We will see. If he wants to be on form for the Olimpics he should ride Le Tour.
He's said multiple times this year is his last Tour. He's also said several times he's likely not going to the Olympics next year either. He's said unless his form is a lot better next year he won't go to the Olympics and from a few comments he's made since the restart of the season it sounds like he's all but decided he isn't going to the Olympics next year.