pytorch

b6161324 - Adding support for lowering 4Bit EmbeddingBag Operator (#5806)

Adding support for lowering 4Bit EmbeddingBag Operator (#5806) Summary: Pull Request resolved: https://github.com/pytorch/glow/pull/5806 Pull Request resolved: https://github.com/pytorch/pytorch/pull/64001 Add 4 bit embeddingbag operator in acc_ops. Test Plan: Let CI run. Reviewed By: jfix71 Differential Revision: D30532824 fbshipit-source-id: bf476c9710477792aae202dacf64e23539c33bd9