[llvm] Adding Matching and Inference Functionality to Propeller-PR3: Read basic block hashes from propeller profile. (PR #164223)

[via llvm-commits]

wdx727 wrote:

> Let me know if/when you want me to merge this upstream.

Thank you. I need you to help merge this PR.

https://github.com/llvm/llvm-project/pull/164223