Clint Eastwood -- Caitlyn Jenner Joke Censored

Clint Eastwood took a shot at Caitlyn Jenner during a Hollywood award show ... and TV execs think he crossed the line, because it's never going to make air.

Clint was at Spike TV's Guys' Choice Awards on Saturday to introduce Dwayne "The Rock" Johnson. He mentioned that Johnson is an athlete who has jumped to acting, much like "Jim Brown and Caitlyn Somebody."

It's unclear if he got any laughs, but Spike execs aren't laughing. A rep told USA Today, Clint's "joke" will be cut when the show airs later this month.

So, we gotta ask ...