pytorch

190dac13 - Use universal references and perfect forwarding in Loops.h. (#30466)

Use universal references and perfect forwarding in Loops.h. (#30466) Summary: This simplifies the generated code a bit, saving about 40K off of libtorch. Pull Request resolved: https://github.com/pytorch/pytorch/pull/30466 Differential Revision: D18836215 Pulled By: resistor fbshipit-source-id: ad75c9e04783bb29cc06afd2022f73f9625dd52b