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

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 09a8259678cf192625fe14d8eb8a061e6f20a90b..9e717e05ed561c7d2977fbdf781717e1b36c0f59 100644 (file)
--- 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 f67bb3507ba9450309a4dfe65c4cc995569a8fe1..a2620d35e68f66b4d95ff4faf888120693d88346 100644 (file)
--- 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 5d7b50b7c510c8ef242b1917f8e829247a831681..585e072f69cc266023fcf53e29294e844b56762c 100644 (file)
--- 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);