[llvm] [VPlan] Explicitly unroll replicate-regions without live-outs by VF. (PR #170212)

[Florian Hahn via llvm-commits]

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@@ -544,6 +544,38 @@ void VPlanTransforms::unrollByUF(VPlan &Plan, unsigned UF) {
   VPlanTransforms::removeDeadRecipes(Plan);
 }
 
+/// Add a start index to \p Steps for \p Lane by combining any existing start
+/// index with the lane offset. \p Builder is used to insert new recipes before
+/// \p Steps.
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fhahn wrote:

We can just create a builder when needed inline in the latest version, updated thanks

https://github.com/llvm/llvm-project/pull/170212