[llvm] [LV] Make partial-reduction naming consistent (NFC) (PR #222377)

[Florian Hahn via llvm-commits]

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@@ -5510,14 +5509,14 @@ void VPlanTransforms::createPartialReductions(VPlan &Plan,
   // Find all possible valid partial reductions, grouping chains by their PHI.
   // This grouping allows invalidating the whole chain, if any link is not a
   // valid partial reduction.
-  MapVector<VPReductionPHIRecipe *, SmallVector<VPPartialReductionChain>>
+  MapVector<VPReductionPHIRecipe *, SmallVector<VPPartialReduction>>
       ChainsByPhi;
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fhahn wrote:

nit
```suggestion
      ChainsToPhi;
```

https://github.com/llvm/llvm-project/pull/222377