[llvm] [AMDGPU] SIWholeQuadMode: Ensure earliest WQM entry point for PS (PR #123266)

[David Stuttard via llvm-commits]

dstutt wrote:

> I wasn't sure - but was the original intent that shader should enter WQM as soon as possible - but there was a problem in the implementation (that this fixes)?

Answering my own question: yes, according to the description at the top.

https://github.com/llvm/llvm-project/pull/123266