Boy From "The Road" To Play Young Superman?

Kodi Smit-McPhee who played Boy in "The Road" is rumored to be playing the younger verison of Clark Kent/Superman.
It's been said that if Matt Reeves (Cloverfield and Let Me In) gets the job of director for the new film, then the kid willl get the role. McPhee stars in Reeve's American-version of "Let The Right One In".