pytorch

18d24bb5 - [NNC] Add Softplus operator (#64589)

[NNC] Add Softplus operator (#64589) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/64589 Adding softplus operator lowering for NNC. Enabling element wise fusion as well. Test Plan: Added a test in test_jit_fuser.py Reviewed By: bertmaher Differential Revision: D30736449 fbshipit-source-id: 6c5fc3bceb5cef2322ecd4449f827e4af018ea93