[llvm] [VPlan] Add initial CFG simplification, removing BranchOnCond true. (PR #106748)

[Florian Hahn via llvm-commits]

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@@ -2817,6 +2817,7 @@ BasicBlock *InnerLoopVectorizer::createVectorizedLoopSkeleton(
   // faster.
   emitMemRuntimeChecks(LoopScalarPreHeader);
 
+  replaceVPBBWithIRVPBB(Plan.getScalarPreheader(), LoopScalarPreHeader);
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fhahn wrote:

Yep, we will be able to do so once we move to model the full skeleton independently in VPlan and not rely on legacy's skeleton creation.

https://github.com/llvm/llvm-project/pull/106748