[quant][graphmode] Replicate quantize node for prim::If (#34804)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34804
We want to replicate the quantize node for return values in blocks of prim::If
in order to create the quantization patterns.
Test Plan:
python test/test_jit.py
Imported from OSS
Differential Revision: D20524453
fbshipit-source-id: 2268ac555f646158f4e1ffc98ccc8101d7504194
