[llvm] [RemoveDIs] Print non-intrinsic debug info in textual IR output (PR #79281)

[David Blaikie via llvm-commits]

https://github.com/dwblaikie commented:

Generally looks pretty good to me with a few minor things.

(because I haven't been keeping up with this work, what does the `P` in `DP` stand for?)

https://github.com/llvm/llvm-project/pull/79281