Add JIT pass to insert permutes for conv ops (#30679)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30679
Caffe2 expects quantized ops to be in NHWC format while pytorch inputs are in NCHW.
Add a jit pass to insert permutes to convert from nchw2nhwc before each conv op and add nhwc2nchw permute after the conv op.
Using graph rewriter to find consecutive redundant permutes and remove them from the graph
Test Plan:
python test/onnx/test_pytorch_onnx_caffe2_quantized.py TestQuantizedOps
Imported from OSS
Differential Revision: D18790518
fbshipit-source-id: 4dd39cf0b31b21f5586c0edfdce2260d4e245112
