pytorch

7c24de8d - Extract ShapeInfo and some util functions into a separate file. (#17025)

Extract ShapeInfo and some util functions into a separate file. (#17025) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/17025 Extract ShapeInfo and some util functions into a separate file. Reviewed By: yinghai Differential Revision: D14017432 fbshipit-source-id: 201db46bce6d52d9355a1a86925aa6206d0336bf