Subzero. Moves code around in preparations for 64-bit lowering.

src/IceTargetLoweringX8664.h

 //===- subzero/src/IceTargetLoweringX8664.h - lowering for x86-64 -*- C++ -*-=//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 22 matching lines @@
   TargetX8664 &operator=(const TargetX8664 &) = delete;
 
   void emitJumpTable(const Cfg *Func,
                      const InstJumpTable *JumpTable) const override;
 
 public:
   static TargetX8664 *create(Cfg *Func) { return new TargetX8664(Func); }
 
 protected:
   void lowerCall(const InstCall *Instr) override;
+  void lowerArguments() override;
+  void lowerRet(const InstRet *Inst) override;
+  void addProlog(CfgNode *Node) override;
+  void addEpilog(CfgNode *Node) override;
 
 private:
   friend class ::Ice::X86Internal::TargetX86Base<TargetX8664>;
 
   explicit TargetX8664(Cfg *Func)
       : ::Ice::X86Internal::TargetX86Base<TargetX8664>(Func) {}
 
   Operand *createNaClReadTPSrcOperand() {
     Variable *TDB = makeReg(IceType_i32);
     InstCall *Call = makeHelperCall(H_call_read_tp, TDB, 0);
@@ skipping 40 matching lines @@
   }
 
 private:
   ENABLE_MAKE_UNIQUE;
 
   explicit TargetHeaderX8664(GlobalContext *Ctx) : TargetHeaderLowering(Ctx) {}
 };
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8664_H