[llvm] [VPlan] Use ResumePhi to create reduction resume phis. (PR #110004)

[Florian Hahn via llvm-commits]

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@@ -9411,6 +9395,22 @@ void LoopVectorizationPlanner::adjustRecipesForReductions(
         });
     FinalReductionResult->insertBefore(*MiddleVPBB, IP);
 
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fhahn wrote:

Yep, but may be better as follow-up?

https://github.com/llvm/llvm-project/pull/110004