[llvm] [KernelInfo] Implement new LLVM IR pass for GPU code analysis (PR #102944)

[Thorsten Schütt via llvm-commits]

tschuett wrote:

Short-term you could add an Offload.rst and link everything from there. Long-term you may ask for offload.llvm.org.

https://github.com/llvm/llvm-project/pull/102944