[llvm] [llvm-debuginfo-analyzer] Add support for LLVM IR format. (PR #135440)

[Javier Lopez-Gomez via llvm-commits]

https://github.com/jalopezg-git commented:

Many thanks for this huge contribution, @CarlosAlbertoEnciso :+1:!

I went through all the PR except for `llvm/lib/DebugInfo/LogicalView/Readers/LVIRReader.cpp` (which I am going to visit in a second pass next week).

I have attached some comments that I have collected.

https://github.com/llvm/llvm-project/pull/135440