[llvm-branch-commits] [llvm] [IR2Vec][llvm-ir2vec] Add support for reading from stdin (PR #149213)

[Aiden Grossman via llvm-branch-commits]

https://github.com/boomanaiden154 approved this pull request.

Nits at this point, otherwise LGTM.

https://github.com/llvm/llvm-project/pull/149213