Support to add dequant for each use of Value (#30145)
Summary:
In this PR, we mainly handle the case there are multiple usage of a Value when inserting the quant-dequant pair. This change will add one dequant for each usage of the Value.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30145
Differential Revision: D18671600
Pulled By: lly-zero-one
fbshipit-source-id: 61324a98861da85b80dcf7e930381311118ae53b
