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

[via llvm-commits]

alex-t wrote:

> Do you also need any changes in `SelectionDAG::createOperands`?

Yes, I need but not only this :) Fixed several bugs.

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