public boolean shouldSwap(final LocalExpr expr) {

		final UseInformation UI = (UseInformation) useInfoMap.get(expr);

		if (UI == null) {
			if (StackOptimizer.DEBUG) {
				System.err
						.println("Error in StackOptimizer.onStack: parameter not found in useInfoMap");
			}
			return false;
		}

		return (onStack(expr) && (UI.type == 1));
	}