[llvm] [LV][EVL] Support reduction idioms using tail folding with EVL. (PR #90184)

[Florian Hahn via llvm-commits]

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@@ -414,6 +417,9 @@ Value *createTargetReduction(IRBuilderBase &B, const RecurrenceDescriptor &Desc,
 Value *createOrderedReduction(IRBuilderBase &B,
                               const RecurrenceDescriptor &Desc, Value *Src,
                               Value *Start);
+Value *createOrderedReduction(VectorBuilder &VB,
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fhahn wrote:

nit: might be good to highlight that this version is used to create vector-predication intrinsics?

https://github.com/llvm/llvm-project/pull/90184