public void visitLocalExpr(final LocalExpr expr) {

		if ((expr.index() == start.index()) && (expr.def() == start.def())) {
			// we've found a match
			// update information
			((UseInformation) useInfoMap.get(start)).type = 1;
			final UseInformation ui = (UseInformation) useInfoMap.get(expr);
			ui.type1s++;
			if (exchangeFactor == 1) {
				ui.type1_x1s++;
			}
			if (exchangeFactor == 2) {
				ui.type1_x2s++;
			}
			// System.err.println(expr.toString());
			((DefInformation) defInfoMap.get(expr.def())).type1s++;
			found = true;
		}
	}