JIT pass to insert XNNPACK ops (#34048)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34048
Rewrites the graph to insert xnnpack prepack and packed run ops for
conv2d and linear.
Test Plan:
python test/test_xnnpack_integration.py
Imported from OSS
Differential Revision: D20185658
fbshipit-source-id: c4c073c912ad33e822e7beb4ed86c9f895129d55
