yosys_pass(synth_sf2 synth_sf2.cc REQUIRES abc attrmap blackbox check clean clkbufmap deminout dfflegalize flatten hierarchy iopadmap memory_map opt opt_expr proc read_verilog simplemap stat synth techmap tribuf write_edif write_json write_verilog DATA_DIR sf2 DATA_FILES arith_map.v cells_map.v cells_sim.v )