-#if 0
- DB((dbg, LEVEL_1, "Welding block %+F and %+F\n", block, mux_block));
- /* copy the block-info from the Mux-block to the block before merging */
-
- mark = get_Block_mark(mux_block) | get_Block_mark(block);
- set_Block_mark(block, mark);
- set_Block_phis(block, get_Block_phis(mux_block));
-
- set_irn_in(block, get_irn_arity(mux_block), get_irn_in(mux_block) + 1);
- exchange_cdep(mux_block, block);
- exchange(mux_block, block);
-#else