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

[Florian Hahn via llvm-commits]

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@@ -492,13 +492,13 @@ Value *VPInstruction::generatePerPart(VPTransformState &State, unsigned Part) {
     return EVL;
   }
   case VPInstruction::CanonicalIVIncrementForPart: {
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fhahn wrote:

Yes, using `UF` as in earlier versions wasn't correct, it needs to generate for each individual part. Added as an operand.

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