result = Collections.emptySet();
result = Collections.EMPTY_SET;
	@CheckForNull static public Set<Integer> getLoopExitBranches(MethodGen methodGen) {		XMethod xmethod = XFactory.createXMethod(methodGen);		if (cachedLoopExits.containsKey(xmethod)) {			return cachedLoopExits.get(xmethod);		}        Code code = methodGen.getMethod().getCode();        if (code == null)	        return null;        byte[] instructionList = code.getCode();        Set<Integer> result = new HashSet<Integer>();        for(int i = 0; i < instructionList.length; i++)        	if (checkForBranchExit(instructionList,i)) result.add(i);        if (result.size() == 0)        	result = Collections.emptySet();                cachedLoopExits.put(xmethod, result);        return result;}