[llvm] [VPlan] First step towards VPlan cost modeling. (PR #92555)

[Florian Hahn via llvm-commits]

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@@ -920,6 +980,13 @@ void VPlan::execute(VPTransformState *State) {
          "DT not preserved correctly");
 }
 
+InstructionCost VPlan::cost(ElementCount VF, VPCostContext &Ctx) {
+  InstructionCost Cost = 0;
+  for (VPBlockBase *Block : vp_depth_first_shallow(getEntry()))
+    Cost += Block->cost(VF, Ctx);
+  return Cost;
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fhahn wrote:

Updated, thanks!

https://github.com/llvm/llvm-project/pull/92555