[llvm] [LoopVectorize] Improve Vectorization of Low Trip Count Loops (PR #195823)

[Jack Styles via llvm-commits]

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@@ -5807,6 +5831,41 @@ InstructionCost LoopVectorizationPlanner::cost(VPlan &Plan, ElementCount VF,
   return Cost;
 }
 
+bool LoopVectorizationPlanner::isProfitableOneScalarTail(
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Stylie777 wrote:

I've split this into two functions which should make it easier to understand the intention of each function, and how they operate when finding the bestVF

https://github.com/llvm/llvm-project/pull/195823