[llvm] [VPlan] Add specialized VPValue subclasses for different types (NFC) (PR #172758)

[Florian Hahn via llvm-commits]

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@@ -1169,20 +1180,17 @@ VPlan *VPlan::duplicate() {
   // Create VPlan, clone live-ins and remap operands in the cloned blocks.
   auto *NewPlan = new VPlan(cast<VPBasicBlock>(NewEntry), NewScalarHeader);
   DenseMap<VPValue *, VPValue *> Old2NewVPValues;
-  for (VPValue *OldLiveIn : getLiveIns()) {
-    Old2NewVPValues[OldLiveIn] =
-        NewPlan->getOrAddLiveIn(OldLiveIn->getLiveInIRValue());
-  }
+  for (VPIRValue *OldLiveIn : getLiveIns())
+    Old2NewVPValues[OldLiveIn] = NewPlan->getOrAddLiveIn(OldLiveIn->getValue());
   Old2NewVPValues[&VectorTripCount] = &NewPlan->VectorTripCount;
   Old2NewVPValues[&VF] = &NewPlan->VF;
   Old2NewVPValues[&VFxUF] = &NewPlan->VFxUF;
   if (BackedgeTakenCount) {
-    NewPlan->BackedgeTakenCount = new VPValue();
+    NewPlan->BackedgeTakenCount = new VPSymbolicValue();
     Old2NewVPValues[BackedgeTakenCount] = NewPlan->BackedgeTakenCount;
   }
-  if (TripCount && TripCount->isLiveIn())
-    Old2NewVPValues[TripCount] =
-        NewPlan->getOrAddLiveIn(TripCount->getLiveInIRValue());
+  if (auto *LI = dyn_cast_or_null<VPIRValue>(TripCount))
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fhahn wrote:

updated thanks

https://github.com/llvm/llvm-project/pull/172758