[llvm] [VPlan] Wrap SCEVAddRecExprs in VPExpandSCEVRecipe in VPSCEVExpander. (PR #210013)

[Ramkumar Ramachandra via llvm-commits]

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artagnon wrote:

We have inserted something into the Plan's entry via VPlan, so it is clearly in the Plan?

https://github.com/llvm/llvm-project/pull/210013