pytorch

649fa8e5 - add log stmts to peephole.cpp

add log stmts to peephole.cpp Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/23279 Differential Revision: D16519245 Pulled By: Krovatkin fbshipit-source-id: 50c49d890c0acac8259b3c367d183a1aa7cf6859