[llvm] [VPlan] Simplify Plan's entry in removeBranchOnConst. (PR #154510)

[via llvm-commits]

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@@ -7262,7 +7271,7 @@ DenseMap<const SCEV *, Value *> LoopVectorizationPlanner::executePlan(
   BasicBlock *EntryBB =
       cast<VPIRBasicBlock>(BestVPlan.getEntry())->getIRBasicBlock();
   State.CFG.PrevBB = ILV.createVectorizedLoopSkeleton();
-  replaceVPBBWithIRVPBB(BestVPlan.getScalarPreheader(),
+  replaceVPBBWithIRVPBB(BestVPlan, BestVPlan.getScalarPreheader(),
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ayalz wrote:

Independent: worth documenting somewhere that `createVectorizedLoopSkeleton()` returns the predecessor of the newly created scalar preheader (which when created has a unique predecessor).

https://github.com/llvm/llvm-project/pull/154510