llvm/polly/lib/External/isl/isl_multi_intersect.c

/*
 * Copyright 2011      Sven Verdoolaege
 * Copyright 2012-2013 Ecole Normale Superieure
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege,
 * Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France
 */

#include <isl_multi_macro.h>

/* Does the space of "domain" correspond to that of the domain of "multi"?
 * The parameters do not need to be aligned.
 */
static isl_bool FN(MULTI(BASE),compatible_domain)(
	__isl_keep MULTI(BASE) *multi, __isl_keep DOM *domain)
{ … }

/* Check that the space of "domain" corresponds to
 * that of the domain of "multi", ignoring parameters.
 */
static isl_stat FN(MULTI(BASE),check_compatible_domain)(
	__isl_keep MULTI(BASE) *multi, __isl_keep DOM *domain)
{ … }

/* Intersect the explicit domain of "multi" with "domain".
 *
 * The parameters of "multi" and "domain" are assumed to have been aligned.
 *
 * In the case of an isl_multi_union_pw_aff object, the explicit domain
 * is allowed to have only constraints on the parameters, while
 * "domain" contains actual domain elements.  In this case,
 * "domain" is intersected with those parameter constraints and
 * then used as the explicit domain of "multi".
 */
static __isl_give MULTI(BASE) *FN(MULTI(BASE),domain_intersect_aligned)(
	__isl_take MULTI(BASE) *multi, __isl_take DOM *domain)
{ … }

/* Intersect the explicit domain of "multi" with "domain".
 * First align the parameters, if needed.
 */
static __isl_give MULTI(BASE) *FN(MULTI(BASE),domain_intersect)(
	__isl_take MULTI(BASE) *multi, __isl_take DOM *domain)
{ … }

/* Intersect the domain of "multi" with "domain".
 *
 * If "multi" has an explicit domain, then only this domain
 * needs to be intersected.
 */
__isl_give MULTI(BASE) *FN(MULTI(BASE),intersect_domain)(
	__isl_take MULTI(BASE) *multi, __isl_take DOM *domain)
{ … }

/* Intersect the parameter domain of the explicit domain of "multi"
 * with "domain".
 */
static __isl_give MULTI(BASE) *FN(MULTI(BASE),domain_intersect_params_aligned)(
	__isl_take MULTI(BASE) *multi, __isl_take isl_set *domain)
{ … }

/* Intersect the parameter domain of the explicit domain of "multi"
 * with "domain".
 * First align the parameters, if needed.
 */
static __isl_give MULTI(BASE) *FN(MULTI(BASE),domain_intersect_params)(
	__isl_take MULTI(BASE) *multi, __isl_take isl_set *domain)
{ … }

/* Intersect the parameter domain of "multi" with "domain".
 *
 * If "multi" has an explicit domain, then only this domain
 * needs to be intersected.
 */
__isl_give MULTI(BASE) *FN(MULTI(BASE),intersect_params)(
	__isl_take MULTI(BASE) *multi, __isl_take isl_set *domain)
{ … }