Code-style fixes. (#16342)
Summary:
Some cleanups in ir.{h,cpp}. I plan to continue cleaning it up, so this is a first step.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16342
Differential Revision: D13808897
Pulled By: ZolotukhinM
fbshipit-source-id: 2dedb414576c3efbf8e36434145d7f14a66b1ee7
Author
Mikhail Zolotukhin
