/// MatchWrapper - Try to match MSP430ISD::Wrapper node into an addressing mode.
/// These wrap things that will resolve down into a symbol reference.  If no
/// match is possible, this returns true, otherwise it returns false.
bool TriCoreDAGToDAGISel::MatchWrapper(SDValue N, TriCoreISelAddressMode &AM) {
	// If the addressing mode already has a symbol as the displacement, we can
	// never match another symbol.
	if (AM.hasSymbolicDisplacement()) {
		DEBUG(errs().changeColor(raw_ostream::YELLOW,1);
		errs() <<"hasSymbolicDisplacement\n";
		N.dump();
		errs().changeColor(raw_ostream::WHITE,0); );