pytorch

d5bfdd3d - OpInfo for `nn.functional.layer_norm` (#63276)

OpInfo for `nn.functional.layer_norm` (#63276) Summary: Please see https://github.com/facebookresearch/functorch/issues/78 and https://github.com/pytorch/pytorch/issues/54261. Note: * This PR also adds a reference test inspired by existing tests in `test_nn.py`. cc: mruberry zou3519 Pull Request resolved: https://github.com/pytorch/pytorch/pull/63276 Reviewed By: ejguan Differential Revision: D30452483 Pulled By: zou3519 fbshipit-source-id: 2578d01ca34e031668a41bd284db60c31ae1fba8