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

/*
 * Copyright 2010      INRIA Saclay
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
 * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
 * 91893 Orsay, France
 */

#include <isl_union_macro.h>

/* Evaluate "u" in the void point "pnt".
 * In particular, return the value NaN.
 */
static __isl_give isl_val *FN(UNION,eval_void)(__isl_take UNION *u,
	__isl_take isl_point *pnt)
{ … }

/* Internal data structure for isl_union_*_eval.
 *
 * "pnt" is the point in which the function is evaluated.
 * "v" stores the result and is initialized to zero.
 */
S(UNION,eval_data) { … };

/* Update the evaluation in data->v based on the evaluation of "part".
 *
 * Only (at most) a single part on which this function is called
 * is assumed to evaluate to anything other than zero.
 * Since the value is initialized to zero, the evaluation of "part"
 * can simply be added.
 */
static isl_stat FN(UNION,eval_entry)(__isl_take PART *part, void *user)
{ … }

/* Evaluate "u" in the point "pnt".
 */
__isl_give isl_val *FN(UNION,eval)(__isl_take UNION *u,
	__isl_take isl_point *pnt)
{ … }