[llvm] [AMDGPU][True16][CodeGen] Update and/or/xor codegen pattern for i16 (PR #121835)

[Joe Nash via llvm-commits]

https://github.com/Sisyph commented:

Are there any tests for the xor and or patterns that could be exposed by a true16 test runline?

https://github.com/llvm/llvm-project/pull/121835