public Address getLastSetLocation(Varnode rvar, BigInteger bval) {

		Address lastSetAddr = lastSet.get(rvar);
		if (lastSetAddr != null) {
			return lastSetAddr;
		}

		return lastSetAddr;
	}
return the location that this varnode was last set
This is a transient thing, so it should only be used as a particular flow is being processed...

@param rvar the register varnode
@param bval this parameter is unused.
@return address that the register was set.
Ghidra/Features/Base/src/main/java/ghidra/program/util/VarnodeContext.java