[llvm] [VPlan] Introduce explicit broadcasts for live-ins. (PR #124644)

[via llvm-commits]

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@@ -7697,7 +7697,7 @@ DenseMap<const SCEV *, Value *> LoopVectorizationPlanner::executePlan(
       ((VectorizingEpilogue && ExpandedSCEVs) ||
        (!VectorizingEpilogue && !ExpandedSCEVs)) &&
       "expanded SCEVs to reuse can only be used during epilogue vectorization");
-
+  VPlanTransforms::materializeLiveInBroadcasts(BestVPlan);
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ayalz wrote:

runPass()?

https://github.com/llvm/llvm-project/pull/124644