X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_aff.c;h=3acb3f5f1b67a27953daf476816027d5e39f0500;hb=f6e02c70c31cb6eb509507a6016ef596a94e79d1;hp=ae57b81033a88ed922ac39f01af8cdedd9b81267;hpb=1a9c7afa1e0ca242fb348575afbf8e493deffbfd;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_aff.c b/isl_aff.c
index ae57b81..3acb3f5 100644
--- a/isl_aff.c
+++ b/isl_aff.c
@@ -1214,6 +1214,11 @@ __isl_give isl_aff *isl_aff_scale(__isl_take isl_aff *aff, isl_int f)
 	if (!aff->v)
 		return isl_aff_free(aff);
 
+	if (isl_int_is_pos(f) && isl_int_is_divisible_by(aff->v->el[0], f)) {
+		isl_int_divexact(aff->v->el[0], aff->v->el[0], f);
+		return aff;
+	}
+
 	isl_int_init(gcd);
 	isl_int_gcd(gcd, aff->v->el[0], f);
 	isl_int_divexact(aff->v->el[0], aff->v->el[0], gcd);