[llvm] [VPlan] Unroll VPReplicateRecipe by VF. (PR #142433)

[via llvm-commits]

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@@ -99,6 +99,11 @@ struct VPlanTransforms {
   /// Explicitly unroll \p Plan by \p UF.
   static void unrollByUF(VPlan &Plan, unsigned UF, LLVMContext &Ctx);
 
+  /// Replace replicating VPReplicateRecipes outside replicate regions in \p
+  /// Plan with \p VF single-scalar recipes.
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ayalz wrote:

```suggestion
  /// Replace each VPReplicateRecipe outside on any replicate region in \p Plan
  /// with \p VF single-scalar recipes.
```

https://github.com/llvm/llvm-project/pull/142433