[llvm] [LoopVectorize][NFC] Centralize the setting of CostKind (PR #121937)

[David Sherwood via llvm-commits]

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@@ -1141,9 +1138,8 @@ InstructionCost VPHistogramRecipe::computeCost(ElementCount VF,
                               {PtrTy, IncTy, MaskTy});
 
   // Add the costs together with the add/sub operation.
-  return Ctx.TTI.getIntrinsicInstrCost(
-             ICA, TargetTransformInfo::TCK_RecipThroughput) +
-         MulCost + Ctx.TTI.getArithmeticInstrCost(Opcode, VTy);
+  return Ctx.TTI.getIntrinsicInstrCost(ICA, Ctx.CostKind) + MulCost +
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david-arm wrote:

I think the Ctx.TTI.getArithmeticInstrCost calls on lines 1125 and 1142 also need updating.

https://github.com/llvm/llvm-project/pull/121937