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

[Rahman Lavaee via llvm-commits]

rlavaee wrote:

FYI, I simplified the test here to satisfy the buildbots: #4afb0e6f51768ff8560a8cb5d0de5bb7867ff6a5
We can revisit the issue in later PRs when the hash is actually checked.

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