[clang] [llvm] [AMDGPU][clang][CodeGen][opt] Add late-resolved feature identifying predicates (PR #134016)

[Joseph Huber via llvm-commits]

https://github.com/jhuber6 commented:

This looks generally good to me, but I'll let the clang code owners make the final decision.

https://github.com/llvm/llvm-project/pull/134016