+/**
+ * Transform helper for blocks.
+ */
+static ir_node *gen_Block(ir_node *node)
+{
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *macroblock = get_Block_MacroBlock(node);
+ ir_node *block;
+
+ block = new_ir_node(dbgi, irg, NULL, get_irn_op(node), get_irn_mode(node),
+ get_irn_arity(node), get_irn_in(node) + 1);
+ copy_node_attr(node, block);
+ block->node_nr = node->node_nr;
+
+ if (node == macroblock) {
+ /* this node is a macroblock header */
+ set_Block_MacroBlock(block, block);
+ } else {
+ macroblock = be_transform_node(macroblock);
+ set_Block_MacroBlock(block, macroblock);
+ }
+
+ /* put the preds in the worklist */
+ be_enqueue_preds(node);
+
+ return block;
+}
+
+static ir_node *gen_End(ir_node *node)
+{
+ /* end has to be duplicated manually because we need a dynamic in array */
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ int i, arity;
+ ir_node *new_end;
+
+ new_end = new_ir_node(dbgi, irg, block, op_End, mode_X, -1, NULL);
+ copy_node_attr(node, new_end);
+ be_duplicate_deps(node, new_end);
+
+ set_irg_end(irg, new_end);
+
+ /* transform preds */
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ ir_node *new_in = be_transform_node(in);
+
+ add_End_keepalive(new_end, new_in);
+ }
+
+ return new_end;
+}
+
+void be_transform_graph(be_irg_t *birg, arch_pretrans_nodes *func)