[llvm] Adding Matching and Inference Functionality to Propeller (PR #160706)

[Rahman Lavaee via llvm-commits]

rlavaee wrote:

> > This needs to be split into at least two PRs, with the first one enabling the decoding (changes in ELF.cpp, etc.), at the second one enabling the encoding (changes in the Codgen). Please also add a new version number for this (where the feature is only supported for this version and up) like the other features: https://github.com/llvm/llvm-project/blob/main/llvm/lib/Object/ELF.cpp#L850-854.
> 
> Thanks. We have split the original PR into two separate ones. The current PR only contains modifications related to ELF and basic block hash calculation. Additionally, we have updated the version number of SHT_LLVM_BB_ADDR_MAP.

This is still pending. All the code related to emitting the BB hash as part of codegen must be split into a separate PR.

https://github.com/llvm/llvm-project/pull/160706