[llvm] [VPlan] Compute scalar cost based on VPlan0 instead of legacy CM. (PR #196845)

[Florian Hahn via llvm-commits]

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@@ -5516,6 +5474,34 @@ LoopVectorizationPlanner::precomputeCosts(VPlan &Plan, ElementCount VF,
   return Cost;
 }
 
+/// Returns the frequency with which \p VPBB executes, as recorded on its
+/// recipes by VPlanTransforms::recordExecutionFrequencies. All recipes of a
+/// block share the same frequency, and blocks that always or never execute
+/// carry none. \p VPBB must be part of a plain CFG.
+static std::optional<VPExecutionFrequency>
+getRecordedExecutionFrequency(const VPBasicBlock *VPBB) {
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fhahn wrote:

Done in https://github.com/llvm/llvm-project/pull/225414, thanks

https://github.com/llvm/llvm-project/pull/196845