[llvm] [VPlan] Connect Entry to scalar preheader during initial construction. (PR #140132)

[Florian Hahn via llvm-commits]

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@@ -490,7 +490,7 @@ class InnerLoopVectorizer {
         MinProfitableTripCount(MinProfitableTripCount), UF(UnrollFactor),
         Builder(PSE.getSE()->getContext()), Cost(CM), BFI(BFI), PSI(PSI),
         RTChecks(RTChecks), Plan(Plan),
-        VectorPHVPB(Plan.getEntry()->getSingleSuccessor()) {}
+        VectorPHVPB(Plan.getEntry()->getSuccessors()[1]) {}
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fhahn wrote:

Updated to get the single predecessor of the vector loop region, which should be clearer, thanks

https://github.com/llvm/llvm-project/pull/140132