yosys/tests/opt/opt_lut_port.il

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module $1
wire width 4 input 2 \_0_
wire output 4 \_1_
wire input 3 \_2_
wire output 1 \o
cell $lut \_3_
parameter \LUT 16'0011000000000011
parameter \WIDTH 4
connect \A { \_0_ [3] \o 2'00 }
connect \Y \_1_
end
cell $lut \_4_
parameter \LUT 4'0001
parameter \WIDTH 4
connect \A { 3'000 \_2_ }
connect \Y \o
end
end