llvm-project

990883a6 - [VPlan] Handle Alloca in VPReplicateRecipe::computeCost. (NFCI)

[VPlan] Handle Alloca in VPReplicateRecipe::computeCost. (NFCI) Handle Alloca in the VPlan-based cost mode. This also updates the cost in the legacy cost model to clarify that we always compute the scalar cost.