[llvm] [VPlan] Run recipe removal and simplification after optimizeForVFAndUF. (PR #125926)

[via llvm-commits]

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@@ -7685,6 +7685,8 @@ DenseMap<const SCEV *, Value *> LoopVectorizationPlanner::executePlan(
   VPlanTransforms::runPass(VPlanTransforms::unrollByUF, BestVPlan, BestUF,
                            OrigLoop->getHeader()->getContext());
   VPlanTransforms::optimizeForVFAndUF(BestVPlan, BestVF, BestUF, PSE);
+  VPlanTransforms::simplifyRecipes(BestVPlan, *Legal->getWidestInductionType());
+  VPlanTransforms::removeDeadRecipes(BestVPlan);
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ayalz wrote:

Which passes can/should be wrapped with runPass()?
Would be better to have each pass take care of printing and/or verification itself, somehow, rather than extracting this aspect to an explicit external wrapper.

https://github.com/llvm/llvm-project/pull/125926