Pass IValue from c10 dispatcher to caffe2 operator (#16065)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16065
Before, we registered the caffe2 kernel with the c10 dispatcher using plain C types.
Now, we pass in IValues, which avoids the unwrapping inbetween.
Reviewed By: ezyang
Differential Revision: D13689036
fbshipit-source-id: b976a2c46a5a541f6a926b3df255e8a535e32420
