Order jump tables for deterministic or randomized emission.

src/IceSwitchLowering.h

 //===- subzero/src/IceSwitchLowering.h - Switch lowering --------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 61 matching lines @@
   };
 
   /// Try and append a cluster returning whether or not it was successful.
   bool tryAppend(const CaseCluster &New);
 };
 
 /// Store the jump table data so that it can be emitted later in the correct
 /// ELF section once the offsets from the start of the function are known.
 class JumpTableData {
   JumpTableData() = delete;
-  JumpTableData(const JumpTableData &) = delete;
   JumpTableData &operator=(const JumpTableData &) = delete;
 
 public:
   JumpTableData(IceString FuncName, SizeT Id, SizeT NumTargets)
       : FuncName(FuncName), Id(Id) {
     TargetOffsets.reserve(NumTargets);
   }
+  JumpTableData(const JumpTableData &) = default;
   JumpTableData(JumpTableData &&) = default;
+  JumpTableData &operator=(JumpTableData &&) = default;
 
   void pushTarget(intptr_t Offset) { TargetOffsets.emplace_back(Offset); }
 
   const IceString &getFunctionName() const { return FuncName; }
   SizeT getId() const { return Id; }
   const std::vector<intptr_t> &getTargetOffsets() const {
     return TargetOffsets;
   }
 
 private:
-  const IceString FuncName;
-  const SizeT Id;
+  IceString FuncName;
+  SizeT Id;
   std::vector<intptr_t> TargetOffsets;
 };
 
 using JumpTableDataList = std::vector<JumpTableData>;
 
 } // end of namespace Ice
 
 #endif //  SUBZERO_SRC_ICESWITCHLOWERING_H