[llvm] [LoopVectorizer] Add support for partial reductions (PR #92418)

[Sam Tebbs via llvm-commits]

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@@ -293,6 +293,19 @@ struct FixedScalableVFPair {
   bool hasVector() const { return FixedVF.isVector() || ScalableVF.isVector(); }
 };
 
+struct PartialReductionChain {
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SamTebbs33 wrote:

Done.

https://github.com/llvm/llvm-project/pull/92418