read_verilog ../top_mux.v hierarchy -top mux4 proc flatten equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx # equivalency check design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) cd mux4 #Vivado synthesizes 2 LUT. stat select -assert-count 2 t:LUT6 select -assert-none t:LUT6 %% t:* %D