CANNES, France (Reuters) – Tom Cruise rolled into the Cannes Film Festival on Wednesday, greeted with whoops and hollers from a crowd gathered to get a glimpse of the American star, who is attending the event in southern France for the first time in three decades. “Tom! Tom!” shouted fans who stood outside the palm-lined festival venue as the actor stepped out of a car, wearing a trim blue suit and sunglasses. Some had been camping out since breakfast, with stools and stepladders. “I was like, ‘I must see him, absolutely, one way or another!'” said Oriane Holz, 22. She held up a sign asking fo…