[llvm] [VPlan] Add exit phi operands during initial construction (NFC). (PR #136455)

[Florian Hahn via llvm-commits]

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@@ -2501,35 +2501,41 @@ void VPlanTransforms::handleUncountableEarlyExit(
     if (!ExitIRI)
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fhahn wrote:

Will check and put up a PR to update here. (and. possibly docs)

https://github.com/llvm/llvm-project/pull/136455