[llvm] [LV] Reuse VPReplicateRecipe to handle scalar stores in exit block. (PR #106342)

[Mel Chen via llvm-commits]

================
@@ -2388,8 +2388,8 @@ void InnerLoopVectorizer::scalarizeInstruction(const Instruction *Instr,
     AC->registerAssumption(II);
 
   // End if-block.
-  bool IfPredicateInstr = RepRecipe->getParent()->getParent()->isReplicator();
-  if (IfPredicateInstr)
+  const VPRegionBlock *Region = RepRecipe->getParent()->getParent();
+  if (Region && Region->isReplicator())
----------------
Mel-Chen wrote:

da4abe29dd117f4d14ce5f4a0d9141d57adbf001

https://github.com/llvm/llvm-project/pull/106342