[llvm] Reland: Port Swift's merge function pass to llvm: merging functions that differ in constants (PR #71584)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

Just some quick drive-by comments, it's unlikely that I will be able to review in detail anytime soon.

https://github.com/llvm/llvm-project/pull/71584