[llvm] [AMDGPU] SIWholeQuadMode: avoid execz effects in exact regions (PR #101157)

[via llvm-commits]

shanyizhang wrote:

Sorry for late response. I didn't know exactly what 19.x is. My request here is to have this fix in XGL as soon as possible. 

https://github.com/llvm/llvm-project/pull/101157