2 * Copyright 2010 INRIA Saclay
4 * Use of this software is governed by the GNU LGPLv2.1 license
6 * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
7 * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
11 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
12 #define FN(TYPE,NAME) xFN(TYPE,NAME)
13 #define xS(TYPE,NAME) struct TYPE ## _ ## NAME
14 #define S(TYPE,NAME) xS(TYPE,NAME)
23 struct isl_hash_table table;
26 __isl_give UNION *FN(UNION,cow)(__isl_take UNION *u);
28 isl_ctx *FN(UNION,get_ctx)(__isl_keep UNION *u)
30 return u ? u->dim->ctx : NULL;
33 __isl_give isl_space *FN(UNION,get_space)(__isl_keep UNION *u)
37 return isl_space_copy(u->dim);
41 static __isl_give UNION *FN(UNION,alloc)(__isl_take isl_space *dim,
42 enum isl_fold type, int size)
44 static __isl_give UNION *FN(UNION,alloc)(__isl_take isl_space *dim, int size)
49 dim = isl_space_params(dim);
53 u = isl_calloc_type(dim->ctx, UNION);
62 if (isl_hash_table_init(dim->ctx, &u->table, size) < 0)
73 __isl_give UNION *FN(UNION,ZERO)(__isl_take isl_space *dim, enum isl_fold type)
75 return FN(UNION,alloc)(dim, type, 16);
78 __isl_give UNION *FN(UNION,ZERO)(__isl_take isl_space *dim)
80 return FN(UNION,alloc)(dim, 16);
84 __isl_give UNION *FN(UNION,copy)(__isl_keep UNION *u)
95 int (*fn)(__isl_take PART *part, void *user);
99 static int call_on_copy(void **entry, void *user)
102 S(UNION,foreach_data) *data = (S(UNION,foreach_data) *)user;
104 return data->fn(FN(PART,copy)(part), data->user);
107 int FN(FN(UNION,foreach),PARTS)(__isl_keep UNION *u,
108 int (*fn)(__isl_take PART *part, void *user), void *user)
110 S(UNION,foreach_data) data = { fn, user };
115 return isl_hash_table_foreach(u->dim->ctx, &u->table,
116 &call_on_copy, &data);
119 static int has_dim(const void *entry, const void *val)
121 PART *part = (PART *)entry;
122 isl_space *dim = (isl_space *)val;
124 return isl_space_is_equal(part->dim, dim);
127 __isl_give PART *FN(FN(UNION,extract),PARTS)(__isl_keep UNION *u,
128 __isl_take isl_space *dim)
131 struct isl_hash_table_entry *entry;
136 hash = isl_space_get_hash(dim);
137 entry = isl_hash_table_find(u->dim->ctx, &u->table, hash,
141 return FN(PART,ZERO)(dim, u->type);
143 return FN(PART,ZERO)(dim);
146 return FN(PART,copy)(entry->data);
152 __isl_give UNION *FN(FN(UNION,add),PARTS)(__isl_take UNION *u,
153 __isl_take PART *part)
156 struct isl_hash_table_entry *entry;
161 if (DEFAULT_IS_ZERO && FN(PART,IS_ZERO)(part)) {
166 u = FN(UNION,cow)(u);
171 isl_assert(u->dim->ctx, isl_space_match(part->dim, isl_dim_param, u->dim,
172 isl_dim_param), goto error);
174 hash = isl_space_get_hash(part->dim);
175 entry = isl_hash_table_find(u->dim->ctx, &u->table, hash,
176 &has_dim, part->dim, 1);
183 entry->data = FN(PART,add)(entry->data, FN(PART,copy)(part));
187 if (DEFAULT_IS_ZERO && FN(PART,IS_ZERO)(entry->data)) {
188 FN(PART,free)(entry->data);
189 isl_hash_table_remove(u->dim->ctx, &u->table, entry);
200 static int add_part(__isl_take PART *part, void *user)
202 UNION **u = (UNION **)user;
204 *u = FN(FN(UNION,add),PARTS)(*u, part);
209 __isl_give UNION *FN(UNION,dup)(__isl_keep UNION *u)
217 dup = FN(UNION,ZERO)(isl_space_copy(u->dim), u->type);
219 dup = FN(UNION,ZERO)(isl_space_copy(u->dim));
221 if (FN(FN(UNION,foreach),PARTS)(u, &add_part, &dup) < 0)
229 __isl_give UNION *FN(UNION,cow)(__isl_take UNION *u)
237 return FN(UNION,dup)(u);
240 static int free_u_entry(void **entry, void *user)
247 void *FN(UNION,free)(__isl_take UNION *u)
255 isl_hash_table_foreach(u->dim->ctx, &u->table, &free_u_entry, NULL);
256 isl_hash_table_clear(&u->table);
257 isl_space_free(u->dim);
268 static int align_entry(__isl_take PART *part, void *user)
271 S(UNION,align) *data = user;
273 exp = isl_reordering_extend_space(isl_reordering_copy(data->exp),
274 FN(PART,get_domain_space)(part));
276 data->res = FN(FN(UNION,add),PARTS)(data->res,
277 FN(PART,realign_domain)(part, exp));
282 static int align_entry(__isl_take PART *part, void *user)
285 S(UNION,align) *data = user;
287 exp = isl_reordering_extend_space(isl_reordering_copy(data->exp),
288 FN(PART,get_space)(part));
290 data->res = FN(FN(UNION,add),PARTS)(data->res,
291 FN(PART,realign)(part, exp));
297 __isl_give UNION *FN(UNION,align_params)(__isl_take UNION *u,
298 __isl_take isl_space *model)
300 S(UNION,align) data = { NULL, NULL };
305 if (isl_space_match(u->dim, isl_dim_param, model, isl_dim_param)) {
306 isl_space_free(model);
310 data.exp = isl_parameter_alignment_reordering(u->dim, model);
315 data.res = FN(UNION,alloc)(isl_space_copy(data.exp->dim),
316 u->type, u->table.n);
318 data.res = FN(UNION,alloc)(isl_space_copy(data.exp->dim), u->table.n);
320 if (FN(FN(UNION,foreach),PARTS)(u, &align_entry, &data) < 0)
323 isl_reordering_free(data.exp);
325 isl_space_free(model);
328 isl_reordering_free(data.exp);
330 FN(UNION,free)(data.res);
331 isl_space_free(model);
335 __isl_give UNION *FN(UNION,add)(__isl_take UNION *u1, __isl_take UNION *u2)
337 u1 = FN(UNION,align_params)(u1, FN(UNION,get_space)(u2));
338 u2 = FN(UNION,align_params)(u2, FN(UNION,get_space)(u1));
340 u1 = FN(UNION,cow)(u1);
345 if (FN(FN(UNION,foreach),PARTS)(u2, &add_part, &u1) < 0)
357 __isl_give UNION *FN(FN(UNION,from),PARTS)(__isl_take PART *part)
365 dim = FN(PART,get_space)(part);
366 dim = isl_space_drop_dims(dim, isl_dim_in, 0, isl_space_dim(dim, isl_dim_in));
367 dim = isl_space_drop_dims(dim, isl_dim_out, 0, isl_space_dim(dim, isl_dim_out));
369 u = FN(UNION,ZERO)(dim, part->type);
371 u = FN(UNION,ZERO)(dim);
373 u = FN(FN(UNION,add),PARTS)(u, part);
378 S(UNION,match_bin_data) {
381 __isl_give PART *(*fn)(__isl_take PART *, __isl_take PART *);
384 /* Check if data->u2 has an element living in the same space as *entry.
385 * If so, call data->fn on the two elements and add the result to
388 static int match_bin_entry(void **entry, void *user)
390 S(UNION,match_bin_data) *data = user;
392 struct isl_hash_table_entry *entry2;
396 space = FN(PART,get_space)(part);
397 hash = isl_space_get_hash(space);
398 entry2 = isl_hash_table_find(data->u2->dim->ctx, &data->u2->table,
399 hash, &has_dim, space, 0);
400 isl_space_free(space);
404 part = FN(PART, copy)(part);
405 part = data->fn(part, FN(PART, copy)(entry2->data));
407 if (DEFAULT_IS_ZERO) {
410 empty = FN(PART,IS_ZERO)(part);
421 data->res = FN(FN(UNION,add),PARTS)(data->res, part);
426 /* This function is currently only used from isl_polynomial.c
427 * and not from isl_fold.c.
429 static __isl_give UNION *match_bin_op(__isl_take UNION *u1,
430 __isl_take UNION *u2,
431 __isl_give PART *(*fn)(__isl_take PART *, __isl_take PART *))
432 __attribute__ ((unused));
433 /* For each pair of elements in "u1" and "u2" living in the same space,
434 * call "fn" and collect the results.
436 static __isl_give UNION *match_bin_op(__isl_take UNION *u1,
437 __isl_take UNION *u2,
438 __isl_give PART *(*fn)(__isl_take PART *, __isl_take PART *))
440 S(UNION,match_bin_data) data = { NULL, NULL, fn };
442 u1 = FN(UNION,align_params)(u1, FN(UNION,get_space)(u2));
443 u2 = FN(UNION,align_params)(u2, FN(UNION,get_space)(u1));
450 data.res = FN(UNION,alloc)(isl_space_copy(u1->dim), u1->type, u1->table.n);
452 data.res = FN(UNION,alloc)(isl_space_copy(u1->dim), u1->table.n);
454 if (isl_hash_table_foreach(u1->dim->ctx, &u1->table,
455 &match_bin_entry, &data) < 0)
464 FN(UNION,free)(data.res);
468 S(UNION,any_set_data) {
471 __isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*);
474 static int any_set_entry(void **entry, void *user)
476 S(UNION,any_set_data) *data = user;
479 pw = FN(PW,copy)(pw);
480 pw = data->fn(pw, isl_set_copy(data->set));
482 if (DEFAULT_IS_ZERO) {
485 empty = FN(PW,IS_ZERO)(pw);
496 data->res = FN(FN(UNION,add),PARTS)(data->res, pw);
501 /* Update each element of "u" by calling "fn" on the element and "set".
503 static __isl_give UNION *any_set_op(__isl_take UNION *u,
504 __isl_take isl_set *set,
505 __isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*))
507 S(UNION,any_set_data) data = { NULL, NULL, fn };
509 u = FN(UNION,align_params)(u, isl_set_get_space(set));
510 set = isl_set_align_params(set, FN(UNION,get_space)(u));
517 data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->type, u->table.n);
519 data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->table.n);
521 if (isl_hash_table_foreach(u->dim->ctx, &u->table,
522 &any_set_entry, &data) < 0)
531 FN(UNION,free)(data.res);
535 /* Intersect the domain of "u" with the parameter domain "context".
537 __isl_give UNION *FN(UNION,intersect_params)(__isl_take UNION *u,
538 __isl_take isl_set *set)
540 return any_set_op(u, set, &FN(PW,intersect_params));
543 /* Compute the gist of the domain of "u" with respect to
544 * the parameter domain "context".
546 __isl_give UNION *FN(UNION,gist_params)(__isl_take UNION *u,
547 __isl_take isl_set *set)
549 return any_set_op(u, set, &FN(PW,gist_params));
552 S(UNION,match_domain_data) {
555 __isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*);
558 static int set_has_dim(const void *entry, const void *val)
560 isl_set *set = (isl_set *)entry;
561 isl_space *dim = (isl_space *)val;
563 return isl_space_is_equal(set->dim, dim);
566 /* Find the set in data->uset that live in the same space as the domain
567 * of *entry, apply data->fn to *entry and this set (if any), and add
568 * the result to data->res.
570 static int match_domain_entry(void **entry, void *user)
572 S(UNION,match_domain_data) *data = user;
574 struct isl_hash_table_entry *entry2;
578 space = FN(PW,get_domain_space)(pw);
579 hash = isl_space_get_hash(space);
580 entry2 = isl_hash_table_find(data->uset->dim->ctx, &data->uset->table,
581 hash, &set_has_dim, space, 0);
582 isl_space_free(space);
586 pw = FN(PW,copy)(pw);
587 pw = data->fn(pw, isl_set_copy(entry2->data));
589 if (DEFAULT_IS_ZERO) {
592 empty = FN(PW,IS_ZERO)(pw);
603 data->res = FN(FN(UNION,add),PARTS)(data->res, pw);
608 /* Apply fn to each pair of PW in u and set in uset such that
609 * the set lives in the same space as the domain of PW
610 * and collect the results.
612 static __isl_give UNION *match_domain_op(__isl_take UNION *u,
613 __isl_take isl_union_set *uset,
614 __isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*))
616 S(UNION,match_domain_data) data = { NULL, NULL, fn };
618 u = FN(UNION,align_params)(u, isl_union_set_get_space(uset));
619 uset = isl_union_set_align_params(uset, FN(UNION,get_space)(u));
626 data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->type, u->table.n);
628 data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->table.n);
630 if (isl_hash_table_foreach(u->dim->ctx, &u->table,
631 &match_domain_entry, &data) < 0)
635 isl_union_set_free(uset);
639 isl_union_set_free(uset);
640 FN(UNION,free)(data.res);
644 /* Intersect the domain of "u" with "uset".
645 * If "uset" is a parameters domain, then intersect the parameter
646 * domain of "u" with this set.
648 __isl_give UNION *FN(UNION,intersect_domain)(__isl_take UNION *u,
649 __isl_take isl_union_set *uset)
651 if (isl_union_set_is_params(uset))
652 return FN(UNION,intersect_params)(u,
653 isl_set_from_union_set(uset));
654 return match_domain_op(u, uset, &FN(PW,intersect_domain));
657 __isl_give UNION *FN(UNION,gist)(__isl_take UNION *u,
658 __isl_take isl_union_set *uset)
660 if (isl_union_set_is_params(uset))
661 return FN(UNION,gist_params)(u, isl_set_from_union_set(uset));
662 return match_domain_op(u, uset, &FN(PW,gist));
666 __isl_give isl_qpolynomial *FN(UNION,eval)(__isl_take UNION *u,
667 __isl_take isl_point *pnt)
670 struct isl_hash_table_entry *entry;
677 space = isl_space_copy(pnt->dim);
678 space = isl_space_from_domain(space);
679 space = isl_space_add_dims(space, isl_dim_out, 1);
682 hash = isl_space_get_hash(space);
683 entry = isl_hash_table_find(u->dim->ctx, &u->table,
684 hash, &has_dim, space, 0);
685 isl_space_free(space);
687 qp = isl_qpolynomial_zero_on_domain(isl_space_copy(pnt->dim));
690 qp = FN(PART,eval)(FN(PART,copy)(entry->data), pnt);
701 static int coalesce_entry(void **entry, void *user)
703 PW **pw = (PW **)entry;
705 *pw = FN(PW,coalesce)(*pw);
712 __isl_give UNION *FN(UNION,coalesce)(__isl_take UNION *u)
717 if (isl_hash_table_foreach(u->dim->ctx, &u->table,
718 &coalesce_entry, NULL) < 0)
727 static int domain(__isl_take PART *part, void *user)
729 isl_union_set **uset = (isl_union_set **)user;
731 *uset = isl_union_set_add_set(*uset, FN(PART,domain)(part));
736 __isl_give isl_union_set *FN(UNION,domain)(__isl_take UNION *u)
740 uset = isl_union_set_empty(FN(UNION,get_space)(u));
741 if (FN(FN(UNION,foreach),PARTS)(u, &domain, &uset) < 0)
748 isl_union_set_free(uset);
753 static int mul_isl_int(void **entry, void *user)
755 PW **pw = (PW **)entry;
758 *pw = FN(PW,mul_isl_int)(*pw, *v);
765 __isl_give UNION *FN(UNION,mul_isl_int)(__isl_take UNION *u, isl_int v)
767 if (isl_int_is_one(v))
770 if (DEFAULT_IS_ZERO && u && isl_int_is_zero(v)) {
772 isl_space *dim = FN(UNION,get_space)(u);
774 zero = FN(UNION,ZERO)(dim, u->type);
776 zero = FN(UNION,ZERO)(dim);
782 u = FN(UNION,cow)(u);
787 if (isl_int_is_neg(v))
788 u->type = isl_fold_type_negate(u->type);
790 if (isl_hash_table_foreach(u->dim->ctx, &u->table, &mul_isl_int, v) < 0)
799 S(UNION,plain_is_equal_data)
805 static int plain_is_equal_entry(void **entry, void *user)
807 S(UNION,plain_is_equal_data) *data = user;
809 struct isl_hash_table_entry *entry2;
812 hash = isl_space_get_hash(pw->dim);
813 entry2 = isl_hash_table_find(data->u2->dim->ctx, &data->u2->table,
814 hash, &has_dim, pw->dim, 0);
820 data->is_equal = FN(PW,plain_is_equal)(pw, entry2->data);
821 if (data->is_equal < 0 || !data->is_equal)
827 int FN(UNION,plain_is_equal)(__isl_keep UNION *u1, __isl_keep UNION *u2)
829 S(UNION,plain_is_equal_data) data = { NULL, 1 };
835 if (u1->table.n != u2->table.n)
838 u1 = FN(UNION,copy)(u1);
839 u2 = FN(UNION,copy)(u2);
840 u1 = FN(UNION,align_params)(u1, FN(UNION,get_space)(u2));
841 u2 = FN(UNION,align_params)(u2, FN(UNION,get_space)(u1));
846 if (isl_hash_table_foreach(u1->dim->ctx, &u1->table,
847 &plain_is_equal_entry, &data) < 0 &&
854 return data.is_equal;