[llvm] [VPlan] First step towards VPlan cost modeling. (PR #92555)
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 12 06:47:53 PDT 2024
================
@@ -747,6 +747,65 @@ void VPRegionBlock::execute(VPTransformState *State) {
State->Instance.reset();
}
+InstructionCost VPBasicBlock::cost(ElementCount VF, VPCostContext &Ctx) {
+ InstructionCost Cost = 0;
+ for (VPRecipeBase &R : Recipes)
+ Cost += R.cost(VF, Ctx);
+ return Cost;
+}
+
+InstructionCost VPRegionBlock::cost(ElementCount VF, VPCostContext &Ctx) {
+ if (!isReplicator()) {
+ InstructionCost Cost = 0;
+ Cost += Ctx.getLoopExitCost(VF);
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fhahn wrote:
Good point, moved this to LVP::cost
https://github.com/llvm/llvm-project/pull/92555
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