Mon Jun 11 10:42:13 EDT 2018
It seems possible to have intermediate nodes that are not signals.
E.g. these two constructs are seen in the wild:
a = Signal(intbv(...))
a = intbv(...)
I think I need the naked ones in my code generator to implement
intermediate combinatorial nodes that have fanout.
EDIT: After reading the manual, it appears that the intbv object is a
value, while the Signal behaves more like a cell (+ synchronization).