CDI_POST_DOMINATORS are not used in Graphite.

2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (graphite_verify): Remove call to
	verify_dominators for CDI_POST_DOMINATORS.
	* sese.h: Remove comment about CDI_POST_DOMINATORS.
	(recompute_all_dominators): Remove call to free_dominance_info
	for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
	for CDI_POST_DOMINATORS.

From-SVN: r164807

gcc/ChangeLog

 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-clast-to-gimple.c (graphite_verify): Remove call to
+	verify_dominators for CDI_POST_DOMINATORS.
+	* sese.h: Remove comment about CDI_POST_DOMINATORS.
+	(recompute_all_dominators): Remove call to free_dominance_info
+	for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
+	for CDI_POST_DOMINATORS.
+
+2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 	over pbb_dim_iter_domain.
 

gcc/ChangeLog.graphite

+2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-clast-to-gimple.c (graphite_verify): Remove call to
+	verify_dominators for CDI_POST_DOMINATORS.
+	* sese.h: Remove comment about CDI_POST_DOMINATORS.
+	(recompute_all_dominators): Remove call to free_dominance_info
+	for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
+	for CDI_POST_DOMINATORS.
+
 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate

gcc/graphite-clast-to-gimple.c

@@ -67,7 +67,6 @@ graphite_verify (void)
 #ifdef ENABLE_CHECKING
   verify_loop_structure ();
   verify_dominators (CDI_DOMINATORS);
-  verify_dominators (CDI_POST_DOMINATORS);
   verify_loop_closed_ssa (true);
 #endif
 }

gcc/sese.h

@@ -94,10 +94,6 @@ bb_in_region (basic_block bb, basic_block entry, basic_block exit)
        predecessors of EXIT are dominated by ENTRY.  */
     FOR_EACH_EDGE (e, ei, exit->preds)
       dominated_by_p (CDI_DOMINATORS, e->src, entry);
-
-    /* Check that there are no edges going out of the region: the
-       entry is post-dominated by the exit.  FIXME: This cannot be
-       checked right now as the CDI_POST_DOMINATORS are needed.  */
   }
 #endif
 
@@ -310,9 +306,7 @@ recompute_all_dominators (void)
 {
   mark_irreducible_loops ();
   free_dominance_info (CDI_DOMINATORS);
-  free_dominance_info (CDI_POST_DOMINATORS);
   calculate_dominance_info (CDI_DOMINATORS);
-  calculate_dominance_info (CDI_POST_DOMINATORS);
 }
 
 typedef struct gimple_bb