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tribuf: added techmap/tribuf.ys tests.

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Muxianesty 2026-03-01 00:41:01 +03:00
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read_verilog << EOT
module tribuf_nested_simple(input [3:0] in1, input [3:0] in2, input [3:0] in3, input sel1, input sel2, input sel3, output [3:0] out1);
assign out1 = (sel1) ? in1 : ((sel2) ? in2 : 4'bzzzz);
assign out1 = (sel3) ? in3 : 4'bzzzz;
endmodule
EOT
opt_clean
tribuf -merge -nested
# -assert ensures that we won't have
# multiple drivers (as the first mux is recognized correctly).
check -assert