[llvm] [RFC][LV] VPlan-based cost model (PR #67647)

[Ramkumar Ramachandra via llvm-commits]

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+//===- SiFive_VPlanCostModel.cpp - Vectorizer Cost Model ------------------===//
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artagnon wrote:

s/SiFive_//

https://github.com/llvm/llvm-project/pull/67647