[TensorExpr] Add `Placeholder::handle` method to get the corresponding `BufHandle`. (#52793)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52793
Fixes #52776.
Test Plan: Imported from OSS
Reviewed By: bertmaher
Differential Revision: D26650481
Pulled By: ZolotukhinM
fbshipit-source-id: 54461137b857d3ac5d475cfa3d3ba07432c9bf59
Author
Mikhail Zolotukhin
