[llvm] [VPlan] Implement VPInterleaveRecipe::computeCost. (PR #106067)

[Elvis Wang via llvm-commits]

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@@ -270,8 +270,6 @@ void VPRecipeBase::moveBefore(VPBasicBlock &BB,
 static Instruction *getInstructionForCost(const VPRecipeBase *R) {
   if (auto *S = dyn_cast<VPSingleDefRecipe>(R))
     return dyn_cast_or_null<Instruction>(S->getUnderlyingValue());
-  if (auto *IG = dyn_cast<VPInterleaveRecipe>(R))
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ElvisWang123 wrote:

Remove `VPinterleaveRecipe` here will prevent `-force-target-instr-cost` overwriting recipe cost that may be inconsistent to the legacy model.

https://github.com/llvm/llvm-project/pull/106067