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

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 commented:

Should have thought of this during the review: You might want to add a test somewhere that checks this actually works.

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