From: Sebastian Pop <sebastian.pop@amd.com>
Date: Fri, 28 Aug 2009 20:30:09 +0000 (+0000)
Subject: graphite-dependences.c (graphite_carried_dependence_level_k): Do not delete the origi... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f8e0bb8b3732047d6532f8c09be6bc6c7d506d1b;p=gcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 09a8259678c..9e717e05ed5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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.
diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index f67bb3507ba..a2620d35e68 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,3 +1,14 @@
+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.
diff --git a/gcc/graphite-dependences.c b/gcc/graphite-dependences.c
index 5d7b50b7c51..585e072f69c 100644
--- a/gcc/graphite-dependences.c
+++ b/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);