Tensor reinitialization codemod - 2/5 (#15947)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/15947
Codemod generated with clangr shard mode, 25 files per diff,
To eliminiate partially initialized Tensor, we split the initialization of local Tensor variables into two steps, first declare un uninitialized Tensor, and
call `ReinitializeTensor` to initialize it.
motivation: https://github.com/pytorch/pytorch/pull/12407
Reviewed By: smessmer
Differential Revision: D13586732
fbshipit-source-id: 5295ab27ca0155f96a4fccf9c0ba8a609101ba24
