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

[Florian Hahn via llvm-commits]

================
@@ -821,6 +821,10 @@ void VPlan::prepareToExecute(Value *TripCountV, Value *VectorTripCountV,
   // FIXME: Model VF * UF computation completely in VPlan.
   VFxUF.setUnderlyingValue(
       createStepForVF(Builder, TripCountV->getType(), State.VF, State.UF));
+  if (VF.getNumUsers() > 0) {
+    VF.setUnderlyingValue(
+        createStepForVF(Builder, TripCountV->getType(), State.VF, 1));
----------------
fhahn wrote:

Updated, thanks!

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