[llvm] [VPlan] Introduce ComputeReductionResult VPInstruction opcode. (PR #70253)

[via llvm-commits]

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@@ -341,16 +341,20 @@ class LoopVectorizationPlanner {
   /// Return the best VPlan for \p VF.
   VPlan &getBestPlanFor(ElementCount VF) const;
 
-  /// Generate the IR code for the body of the vectorized loop according to the
-  /// best selected \p VF, \p UF and VPlan \p BestPlan.
+  /// Generate the IR code for the vectorized loop captured in VPlan \p BestPlan
+  /// according to the best selected \p VF and  \p UF
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ayalz wrote:

```suggestion
  /// according to the best selected \p VF and  \p UF.
```

https://github.com/llvm/llvm-project/pull/70253