[CodeGen] Disable default copy ctor and copy assignment operator for VLIWResourceModel

llvm/include/llvm/CodeGen/VLIWMachineScheduler.h

protected:
   /// internal to the MI scheduler at the time.
   SmallVector<SUnit *> Packet;
 
   /// Total packets created.
   unsigned TotalPackets = 0;
 
 public:
   VLIWResourceModel(const TargetSubtargetInfo &STI, const TargetSchedModel *SM);
-
+  VLIWResourceModel &operator=(const VLIWResourceModel &other) = delete;
+  VLIWResourceModel(const VLIWResourceModel &other) = delete;
   virtual ~VLIWResourceModel();
 
   virtual void reset();
 
   virtual bool hasDependence(const SUnit *SUd, const SUnit *SUu);
   virtual bool isResourceAvailable(SUnit *SU, bool IsTop);
   virtual bool reserveResources(SUnit *SU, bool IsTop);
   unsigned getTotalPackets() const { return TotalPackets; }