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

[Florian Hahn via llvm-commits]

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@@ -1945,17 +1945,19 @@ bool VPCostContext::isFreeScalarIntrinsic(Intrinsic::ID ID) {
                       ID);
 }
 
-uint64_t VPCostContext::getReplicateRegionCostDivisor(
-    const VPRegionBlock *Region) const {
-  if (CostKind == TTI::TCK_CodeSize)
-    return 1;
-  std::optional<VPExecutionFrequency> Freq =
-      Region->getEntryBranchOnMask()->getExecutionFrequency();
-  if (!Freq)
+uint64_t
+VPCostContext::getCostDivisor(std::optional<VPExecutionFrequency> Freq) const {
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fhahn wrote:

Done in https://github.com/llvm/llvm-project/pull/225413. It also inline it instead of having a trivial `getReplicateRegionCostDivisor`, thanks

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