[llvm] [VPlan] Introduce ComputeReductionResult VPInstruction opcode. (PR #70253)

[Florian Hahn via llvm-commits]

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@@ -7590,6 +7412,7 @@ SCEV2ValueTy LoopVectorizationPlanner::executePlan(
     State.Builder.SetInsertPoint(OrigLoop->getLoopPreheader()->getTerminator());
     BestVPlan.getPreheader()->execute(&State);
   }
+  State.CFG.VPBB2IRBB[BestVPlan.getPreheader()] = OrigLoop->getLoopPreheader();
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fhahn wrote:

Not needed for this patch, removed, thanks!

https://github.com/llvm/llvm-project/pull/70253