Jan Hubička worked on much of the devirtualization in GCC and posted a blog about how it works here: http://hubicka.blogspot.com/2014/01/devirtualization-in-c-

Jan Hubička worked on much of the devirtualization in GCC and posted a blog about how it works here: http://hubicka.blogspot.com/2014/01/devirtualization-in-c-part-1.html http://hubicka.blogspot.com/2014/01/devirtualization-in-c-pa...