[llvm] [Transforms] Add DeadBranchElimination pass (PR #211176)

[Yoni Peleg via llvm-commits]

https://github.com/yonipeleg33 commented:

Also consider running some A/B testing by compiling some real world codebases with vs. without this feature, just to make sure nothing blows up.

For anyone else reading this review: I'm no LLVM expert, just trying to help a brother out by hopefully making this pr more appealing to the maintainers (we used to work together)

https://github.com/llvm/llvm-project/pull/211176