From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sun, 1 Mar 2009 22:16:04 +0000 (+0100)
Subject: isl_basic_map_eliminate_vars: clear divs first
X-Git-Tag: isl-0.01~257
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fd5ac025089b7b92de2ec25648ccc5727f76b2d3;p=platform%2Fupstream%2Fisl.git

isl_basic_map_eliminate_vars: clear divs first
---

diff --git a/isl_map_simplify.c b/isl_map_simplify.c
index ae58079..37ec30c 100644
--- a/isl_map_simplify.c
+++ b/isl_map_simplify.c
@@ -1072,12 +1072,13 @@ struct isl_basic_map *isl_basic_map_eliminate_vars(
 	for (d = pos + n - 1; d >= 0 && d >= pos; --d)
 		bmap = remove_dependent_vars(bmap, d);
 
+	for (d = pos + n - 1;
+	     d >= 0 && d >= total - bmap->n_div && d >= pos; --d)
+		isl_seq_clr(bmap->div[d-(total-bmap->n_div)], 2+total);
 	for (d = pos + n - 1; d >= 0 && d >= pos; --d) {
 		int n_lower, n_upper;
 		if (!bmap)
 			return NULL;
-		if (d >= total - bmap->n_div)
-			isl_seq_clr(bmap->div[d-(total-bmap->n_div)], 2+total);
 		for (i = 0; i < bmap->n_eq; ++i) {
 			if (isl_int_is_zero(bmap->eq[i][1+d]))
 				continue;