[llvm] Add support for fixed-point types (PR #129596)

[Paul T Robinson via llvm-commits]

pogo59 wrote:

Looks like the !DIxxxx are listed in llvm/docs/LangRef.rst (you can see the rendered version at https://llvm.org/docs/LangRef.html#metadata). I thought there was a separate debug-info doc but this is where the metadata descriptions live.

https://github.com/llvm/llvm-project/pull/129596