[llvm] [AMDGPU] SelectionDAG divergence tracking should take into account Target divergency. (PR #144947)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

This breaks building some AArch64 related files. I've reverted it for now in bfd457588af9a7fa0aca14f14275d169c55e6277 to get things back to green, as a number of post-commit bots are failing. (pre-commit tests also seem to have failed with the build error)

https://github.com/llvm/llvm-project/pull/144947