yosys/tests/simple/wandwor.v

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module wandwor_test0 (A, B, C, D, X, Y, Z);
input A, B, C, D;
output wor X;
output wand Y;
output Z;
assign X = A, X = B, Y = C, Y = D;
foo foo_0 (C, D, X);
foo foo_1 (A, B, Y);
foo foo_2 (X, Y, Z);
endmodule
module wandwor_test1 (A, B, C, D, X, Y, Z);
input [3:0] A, B, C, D;
output wor [3:0] X;
output wand [3:0] Y;
output Z;
bar bar_inst (
.I0({A, B}),
.I1({B, A}),
.O({X, Y})
);
assign X = C, X = D;
assign Y = C, Y = D;
assign Z = ^{X,Y};
endmodule
module foo(input I0, I1, output O);
assign O = I0 ^ I1;
endmodule
module bar(input [7:0] I0, I1, output [7:0] O);
assign O = I0 + I1;
endmodule