[llvm] [AMDGPU] Support Wave Reduction for i16 types - 1 (PR #194808)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> It says so in the graphite comment. I'll look for another way to push into the merge queue.

But this makes no sense at all. This has nothing to do with FP bundles 

https://github.com/llvm/llvm-project/pull/194808