yosys/tests/arch/machxo2/logic.ys

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read_verilog ../common/logic.v
hierarchy -top top
proc
equiv_opt -assert -map +/lattice/cells_sim_xo2.v synth_lattice -family xo2 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module
select -assert-count 9 t:LUT4
select -assert-none t:LUT4 t:TRELLIS_IO %% t:* %D