Split rewrite_cross_bb_scalar_deps_out_of_ssa out from rewrite_reductions_out_of_ssa.

2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
	Split out of rewrite_reductions_out_of_ssa.
	* graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
	Declared.
	* graphite.c (graphite_transform_loops): Call it.

From-SVN: r163122

gcc/ChangeLog

 2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
+	Split out of rewrite_reductions_out_of_ssa.
+	* graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
+	Declared.
+	* graphite.c (graphite_transform_loops): Call it.
+
+2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 
 2010-08-02  Alexander Monakov  <amonakov@ispras.ru>

gcc/ChangeLog.graphite

 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
+	Split out of rewrite_reductions_out_of_ssa.
+	* graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
+	Declared.
+	* graphite.c (graphite_transform_loops): Call it.
+
+2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 
 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>

gcc/graphite-sese-to-poly.c

@@ -2425,6 +2425,17 @@ rewrite_reductions_out_of_ssa (scop_p scop)
 #ifdef ENABLE_CHECKING
   verify_loop_closed_ssa (true);
 #endif
+}
+
+
+/* Rewrite out of SSA all the reduction phi nodes of SCOP.  */
+
+void
+rewrite_cross_bb_scalar_deps_out_of_ssa (scop_p scop)
+{
+  basic_block bb;
+  gimple_stmt_iterator psi;
+  sese region = SCOP_REGION (scop);
 
   FOR_EACH_BB (bb)
     if (bb_in_sese_p (bb, region))

gcc/graphite-sese-to-poly.h

@@ -32,6 +32,7 @@ void build_poly_scop (scop_p);
 void check_poly_representation (scop_p);
 void rewrite_commutative_reductions_out_of_ssa (sese, sbitmap);
 void rewrite_reductions_out_of_ssa (scop_p);
+void rewrite_cross_bb_scalar_deps_out_of_ssa (scop_p);
 void build_scop_bbs (scop_p, sbitmap);
 
 #endif

gcc/graphite.c

@@ -280,6 +280,7 @@ graphite_transform_loops (void)
     if (dbg_cnt (graphite_scop))
       {
 	rewrite_reductions_out_of_ssa (scop);
+	rewrite_cross_bb_scalar_deps_out_of_ssa (scop);
 	build_scop_bbs (scop, reductions);
       }