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

[Florian Hahn via llvm-commits]

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@@ -394,6 +395,8 @@ Value *getShuffleReduction(IRBuilderBase &Builder, Value *Src, unsigned Op,
 /// Fast-math-flags are propagated using the IRBuilder's setting.
 Value *createSimpleTargetReduction(IRBuilderBase &B, Value *Src,
                                    RecurKind RdxKind);
+Value *createSimpleTargetReduction(VectorBuilder &VB, Value *Src,
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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