[nnc] LLVMCodeGen for any target (#58713)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/58713
Test Plan: Imported from OSS
Reviewed By: navahgar
Differential Revision: D28585722
Pulled By: bertmaher
fbshipit-source-id: 82885b9780dc1a8610660a90969d8d2baad97920
