[llvm] [llvm-dwarfdump][LineCov 3/3] Add IR analysis for variable coverage (PR #195342)

[Stephen Tozer via llvm-commits]

SLTozer wrote:

Will merge this patch soon (if nobody else does it first), when I'm next free to monitor the buildbots in case a revert is needed.

https://github.com/llvm/llvm-project/pull/195342