[llvm] [VPlan] Implement interleaving as VPlan-to-VPlan transform. (PR #95842)

[Florian Hahn via llvm-commits]

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@@ -2827,6 +2846,9 @@ class VPScalarIVStepsRecipe : public VPRecipeWithIRFlags {
            "Op must be an operand of the recipe");
     return true;
   }
+
+  /// Return the current part for this scalar step.
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fhahn wrote:

This is the in `VPScalarIVStepsRecipe`, so this should be the only place to mentioned scalar steps I think

https://github.com/llvm/llvm-project/pull/95842