[llvm] [DirectX][ShaderFlags] Add analysis for `WaveOps` flag (PR #118140)

[Finn Plummer via llvm-commits]

inbelic wrote:

As outlined [here](https://github.com/llvm/llvm-project/issues/126298), we will switch to an approach that avoids the use of `Property`

https://github.com/llvm/llvm-project/pull/118140