\brief Create an INT_ADD PcodeOp calculating an offset to the \e spacebase register. The \e spacebase register is looked up for the given address space, or an optional previously existing register Varnode can be provided. An insertion point op must be provided, and newly generated ops can come either before or after this insertion point. \param spc is the given address space \param off is the off
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected