run optimizations on pre-profiled graph (#31392)
Summary:
This is the first stab at running profile-insensitive optimizations on pre-profiled graphs. Running those optimizations has a potential to simplify graphs greatly before GuardElimination and GuardElimination should be able to remove more guards.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/31392
Differential Revision: D19173639
Pulled By: Krovatkin
fbshipit-source-id: 2485a2a598c10f9b5445efb30b16439ad4551b3f
