[llvm-branch-commits] [llvm] release/22.x: [Hexagon] Fix AP register use-before-def and add MIR serialization for liveness tracking (#191010) (PR #192036)

[Cullen Rhodes via llvm-branch-commits]

c-rhodes wrote:

this feels like it goes beyond critical bug fixes to be honest, are you confident this has had enough testing?

https://github.com/llvm/llvm-project/pull/192036