[NFC][TTI] Mark getReplicationShuffleCost() as const (llvm#92194)

Author: tylanphear

llvm/include/llvm/Analysis/TargetTransformInfo.h

@@ -1397,7 +1397,7 @@ class TargetTransformInfo {
   InstructionCost getReplicationShuffleCost(Type *EltTy, int ReplicationFactor,
                                             int VF,
                                             const APInt &DemandedDstElts,
-                                            TTI::TargetCostKind CostKind);
+                                            TTI::TargetCostKind CostKind) const;
 
   /// \return The cost of Load and Store instructions.
   InstructionCost

llvm/lib/Analysis/TargetTransformInfo.cpp

@@ -1037,7 +1037,7 @@ TargetTransformInfo::getVectorInstrCost(const Instruction &I, Type *Val,
 
 InstructionCost TargetTransformInfo::getReplicationShuffleCost(
     Type *EltTy, int ReplicationFactor, int VF, const APInt &DemandedDstElts,
-    TTI::TargetCostKind CostKind) {
+    TTI::TargetCostKind CostKind) const {
   InstructionCost Cost = TTIImpl->getReplicationShuffleCost(
       EltTy, ReplicationFactor, VF, DemandedDstElts, CostKind);
   assert(Cost >= 0 && "TTI should not produce negative costs!");