graphite-dependences.c (graphite_carried_dependence_level_k): Do not delete the…

graphite-dependences.c (graphite_carried_dependence_level_k): Do not delete the original dependence relation.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (graphite_carried_dependence_level_k): Do
	not delete the original dependence relation.

From-SVN: r151182

gcc/ChangeLog

 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-dependences.c (graphite_carried_dependence_level_k): Do
+	not delete the original dependence relation.
+
+2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 	(eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 	(hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.

gcc/ChangeLog.graphite

+2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-dependences.c (graphite_carried_dependence_level_k): Do
+	not delete the original dependence relation.
+
+2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-dependences.c (graphite_legal_transform_bb): Avoid
+	the computation of symmetric data dependence relations.
+	(dependency_between_pbbs_p): Same.
+
 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.

gcc/graphite-dependences.c

@@ -576,7 +576,7 @@ graphite_legal_transform_bb (poly_bb_p pbb1, poly_bb_p pbb2)
   for (i = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), i, pdr1); i++)
     for (j = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), j, pdr2); j++)
       if (!graphite_legal_transform_dr (pbb1, pbb2, pdr1, pdr2))
-        return false;
+	return false;
 
   return true;
 }
@@ -698,13 +698,9 @@ graphite_carried_dependence_level_k (poly_dr_p pdr1, poly_dr_p pdr2,
 				true, false);
 
   if (pddr_is_empty (pddr))
-    {
-      ppl_delete_Pointset_Powerset_C_Polyhedron (po);
-      return false;
-    }
+    return false;
 
   po = PDDR_DDP (pddr);
-
   ppl_Pointset_Powerset_C_Polyhedron_space_dimension (po, &dim);
   eqpp = build_pairwise_scheduling_inequality (dim, level, tdim1 + ddim1, 1);