[llvm] [VPlan] Manage Sentinel value for FindLastIV in VPlan. (PR #142291)

[via llvm-commits]

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@@ -645,16 +645,16 @@ Value *VPInstruction::generate(VPTransformState &State) {
 
     // The recipe's operands are the reduction phi, followed by one operand for
     // each part of the reduction.
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ayalz wrote:

 Comment needs updating? Operands better be explaining under /// somewhere?

https://github.com/llvm/llvm-project/pull/142291