[llvm] [VPlan] Add initial loop-invariant code motion transform. (PR #107894)

[Ramkumar Ramachandra via llvm-commits]

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@@ -2382,7 +2382,8 @@ void InnerLoopVectorizer::scalarizeInstruction(const Instruction *Instr,
     AC->registerAssumption(II);
 
   // End if-block.
-  bool IfPredicateInstr = RepRecipe->getParent()->getParent()->isReplicator();
+  VPRegionBlock *Parent = RepRecipe->getParent()->getParent();
+  bool IfPredicateInstr = Parent ? Parent->isReplicator() : false;
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artagnon wrote:

Is this change related to the main LICM routine that this patch adds?

https://github.com/llvm/llvm-project/pull/107894