[llvm] [AMDGPU] Eliminate likely-spurious execz checks via intrinsic argument (PR #123749)

[Fabian Ritter via llvm-commits]

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@@ -385,6 +418,62 @@ bool SIAnnotateControlFlow::run() {
   return Changed;
 }
 
+bool LikelyVaryingHeuristic::isRelevantSourceOfDivergence(
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ritter-x2a wrote:

8dd9600d1eff17432bb8f286bd17ab0d4c69fb11 also renamed:
`isRelevantSourceOfDivergence` -> `isWorkitemID`

https://github.com/llvm/llvm-project/pull/123749