpa)); | |||
6783 | mpa = isl_multi_pw_aff_align_params(mpa, isl_aff_get_space(aff)); | |||
6784 | ||||
6785 | return isl_multi_pw_aff_apply_aff_aligned(mpa, aff); | |||
6786 | error: | |||
6787 | isl_aff_free(aff); | |||
6788 | isl_multi_pw_aff_free(mpa); | |||
6789 | return NULL((void*)0); | |||
6790 | } | |||
6791 | ||||
6792 | /* Apply "pa" to "mpa". The range of "mpa" needs to be compatible | |||
6793 | * with the domain of "pa". The domain of the result is the same | |||
6794 | * as that of "mpa". | |||
6795 | * "mpa" and "pa" are assumed to have been aligned. | |||
6796 | * | |||
6797 | * We consider each piece in turn. Note that the domains of the | |||
6798 | * pieces are assumed to be disjoint and they remain disjoint | |||
6799 | * after taking the preimage (over the same function). | |||
6800 | */ | |||
6801 | static __isl_give isl_pw_aff *isl_multi_pw_aff_apply_pw_aff_aligned( | |||
6802 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_pw_aff *pa) | |||
6803 | { | |||
6804 | isl_space *space; | |||
6805 | isl_pw_aff *res; | |||
6806 | int i; | |||
6807 | ||||
6808 | if (!mpa || !pa) | |||
6809 | goto error; | |||
6810 | ||||
6811 | space = isl_space_join(isl_multi_pw_aff_get_space(mpa), | |||
6812 | isl_pw_aff_get_space(pa)); | |||
6813 | res = isl_pw_aff_empty(space); | |||
6814 | ||||
6815 | for (i = 0; i < pa->n; ++i) { | |||
6816 | isl_pw_aff *pa_i; | |||
6817 | isl_setisl_map *domain; | |||
6818 | ||||
6819 | pa_i = isl_multi_pw_aff_apply_aff_aligned( | |||
6820 | isl_multi_pw_aff_copy(mpa), | |||
6821 | isl_aff_copy(pa->p[i].aff)); | |||
6822 | domain = isl_set_copy(pa->p[i].set); | |||
6823 | domain = isl_set_preimage_multi_pw_aff(domain, | |||
6824 | isl_multi_pw_aff_copy(mpa)); | |||
6825 | pa_i = isl_pw_aff_intersect_domain(pa_i, domain); | |||
6826 | res = isl_pw_aff_add_disjoint(res, pa_i); | |||
6827 | } | |||
6828 | ||||
6829 | isl_pw_aff_free(pa); | |||
6830 | isl_multi_pw_aff_free(mpa); | |||
6831 | return res; | |||
6832 | error: | |||
6833 | isl_pw_aff_free(pa); | |||
6834 | isl_multi_pw_aff_free(mpa); | |||
6835 | return NULL((void*)0); | |||
6836 | } | |||
6837 | ||||
6838 | /* Apply "pa" to "mpa". The range of "mpa" needs to be compatible | |||
6839 | * with the domain of "pa". The domain of the result is the same | |||
6840 | * as that of "mpa". | |||
6841 | */ | |||
6842 | __isl_give isl_pw_aff *isl_multi_pw_aff_apply_pw_aff( | |||
6843 | __isl_take isl_multi_pw_aff *mpa, __isl_take isl_pw_aff *pa) | |||
6844 | { | |||
6845 | isl_bool equal_params; | |||
6846 | ||||
6847 | if (!pa || !mpa) | |||
6848 | goto error; | |||
6849 | equal_params = isl_space_has_equal_params(pa->dim, mpa->space); | |||
6850 | if (equal_params < 0) | |||
6851 | goto error; | |||
6852 | if (equal_params) | |||
6853 | return isl_multi_pw_aff_apply_pw_aff_aligned(mpa, pa); | |||
6854 | ||||
6855 | pa = isl_pw_aff_align_params(pa, isl_multi_pw_aff_get_space(mpa)); | |||
6856 | mpa = isl_multi_pw_aff_align_params(mpa, isl_pw_aff_get_space(pa)); | |||
6857 | ||||
6858 | return isl_multi_pw_aff_apply_pw_aff_aligned(mpa, pa); | |||
6859 | error: | |||
6860 | isl_pw_aff_free(pa); | |||
6861 | isl_multi_pw_aff_free(mpa); | |||
6862 | return NULL((void*)0); | |||
6863 | } | |||
6864 | ||||
6865 | /* Compute the pullback of "pa" by the function represented by "mpa". | |||
6866 | * In other words, plug in "mpa" in "pa". | |||
6867 | * "pa" and "mpa" are assumed to have been aligned. | |||
6868 | * | |||
6869 | * The pullback is computed by applying "pa" to "mpa". | |||
6870 | */ | |||
6871 | static __isl_give isl_pw_aff *isl_pw_aff_pullback_multi_pw_aff_aligned( | |||
6872 | __isl_take isl_pw_aff *pa, __isl_take isl_multi_pw_aff *mpa) | |||
6873 | { | |||
6874 | return isl_multi_pw_aff_apply_pw_aff_aligned(mpa, pa); | |||
6875 | } | |||
6876 | ||||
6877 | /* Compute the pullback of "pa" by the function represented by "mpa". | |||
6878 | * In other words, plug in "mpa" in "pa". | |||
6879 | * | |||
6880 | * The pullback is computed by applying "pa" to "mpa". | |||
6881 | */ | |||
6882 | __isl_give isl_pw_aff *isl_pw_aff_pullback_multi_pw_aff( | |||
6883 | __isl_take isl_pw_aff *pa, __isl_take isl_multi_pw_aff *mpa) | |||
6884 | { | |||
6885 | return isl_multi_pw_aff_apply_pw_aff(mpa, pa); | |||
6886 | } | |||
6887 | ||||
6888 | /* Compute the pullback of "mpa1" by the function represented by "mpa2". | |||
6889 | * In other words, plug in "mpa2" in "mpa1". | |||
6890 | * | |||
6891 | * The parameters of "mpa1" and "mpa2" are assumed to have been aligned. | |||
6892 | * | |||
6893 | * We pullback each member of "mpa1" in turn. | |||
6894 | * | |||
6895 | * If "mpa1" has an explicit domain, then it is this domain | |||
6896 | * that needs to undergo a pullback instead, i.e., a preimage. | |||
6897 | */ | |||
6898 | static __isl_give isl_multi_pw_aff * | |||
6899 | isl_multi_pw_aff_pullback_multi_pw_aff_aligned( | |||
6900 | __isl_take isl_multi_pw_aff *mpa1, __isl_take isl_multi_pw_aff *mpa2) | |||
6901 | { | |||
6902 | int i; | |||
6903 | isl_space *space = NULL((void*)0); | |||
6904 | ||||
6905 | mpa1 = isl_multi_pw_aff_cow(mpa1); | |||
6906 | if (!mpa1 || !mpa2) | |||
6907 | goto error; | |||
6908 | ||||
6909 | space = isl_space_join(isl_multi_pw_aff_get_space(mpa2), | |||
6910 | isl_multi_pw_aff_get_space(mpa1)); | |||
6911 | ||||
6912 | for (i = 0; i < mpa1->n; ++i) { | |||
6913 | mpa1->u.p[i] = isl_pw_aff_pullback_multi_pw_aff_aligned( | |||
6914 | mpa1->u.p[i], isl_multi_pw_aff_copy(mpa2)); | |||
6915 | if (!mpa1->u.p[i]) | |||
6916 | goto error; | |||
6917 | } | |||
6918 | ||||
6919 | if (isl_multi_pw_aff_has_explicit_domain(mpa1)) { | |||
6920 | mpa1->u.dom = isl_set_preimage_multi_pw_aff(mpa1->u.dom, | |||
6921 | isl_multi_pw_aff_copy(mpa2)); | |||
6922 | if (!mpa1->u.dom) | |||
6923 | goto error; | |||
6924 | } | |||
6925 | mpa1 = isl_multi_pw_aff_reset_space(mpa1, space); | |||
6926 | ||||
6927 | isl_multi_pw_aff_free(mpa2); | |||
6928 | return mpa1; | |||
6929 | error: | |||
6930 | isl_space_free(space); | |||
6931 | isl_multi_pw_aff_free(mpa1); | |||
6932 | isl_multi_pw_aff_free(mpa2); | |||
6933 | return NULL((void*)0); | |||
6934 | } | |||
6935 | ||||
6936 | /* Compute the pullback of "mpa1" by the function represented by "mpa2". | |||
6937 | * In other words, plug in "mpa2" in "mpa1". | |||
6938 | */ | |||
6939 | __isl_give isl_multi_pw_aff *isl_multi_pw_aff_pullback_multi_pw_aff( | |||
6940 | __isl_take isl_multi_pw_aff *mpa1, __isl_take isl_multi_pw_aff *mpa2) | |||
6941 | { | |||
6942 | return isl_multi_pw_aff_align_params_multi_multi_and(mpa1, mpa2, | |||
6943 | &isl_multi_pw_aff_pullback_multi_pw_aff_aligned); | |||
6944 | } | |||
6945 | ||||
6946 | /* Align the parameters of "mpa1" and "mpa2", check that the ranges | |||
6947 | * of "mpa1" and "mpa2" live in the same space, construct map space | |||
6948 | * between the domain spaces of "mpa1" and "mpa2" and call "order" | |||
6949 | * with this map space as extract argument. | |||
6950 | */ | |||
6951 | static __isl_give isl_map *isl_multi_pw_aff_order_map( | |||
6952 | __isl_take isl_multi_pw_aff *mpa1, __isl_take isl_multi_pw_aff *mpa2, | |||
6953 | __isl_give isl_map *(*order)(__isl_keep isl_multi_pw_aff *mpa1, | |||
6954 | __isl_keep isl_multi_pw_aff *mpa2, __isl_take isl_space *space)) | |||
6955 | { | |||
6956 | int match; | |||
6957 | isl_space *space1, *space2; | |||
6958 | isl_map *res; | |||
6959 | ||||
6960 | mpa1 = isl_multi_pw_aff_align_params(mpa1, | |||
6961 | isl_multi_pw_aff_get_space(mpa2)); | |||
6962 | mpa2 = isl_multi_pw_aff_align_params(mpa2, | |||
6963 | isl_multi_pw_aff_get_space(mpa1)); | |||
6964 | if (!mpa1 || !mpa2) | |||
6965 | goto error; | |||
6966 | match = isl_space_tuple_is_equal(mpa1->space, isl_dim_out, | |||
6967 | mpa2->space, isl_dim_out); | |||
6968 | if (match < 0) | |||
6969 | goto error; | |||
6970 | if (!match) | |||
6971 | isl_die(isl_multi_pw_aff_get_ctx(mpa1), isl_error_invalid,do { isl_handle_error(isl_multi_pw_aff_get_ctx(mpa1), isl_error_invalid , "range spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6972); goto error; } while (0) | |||
6972 | "range spaces don't match", goto error)do { isl_handle_error(isl_multi_pw_aff_get_ctx(mpa1), isl_error_invalid , "range spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 6972); goto error; } while (0); | |||
6973 | space1 = isl_space_domain(isl_multi_pw_aff_get_space(mpa1)); | |||
6974 | space2 = isl_space_domain(isl_multi_pw_aff_get_space(mpa2)); | |||
6975 | space1 = isl_space_map_from_domain_and_range(space1, space2); | |||
6976 | ||||
6977 | res = order(mpa1, mpa2, space1); | |||
6978 | isl_multi_pw_aff_free(mpa1); | |||
6979 | isl_multi_pw_aff_free(mpa2); | |||
6980 | return res; | |||
6981 | error: | |||
6982 | isl_multi_pw_aff_free(mpa1); | |||
6983 | isl_multi_pw_aff_free(mpa2); | |||
6984 | return NULL((void*)0); | |||
6985 | } | |||
6986 | ||||
6987 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
6988 | * where the function values are equal. "space" is the space of the result. | |||
6989 | * The parameters of "mpa1" and "mpa2" are assumed to have been aligned. | |||
6990 | * | |||
6991 | * "mpa1" and "mpa2" are equal when each of the pairs of elements | |||
6992 | * in the sequences are equal. | |||
6993 | */ | |||
6994 | static __isl_give isl_map *isl_multi_pw_aff_eq_map_on_space( | |||
6995 | __isl_keep isl_multi_pw_aff *mpa1, __isl_keep isl_multi_pw_aff *mpa2, | |||
6996 | __isl_take isl_space *space) | |||
6997 | { | |||
6998 | int i, n; | |||
6999 | isl_map *res; | |||
7000 | ||||
7001 | res = isl_map_universe(space); | |||
7002 | ||||
7003 | n = isl_multi_pw_aff_dim(mpa1, isl_dim_out); | |||
7004 | for (i = 0; i < n; ++i) { | |||
7005 | isl_pw_aff *pa1, *pa2; | |||
7006 | isl_map *map; | |||
7007 | ||||
7008 | pa1 = isl_multi_pw_aff_get_pw_aff(mpa1, i); | |||
7009 | pa2 = isl_multi_pw_aff_get_pw_aff(mpa2, i); | |||
7010 | map = isl_pw_aff_eq_map(pa1, pa2); | |||
7011 | res = isl_map_intersect(res, map); | |||
7012 | } | |||
7013 | ||||
7014 | return res; | |||
7015 | } | |||
7016 | ||||
7017 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
7018 | * where the function values are equal. | |||
7019 | */ | |||
7020 | __isl_give isl_map *isl_multi_pw_aff_eq_map(__isl_take isl_multi_pw_aff *mpa1, | |||
7021 | __isl_take isl_multi_pw_aff *mpa2) | |||
7022 | { | |||
7023 | return isl_multi_pw_aff_order_map(mpa1, mpa2, | |||
7024 | &isl_multi_pw_aff_eq_map_on_space); | |||
7025 | } | |||
7026 | ||||
7027 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
7028 | * where the function values of "mpa1" is lexicographically satisfies "base" | |||
7029 | * compared to that of "mpa2". "space" is the space of the result. | |||
7030 | * The parameters of "mpa1" and "mpa2" are assumed to have been aligned. | |||
7031 | * | |||
7032 | * "mpa1" lexicographically satisfies "base" compared to "mpa2" | |||
7033 | * if its i-th element satisfies "base" when compared to | |||
7034 | * the i-th element of "mpa2" while all previous elements are | |||
7035 | * pairwise equal. | |||
7036 | */ | |||
7037 | static __isl_give isl_map *isl_multi_pw_aff_lex_map_on_space( | |||
7038 | __isl_keep isl_multi_pw_aff *mpa1, __isl_keep isl_multi_pw_aff *mpa2, | |||
7039 | __isl_give isl_map *(*base)(__isl_take isl_pw_aff *pa1, | |||
7040 | __isl_take isl_pw_aff *pa2), | |||
7041 | __isl_take isl_space *space) | |||
7042 | { | |||
7043 | int i, n; | |||
7044 | isl_map *res, *rest; | |||
7045 | ||||
7046 | res = isl_map_empty(isl_space_copy(space)); | |||
7047 | rest = isl_map_universe(space); | |||
7048 | ||||
7049 | n = isl_multi_pw_aff_dim(mpa1, isl_dim_out); | |||
7050 | for (i = 0; i < n; ++i) { | |||
7051 | isl_pw_aff *pa1, *pa2; | |||
7052 | isl_map *map; | |||
7053 | ||||
7054 | pa1 = isl_multi_pw_aff_get_pw_aff(mpa1, i); | |||
7055 | pa2 = isl_multi_pw_aff_get_pw_aff(mpa2, i); | |||
7056 | map = base(pa1, pa2); | |||
7057 | map = isl_map_intersect(map, isl_map_copy(rest)); | |||
7058 | res = isl_map_union(res, map); | |||
7059 | ||||
7060 | if (i == n - 1) | |||
7061 | continue; | |||
7062 | ||||
7063 | pa1 = isl_multi_pw_aff_get_pw_aff(mpa1, i); | |||
7064 | pa2 = isl_multi_pw_aff_get_pw_aff(mpa2, i); | |||
7065 | map = isl_pw_aff_eq_map(pa1, pa2); | |||
7066 | rest = isl_map_intersect(rest, map); | |||
7067 | } | |||
7068 | ||||
7069 | isl_map_free(rest); | |||
7070 | return res; | |||
7071 | } | |||
7072 | ||||
7073 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
7074 | * where the function value of "mpa1" is lexicographically less than that | |||
7075 | * of "mpa2". "space" is the space of the result. | |||
7076 | * The parameters of "mpa1" and "mpa2" are assumed to have been aligned. | |||
7077 | * | |||
7078 | * "mpa1" is less than "mpa2" if its i-th element is smaller | |||
7079 | * than the i-th element of "mpa2" while all previous elements are | |||
7080 | * pairwise equal. | |||
7081 | */ | |||
7082 | __isl_give isl_map *isl_multi_pw_aff_lex_lt_map_on_space( | |||
7083 | __isl_keep isl_multi_pw_aff *mpa1, __isl_keep isl_multi_pw_aff *mpa2, | |||
7084 | __isl_take isl_space *space) | |||
7085 | { | |||
7086 | return isl_multi_pw_aff_lex_map_on_space(mpa1, mpa2, | |||
7087 | &isl_pw_aff_lt_map, space); | |||
7088 | } | |||
7089 | ||||
7090 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
7091 | * where the function value of "mpa1" is lexicographically less than that | |||
7092 | * of "mpa2". | |||
7093 | */ | |||
7094 | __isl_give isl_map *isl_multi_pw_aff_lex_lt_map( | |||
7095 | __isl_take isl_multi_pw_aff *mpa1, __isl_take isl_multi_pw_aff *mpa2) | |||
7096 | { | |||
7097 | return isl_multi_pw_aff_order_map(mpa1, mpa2, | |||
7098 | &isl_multi_pw_aff_lex_lt_map_on_space); | |||
7099 | } | |||
7100 | ||||
7101 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
7102 | * where the function value of "mpa1" is lexicographically greater than that | |||
7103 | * of "mpa2". "space" is the space of the result. | |||
7104 | * The parameters of "mpa1" and "mpa2" are assumed to have been aligned. | |||
7105 | * | |||
7106 | * "mpa1" is greater than "mpa2" if its i-th element is greater | |||
7107 | * than the i-th element of "mpa2" while all previous elements are | |||
7108 | * pairwise equal. | |||
7109 | */ | |||
7110 | __isl_give isl_map *isl_multi_pw_aff_lex_gt_map_on_space( | |||
7111 | __isl_keep isl_multi_pw_aff *mpa1, __isl_keep isl_multi_pw_aff *mpa2, | |||
7112 | __isl_take isl_space *space) | |||
7113 | { | |||
7114 | return isl_multi_pw_aff_lex_map_on_space(mpa1, mpa2, | |||
7115 | &isl_pw_aff_gt_map, space); | |||
7116 | } | |||
7117 | ||||
7118 | /* Return a map containing pairs of elements in the domains of "mpa1" and "mpa2" | |||
7119 | * where the function value of "mpa1" is lexicographically greater than that | |||
7120 | * of "mpa2". | |||
7121 | */ | |||
7122 | __isl_give isl_map *isl_multi_pw_aff_lex_gt_map( | |||
7123 | __isl_take isl_multi_pw_aff *mpa1, __isl_take isl_multi_pw_aff *mpa2) | |||
7124 | { | |||
7125 | return isl_multi_pw_aff_order_map(mpa1, mpa2, | |||
7126 | &isl_multi_pw_aff_lex_gt_map_on_space); | |||
7127 | } | |||
7128 | ||||
7129 | /* Compare two isl_affs. | |||
7130 | * | |||
7131 | * Return -1 if "aff1" is "smaller" than "aff2", 1 if "aff1" is "greater" | |||
7132 | * than "aff2" and 0 if they are equal. | |||
7133 | * | |||
7134 | * The order is fairly arbitrary. We do consider expressions that only involve | |||
7135 | * earlier dimensions as "smaller". | |||
7136 | */ | |||
7137 | int isl_aff_plain_cmp(__isl_keep isl_aff *aff1, __isl_keep isl_aff *aff2) | |||
7138 | { | |||
7139 | int cmp; | |||
7140 | int last1, last2; | |||
7141 | ||||
7142 | if (aff1 == aff2) | |||
7143 | return 0; | |||
7144 | ||||
7145 | if (!aff1) | |||
7146 | return -1; | |||
7147 | if (!aff2) | |||
7148 | return 1; | |||
7149 | ||||
7150 | cmp = isl_local_space_cmp(aff1->ls, aff2->ls); | |||
7151 | if (cmp != 0) | |||
7152 | return cmp; | |||
7153 | ||||
7154 | last1 = isl_seq_last_non_zero(aff1->v->el + 1, aff1->v->size - 1); | |||
7155 | last2 = isl_seq_last_non_zero(aff2->v->el + 1, aff1->v->size - 1); | |||
7156 | if (last1 != last2) | |||
7157 | return last1 - last2; | |||
7158 | ||||
7159 | return isl_seq_cmp(aff1->v->el, aff2->v->el, aff1->v->size); | |||
7160 | } | |||
7161 | ||||
7162 | /* Compare two isl_pw_affs. | |||
7163 | * | |||
7164 | * Return -1 if "pa1" is "smaller" than "pa2", 1 if "pa1" is "greater" | |||
7165 | * than "pa2" and 0 if they are equal. | |||
7166 | * | |||
7167 | * The order is fairly arbitrary. We do consider expressions that only involve | |||
7168 | * earlier dimensions as "smaller". | |||
7169 | */ | |||
7170 | int isl_pw_aff_plain_cmp(__isl_keep isl_pw_aff *pa1, | |||
7171 | __isl_keep isl_pw_aff *pa2) | |||
7172 | { | |||
7173 | int i; | |||
7174 | int cmp; | |||
7175 | ||||
7176 | if (pa1 == pa2) | |||
7177 | return 0; | |||
7178 | ||||
7179 | if (!pa1) | |||
7180 | return -1; | |||
7181 | if (!pa2) | |||
7182 | return 1; | |||
7183 | ||||
7184 | cmp = isl_space_cmp(pa1->dim, pa2->dim); | |||
7185 | if (cmp != 0) | |||
7186 | return cmp; | |||
7187 | ||||
7188 | if (pa1->n != pa2->n) | |||
7189 | return pa1->n - pa2->n; | |||
7190 | ||||
7191 | for (i = 0; i < pa1->n; ++i) { | |||
7192 | cmp = isl_set_plain_cmp(pa1->p[i].set, pa2->p[i].set); | |||
7193 | if (cmp != 0) | |||
7194 | return cmp; | |||
7195 | cmp = isl_aff_plain_cmp(pa1->p[i].aff, pa2->p[i].aff); | |||
7196 | if (cmp != 0) | |||
7197 | return cmp; | |||
7198 | } | |||
7199 | ||||
7200 | return 0; | |||
7201 | } | |||
7202 | ||||
7203 | /* Return a piecewise affine expression that is equal to "v" on "domain". | |||
7204 | */ | |||
7205 | __isl_give isl_pw_aff *isl_pw_aff_val_on_domain(__isl_take isl_setisl_map *domain, | |||
7206 | __isl_take isl_val *v) | |||
7207 | { | |||
7208 | isl_space *space; | |||
7209 | isl_local_space *ls; | |||
7210 | isl_aff *aff; | |||
7211 | ||||
7212 | space = isl_set_get_space(domain); | |||
7213 | ls = isl_local_space_from_space(space); | |||
7214 | aff = isl_aff_val_on_domain(ls, v); | |||
7215 | ||||
7216 | return isl_pw_aff_alloc(domain, aff); | |||
7217 | } | |||
7218 | ||||
7219 | /* Return a multi affine expression that is equal to "mv" on domain | |||
7220 | * space "space". | |||
7221 | */ | |||
7222 | __isl_give isl_multi_aff *isl_multi_aff_multi_val_on_space( | |||
7223 | __isl_take isl_space *space, __isl_take isl_multi_val *mv) | |||
7224 | { | |||
7225 | int i, n; | |||
7226 | isl_space *space2; | |||
7227 | isl_local_space *ls; | |||
7228 | isl_multi_aff *ma; | |||
7229 | ||||
7230 | if (!space || !mv) | |||
7231 | goto error; | |||
7232 | ||||
7233 | n = isl_multi_val_dim(mv, isl_dim_set); | |||
7234 | space2 = isl_multi_val_get_space(mv); | |||
7235 | space2 = isl_space_align_params(space2, isl_space_copy(space)); | |||
7236 | space = isl_space_align_params(space, isl_space_copy(space2)); | |||
7237 | space = isl_space_map_from_domain_and_range(space, space2); | |||
7238 | ma = isl_multi_aff_alloc(isl_space_copy(space)); | |||
7239 | ls = isl_local_space_from_space(isl_space_domain(space)); | |||
7240 | for (i = 0; i < n; ++i) { | |||
7241 | isl_val *v; | |||
7242 | isl_aff *aff; | |||
7243 | ||||
7244 | v = isl_multi_val_get_val(mv, i); | |||
7245 | aff = isl_aff_val_on_domain(isl_local_space_copy(ls), v); | |||
7246 | ma = isl_multi_aff_set_aff(ma, i, aff); | |||
7247 | } | |||
7248 | isl_local_space_free(ls); | |||
7249 | ||||
7250 | isl_multi_val_free(mv); | |||
7251 | return ma; | |||
7252 | error: | |||
7253 | isl_space_free(space); | |||
7254 | isl_multi_val_free(mv); | |||
7255 | return NULL((void*)0); | |||
7256 | } | |||
7257 | ||||
7258 | /* Return a piecewise multi-affine expression | |||
7259 | * that is equal to "mv" on "domain". | |||
7260 | */ | |||
7261 | __isl_give isl_pw_multi_aff *isl_pw_multi_aff_multi_val_on_domain( | |||
7262 | __isl_take isl_setisl_map *domain, __isl_take isl_multi_val *mv) | |||
7263 | { | |||
7264 | isl_space *space; | |||
7265 | isl_multi_aff *ma; | |||
7266 | ||||
7267 | space = isl_set_get_space(domain); | |||
7268 | ma = isl_multi_aff_multi_val_on_space(space, mv); | |||
7269 | ||||
7270 | return isl_pw_multi_aff_alloc(domain, ma); | |||
7271 | } | |||
7272 | ||||
7273 | /* Internal data structure for isl_union_pw_multi_aff_multi_val_on_domain. | |||
7274 | * mv is the value that should be attained on each domain set | |||
7275 | * res collects the results | |||
7276 | */ | |||
7277 | struct isl_union_pw_multi_aff_multi_val_on_domain_data { | |||
7278 | isl_multi_val *mv; | |||
7279 | isl_union_pw_multi_aff *res; | |||
7280 | }; | |||
7281 | ||||
7282 | /* Create an isl_pw_multi_aff equal to data->mv on "domain" | |||
7283 | * and add it to data->res. | |||
7284 | */ | |||
7285 | static isl_stat pw_multi_aff_multi_val_on_domain(__isl_take isl_setisl_map *domain, | |||
7286 | void *user) | |||
7287 | { | |||
7288 | struct isl_union_pw_multi_aff_multi_val_on_domain_data *data = user; | |||
7289 | isl_pw_multi_aff *pma; | |||
7290 | isl_multi_val *mv; | |||
7291 | ||||
7292 | mv = isl_multi_val_copy(data->mv); | |||
7293 | pma = isl_pw_multi_aff_multi_val_on_domain(domain, mv); | |||
7294 | data->res = isl_union_pw_multi_aff_add_pw_multi_aff(data->res, pma); | |||
7295 | ||||
7296 | return data->res ? isl_stat_ok : isl_stat_error; | |||
7297 | } | |||
7298 | ||||
7299 | /* Return a union piecewise multi-affine expression | |||
7300 | * that is equal to "mv" on "domain". | |||
7301 | */ | |||
7302 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_multi_val_on_domain( | |||
7303 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_multi_val *mv) | |||
7304 | { | |||
7305 | struct isl_union_pw_multi_aff_multi_val_on_domain_data data; | |||
7306 | isl_space *space; | |||
7307 | ||||
7308 | space = isl_union_set_get_space(domain); | |||
7309 | data.res = isl_union_pw_multi_aff_empty(space); | |||
7310 | data.mv = mv; | |||
7311 | if (isl_union_set_foreach_set(domain, | |||
7312 | &pw_multi_aff_multi_val_on_domain, &data) < 0) | |||
7313 | data.res = isl_union_pw_multi_aff_free(data.res); | |||
7314 | isl_union_set_free(domain); | |||
7315 | isl_multi_val_free(mv); | |||
7316 | return data.res; | |||
7317 | } | |||
7318 | ||||
7319 | /* Compute the pullback of data->pma by the function represented by "pma2", | |||
7320 | * provided the spaces match, and add the results to data->res. | |||
7321 | */ | |||
7322 | static isl_stat pullback_entry(__isl_take isl_pw_multi_aff *pma2, void *user) | |||
7323 | { | |||
7324 | struct isl_union_pw_multi_aff_bin_data *data = user; | |||
7325 | ||||
7326 | if (!isl_space_tuple_is_equal(data->pma->dim, isl_dim_in, | |||
7327 | pma2->dim, isl_dim_out)) { | |||
7328 | isl_pw_multi_aff_free(pma2); | |||
7329 | return isl_stat_ok; | |||
7330 | } | |||
7331 | ||||
7332 | pma2 = isl_pw_multi_aff_pullback_pw_multi_aff( | |||
7333 | isl_pw_multi_aff_copy(data->pma), pma2); | |||
7334 | ||||
7335 | data->res = isl_union_pw_multi_aff_add_pw_multi_aff(data->res, pma2); | |||
7336 | if (!data->res) | |||
7337 | return isl_stat_error; | |||
7338 | ||||
7339 | return isl_stat_ok; | |||
7340 | } | |||
7341 | ||||
7342 | /* Compute the pullback of "upma1" by the function represented by "upma2". | |||
7343 | */ | |||
7344 | __isl_give isl_union_pw_multi_aff * | |||
7345 | isl_union_pw_multi_aff_pullback_union_pw_multi_aff( | |||
7346 | __isl_take isl_union_pw_multi_aff *upma1, | |||
7347 | __isl_take isl_union_pw_multi_aff *upma2) | |||
7348 | { | |||
7349 | return bin_op(upma1, upma2, &pullback_entry); | |||
7350 | } | |||
7351 | ||||
7352 | /* Check that the domain space of "upa" matches "space". | |||
7353 | * | |||
7354 | * This function is called from isl_multi_union_pw_aff_set_union_pw_aff and | |||
7355 | * can in principle never fail since the space "space" is that | |||
7356 | * of the isl_multi_union_pw_aff and is a set space such that | |||
7357 | * there is no domain space to match. | |||
7358 | * | |||
7359 | * We check the parameters and double-check that "space" is | |||
7360 | * indeed that of a set. | |||
7361 | */ | |||
7362 | static isl_stat isl_union_pw_aff_check_match_domain_space( | |||
7363 | __isl_keep isl_union_pw_aff *upa, __isl_keep isl_space *space) | |||
7364 | { | |||
7365 | isl_space *upa_space; | |||
7366 | isl_bool match; | |||
7367 | ||||
7368 | if (!upa || !space) | |||
7369 | return isl_stat_error; | |||
7370 | ||||
7371 | match = isl_space_is_set(space); | |||
7372 | if (match < 0) | |||
7373 | return isl_stat_error; | |||
7374 | if (!match) | |||
7375 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7376); return isl_stat_error; } while (0) | |||
7376 | "expecting set space", return isl_stat_error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7376); return isl_stat_error; } while (0); | |||
7377 | ||||
7378 | upa_space = isl_union_pw_aff_get_space(upa); | |||
7379 | match = isl_space_has_equal_params(space, upa_space); | |||
7380 | if (match < 0) | |||
7381 | goto error; | |||
7382 | if (!match) | |||
7383 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7384); goto error; } while (0) | |||
7384 | "parameters don't match", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "parameters don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7384); goto error; } while (0); | |||
7385 | ||||
7386 | isl_space_free(upa_space); | |||
7387 | return isl_stat_ok; | |||
7388 | error: | |||
7389 | isl_space_free(upa_space); | |||
7390 | return isl_stat_error; | |||
7391 | } | |||
7392 | ||||
7393 | /* Do the parameters of "upa" match those of "space"? | |||
7394 | */ | |||
7395 | static isl_bool isl_union_pw_aff_matching_params( | |||
7396 | __isl_keep isl_union_pw_aff *upa, __isl_keep isl_space *space) | |||
7397 | { | |||
7398 | isl_space *upa_space; | |||
7399 | isl_bool match; | |||
7400 | ||||
7401 | if (!upa || !space) | |||
7402 | return isl_bool_error; | |||
7403 | ||||
7404 | upa_space = isl_union_pw_aff_get_space(upa); | |||
7405 | ||||
7406 | match = isl_space_has_equal_params(space, upa_space); | |||
7407 | ||||
7408 | isl_space_free(upa_space); | |||
7409 | return match; | |||
7410 | } | |||
7411 | ||||
7412 | /* Internal data structure for isl_union_pw_aff_reset_domain_space. | |||
7413 | * space represents the new parameters. | |||
7414 | * res collects the results. | |||
7415 | */ | |||
7416 | struct isl_union_pw_aff_reset_params_data { | |||
7417 | isl_space *space; | |||
7418 | isl_union_pw_aff *res; | |||
7419 | }; | |||
7420 | ||||
7421 | /* Replace the parameters of "pa" by data->space and | |||
7422 | * add the result to data->res. | |||
7423 | */ | |||
7424 | static isl_stat reset_params(__isl_take isl_pw_aff *pa, void *user) | |||
7425 | { | |||
7426 | struct isl_union_pw_aff_reset_params_data *data = user; | |||
7427 | isl_space *space; | |||
7428 | ||||
7429 | space = isl_pw_aff_get_space(pa); | |||
7430 | space = isl_space_replace_params(space, data->space); | |||
7431 | pa = isl_pw_aff_reset_space(pa, space); | |||
7432 | data->res = isl_union_pw_aff_add_pw_aff(data->res, pa); | |||
7433 | ||||
7434 | return data->res ? isl_stat_ok : isl_stat_error; | |||
7435 | } | |||
7436 | ||||
7437 | /* Replace the domain space of "upa" by "space". | |||
7438 | * Since a union expression does not have a (single) domain space, | |||
7439 | * "space" is necessarily a parameter space. | |||
7440 | * | |||
7441 | * Since the order and the names of the parameters determine | |||
7442 | * the hash value, we need to create a new hash table. | |||
7443 | */ | |||
7444 | static __isl_give isl_union_pw_aff *isl_union_pw_aff_reset_domain_space( | |||
7445 | __isl_take isl_union_pw_aff *upa, __isl_take isl_space *space) | |||
7446 | { | |||
7447 | struct isl_union_pw_aff_reset_params_data data = { space }; | |||
7448 | isl_bool match; | |||
7449 | ||||
7450 | match = isl_union_pw_aff_matching_params(upa, space); | |||
7451 | if (match < 0) | |||
7452 | upa = isl_union_pw_aff_free(upa); | |||
7453 | else if (match) { | |||
7454 | isl_space_free(space); | |||
7455 | return upa; | |||
7456 | } | |||
7457 | ||||
7458 | data.res = isl_union_pw_aff_empty(isl_space_copy(space)); | |||
7459 | if (isl_union_pw_aff_foreach_pw_aff(upa, &reset_params, &data) < 0) | |||
7460 | data.res = isl_union_pw_aff_free(data.res); | |||
7461 | ||||
7462 | isl_union_pw_aff_free(upa); | |||
7463 | isl_space_free(space); | |||
7464 | return data.res; | |||
7465 | } | |||
7466 | ||||
7467 | /* Return the floor of "pa". | |||
7468 | */ | |||
7469 | static __isl_give isl_pw_aff *floor_entry(__isl_take isl_pw_aff *pa, void *user) | |||
7470 | { | |||
7471 | return isl_pw_aff_floor(pa); | |||
7472 | } | |||
7473 | ||||
7474 | /* Given f, return floor(f). | |||
7475 | */ | |||
7476 | __isl_give isl_union_pw_aff *isl_union_pw_aff_floor( | |||
7477 | __isl_take isl_union_pw_aff *upa) | |||
7478 | { | |||
7479 | return isl_union_pw_aff_transform_inplace(upa, &floor_entry, NULL((void*)0)); | |||
7480 | } | |||
7481 | ||||
7482 | /* Compute | |||
7483 | * | |||
7484 | * upa mod m = upa - m * floor(upa/m) | |||
7485 | * | |||
7486 | * with m an integer value. | |||
7487 | */ | |||
7488 | __isl_give isl_union_pw_aff *isl_union_pw_aff_mod_val( | |||
7489 | __isl_take isl_union_pw_aff *upa, __isl_take isl_val *m) | |||
7490 | { | |||
7491 | isl_union_pw_aff *res; | |||
7492 | ||||
7493 | if (!upa || !m) | |||
7494 | goto error; | |||
7495 | ||||
7496 | if (!isl_val_is_int(m)) | |||
7497 | isl_die(isl_val_get_ctx(m), isl_error_invalid,do { isl_handle_error(isl_val_get_ctx(m), isl_error_invalid, "expecting integer modulo" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7498); goto error; } while (0) | |||
7498 | "expecting integer modulo", goto error)do { isl_handle_error(isl_val_get_ctx(m), isl_error_invalid, "expecting integer modulo" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7498); goto error; } while (0); | |||
7499 | if (!isl_val_is_pos(m)) | |||
7500 | isl_die(isl_val_get_ctx(m), isl_error_invalid,do { isl_handle_error(isl_val_get_ctx(m), isl_error_invalid, "expecting positive modulo" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7501); goto error; } while (0) | |||
7501 | "expecting positive modulo", goto error)do { isl_handle_error(isl_val_get_ctx(m), isl_error_invalid, "expecting positive modulo" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7501); goto error; } while (0); | |||
7502 | ||||
7503 | res = isl_union_pw_aff_copy(upa); | |||
7504 | upa = isl_union_pw_aff_scale_down_val(upa, isl_val_copy(m)); | |||
7505 | upa = isl_union_pw_aff_floor(upa); | |||
7506 | upa = isl_union_pw_aff_scale_val(upa, m); | |||
7507 | res = isl_union_pw_aff_sub(res, upa); | |||
7508 | ||||
7509 | return res; | |||
7510 | error: | |||
7511 | isl_val_free(m); | |||
7512 | isl_union_pw_aff_free(upa); | |||
7513 | return NULL((void*)0); | |||
7514 | } | |||
7515 | ||||
7516 | /* Internal data structure for isl_union_pw_multi_aff_get_union_pw_aff. | |||
7517 | * pos is the output position that needs to be extracted. | |||
7518 | * res collects the results. | |||
7519 | */ | |||
7520 | struct isl_union_pw_multi_aff_get_union_pw_aff_data { | |||
7521 | int pos; | |||
7522 | isl_union_pw_aff *res; | |||
7523 | }; | |||
7524 | ||||
7525 | /* Extract an isl_pw_aff corresponding to output dimension "pos" of "pma" | |||
7526 | * (assuming it has such a dimension) and add it to data->res. | |||
7527 | */ | |||
7528 | static isl_stat get_union_pw_aff(__isl_take isl_pw_multi_aff *pma, void *user) | |||
7529 | { | |||
7530 | struct isl_union_pw_multi_aff_get_union_pw_aff_data *data = user; | |||
7531 | int n_out; | |||
7532 | isl_pw_aff *pa; | |||
7533 | ||||
7534 | if (!pma) | |||
7535 | return isl_stat_error; | |||
7536 | ||||
7537 | n_out = isl_pw_multi_aff_dim(pma, isl_dim_out); | |||
7538 | if (data->pos >= n_out) { | |||
7539 | isl_pw_multi_aff_free(pma); | |||
7540 | return isl_stat_ok; | |||
7541 | } | |||
7542 | ||||
7543 | pa = isl_pw_multi_aff_get_pw_aff(pma, data->pos); | |||
7544 | isl_pw_multi_aff_free(pma); | |||
7545 | ||||
7546 | data->res = isl_union_pw_aff_add_pw_aff(data->res, pa); | |||
7547 | ||||
7548 | return data->res ? isl_stat_ok : isl_stat_error; | |||
7549 | } | |||
7550 | ||||
7551 | /* Extract an isl_union_pw_aff corresponding to | |||
7552 | * output dimension "pos" of "upma". | |||
7553 | */ | |||
7554 | __isl_give isl_union_pw_aff *isl_union_pw_multi_aff_get_union_pw_aff( | |||
7555 | __isl_keep isl_union_pw_multi_aff *upma, int pos) | |||
7556 | { | |||
7557 | struct isl_union_pw_multi_aff_get_union_pw_aff_data data; | |||
7558 | isl_space *space; | |||
7559 | ||||
7560 | if (!upma) | |||
7561 | return NULL((void*)0); | |||
7562 | ||||
7563 | if (pos < 0) | |||
7564 | isl_die(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid,do { isl_handle_error(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid , "cannot extract at negative position", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7565); return ((void*)0); } while (0) | |||
7565 | "cannot extract at negative position", return NULL)do { isl_handle_error(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid , "cannot extract at negative position", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7565); return ((void*)0); } while (0); | |||
7566 | ||||
7567 | space = isl_union_pw_multi_aff_get_space(upma); | |||
7568 | data.res = isl_union_pw_aff_empty(space); | |||
7569 | data.pos = pos; | |||
7570 | if (isl_union_pw_multi_aff_foreach_pw_multi_aff(upma, | |||
7571 | &get_union_pw_aff, &data) < 0) | |||
7572 | data.res = isl_union_pw_aff_free(data.res); | |||
7573 | ||||
7574 | return data.res; | |||
7575 | } | |||
7576 | ||||
7577 | /* Return a union piecewise affine expression | |||
7578 | * that is equal to "aff" on "domain". | |||
7579 | */ | |||
7580 | __isl_give isl_union_pw_aff *isl_union_pw_aff_aff_on_domain( | |||
7581 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_aff *aff) | |||
7582 | { | |||
7583 | isl_pw_aff *pa; | |||
7584 | ||||
7585 | pa = isl_pw_aff_from_aff(aff); | |||
7586 | return isl_union_pw_aff_pw_aff_on_domain(domain, pa); | |||
7587 | } | |||
7588 | ||||
7589 | /* Return a union piecewise affine expression | |||
7590 | * that is equal to the parameter identified by "id" on "domain". | |||
7591 | * | |||
7592 | * Make sure the parameter appears in the space passed to | |||
7593 | * isl_aff_param_on_domain_space_id. | |||
7594 | */ | |||
7595 | __isl_give isl_union_pw_aff *isl_union_pw_aff_param_on_domain_id( | |||
7596 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_id *id) | |||
7597 | { | |||
7598 | isl_space *space; | |||
7599 | isl_aff *aff; | |||
7600 | ||||
7601 | space = isl_union_set_get_space(domain); | |||
7602 | space = isl_space_add_param_id(space, isl_id_copy(id)); | |||
7603 | aff = isl_aff_param_on_domain_space_id(space, id); | |||
7604 | return isl_union_pw_aff_aff_on_domain(domain, aff); | |||
7605 | } | |||
7606 | ||||
7607 | /* Internal data structure for isl_union_pw_aff_pw_aff_on_domain. | |||
7608 | * "pa" is the piecewise symbolic value that the resulting isl_union_pw_aff | |||
7609 | * needs to attain. | |||
7610 | * "res" collects the results. | |||
7611 | */ | |||
7612 | struct isl_union_pw_aff_pw_aff_on_domain_data { | |||
7613 | isl_pw_aff *pa; | |||
7614 | isl_union_pw_aff *res; | |||
7615 | }; | |||
7616 | ||||
7617 | /* Construct a piecewise affine expression that is equal to data->pa | |||
7618 | * on "domain" and add the result to data->res. | |||
7619 | */ | |||
7620 | static isl_stat pw_aff_on_domain(__isl_take isl_setisl_map *domain, void *user) | |||
7621 | { | |||
7622 | struct isl_union_pw_aff_pw_aff_on_domain_data *data = user; | |||
7623 | isl_pw_aff *pa; | |||
7624 | int dim; | |||
7625 | ||||
7626 | pa = isl_pw_aff_copy(data->pa); | |||
7627 | dim = isl_set_dim(domain, isl_dim_set); | |||
7628 | pa = isl_pw_aff_from_range(pa); | |||
7629 | pa = isl_pw_aff_add_dims(pa, isl_dim_in, dim); | |||
7630 | pa = isl_pw_aff_reset_domain_space(pa, isl_set_get_space(domain)); | |||
7631 | pa = isl_pw_aff_intersect_domain(pa, domain); | |||
7632 | data->res = isl_union_pw_aff_add_pw_aff(data->res, pa); | |||
7633 | ||||
7634 | return data->res ? isl_stat_ok : isl_stat_error; | |||
7635 | } | |||
7636 | ||||
7637 | /* Return a union piecewise affine expression | |||
7638 | * that is equal to "pa" on "domain", assuming "domain" and "pa" | |||
7639 | * have been aligned. | |||
7640 | * | |||
7641 | * Construct an isl_pw_aff on each of the sets in "domain" and | |||
7642 | * collect the results. | |||
7643 | */ | |||
7644 | static __isl_give isl_union_pw_aff *isl_union_pw_aff_pw_aff_on_domain_aligned( | |||
7645 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_pw_aff *pa) | |||
7646 | { | |||
7647 | struct isl_union_pw_aff_pw_aff_on_domain_data data; | |||
7648 | isl_space *space; | |||
7649 | ||||
7650 | space = isl_union_set_get_space(domain); | |||
7651 | data.res = isl_union_pw_aff_empty(space); | |||
7652 | data.pa = pa; | |||
7653 | if (isl_union_set_foreach_set(domain, &pw_aff_on_domain, &data) < 0) | |||
7654 | data.res = isl_union_pw_aff_free(data.res); | |||
7655 | isl_union_set_free(domain); | |||
7656 | isl_pw_aff_free(pa); | |||
7657 | return data.res; | |||
7658 | } | |||
7659 | ||||
7660 | /* Return a union piecewise affine expression | |||
7661 | * that is equal to "pa" on "domain". | |||
7662 | * | |||
7663 | * Check that "pa" is a parametric expression, | |||
7664 | * align the parameters if needed and call | |||
7665 | * isl_union_pw_aff_pw_aff_on_domain_aligned. | |||
7666 | */ | |||
7667 | __isl_give isl_union_pw_aff *isl_union_pw_aff_pw_aff_on_domain( | |||
7668 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_pw_aff *pa) | |||
7669 | { | |||
7670 | isl_bool is_set; | |||
7671 | isl_bool equal_params; | |||
7672 | isl_space *domain_space, *pa_space; | |||
7673 | ||||
7674 | pa_space = isl_pw_aff_peek_space(pa); | |||
7675 | is_set = isl_space_is_set(pa_space); | |||
7676 | if (is_set < 0) | |||
7677 | goto error; | |||
7678 | if (!is_set) | |||
7679 | isl_die(isl_pw_aff_get_ctx(pa), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "expecting parametric expression", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7680); goto error; } while (0) | |||
7680 | "expecting parametric expression", goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "expecting parametric expression", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7680); goto error; } while (0); | |||
7681 | ||||
7682 | domain_space = isl_union_set_get_space(domain); | |||
7683 | pa_space = isl_pw_aff_get_space(pa); | |||
7684 | equal_params = isl_space_has_equal_params(domain_space, pa_space); | |||
7685 | if (equal_params >= 0 && !equal_params) { | |||
7686 | isl_space *space; | |||
7687 | ||||
7688 | space = isl_space_align_params(domain_space, pa_space); | |||
7689 | pa = isl_pw_aff_align_params(pa, isl_space_copy(space)); | |||
7690 | domain = isl_union_set_align_params(domain, space); | |||
7691 | } else { | |||
7692 | isl_space_free(domain_space); | |||
7693 | isl_space_free(pa_space); | |||
7694 | } | |||
7695 | ||||
7696 | if (equal_params < 0) | |||
7697 | goto error; | |||
7698 | return isl_union_pw_aff_pw_aff_on_domain_aligned(domain, pa); | |||
7699 | error: | |||
7700 | isl_union_set_free(domain); | |||
7701 | isl_pw_aff_free(pa); | |||
7702 | return NULL((void*)0); | |||
7703 | } | |||
7704 | ||||
7705 | /* Internal data structure for isl_union_pw_aff_val_on_domain. | |||
7706 | * "v" is the value that the resulting isl_union_pw_aff needs to attain. | |||
7707 | * "res" collects the results. | |||
7708 | */ | |||
7709 | struct isl_union_pw_aff_val_on_domain_data { | |||
7710 | isl_val *v; | |||
7711 | isl_union_pw_aff *res; | |||
7712 | }; | |||
7713 | ||||
7714 | /* Construct a piecewise affine expression that is equal to data->v | |||
7715 | * on "domain" and add the result to data->res. | |||
7716 | */ | |||
7717 | static isl_stat pw_aff_val_on_domain(__isl_take isl_setisl_map *domain, void *user) | |||
7718 | { | |||
7719 | struct isl_union_pw_aff_val_on_domain_data *data = user; | |||
7720 | isl_pw_aff *pa; | |||
7721 | isl_val *v; | |||
7722 | ||||
7723 | v = isl_val_copy(data->v); | |||
7724 | pa = isl_pw_aff_val_on_domain(domain, v); | |||
7725 | data->res = isl_union_pw_aff_add_pw_aff(data->res, pa); | |||
7726 | ||||
7727 | return data->res ? isl_stat_ok : isl_stat_error; | |||
7728 | } | |||
7729 | ||||
7730 | /* Return a union piecewise affine expression | |||
7731 | * that is equal to "v" on "domain". | |||
7732 | * | |||
7733 | * Construct an isl_pw_aff on each of the sets in "domain" and | |||
7734 | * collect the results. | |||
7735 | */ | |||
7736 | __isl_give isl_union_pw_aff *isl_union_pw_aff_val_on_domain( | |||
7737 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_val *v) | |||
7738 | { | |||
7739 | struct isl_union_pw_aff_val_on_domain_data data; | |||
7740 | isl_space *space; | |||
7741 | ||||
7742 | space = isl_union_set_get_space(domain); | |||
7743 | data.res = isl_union_pw_aff_empty(space); | |||
7744 | data.v = v; | |||
7745 | if (isl_union_set_foreach_set(domain, &pw_aff_val_on_domain, &data) < 0) | |||
7746 | data.res = isl_union_pw_aff_free(data.res); | |||
7747 | isl_union_set_free(domain); | |||
7748 | isl_val_free(v); | |||
7749 | return data.res; | |||
7750 | } | |||
7751 | ||||
7752 | /* Construct a piecewise multi affine expression | |||
7753 | * that is equal to "pa" and add it to upma. | |||
7754 | */ | |||
7755 | static isl_stat pw_multi_aff_from_pw_aff_entry(__isl_take isl_pw_aff *pa, | |||
7756 | void *user) | |||
7757 | { | |||
7758 | isl_union_pw_multi_aff **upma = user; | |||
7759 | isl_pw_multi_aff *pma; | |||
7760 | ||||
7761 | pma = isl_pw_multi_aff_from_pw_aff(pa); | |||
7762 | *upma = isl_union_pw_multi_aff_add_pw_multi_aff(*upma, pma); | |||
7763 | ||||
7764 | return *upma ? isl_stat_ok : isl_stat_error; | |||
7765 | } | |||
7766 | ||||
7767 | /* Construct and return a union piecewise multi affine expression | |||
7768 | * that is equal to the given union piecewise affine expression. | |||
7769 | */ | |||
7770 | __isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_from_union_pw_aff( | |||
7771 | __isl_take isl_union_pw_aff *upa) | |||
7772 | { | |||
7773 | isl_space *space; | |||
7774 | isl_union_pw_multi_aff *upma; | |||
7775 | ||||
7776 | if (!upa) | |||
7777 | return NULL((void*)0); | |||
7778 | ||||
7779 | space = isl_union_pw_aff_get_space(upa); | |||
7780 | upma = isl_union_pw_multi_aff_empty(space); | |||
7781 | ||||
7782 | if (isl_union_pw_aff_foreach_pw_aff(upa, | |||
7783 | &pw_multi_aff_from_pw_aff_entry, &upma) < 0) | |||
7784 | upma = isl_union_pw_multi_aff_free(upma); | |||
7785 | ||||
7786 | isl_union_pw_aff_free(upa); | |||
7787 | return upma; | |||
7788 | } | |||
7789 | ||||
7790 | /* Compute the set of elements in the domain of "pa" where it is zero and | |||
7791 | * add this set to "uset". | |||
7792 | */ | |||
7793 | static isl_stat zero_union_set(__isl_take isl_pw_aff *pa, void *user) | |||
7794 | { | |||
7795 | isl_union_setisl_union_map **uset = (isl_union_setisl_union_map **)user; | |||
7796 | ||||
7797 | *uset = isl_union_set_add_set(*uset, isl_pw_aff_zero_set(pa)); | |||
7798 | ||||
7799 | return *uset ? isl_stat_ok : isl_stat_error; | |||
7800 | } | |||
7801 | ||||
7802 | /* Return a union set containing those elements in the domain | |||
7803 | * of "upa" where it is zero. | |||
7804 | */ | |||
7805 | __isl_give isl_union_setisl_union_map *isl_union_pw_aff_zero_union_set( | |||
7806 | __isl_take isl_union_pw_aff *upa) | |||
7807 | { | |||
7808 | isl_union_setisl_union_map *zero; | |||
7809 | ||||
7810 | zero = isl_union_set_empty(isl_union_pw_aff_get_space(upa)); | |||
7811 | if (isl_union_pw_aff_foreach_pw_aff(upa, &zero_union_set, &zero) < 0) | |||
7812 | zero = isl_union_set_free(zero); | |||
7813 | ||||
7814 | isl_union_pw_aff_free(upa); | |||
7815 | return zero; | |||
7816 | } | |||
7817 | ||||
7818 | /* Internal data structure for isl_union_pw_aff_pullback_union_pw_multi_aff. | |||
7819 | * upma is the function that is plugged in. | |||
7820 | * pa is the current part of the function in which upma is plugged in. | |||
7821 | * res collects the results. | |||
7822 | */ | |||
7823 | struct isl_union_pw_aff_pullback_upma_data { | |||
7824 | isl_union_pw_multi_aff *upma; | |||
7825 | isl_pw_aff *pa; | |||
7826 | isl_union_pw_aff *res; | |||
7827 | }; | |||
7828 | ||||
7829 | /* Check if "pma" can be plugged into data->pa. | |||
7830 | * If so, perform the pullback and add the result to data->res. | |||
7831 | */ | |||
7832 | static isl_stat pa_pb_pma(__isl_take isl_pw_multi_aff *pma, void *user) | |||
7833 | { | |||
7834 | struct isl_union_pw_aff_pullback_upma_data *data = user; | |||
7835 | isl_pw_aff *pa; | |||
7836 | ||||
7837 | if (!isl_space_tuple_is_equal(data->pa->dim, isl_dim_in, | |||
7838 | pma->dim, isl_dim_out)) { | |||
7839 | isl_pw_multi_aff_free(pma); | |||
7840 | return isl_stat_ok; | |||
7841 | } | |||
7842 | ||||
7843 | pa = isl_pw_aff_copy(data->pa); | |||
7844 | pa = isl_pw_aff_pullback_pw_multi_aff(pa, pma); | |||
7845 | ||||
7846 | data->res = isl_union_pw_aff_add_pw_aff(data->res, pa); | |||
7847 | ||||
7848 | return data->res ? isl_stat_ok : isl_stat_error; | |||
7849 | } | |||
7850 | ||||
7851 | /* Check if any of the elements of data->upma can be plugged into pa, | |||
7852 | * add if so add the result to data->res. | |||
7853 | */ | |||
7854 | static isl_stat upa_pb_upma(__isl_take isl_pw_aff *pa, void *user) | |||
7855 | { | |||
7856 | struct isl_union_pw_aff_pullback_upma_data *data = user; | |||
7857 | isl_stat r; | |||
7858 | ||||
7859 | data->pa = pa; | |||
7860 | r = isl_union_pw_multi_aff_foreach_pw_multi_aff(data->upma, | |||
7861 | &pa_pb_pma, data); | |||
7862 | isl_pw_aff_free(pa); | |||
7863 | ||||
7864 | return r; | |||
7865 | } | |||
7866 | ||||
7867 | /* Compute the pullback of "upa" by the function represented by "upma". | |||
7868 | * In other words, plug in "upma" in "upa". The result contains | |||
7869 | * expressions defined over the domain space of "upma". | |||
7870 | * | |||
7871 | * Run over all pairs of elements in "upa" and "upma", perform | |||
7872 | * the pullback when appropriate and collect the results. | |||
7873 | * If the hash value were based on the domain space rather than | |||
7874 | * the function space, then we could run through all elements | |||
7875 | * of "upma" and directly pick out the corresponding element of "upa". | |||
7876 | */ | |||
7877 | __isl_give isl_union_pw_aff *isl_union_pw_aff_pullback_union_pw_multi_aff( | |||
7878 | __isl_take isl_union_pw_aff *upa, | |||
7879 | __isl_take isl_union_pw_multi_aff *upma) | |||
7880 | { | |||
7881 | struct isl_union_pw_aff_pullback_upma_data data = { NULL((void*)0), NULL((void*)0) }; | |||
7882 | isl_space *space; | |||
7883 | ||||
7884 | space = isl_union_pw_multi_aff_get_space(upma); | |||
7885 | upa = isl_union_pw_aff_align_params(upa, space); | |||
7886 | space = isl_union_pw_aff_get_space(upa); | |||
7887 | upma = isl_union_pw_multi_aff_align_params(upma, space); | |||
7888 | ||||
7889 | if (!upa || !upma) | |||
7890 | goto error; | |||
7891 | ||||
7892 | data.upma = upma; | |||
7893 | data.res = isl_union_pw_aff_alloc_same_size(upa); | |||
7894 | if (isl_union_pw_aff_foreach_pw_aff(upa, &upa_pb_upma, &data) < 0) | |||
7895 | data.res = isl_union_pw_aff_free(data.res); | |||
7896 | ||||
7897 | isl_union_pw_aff_free(upa); | |||
7898 | isl_union_pw_multi_aff_free(upma); | |||
7899 | return data.res; | |||
7900 | error: | |||
7901 | isl_union_pw_aff_free(upa); | |||
7902 | isl_union_pw_multi_aff_free(upma); | |||
7903 | return NULL((void*)0); | |||
7904 | } | |||
7905 | ||||
7906 | #undef BASEunion_pw_aff | |||
7907 | #define BASEunion_pw_aff union_pw_aff | |||
7908 | #undef DOMBASEunion_set | |||
7909 | #define DOMBASEunion_set union_set | |||
7910 | ||||
7911 | #define NO_MOVE_DIMS | |||
7912 | #define NO_DOMAIN | |||
7913 | #define NO_PRODUCT | |||
7914 | #define NO_SPLICE | |||
7915 | #define NO_ZERO | |||
7916 | #define NO_IDENTITY | |||
7917 | ||||
7918 | #include <isl_multi_explicit_domain.c> | |||
7919 | #include <isl_multi_union_pw_aff_explicit_domain.c> | |||
7920 | #include <isl_multi_templ.c> | |||
7921 | #include <isl_multi_apply_set.c> | |||
7922 | #include <isl_multi_apply_union_set.c> | |||
7923 | #include <isl_multi_coalesce.c> | |||
7924 | #include <isl_multi_floor.c> | |||
7925 | #include <isl_multi_gist.c> | |||
7926 | #include <isl_multi_align_set.c> | |||
7927 | #include <isl_multi_align_union_set.c> | |||
7928 | #include <isl_multi_intersect.c> | |||
7929 | ||||
7930 | /* Does "mupa" have a non-trivial explicit domain? | |||
7931 | * | |||
7932 | * The explicit domain, if present, is trivial if it represents | |||
7933 | * an (obviously) universe parameter set. | |||
7934 | */ | |||
7935 | isl_bool isl_multi_union_pw_aff_has_non_trivial_domain( | |||
7936 | __isl_keep isl_multi_union_pw_aff *mupa) | |||
7937 | { | |||
7938 | isl_bool is_params, trivial; | |||
7939 | isl_setisl_map *set; | |||
7940 | ||||
7941 | if (!mupa) | |||
7942 | return isl_bool_error; | |||
7943 | if (!isl_multi_union_pw_aff_has_explicit_domain(mupa)) | |||
7944 | return isl_bool_false; | |||
7945 | is_params = isl_union_set_is_params(mupa->u.dom); | |||
7946 | if (is_params < 0 || !is_params) | |||
7947 | return isl_bool_not(is_params); | |||
7948 | set = isl_set_from_union_set(isl_union_set_copy(mupa->u.dom)); | |||
7949 | trivial = isl_set_plain_is_universe(set); | |||
7950 | isl_set_free(set); | |||
7951 | return isl_bool_not(trivial); | |||
7952 | } | |||
7953 | ||||
7954 | /* Construct a multiple union piecewise affine expression | |||
7955 | * in the given space with value zero in each of the output dimensions. | |||
7956 | * | |||
7957 | * Since there is no canonical zero value for | |||
7958 | * a union piecewise affine expression, we can only construct | |||
7959 | * a zero-dimensional "zero" value. | |||
7960 | */ | |||
7961 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_zero( | |||
7962 | __isl_take isl_space *space) | |||
7963 | { | |||
7964 | isl_bool params; | |||
7965 | ||||
7966 | if (!space) | |||
7967 | return NULL((void*)0); | |||
7968 | ||||
7969 | params = isl_space_is_params(space); | |||
7970 | if (params < 0) | |||
7971 | goto error; | |||
7972 | if (params) | |||
7973 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting proper set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7974); goto error; } while (0) | |||
7974 | "expecting proper set space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting proper set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7974); goto error; } while (0); | |||
7975 | if (!isl_space_is_set(space)) | |||
7976 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7977); goto error; } while (0) | |||
7977 | "expecting set space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting set space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7977); goto error; } while (0); | |||
7978 | if (isl_space_dim(space , isl_dim_out) != 0) | |||
7979 | isl_die(isl_space_get_ctx(space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting 0D space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7980); goto error; } while (0) | |||
7980 | "expecting 0D space", goto error)do { isl_handle_error(isl_space_get_ctx(space), isl_error_invalid , "expecting 0D space", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 7980); goto error; } while (0); | |||
7981 | ||||
7982 | return isl_multi_union_pw_aff_alloc(space); | |||
7983 | error: | |||
7984 | isl_space_free(space); | |||
7985 | return NULL((void*)0); | |||
7986 | } | |||
7987 | ||||
7988 | /* Compute the sum of "mupa1" and "mupa2" on the union of their domains, | |||
7989 | * with the actual sum on the shared domain and | |||
7990 | * the defined expression on the symmetric difference of the domains. | |||
7991 | * | |||
7992 | * We simply iterate over the elements in both arguments and | |||
7993 | * call isl_union_pw_aff_union_add on each of them, if there is | |||
7994 | * at least one element. | |||
7995 | * | |||
7996 | * Otherwise, the two expressions have an explicit domain and | |||
7997 | * the union of these explicit domains is computed. | |||
7998 | * This assumes that the explicit domains are either both in terms | |||
7999 | * of specific domains elements or both in terms of parameters. | |||
8000 | * However, if one of the expressions does not have any constraints | |||
8001 | * on its explicit domain, then this is allowed as well and the result | |||
8002 | * is the expression with no constraints on its explicit domain. | |||
8003 | */ | |||
8004 | static __isl_give isl_multi_union_pw_aff * | |||
8005 | isl_multi_union_pw_aff_union_add_aligned( | |||
8006 | __isl_take isl_multi_union_pw_aff *mupa1, | |||
8007 | __isl_take isl_multi_union_pw_aff *mupa2) | |||
8008 | { | |||
8009 | isl_bool has_domain, is_params1, is_params2; | |||
8010 | ||||
8011 | if (isl_multi_union_pw_aff_check_equal_space(mupa1, mupa2) < 0) | |||
8012 | goto error; | |||
8013 | if (mupa1->n > 0) | |||
8014 | return isl_multi_union_pw_aff_bin_op(mupa1, mupa2, | |||
8015 | &isl_union_pw_aff_union_add); | |||
8016 | if (isl_multi_union_pw_aff_check_has_explicit_domain(mupa1) < 0 || | |||
8017 | isl_multi_union_pw_aff_check_has_explicit_domain(mupa2) < 0) | |||
8018 | goto error; | |||
8019 | ||||
8020 | has_domain = isl_multi_union_pw_aff_has_non_trivial_domain(mupa1); | |||
8021 | if (has_domain < 0) | |||
8022 | goto error; | |||
8023 | if (!has_domain) { | |||
8024 | isl_multi_union_pw_aff_free(mupa2); | |||
8025 | return mupa1; | |||
8026 | } | |||
8027 | has_domain = isl_multi_union_pw_aff_has_non_trivial_domain(mupa2); | |||
8028 | if (has_domain < 0) | |||
8029 | goto error; | |||
8030 | if (!has_domain) { | |||
8031 | isl_multi_union_pw_aff_free(mupa1); | |||
8032 | return mupa2; | |||
8033 | } | |||
8034 | ||||
8035 | is_params1 = isl_union_set_is_params(mupa1->u.dom); | |||
8036 | is_params2 = isl_union_set_is_params(mupa2->u.dom); | |||
8037 | if (is_params1 < 0 || is_params2 < 0) | |||
8038 | goto error; | |||
8039 | if (is_params1 != is_params2) | |||
8040 | isl_die(isl_multi_union_pw_aff_get_ctx(mupa1),do { isl_handle_error(isl_multi_union_pw_aff_get_ctx(mupa1), isl_error_invalid , "cannot compute union of concrete domain and " "parameter constraints" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8043); goto error; } while (0) | |||
8041 | isl_error_invalid,do { isl_handle_error(isl_multi_union_pw_aff_get_ctx(mupa1), isl_error_invalid , "cannot compute union of concrete domain and " "parameter constraints" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8043); goto error; } while (0) | |||
8042 | "cannot compute union of concrete domain and "do { isl_handle_error(isl_multi_union_pw_aff_get_ctx(mupa1), isl_error_invalid , "cannot compute union of concrete domain and " "parameter constraints" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8043); goto error; } while (0) | |||
8043 | "parameter constraints", goto error)do { isl_handle_error(isl_multi_union_pw_aff_get_ctx(mupa1), isl_error_invalid , "cannot compute union of concrete domain and " "parameter constraints" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8043); goto error; } while (0); | |||
8044 | mupa1 = isl_multi_union_pw_aff_cow(mupa1); | |||
8045 | if (!mupa1) | |||
8046 | goto error; | |||
8047 | mupa1->u.dom = isl_union_set_union(mupa1->u.dom, | |||
8048 | isl_union_set_copy(mupa2->u.dom)); | |||
8049 | if (!mupa1->u.dom) | |||
8050 | goto error; | |||
8051 | isl_multi_union_pw_aff_free(mupa2); | |||
8052 | return mupa1; | |||
8053 | error: | |||
8054 | isl_multi_union_pw_aff_free(mupa1); | |||
8055 | isl_multi_union_pw_aff_free(mupa2); | |||
8056 | return NULL((void*)0); | |||
8057 | } | |||
8058 | ||||
8059 | /* Compute the sum of "mupa1" and "mupa2" on the union of their domains, | |||
8060 | * with the actual sum on the shared domain and | |||
8061 | * the defined expression on the symmetric difference of the domains. | |||
8062 | */ | |||
8063 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_union_add( | |||
8064 | __isl_take isl_multi_union_pw_aff *mupa1, | |||
8065 | __isl_take isl_multi_union_pw_aff *mupa2) | |||
8066 | { | |||
8067 | return isl_multi_union_pw_aff_align_params_multi_multi_and(mupa1, mupa2, | |||
8068 | &isl_multi_union_pw_aff_union_add_aligned); | |||
8069 | } | |||
8070 | ||||
8071 | /* Construct and return a multi union piecewise affine expression | |||
8072 | * that is equal to the given multi affine expression. | |||
8073 | */ | |||
8074 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_from_multi_aff( | |||
8075 | __isl_take isl_multi_aff *ma) | |||
8076 | { | |||
8077 | isl_multi_pw_aff *mpa; | |||
8078 | ||||
8079 | mpa = isl_multi_pw_aff_from_multi_aff(ma); | |||
8080 | return isl_multi_union_pw_aff_from_multi_pw_aff(mpa); | |||
8081 | } | |||
8082 | ||||
8083 | /* Construct and return a multi union piecewise affine expression | |||
8084 | * that is equal to the given multi piecewise affine expression. | |||
8085 | */ | |||
8086 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_from_multi_pw_aff( | |||
8087 | __isl_take isl_multi_pw_aff *mpa) | |||
8088 | { | |||
8089 | int i, n; | |||
8090 | isl_space *space; | |||
8091 | isl_multi_union_pw_aff *mupa; | |||
8092 | ||||
8093 | if (!mpa) | |||
8094 | return NULL((void*)0); | |||
8095 | ||||
8096 | space = isl_multi_pw_aff_get_space(mpa); | |||
8097 | space = isl_space_range(space); | |||
8098 | mupa = isl_multi_union_pw_aff_alloc(space); | |||
8099 | ||||
8100 | n = isl_multi_pw_aff_dim(mpa, isl_dim_out); | |||
8101 | for (i = 0; i < n; ++i) { | |||
8102 | isl_pw_aff *pa; | |||
8103 | isl_union_pw_aff *upa; | |||
8104 | ||||
8105 | pa = isl_multi_pw_aff_get_pw_aff(mpa, i); | |||
8106 | upa = isl_union_pw_aff_from_pw_aff(pa); | |||
8107 | mupa = isl_multi_union_pw_aff_set_union_pw_aff(mupa, i, upa); | |||
8108 | } | |||
8109 | ||||
8110 | isl_multi_pw_aff_free(mpa); | |||
8111 | ||||
8112 | return mupa; | |||
8113 | } | |||
8114 | ||||
8115 | /* Extract the range space of "pma" and assign it to *space. | |||
8116 | * If *space has already been set (through a previous call to this function), | |||
8117 | * then check that the range space is the same. | |||
8118 | */ | |||
8119 | static isl_stat extract_space(__isl_take isl_pw_multi_aff *pma, void *user) | |||
8120 | { | |||
8121 | isl_space **space = user; | |||
8122 | isl_space *pma_space; | |||
8123 | isl_bool equal; | |||
8124 | ||||
8125 | pma_space = isl_space_range(isl_pw_multi_aff_get_space(pma)); | |||
8126 | isl_pw_multi_aff_free(pma); | |||
8127 | ||||
8128 | if (!pma_space) | |||
8129 | return isl_stat_error; | |||
8130 | if (!*space) { | |||
8131 | *space = pma_space; | |||
8132 | return isl_stat_ok; | |||
8133 | } | |||
8134 | ||||
8135 | equal = isl_space_is_equal(pma_space, *space); | |||
8136 | isl_space_free(pma_space); | |||
8137 | ||||
8138 | if (equal < 0) | |||
8139 | return isl_stat_error; | |||
8140 | if (!equal) | |||
8141 | isl_die(isl_space_get_ctx(*space), isl_error_invalid,do { isl_handle_error(isl_space_get_ctx(*space), isl_error_invalid , "range spaces not the same", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8142); return isl_stat_error; } while (0) | |||
8142 | "range spaces not the same", return isl_stat_error)do { isl_handle_error(isl_space_get_ctx(*space), isl_error_invalid , "range spaces not the same", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8142); return isl_stat_error; } while (0); | |||
8143 | return isl_stat_ok; | |||
8144 | } | |||
8145 | ||||
8146 | /* Construct and return a multi union piecewise affine expression | |||
8147 | * that is equal to the given union piecewise multi affine expression. | |||
8148 | * | |||
8149 | * In order to be able to perform the conversion, the input | |||
8150 | * needs to be non-empty and may only involve a single range space. | |||
8151 | * | |||
8152 | * If the resulting multi union piecewise affine expression has | |||
8153 | * an explicit domain, then assign it the domain of the input. | |||
8154 | * In other cases, the domain is stored in the individual elements. | |||
8155 | */ | |||
8156 | __isl_give isl_multi_union_pw_aff * | |||
8157 | isl_multi_union_pw_aff_from_union_pw_multi_aff( | |||
8158 | __isl_take isl_union_pw_multi_aff *upma) | |||
8159 | { | |||
8160 | isl_space *space = NULL((void*)0); | |||
8161 | isl_multi_union_pw_aff *mupa; | |||
8162 | int i, n; | |||
8163 | ||||
8164 | if (!upma) | |||
8165 | return NULL((void*)0); | |||
8166 | if (isl_union_pw_multi_aff_n_pw_multi_aff(upma) == 0) | |||
8167 | isl_die(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid,do { isl_handle_error(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid , "cannot extract range space from empty input", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8169); goto error; } while (0) | |||
8168 | "cannot extract range space from empty input",do { isl_handle_error(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid , "cannot extract range space from empty input", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8169); goto error; } while (0) | |||
8169 | goto error)do { isl_handle_error(isl_union_pw_multi_aff_get_ctx(upma), isl_error_invalid , "cannot extract range space from empty input", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8169); goto error; } while (0); | |||
8170 | if (isl_union_pw_multi_aff_foreach_pw_multi_aff(upma, &extract_space, | |||
8171 | &space) < 0) | |||
8172 | goto error; | |||
8173 | ||||
8174 | if (!space) | |||
8175 | goto error; | |||
8176 | ||||
8177 | n = isl_space_dim(space, isl_dim_set); | |||
8178 | mupa = isl_multi_union_pw_aff_alloc(space); | |||
8179 | ||||
8180 | for (i = 0; i < n; ++i) { | |||
8181 | isl_union_pw_aff *upa; | |||
8182 | ||||
8183 | upa = isl_union_pw_multi_aff_get_union_pw_aff(upma, i); | |||
8184 | mupa = isl_multi_union_pw_aff_set_union_pw_aff(mupa, i, upa); | |||
8185 | } | |||
8186 | if (isl_multi_union_pw_aff_has_explicit_domain(mupa)) { | |||
8187 | isl_union_setisl_union_map *dom; | |||
8188 | isl_union_pw_multi_aff *copy; | |||
8189 | ||||
8190 | copy = isl_union_pw_multi_aff_copy(upma); | |||
8191 | dom = isl_union_pw_multi_aff_domain(copy); | |||
8192 | mupa = isl_multi_union_pw_aff_intersect_domain(mupa, dom); | |||
8193 | } | |||
8194 | ||||
8195 | isl_union_pw_multi_aff_free(upma); | |||
8196 | return mupa; | |||
8197 | error: | |||
8198 | isl_space_free(space); | |||
8199 | isl_union_pw_multi_aff_free(upma); | |||
8200 | return NULL((void*)0); | |||
8201 | } | |||
8202 | ||||
8203 | /* Try and create an isl_multi_union_pw_aff that is equivalent | |||
8204 | * to the given isl_union_map. | |||
8205 | * The isl_union_map is required to be single-valued in each space. | |||
8206 | * Moreover, it cannot be empty and all range spaces need to be the same. | |||
8207 | * Otherwise, an error is produced. | |||
8208 | */ | |||
8209 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_from_union_map( | |||
8210 | __isl_take isl_union_map *umap) | |||
8211 | { | |||
8212 | isl_union_pw_multi_aff *upma; | |||
8213 | ||||
8214 | upma = isl_union_pw_multi_aff_from_union_map(umap); | |||
8215 | return isl_multi_union_pw_aff_from_union_pw_multi_aff(upma); | |||
8216 | } | |||
8217 | ||||
8218 | /* Return a multiple union piecewise affine expression | |||
8219 | * that is equal to "mv" on "domain", assuming "domain" and "mv" | |||
8220 | * have been aligned. | |||
8221 | * | |||
8222 | * If the resulting multi union piecewise affine expression has | |||
8223 | * an explicit domain, then assign it the input domain. | |||
8224 | * In other cases, the domain is stored in the individual elements. | |||
8225 | */ | |||
8226 | static __isl_give isl_multi_union_pw_aff * | |||
8227 | isl_multi_union_pw_aff_multi_val_on_domain_aligned( | |||
8228 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_multi_val *mv) | |||
8229 | { | |||
8230 | int i, n; | |||
8231 | isl_space *space; | |||
8232 | isl_multi_union_pw_aff *mupa; | |||
8233 | ||||
8234 | if (!domain || !mv) | |||
8235 | goto error; | |||
8236 | ||||
8237 | n = isl_multi_val_dim(mv, isl_dim_set); | |||
8238 | space = isl_multi_val_get_space(mv); | |||
8239 | mupa = isl_multi_union_pw_aff_alloc(space); | |||
8240 | for (i = 0; i < n; ++i) { | |||
8241 | isl_val *v; | |||
8242 | isl_union_pw_aff *upa; | |||
8243 | ||||
8244 | v = isl_multi_val_get_val(mv, i); | |||
8245 | upa = isl_union_pw_aff_val_on_domain(isl_union_set_copy(domain), | |||
8246 | v); | |||
8247 | mupa = isl_multi_union_pw_aff_set_union_pw_aff(mupa, i, upa); | |||
8248 | } | |||
8249 | if (isl_multi_union_pw_aff_has_explicit_domain(mupa)) | |||
8250 | mupa = isl_multi_union_pw_aff_intersect_domain(mupa, | |||
8251 | isl_union_set_copy(domain)); | |||
8252 | ||||
8253 | isl_union_set_free(domain); | |||
8254 | isl_multi_val_free(mv); | |||
8255 | return mupa; | |||
8256 | error: | |||
8257 | isl_union_set_free(domain); | |||
8258 | isl_multi_val_free(mv); | |||
8259 | return NULL((void*)0); | |||
8260 | } | |||
8261 | ||||
8262 | /* Return a multiple union piecewise affine expression | |||
8263 | * that is equal to "mv" on "domain". | |||
8264 | */ | |||
8265 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_multi_val_on_domain( | |||
8266 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_multi_val *mv) | |||
8267 | { | |||
8268 | isl_bool equal_params; | |||
8269 | ||||
8270 | if (!domain || !mv) | |||
8271 | goto error; | |||
8272 | equal_params = isl_space_has_equal_params(domain->dim, mv->space); | |||
8273 | if (equal_params < 0) | |||
8274 | goto error; | |||
8275 | if (equal_params) | |||
8276 | return isl_multi_union_pw_aff_multi_val_on_domain_aligned( | |||
8277 | domain, mv); | |||
8278 | domain = isl_union_set_align_params(domain, | |||
8279 | isl_multi_val_get_space(mv)); | |||
8280 | mv = isl_multi_val_align_params(mv, isl_union_set_get_space(domain)); | |||
8281 | return isl_multi_union_pw_aff_multi_val_on_domain_aligned(domain, mv); | |||
8282 | error: | |||
8283 | isl_union_set_free(domain); | |||
8284 | isl_multi_val_free(mv); | |||
8285 | return NULL((void*)0); | |||
8286 | } | |||
8287 | ||||
8288 | /* Return a multiple union piecewise affine expression | |||
8289 | * that is equal to "ma" on "domain". | |||
8290 | */ | |||
8291 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_multi_aff_on_domain( | |||
8292 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_multi_aff *ma) | |||
8293 | { | |||
8294 | isl_pw_multi_aff *pma; | |||
8295 | ||||
8296 | pma = isl_pw_multi_aff_from_multi_aff(ma); | |||
8297 | return isl_multi_union_pw_aff_pw_multi_aff_on_domain(domain, pma); | |||
8298 | } | |||
8299 | ||||
8300 | /* Return a multiple union piecewise affine expression | |||
8301 | * that is equal to "pma" on "domain", assuming "domain" and "pma" | |||
8302 | * have been aligned. | |||
8303 | * | |||
8304 | * If the resulting multi union piecewise affine expression has | |||
8305 | * an explicit domain, then assign it the input domain. | |||
8306 | * In other cases, the domain is stored in the individual elements. | |||
8307 | */ | |||
8308 | static __isl_give isl_multi_union_pw_aff * | |||
8309 | isl_multi_union_pw_aff_pw_multi_aff_on_domain_aligned( | |||
8310 | __isl_take isl_union_setisl_union_map *domain, __isl_take isl_pw_multi_aff *pma) | |||
8311 | { | |||
8312 | int i, n; | |||
8313 | isl_space *space; | |||
8314 | isl_multi_union_pw_aff *mupa; | |||
8315 | ||||
8316 | if (!domain || !pma) | |||
8317 | goto error; | |||
8318 | ||||
8319 | n = isl_pw_multi_aff_dim(pma, isl_dim_set); | |||
8320 | space = isl_pw_multi_aff_get_space(pma); | |||
8321 | mupa = isl_multi_union_pw_aff_alloc(space); | |||
8322 | for (i = 0; i < n; ++i) { | |||
8323 | isl_pw_aff *pa; | |||
8324 | isl_union_pw_aff *upa; | |||
8325 | ||||
8326 | pa = isl_pw_multi_aff_get_pw_aff(pma, i); | |||
8327 | upa = isl_union_pw_aff_pw_aff_on_domain( | |||
8328 | isl_union_set_copy(domain), pa); | |||
8329 | mupa = isl_multi_union_pw_aff_set_union_pw_aff(mupa, i, upa); | |||
8330 | } | |||
8331 | if (isl_multi_union_pw_aff_has_explicit_domain(mupa)) | |||
8332 | mupa = isl_multi_union_pw_aff_intersect_domain(mupa, | |||
8333 | isl_union_set_copy(domain)); | |||
8334 | ||||
8335 | isl_union_set_free(domain); | |||
8336 | isl_pw_multi_aff_free(pma); | |||
8337 | return mupa; | |||
8338 | error: | |||
8339 | isl_union_set_free(domain); | |||
8340 | isl_pw_multi_aff_free(pma); | |||
8341 | return NULL((void*)0); | |||
8342 | } | |||
8343 | ||||
8344 | /* Return a multiple union piecewise affine expression | |||
8345 | * that is equal to "pma" on "domain". | |||
8346 | */ | |||
8347 | __isl_give isl_multi_union_pw_aff * | |||
8348 | isl_multi_union_pw_aff_pw_multi_aff_on_domain(__isl_take isl_union_setisl_union_map *domain, | |||
8349 | __isl_take isl_pw_multi_aff *pma) | |||
8350 | { | |||
8351 | isl_bool equal_params; | |||
8352 | isl_space *space; | |||
8353 | ||||
8354 | space = isl_pw_multi_aff_peek_space(pma); | |||
8355 | equal_params = isl_union_set_space_has_equal_params(domain, space); | |||
8356 | if (equal_params < 0) | |||
8357 | goto error; | |||
8358 | if (equal_params) | |||
8359 | return isl_multi_union_pw_aff_pw_multi_aff_on_domain_aligned( | |||
8360 | domain, pma); | |||
8361 | domain = isl_union_set_align_params(domain, | |||
8362 | isl_pw_multi_aff_get_space(pma)); | |||
8363 | pma = isl_pw_multi_aff_align_params(pma, | |||
8364 | isl_union_set_get_space(domain)); | |||
8365 | return isl_multi_union_pw_aff_pw_multi_aff_on_domain_aligned(domain, | |||
8366 | pma); | |||
8367 | error: | |||
8368 | isl_union_set_free(domain); | |||
8369 | isl_pw_multi_aff_free(pma); | |||
8370 | return NULL((void*)0); | |||
8371 | } | |||
8372 | ||||
8373 | /* Return a union set containing those elements in the domains | |||
8374 | * of the elements of "mupa" where they are all zero. | |||
8375 | * | |||
8376 | * If there are no elements, then simply return the entire domain. | |||
8377 | */ | |||
8378 | __isl_give isl_union_setisl_union_map *isl_multi_union_pw_aff_zero_union_set( | |||
8379 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8380 | { | |||
8381 | int i, n; | |||
8382 | isl_union_pw_aff *upa; | |||
8383 | isl_union_setisl_union_map *zero; | |||
8384 | ||||
8385 | if (!mupa) | |||
8386 | return NULL((void*)0); | |||
8387 | ||||
8388 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
8389 | if (n == 0) | |||
8390 | return isl_multi_union_pw_aff_domain(mupa); | |||
8391 | ||||
8392 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, 0); | |||
8393 | zero = isl_union_pw_aff_zero_union_set(upa); | |||
8394 | ||||
8395 | for (i = 1; i < n; ++i) { | |||
8396 | isl_union_setisl_union_map *zero_i; | |||
8397 | ||||
8398 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
8399 | zero_i = isl_union_pw_aff_zero_union_set(upa); | |||
8400 | ||||
8401 | zero = isl_union_set_intersect(zero, zero_i); | |||
8402 | } | |||
8403 | ||||
8404 | isl_multi_union_pw_aff_free(mupa); | |||
8405 | return zero; | |||
8406 | } | |||
8407 | ||||
8408 | /* Construct a union map mapping the shared domain | |||
8409 | * of the union piecewise affine expressions to the range of "mupa" | |||
8410 | * in the special case of a 0D multi union piecewise affine expression. | |||
8411 | * | |||
8412 | * Construct a map between the explicit domain of "mupa" and | |||
8413 | * the range space. | |||
8414 | * Note that this assumes that the domain consists of explicit elements. | |||
8415 | */ | |||
8416 | static __isl_give isl_union_map *isl_union_map_from_multi_union_pw_aff_0D( | |||
8417 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8418 | { | |||
8419 | isl_bool is_params; | |||
8420 | isl_space *space; | |||
8421 | isl_union_setisl_union_map *dom, *ran; | |||
8422 | ||||
8423 | space = isl_multi_union_pw_aff_get_space(mupa); | |||
8424 | dom = isl_multi_union_pw_aff_domain(mupa); | |||
8425 | ran = isl_union_set_from_set(isl_set_universe(space)); | |||
8426 | ||||
8427 | is_params = isl_union_set_is_params(dom); | |||
8428 | if (is_params < 0) | |||
8429 | dom = isl_union_set_free(dom); | |||
8430 | else if (is_params) | |||
8431 | isl_die(isl_union_set_get_ctx(dom), isl_error_invalid,do { isl_handle_error(isl_union_set_get_ctx(dom), isl_error_invalid , "cannot create union map from expression without " "explicit domain elements" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8434); dom = isl_union_set_free(dom); } while (0) | |||
8432 | "cannot create union map from expression without "do { isl_handle_error(isl_union_set_get_ctx(dom), isl_error_invalid , "cannot create union map from expression without " "explicit domain elements" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8434); dom = isl_union_set_free(dom); } while (0) | |||
8433 | "explicit domain elements",do { isl_handle_error(isl_union_set_get_ctx(dom), isl_error_invalid , "cannot create union map from expression without " "explicit domain elements" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8434); dom = isl_union_set_free(dom); } while (0) | |||
8434 | dom = isl_union_set_free(dom))do { isl_handle_error(isl_union_set_get_ctx(dom), isl_error_invalid , "cannot create union map from expression without " "explicit domain elements" , "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8434); dom = isl_union_set_free(dom); } while (0); | |||
8435 | ||||
8436 | return isl_union_map_from_domain_and_range(dom, ran); | |||
8437 | } | |||
8438 | ||||
8439 | /* Construct a union map mapping the shared domain | |||
8440 | * of the union piecewise affine expressions to the range of "mupa" | |||
8441 | * with each dimension in the range equated to the | |||
8442 | * corresponding union piecewise affine expression. | |||
8443 | * | |||
8444 | * If the input is zero-dimensional, then construct a mapping | |||
8445 | * from its explicit domain. | |||
8446 | */ | |||
8447 | __isl_give isl_union_map *isl_union_map_from_multi_union_pw_aff( | |||
8448 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8449 | { | |||
8450 | int i, n; | |||
8451 | isl_space *space; | |||
8452 | isl_union_map *umap; | |||
8453 | isl_union_pw_aff *upa; | |||
8454 | ||||
8455 | if (!mupa) | |||
8456 | return NULL((void*)0); | |||
8457 | ||||
8458 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
8459 | if (n == 0) | |||
8460 | return isl_union_map_from_multi_union_pw_aff_0D(mupa); | |||
8461 | ||||
8462 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, 0); | |||
8463 | umap = isl_union_map_from_union_pw_aff(upa); | |||
8464 | ||||
8465 | for (i = 1; i < n; ++i) { | |||
8466 | isl_union_map *umap_i; | |||
8467 | ||||
8468 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
8469 | umap_i = isl_union_map_from_union_pw_aff(upa); | |||
8470 | umap = isl_union_map_flat_range_product(umap, umap_i); | |||
8471 | } | |||
8472 | ||||
8473 | space = isl_multi_union_pw_aff_get_space(mupa); | |||
8474 | umap = isl_union_map_reset_range_space(umap, space); | |||
8475 | ||||
8476 | isl_multi_union_pw_aff_free(mupa); | |||
8477 | return umap; | |||
8478 | } | |||
8479 | ||||
8480 | /* Internal data structure for isl_union_pw_multi_aff_reset_range_space. | |||
8481 | * "range" is the space from which to set the range space. | |||
8482 | * "res" collects the results. | |||
8483 | */ | |||
8484 | struct isl_union_pw_multi_aff_reset_range_space_data { | |||
8485 | isl_space *range; | |||
8486 | isl_union_pw_multi_aff *res; | |||
8487 | }; | |||
8488 | ||||
8489 | /* Replace the range space of "pma" by the range space of data->range and | |||
8490 | * add the result to data->res. | |||
8491 | */ | |||
8492 | static isl_stat reset_range_space(__isl_take isl_pw_multi_aff *pma, void *user) | |||
8493 | { | |||
8494 | struct isl_union_pw_multi_aff_reset_range_space_data *data = user; | |||
8495 | isl_space *space; | |||
8496 | ||||
8497 | space = isl_pw_multi_aff_get_space(pma); | |||
8498 | space = isl_space_domain(space); | |||
8499 | space = isl_space_extend_domain_with_range(space, | |||
8500 | isl_space_copy(data->range)); | |||
8501 | pma = isl_pw_multi_aff_reset_space(pma, space); | |||
8502 | data->res = isl_union_pw_multi_aff_add_pw_multi_aff(data->res, pma); | |||
8503 | ||||
8504 | return data->res ? isl_stat_ok : isl_stat_error; | |||
8505 | } | |||
8506 | ||||
8507 | /* Replace the range space of all the piecewise affine expressions in "upma" by | |||
8508 | * the range space of "space". | |||
8509 | * | |||
8510 | * This assumes that all these expressions have the same output dimension. | |||
8511 | * | |||
8512 | * Since the spaces of the expressions change, so do their hash values. | |||
8513 | * We therefore need to create a new isl_union_pw_multi_aff. | |||
8514 | * Note that the hash value is currently computed based on the entire | |||
8515 | * space even though there can only be a single expression with a given | |||
8516 | * domain space. | |||
8517 | */ | |||
8518 | static __isl_give isl_union_pw_multi_aff * | |||
8519 | isl_union_pw_multi_aff_reset_range_space( | |||
8520 | __isl_take isl_union_pw_multi_aff *upma, __isl_take isl_space *space) | |||
8521 | { | |||
8522 | struct isl_union_pw_multi_aff_reset_range_space_data data = { space }; | |||
8523 | isl_space *space_upma; | |||
8524 | ||||
8525 | space_upma = isl_union_pw_multi_aff_get_space(upma); | |||
8526 | data.res = isl_union_pw_multi_aff_empty(space_upma); | |||
8527 | if (isl_union_pw_multi_aff_foreach_pw_multi_aff(upma, | |||
8528 | &reset_range_space, &data) < 0) | |||
8529 | data.res = isl_union_pw_multi_aff_free(data.res); | |||
8530 | ||||
8531 | isl_space_free(space); | |||
8532 | isl_union_pw_multi_aff_free(upma); | |||
8533 | return data.res; | |||
8534 | } | |||
8535 | ||||
8536 | /* Construct and return a union piecewise multi affine expression | |||
8537 | * that is equal to the given multi union piecewise affine expression, | |||
8538 | * in the special case of a 0D multi union piecewise affine expression. | |||
8539 | * | |||
8540 | * Construct a union piecewise multi affine expression | |||
8541 | * on top of the explicit domain of the input. | |||
8542 | */ | |||
8543 | __isl_give isl_union_pw_multi_aff * | |||
8544 | isl_union_pw_multi_aff_from_multi_union_pw_aff_0D( | |||
8545 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8546 | { | |||
8547 | isl_space *space; | |||
8548 | isl_multi_val *mv; | |||
8549 | isl_union_setisl_union_map *domain; | |||
8550 | ||||
8551 | space = isl_multi_union_pw_aff_get_space(mupa); | |||
8552 | mv = isl_multi_val_zero(space); | |||
8553 | domain = isl_multi_union_pw_aff_domain(mupa); | |||
8554 | return isl_union_pw_multi_aff_multi_val_on_domain(domain, mv); | |||
8555 | } | |||
8556 | ||||
8557 | /* Construct and return a union piecewise multi affine expression | |||
8558 | * that is equal to the given multi union piecewise affine expression. | |||
8559 | * | |||
8560 | * If the input is zero-dimensional, then | |||
8561 | * construct a union piecewise multi affine expression | |||
8562 | * on top of the explicit domain of the input. | |||
8563 | */ | |||
8564 | __isl_give isl_union_pw_multi_aff * | |||
8565 | isl_union_pw_multi_aff_from_multi_union_pw_aff( | |||
8566 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8567 | { | |||
8568 | int i, n; | |||
8569 | isl_space *space; | |||
8570 | isl_union_pw_multi_aff *upma; | |||
8571 | isl_union_pw_aff *upa; | |||
8572 | ||||
8573 | if (!mupa) | |||
8574 | return NULL((void*)0); | |||
8575 | ||||
8576 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
8577 | if (n == 0) | |||
8578 | return isl_union_pw_multi_aff_from_multi_union_pw_aff_0D(mupa); | |||
8579 | ||||
8580 | space = isl_multi_union_pw_aff_get_space(mupa); | |||
8581 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, 0); | |||
8582 | upma = isl_union_pw_multi_aff_from_union_pw_aff(upa); | |||
8583 | ||||
8584 | for (i = 1; i < n; ++i) { | |||
8585 | isl_union_pw_multi_aff *upma_i; | |||
8586 | ||||
8587 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
8588 | upma_i = isl_union_pw_multi_aff_from_union_pw_aff(upa); | |||
8589 | upma = isl_union_pw_multi_aff_flat_range_product(upma, upma_i); | |||
8590 | } | |||
8591 | ||||
8592 | upma = isl_union_pw_multi_aff_reset_range_space(upma, space); | |||
8593 | ||||
8594 | isl_multi_union_pw_aff_free(mupa); | |||
8595 | return upma; | |||
8596 | } | |||
8597 | ||||
8598 | /* Intersect the range of "mupa" with "range", | |||
8599 | * in the special case where "mupa" is 0D. | |||
8600 | * | |||
8601 | * Intersect the domain of "mupa" with the constraints on the parameters | |||
8602 | * of "range". | |||
8603 | */ | |||
8604 | static __isl_give isl_multi_union_pw_aff *mupa_intersect_range_0D( | |||
8605 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_setisl_map *range) | |||
8606 | { | |||
8607 | range = isl_set_params(range); | |||
8608 | mupa = isl_multi_union_pw_aff_intersect_params(mupa, range); | |||
8609 | return mupa; | |||
8610 | } | |||
8611 | ||||
8612 | /* Intersect the range of "mupa" with "range". | |||
8613 | * That is, keep only those domain elements that have a function value | |||
8614 | * in "range". | |||
8615 | */ | |||
8616 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_intersect_range( | |||
8617 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_setisl_map *range) | |||
8618 | { | |||
8619 | isl_union_pw_multi_aff *upma; | |||
8620 | isl_union_setisl_union_map *domain; | |||
8621 | isl_space *space; | |||
8622 | int n; | |||
8623 | int match; | |||
8624 | ||||
8625 | if (!mupa || !range) | |||
8626 | goto error; | |||
8627 | ||||
8628 | space = isl_set_get_space(range); | |||
8629 | match = isl_space_tuple_is_equal(mupa->space, isl_dim_set, | |||
8630 | space, isl_dim_set); | |||
8631 | isl_space_free(space); | |||
8632 | if (match < 0) | |||
8633 | goto error; | |||
8634 | if (!match) | |||
8635 | isl_die(isl_multi_union_pw_aff_get_ctx(mupa), isl_error_invalid,do { isl_handle_error(isl_multi_union_pw_aff_get_ctx(mupa), isl_error_invalid , "space don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8636); goto error; } while (0) | |||
8636 | "space don't match", goto error)do { isl_handle_error(isl_multi_union_pw_aff_get_ctx(mupa), isl_error_invalid , "space don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8636); goto error; } while (0); | |||
8637 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
8638 | if (n == 0) | |||
8639 | return mupa_intersect_range_0D(mupa, range); | |||
8640 | ||||
8641 | upma = isl_union_pw_multi_aff_from_multi_union_pw_aff( | |||
8642 | isl_multi_union_pw_aff_copy(mupa)); | |||
8643 | domain = isl_union_set_from_set(range); | |||
8644 | domain = isl_union_set_preimage_union_pw_multi_aff(domain, upma); | |||
8645 | mupa = isl_multi_union_pw_aff_intersect_domain(mupa, domain); | |||
8646 | ||||
8647 | return mupa; | |||
8648 | error: | |||
8649 | isl_multi_union_pw_aff_free(mupa); | |||
8650 | isl_set_free(range); | |||
8651 | return NULL((void*)0); | |||
8652 | } | |||
8653 | ||||
8654 | /* Return the shared domain of the elements of "mupa", | |||
8655 | * in the special case where "mupa" is zero-dimensional. | |||
8656 | * | |||
8657 | * Return the explicit domain of "mupa". | |||
8658 | * Note that this domain may be a parameter set, either | |||
8659 | * because "mupa" is meant to live in a set space or | |||
8660 | * because no explicit domain has been set. | |||
8661 | */ | |||
8662 | __isl_give isl_union_setisl_union_map *isl_multi_union_pw_aff_domain_0D( | |||
8663 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8664 | { | |||
8665 | isl_union_setisl_union_map *dom; | |||
8666 | ||||
8667 | dom = isl_multi_union_pw_aff_get_explicit_domain(mupa); | |||
8668 | isl_multi_union_pw_aff_free(mupa); | |||
8669 | ||||
8670 | return dom; | |||
8671 | } | |||
8672 | ||||
8673 | /* Return the shared domain of the elements of "mupa". | |||
8674 | * | |||
8675 | * If "mupa" is zero-dimensional, then return its explicit domain. | |||
8676 | */ | |||
8677 | __isl_give isl_union_setisl_union_map *isl_multi_union_pw_aff_domain( | |||
8678 | __isl_take isl_multi_union_pw_aff *mupa) | |||
8679 | { | |||
8680 | int i, n; | |||
8681 | isl_union_pw_aff *upa; | |||
8682 | isl_union_setisl_union_map *dom; | |||
8683 | ||||
8684 | if (!mupa) | |||
8685 | return NULL((void*)0); | |||
8686 | ||||
8687 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
8688 | if (n == 0) | |||
8689 | return isl_multi_union_pw_aff_domain_0D(mupa); | |||
8690 | ||||
8691 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, 0); | |||
8692 | dom = isl_union_pw_aff_domain(upa); | |||
8693 | for (i = 1; i < n; ++i) { | |||
8694 | isl_union_setisl_union_map *dom_i; | |||
8695 | ||||
8696 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
8697 | dom_i = isl_union_pw_aff_domain(upa); | |||
8698 | dom = isl_union_set_intersect(dom, dom_i); | |||
8699 | } | |||
8700 | ||||
8701 | isl_multi_union_pw_aff_free(mupa); | |||
8702 | return dom; | |||
8703 | } | |||
8704 | ||||
8705 | /* Apply "aff" to "mupa". The space of "mupa" is equal to the domain of "aff". | |||
8706 | * In particular, the spaces have been aligned. | |||
8707 | * The result is defined over the shared domain of the elements of "mupa" | |||
8708 | * | |||
8709 | * We first extract the parametric constant part of "aff" and | |||
8710 | * define that over the shared domain. | |||
8711 | * Then we iterate over all input dimensions of "aff" and add the corresponding | |||
8712 | * multiples of the elements of "mupa". | |||
8713 | * Finally, we consider the integer divisions, calling the function | |||
8714 | * recursively to obtain an isl_union_pw_aff corresponding to the | |||
8715 | * integer division argument. | |||
8716 | */ | |||
8717 | static __isl_give isl_union_pw_aff *multi_union_pw_aff_apply_aff( | |||
8718 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_aff *aff) | |||
8719 | { | |||
8720 | int i, n_in, n_div; | |||
8721 | isl_union_pw_aff *upa; | |||
8722 | isl_union_setisl_union_map *uset; | |||
8723 | isl_val *v; | |||
8724 | isl_aff *cst; | |||
8725 | ||||
8726 | n_in = isl_aff_dim(aff, isl_dim_in); | |||
8727 | n_div = isl_aff_dim(aff, isl_dim_div); | |||
8728 | ||||
8729 | uset = isl_multi_union_pw_aff_domain(isl_multi_union_pw_aff_copy(mupa)); | |||
8730 | cst = isl_aff_copy(aff); | |||
8731 | cst = isl_aff_drop_dims(cst, isl_dim_div, 0, n_div); | |||
8732 | cst = isl_aff_drop_dims(cst, isl_dim_in, 0, n_in); | |||
8733 | cst = isl_aff_project_domain_on_params(cst); | |||
8734 | upa = isl_union_pw_aff_aff_on_domain(uset, cst); | |||
8735 | ||||
8736 | for (i = 0; i < n_in; ++i) { | |||
8737 | isl_union_pw_aff *upa_i; | |||
8738 | ||||
8739 | if (!isl_aff_involves_dims(aff, isl_dim_in, i, 1)) | |||
8740 | continue; | |||
8741 | v = isl_aff_get_coefficient_val(aff, isl_dim_in, i); | |||
8742 | upa_i = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
8743 | upa_i = isl_union_pw_aff_scale_val(upa_i, v); | |||
8744 | upa = isl_union_pw_aff_add(upa, upa_i); | |||
8745 | } | |||
8746 | ||||
8747 | for (i = 0; i < n_div; ++i) { | |||
8748 | isl_aff *div; | |||
8749 | isl_union_pw_aff *upa_i; | |||
8750 | ||||
8751 | if (!isl_aff_involves_dims(aff, isl_dim_div, i, 1)) | |||
8752 | continue; | |||
8753 | div = isl_aff_get_div(aff, i); | |||
8754 | upa_i = multi_union_pw_aff_apply_aff( | |||
8755 | isl_multi_union_pw_aff_copy(mupa), div); | |||
8756 | upa_i = isl_union_pw_aff_floor(upa_i); | |||
8757 | v = isl_aff_get_coefficient_val(aff, isl_dim_div, i); | |||
8758 | upa_i = isl_union_pw_aff_scale_val(upa_i, v); | |||
8759 | upa = isl_union_pw_aff_add(upa, upa_i); | |||
8760 | } | |||
8761 | ||||
8762 | isl_multi_union_pw_aff_free(mupa); | |||
8763 | isl_aff_free(aff); | |||
8764 | ||||
8765 | return upa; | |||
8766 | } | |||
8767 | ||||
8768 | /* Apply "aff" to "mupa". The space of "mupa" needs to be compatible | |||
8769 | * with the domain of "aff". | |||
8770 | * Furthermore, the dimension of this space needs to be greater than zero. | |||
8771 | * The result is defined over the shared domain of the elements of "mupa" | |||
8772 | * | |||
8773 | * We perform these checks and then hand over control to | |||
8774 | * multi_union_pw_aff_apply_aff. | |||
8775 | */ | |||
8776 | __isl_give isl_union_pw_aff *isl_multi_union_pw_aff_apply_aff( | |||
8777 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_aff *aff) | |||
8778 | { | |||
8779 | isl_space *space1, *space2; | |||
8780 | int equal; | |||
8781 | ||||
8782 | mupa = isl_multi_union_pw_aff_align_params(mupa, | |||
8783 | isl_aff_get_space(aff)); | |||
8784 | aff = isl_aff_align_params(aff, isl_multi_union_pw_aff_get_space(mupa)); | |||
8785 | if (!mupa || !aff) | |||
8786 | goto error; | |||
8787 | ||||
8788 | space1 = isl_multi_union_pw_aff_get_space(mupa); | |||
8789 | space2 = isl_aff_get_domain_space(aff); | |||
8790 | equal = isl_space_is_equal(space1, space2); | |||
8791 | isl_space_free(space1); | |||
8792 | isl_space_free(space2); | |||
8793 | if (equal < 0) | |||
8794 | goto error; | |||
8795 | if (!equal) | |||
8796 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8797); goto error; } while (0) | |||
8797 | "spaces don't match", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8797); goto error; } while (0); | |||
8798 | if (isl_aff_dim(aff, isl_dim_in) == 0) | |||
8799 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot determine domains", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8800); goto error; } while (0) | |||
8800 | "cannot determine domains", goto error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "cannot determine domains", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8800); goto error; } while (0); | |||
8801 | ||||
8802 | return multi_union_pw_aff_apply_aff(mupa, aff); | |||
8803 | error: | |||
8804 | isl_multi_union_pw_aff_free(mupa); | |||
8805 | isl_aff_free(aff); | |||
8806 | return NULL((void*)0); | |||
8807 | } | |||
8808 | ||||
8809 | /* Apply "ma" to "mupa", in the special case where "mupa" is 0D. | |||
8810 | * The space of "mupa" is known to be compatible with the domain of "ma". | |||
8811 | * | |||
8812 | * Construct an isl_multi_union_pw_aff that is equal to "ma" | |||
8813 | * on the domain of "mupa". | |||
8814 | */ | |||
8815 | static __isl_give isl_multi_union_pw_aff *mupa_apply_multi_aff_0D( | |||
8816 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_multi_aff *ma) | |||
8817 | { | |||
8818 | isl_union_setisl_union_map *dom; | |||
8819 | ||||
8820 | dom = isl_multi_union_pw_aff_domain(mupa); | |||
8821 | ma = isl_multi_aff_project_domain_on_params(ma); | |||
8822 | ||||
8823 | return isl_multi_union_pw_aff_multi_aff_on_domain(dom, ma); | |||
8824 | } | |||
8825 | ||||
8826 | /* Apply "ma" to "mupa". The space of "mupa" needs to be compatible | |||
8827 | * with the domain of "ma". | |||
8828 | * The result is defined over the shared domain of the elements of "mupa" | |||
8829 | */ | |||
8830 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_apply_multi_aff( | |||
8831 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_multi_aff *ma) | |||
8832 | { | |||
8833 | isl_space *space1, *space2; | |||
8834 | isl_multi_union_pw_aff *res; | |||
8835 | int equal; | |||
8836 | int i, n_out; | |||
8837 | ||||
8838 | mupa = isl_multi_union_pw_aff_align_params(mupa, | |||
8839 | isl_multi_aff_get_space(ma)); | |||
8840 | ma = isl_multi_aff_align_params(ma, | |||
8841 | isl_multi_union_pw_aff_get_space(mupa)); | |||
8842 | if (!mupa || !ma) | |||
8843 | goto error; | |||
8844 | ||||
8845 | space1 = isl_multi_union_pw_aff_get_space(mupa); | |||
8846 | space2 = isl_multi_aff_get_domain_space(ma); | |||
8847 | equal = isl_space_is_equal(space1, space2); | |||
8848 | isl_space_free(space1); | |||
8849 | isl_space_free(space2); | |||
8850 | if (equal < 0) | |||
8851 | goto error; | |||
8852 | if (!equal) | |||
8853 | isl_die(isl_multi_aff_get_ctx(ma), isl_error_invalid,do { isl_handle_error(isl_multi_aff_get_ctx(ma), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8854); goto error; } while (0) | |||
8854 | "spaces don't match", goto error)do { isl_handle_error(isl_multi_aff_get_ctx(ma), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8854); goto error; } while (0); | |||
8855 | n_out = isl_multi_aff_dim(ma, isl_dim_out); | |||
8856 | if (isl_multi_aff_dim(ma, isl_dim_in) == 0) | |||
8857 | return mupa_apply_multi_aff_0D(mupa, ma); | |||
8858 | ||||
8859 | space1 = isl_space_range(isl_multi_aff_get_space(ma)); | |||
8860 | res = isl_multi_union_pw_aff_alloc(space1); | |||
8861 | ||||
8862 | for (i = 0; i < n_out; ++i) { | |||
8863 | isl_aff *aff; | |||
8864 | isl_union_pw_aff *upa; | |||
8865 | ||||
8866 | aff = isl_multi_aff_get_aff(ma, i); | |||
8867 | upa = multi_union_pw_aff_apply_aff( | |||
8868 | isl_multi_union_pw_aff_copy(mupa), aff); | |||
8869 | res = isl_multi_union_pw_aff_set_union_pw_aff(res, i, upa); | |||
8870 | } | |||
8871 | ||||
8872 | isl_multi_aff_free(ma); | |||
8873 | isl_multi_union_pw_aff_free(mupa); | |||
8874 | return res; | |||
8875 | error: | |||
8876 | isl_multi_union_pw_aff_free(mupa); | |||
8877 | isl_multi_aff_free(ma); | |||
8878 | return NULL((void*)0); | |||
8879 | } | |||
8880 | ||||
8881 | /* Apply "pa" to "mupa", in the special case where "mupa" is 0D. | |||
8882 | * The space of "mupa" is known to be compatible with the domain of "pa". | |||
8883 | * | |||
8884 | * Construct an isl_multi_union_pw_aff that is equal to "pa" | |||
8885 | * on the domain of "mupa". | |||
8886 | */ | |||
8887 | static __isl_give isl_union_pw_aff *isl_multi_union_pw_aff_apply_pw_aff_0D( | |||
8888 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_pw_aff *pa) | |||
8889 | { | |||
8890 | isl_union_setisl_union_map *dom; | |||
8891 | ||||
8892 | dom = isl_multi_union_pw_aff_domain(mupa); | |||
8893 | pa = isl_pw_aff_project_domain_on_params(pa); | |||
8894 | ||||
8895 | return isl_union_pw_aff_pw_aff_on_domain(dom, pa); | |||
8896 | } | |||
8897 | ||||
8898 | /* Apply "pa" to "mupa". The space of "mupa" needs to be compatible | |||
8899 | * with the domain of "pa". | |||
8900 | * Furthermore, the dimension of this space needs to be greater than zero. | |||
8901 | * The result is defined over the shared domain of the elements of "mupa" | |||
8902 | */ | |||
8903 | __isl_give isl_union_pw_aff *isl_multi_union_pw_aff_apply_pw_aff( | |||
8904 | __isl_take isl_multi_union_pw_aff *mupa, __isl_take isl_pw_aff *pa) | |||
8905 | { | |||
8906 | int i; | |||
8907 | int equal; | |||
8908 | isl_space *space, *space2; | |||
8909 | isl_union_pw_aff *upa; | |||
8910 | ||||
8911 | mupa = isl_multi_union_pw_aff_align_params(mupa, | |||
8912 | isl_pw_aff_get_space(pa)); | |||
8913 | pa = isl_pw_aff_align_params(pa, | |||
8914 | isl_multi_union_pw_aff_get_space(mupa)); | |||
8915 | if (!mupa || !pa) | |||
8916 | goto error; | |||
8917 | ||||
8918 | space = isl_multi_union_pw_aff_get_space(mupa); | |||
8919 | space2 = isl_pw_aff_get_domain_space(pa); | |||
8920 | equal = isl_space_is_equal(space, space2); | |||
8921 | isl_space_free(space); | |||
8922 | isl_space_free(space2); | |||
8923 | if (equal < 0) | |||
8924 | goto error; | |||
8925 | if (!equal) | |||
8926 | isl_die(isl_pw_aff_get_ctx(pa), isl_error_invalid,do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8927); goto error; } while (0) | |||
8927 | "spaces don't match", goto error)do { isl_handle_error(isl_pw_aff_get_ctx(pa), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 8927); goto error; } while (0); | |||
8928 | if (isl_pw_aff_dim(pa, isl_dim_in) == 0) | |||
8929 | return isl_multi_union_pw_aff_apply_pw_aff_0D(mupa, pa); | |||
8930 | ||||
8931 | space = isl_space_params(isl_multi_union_pw_aff_get_space(mupa)); | |||
8932 | upa = isl_union_pw_aff_empty(space); | |||
8933 | ||||
8934 | for (i = 0; i < pa->n; ++i) { | |||
8935 | isl_aff *aff; | |||
8936 | isl_setisl_map *domain; | |||
8937 | isl_multi_union_pw_aff *mupa_i; | |||
8938 | isl_union_pw_aff *upa_i; | |||
8939 | ||||
8940 | mupa_i = isl_multi_union_pw_aff_copy(mupa); | |||
8941 | domain = isl_set_copy(pa->p[i].set); | |||
8942 | mupa_i = isl_multi_union_pw_aff_intersect_range(mupa_i, domain); | |||
8943 | aff = isl_aff_copy(pa->p[i].aff); | |||
8944 | upa_i = multi_union_pw_aff_apply_aff(mupa_i, aff); | |||
8945 | upa = isl_union_pw_aff_union_add(upa, upa_i); | |||
8946 | } | |||
8947 | ||||
8948 | isl_multi_union_pw_aff_free(mupa); | |||
8949 | isl_pw_aff_free(pa); | |||
8950 | return upa; | |||
8951 | error: | |||
8952 | isl_multi_union_pw_aff_free(mupa); | |||
8953 | isl_pw_aff_free(pa); | |||
8954 | return NULL((void*)0); | |||
8955 | } | |||
8956 | ||||
8957 | /* Apply "pma" to "mupa", in the special case where "mupa" is 0D. | |||
8958 | * The space of "mupa" is known to be compatible with the domain of "pma". | |||
8959 | * | |||
8960 | * Construct an isl_multi_union_pw_aff that is equal to "pma" | |||
8961 | * on the domain of "mupa". | |||
8962 | */ | |||
8963 | static __isl_give isl_multi_union_pw_aff *mupa_apply_pw_multi_aff_0D( | |||
8964 | __isl_take isl_multi_union_pw_aff *mupa, | |||
8965 | __isl_take isl_pw_multi_aff *pma) | |||
8966 | { | |||
8967 | isl_union_setisl_union_map *dom; | |||
8968 | ||||
8969 | dom = isl_multi_union_pw_aff_domain(mupa); | |||
8970 | pma = isl_pw_multi_aff_project_domain_on_params(pma); | |||
8971 | ||||
8972 | return isl_multi_union_pw_aff_pw_multi_aff_on_domain(dom, pma); | |||
8973 | } | |||
8974 | ||||
8975 | /* Apply "pma" to "mupa". The space of "mupa" needs to be compatible | |||
8976 | * with the domain of "pma". | |||
8977 | * The result is defined over the shared domain of the elements of "mupa" | |||
8978 | */ | |||
8979 | __isl_give isl_multi_union_pw_aff *isl_multi_union_pw_aff_apply_pw_multi_aff( | |||
8980 | __isl_take isl_multi_union_pw_aff *mupa, | |||
8981 | __isl_take isl_pw_multi_aff *pma) | |||
8982 | { | |||
8983 | isl_space *space1, *space2; | |||
8984 | isl_multi_union_pw_aff *res; | |||
8985 | int equal; | |||
8986 | int i, n_out; | |||
8987 | ||||
8988 | mupa = isl_multi_union_pw_aff_align_params(mupa, | |||
8989 | isl_pw_multi_aff_get_space(pma)); | |||
8990 | pma = isl_pw_multi_aff_align_params(pma, | |||
8991 | isl_multi_union_pw_aff_get_space(mupa)); | |||
8992 | if (!mupa || !pma) | |||
8993 | goto error; | |||
8994 | ||||
8995 | space1 = isl_multi_union_pw_aff_get_space(mupa); | |||
8996 | space2 = isl_pw_multi_aff_get_domain_space(pma); | |||
8997 | equal = isl_space_is_equal(space1, space2); | |||
8998 | isl_space_free(space1); | |||
8999 | isl_space_free(space2); | |||
9000 | if (equal < 0) | |||
9001 | goto error; | |||
9002 | if (!equal) | |||
9003 | isl_die(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid,do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 9004); goto error; } while (0) | |||
9004 | "spaces don't match", goto error)do { isl_handle_error(isl_pw_multi_aff_get_ctx(pma), isl_error_invalid , "spaces don't match", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 9004); goto error; } while (0); | |||
9005 | n_out = isl_pw_multi_aff_dim(pma, isl_dim_out); | |||
9006 | if (isl_pw_multi_aff_dim(pma, isl_dim_in) == 0) | |||
9007 | return mupa_apply_pw_multi_aff_0D(mupa, pma); | |||
9008 | ||||
9009 | space1 = isl_space_range(isl_pw_multi_aff_get_space(pma)); | |||
9010 | res = isl_multi_union_pw_aff_alloc(space1); | |||
9011 | ||||
9012 | for (i = 0; i < n_out; ++i) { | |||
9013 | isl_pw_aff *pa; | |||
9014 | isl_union_pw_aff *upa; | |||
9015 | ||||
9016 | pa = isl_pw_multi_aff_get_pw_aff(pma, i); | |||
9017 | upa = isl_multi_union_pw_aff_apply_pw_aff( | |||
9018 | isl_multi_union_pw_aff_copy(mupa), pa); | |||
9019 | res = isl_multi_union_pw_aff_set_union_pw_aff(res, i, upa); | |||
9020 | } | |||
9021 | ||||
9022 | isl_pw_multi_aff_free(pma); | |||
9023 | isl_multi_union_pw_aff_free(mupa); | |||
9024 | return res; | |||
9025 | error: | |||
9026 | isl_multi_union_pw_aff_free(mupa); | |||
9027 | isl_pw_multi_aff_free(pma); | |||
9028 | return NULL((void*)0); | |||
9029 | } | |||
9030 | ||||
9031 | /* Replace the explicit domain of "mupa" by its preimage under "upma". | |||
9032 | * If the explicit domain only keeps track of constraints on the parameters, | |||
9033 | * then only update those constraints. | |||
9034 | */ | |||
9035 | static __isl_give isl_multi_union_pw_aff *preimage_explicit_domain( | |||
9036 | __isl_take isl_multi_union_pw_aff *mupa, | |||
9037 | __isl_keep isl_union_pw_multi_aff *upma) | |||
9038 | { | |||
9039 | isl_bool is_params; | |||
9040 | ||||
9041 | if (isl_multi_union_pw_aff_check_has_explicit_domain(mupa) < 0) | |||
9042 | return isl_multi_union_pw_aff_free(mupa); | |||
9043 | ||||
9044 | mupa = isl_multi_union_pw_aff_cow(mupa); | |||
9045 | if (!mupa) | |||
9046 | return NULL((void*)0); | |||
9047 | ||||
9048 | is_params = isl_union_set_is_params(mupa->u.dom); | |||
9049 | if (is_params < 0) | |||
9050 | return isl_multi_union_pw_aff_free(mupa); | |||
9051 | ||||
9052 | upma = isl_union_pw_multi_aff_copy(upma); | |||
9053 | if (is_params) | |||
9054 | mupa->u.dom = isl_union_set_intersect_params(mupa->u.dom, | |||
9055 | isl_union_set_params(isl_union_pw_multi_aff_domain(upma))); | |||
9056 | else | |||
9057 | mupa->u.dom = isl_union_set_preimage_union_pw_multi_aff( | |||
9058 | mupa->u.dom, upma); | |||
9059 | if (!mupa->u.dom) | |||
9060 | return isl_multi_union_pw_aff_free(mupa); | |||
9061 | return mupa; | |||
9062 | } | |||
9063 | ||||
9064 | /* Compute the pullback of "mupa" by the function represented by "upma". | |||
9065 | * In other words, plug in "upma" in "mupa". The result contains | |||
9066 | * expressions defined over the domain space of "upma". | |||
9067 | * | |||
9068 | * Run over all elements of "mupa" and plug in "upma" in each of them. | |||
9069 | * | |||
9070 | * If "mupa" has an explicit domain, then it is this domain | |||
9071 | * that needs to undergo a pullback instead, i.e., a preimage. | |||
9072 | */ | |||
9073 | __isl_give isl_multi_union_pw_aff * | |||
9074 | isl_multi_union_pw_aff_pullback_union_pw_multi_aff( | |||
9075 | __isl_take isl_multi_union_pw_aff *mupa, | |||
9076 | __isl_take isl_union_pw_multi_aff *upma) | |||
9077 | { | |||
9078 | int i, n; | |||
9079 | ||||
9080 | mupa = isl_multi_union_pw_aff_align_params(mupa, | |||
9081 | isl_union_pw_multi_aff_get_space(upma)); | |||
9082 | upma = isl_union_pw_multi_aff_align_params(upma, | |||
9083 | isl_multi_union_pw_aff_get_space(mupa)); | |||
9084 | mupa = isl_multi_union_pw_aff_cow(mupa); | |||
9085 | if (!mupa || !upma) | |||
9086 | goto error; | |||
9087 | ||||
9088 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
9089 | for (i = 0; i < n; ++i) { | |||
9090 | isl_union_pw_aff *upa; | |||
9091 | ||||
9092 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
9093 | upa = isl_union_pw_aff_pullback_union_pw_multi_aff(upa, | |||
9094 | isl_union_pw_multi_aff_copy(upma)); | |||
9095 | mupa = isl_multi_union_pw_aff_set_union_pw_aff(mupa, i, upa); | |||
9096 | } | |||
9097 | ||||
9098 | if (isl_multi_union_pw_aff_has_explicit_domain(mupa)) | |||
9099 | mupa = preimage_explicit_domain(mupa, upma); | |||
9100 | ||||
9101 | isl_union_pw_multi_aff_free(upma); | |||
9102 | return mupa; | |||
9103 | error: | |||
9104 | isl_multi_union_pw_aff_free(mupa); | |||
9105 | isl_union_pw_multi_aff_free(upma); | |||
9106 | return NULL((void*)0); | |||
9107 | } | |||
9108 | ||||
9109 | /* Extract the sequence of elements in "mupa" with domain space "space" | |||
9110 | * (ignoring parameters). | |||
9111 | * | |||
9112 | * For the elements of "mupa" that are not defined on the specified space, | |||
9113 | * the corresponding element in the result is empty. | |||
9114 | */ | |||
9115 | __isl_give isl_multi_pw_aff *isl_multi_union_pw_aff_extract_multi_pw_aff( | |||
9116 | __isl_keep isl_multi_union_pw_aff *mupa, __isl_take isl_space *space) | |||
9117 | { | |||
9118 | int i, n; | |||
9119 | isl_space *space_mpa; | |||
9120 | isl_multi_pw_aff *mpa; | |||
9121 | ||||
9122 | if (!mupa || !space) | |||
9123 | goto error; | |||
9124 | ||||
9125 | space_mpa = isl_multi_union_pw_aff_get_space(mupa); | |||
9126 | space = isl_space_replace_params(space, space_mpa); | |||
9127 | space_mpa = isl_space_map_from_domain_and_range(isl_space_copy(space), | |||
9128 | space_mpa); | |||
9129 | mpa = isl_multi_pw_aff_alloc(space_mpa); | |||
9130 | ||||
9131 | space = isl_space_from_domain(space); | |||
9132 | space = isl_space_add_dims(space, isl_dim_out, 1); | |||
9133 | n = isl_multi_union_pw_aff_dim(mupa, isl_dim_set); | |||
9134 | for (i = 0; i < n; ++i) { | |||
9135 | isl_union_pw_aff *upa; | |||
9136 | isl_pw_aff *pa; | |||
9137 | ||||
9138 | upa = isl_multi_union_pw_aff_get_union_pw_aff(mupa, i); | |||
9139 | pa = isl_union_pw_aff_extract_pw_aff(upa, | |||
9140 | isl_space_copy(space)); | |||
9141 | mpa = isl_multi_pw_aff_set_pw_aff(mpa, i, pa); | |||
9142 | isl_union_pw_aff_free(upa); | |||
9143 | } | |||
9144 | ||||
9145 | isl_space_free(space); | |||
9146 | return mpa; | |||
9147 | error: | |||
9148 | isl_space_free(space); | |||
9149 | return NULL((void*)0); | |||
9150 | } | |||
9151 | ||||
9152 | /* Evaluate the affine function "aff" in the void point "pnt". | |||
9153 | * In particular, return the value NaN. | |||
9154 | */ | |||
9155 | static __isl_give isl_val *eval_void(__isl_take isl_aff *aff, | |||
9156 | __isl_take isl_point *pnt) | |||
9157 | { | |||
9158 | isl_ctx *ctx; | |||
9159 | ||||
9160 | ctx = isl_point_get_ctx(pnt); | |||
9161 | isl_aff_free(aff); | |||
9162 | isl_point_free(pnt); | |||
9163 | return isl_val_nan(ctx); | |||
9164 | } | |||
9165 | ||||
9166 | /* Evaluate the affine expression "aff" | |||
9167 | * in the coordinates (with denominator) "pnt". | |||
9168 | */ | |||
9169 | static __isl_give isl_val *eval(__isl_keep isl_vec *aff, | |||
9170 | __isl_keep isl_vec *pnt) | |||
9171 | { | |||
9172 | isl_int n, d; | |||
9173 | isl_ctx *ctx; | |||
9174 | isl_val *v; | |||
9175 | ||||
9176 | if (!aff || !pnt) | |||
9177 | return NULL((void*)0); | |||
9178 | ||||
9179 | ctx = isl_vec_get_ctx(aff); | |||
9180 | isl_int_init(n)isl_sioimath_init((n)); | |||
9181 | isl_int_init(d)isl_sioimath_init((d)); | |||
9182 | isl_seq_inner_product(aff->el + 1, pnt->el, pnt->size, &n); | |||
9183 | isl_int_mul(d, aff->el[0], pnt->el[0])isl_sioimath_mul((d), *(aff->el[0]), *(pnt->el[0])); | |||
9184 | v = isl_val_rat_from_isl_int(ctx, n, d); | |||
9185 | v = isl_val_normalize(v); | |||
9186 | isl_int_clear(n)isl_sioimath_clear((n)); | |||
9187 | isl_int_clear(d)isl_sioimath_clear((d)); | |||
9188 | ||||
9189 | return v; | |||
9190 | } | |||
9191 | ||||
9192 | /* Check that the domain space of "aff" is equal to "space". | |||
9193 | */ | |||
9194 | static isl_stat isl_aff_check_has_domain_space(__isl_keep isl_aff *aff, | |||
9195 | __isl_keep isl_space *space) | |||
9196 | { | |||
9197 | isl_bool ok; | |||
9198 | ||||
9199 | ok = isl_space_is_equal(isl_aff_peek_domain_space(aff), space); | |||
9200 | if (ok < 0) | |||
9201 | return isl_stat_error; | |||
9202 | if (!ok) | |||
9203 | isl_die(isl_aff_get_ctx(aff), isl_error_invalid,do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "incompatible spaces", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 9204); return isl_stat_error; } while (0) | |||
9204 | "incompatible spaces", return isl_stat_error)do { isl_handle_error(isl_aff_get_ctx(aff), isl_error_invalid , "incompatible spaces", "/build/llvm-toolchain-snapshot-9~svn362543/tools/polly/lib/External/isl/isl_aff.c" , 9204); return isl_stat_error; } while (0); | |||
9205 | return isl_stat_ok; | |||
9206 | } | |||
9207 | ||||
9208 | /* Evaluate the affine function "aff" in "pnt". | |||
9209 | */ | |||
9210 | __isl_give isl_val *isl_aff_eval(__isl_take isl_aff *aff, | |||
9211 | __isl_take isl_point *pnt) | |||
9212 | { | |||
9213 | isl_bool is_void; | |||
9214 | isl_val *v; | |||
9215 | isl_local_space *ls; | |||
9216 | ||||
9217 | if (isl_aff_check_has_domain_space(aff, isl_point_peek_space(pnt)) < 0) | |||
9218 | goto error; | |||
9219 | is_void = isl_point_is_void(pnt); | |||
9220 | if (is_void < 0) | |||
9221 | goto error; | |||
9222 | if (is_void) | |||
9223 | return eval_void(aff, pnt); | |||
9224 | ||||
9225 | ls = isl_aff_get_domain_local_space(aff); | |||
9226 | pnt = isl_local_space_lift_point(ls, pnt); | |||
9227 | ||||
9228 | v = eval(aff->v, isl_point_peek_vec(pnt)); | |||
9229 | ||||
9230 | isl_aff_free(aff); | |||
9231 | isl_point_free(pnt); | |||
9232 | ||||
9233 | return v; | |||
9234 | error: | |||
9235 | isl_aff_free(aff); | |||
9236 | isl_point_free(pnt); | |||
9237 | return NULL((void*)0); | |||
9238 | } |