[SubZero] Vector types support for MIPS

src/IceCfg.h

 //===- subzero/src/IceCfg.h - Control flow graph ----------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 115 matching lines @@
   const VarList &getVariables() const { return Variables; }
   /// @}
 
   /// \name Manage arguments to the function.
   /// @{
   void addArg(Variable *Arg);
   const VarList &getArgs() const { return Args; }
   VarList &getArgs() { return Args; }
   void addImplicitArg(Variable *Arg);
   const VarList &getImplicitArgs() const { return ImplicitArgs; }
+  void setImplicitRet(Variable *Ret) { ImplicitRet = Ret; }
+  Variable *getImplicitRet() const { return ImplicitRet; }
   /// @}
 
   /// \name Manage the jump tables.
   /// @{
   void addJumpTable(InstJumpTable *JumpTable) {
     JumpTables.emplace_back(JumpTable);
   }
   /// @}
 
   /// \name Manage the Globals used by this function.
@@ skipping 172 matching lines @@
   GlobalString FunctionName;
   Type ReturnType = IceType_void;
   bool IsInternalLinkage = false;
   bool HasError = false;
   bool FocusedTiming = false;
   std::string ErrorMessage = "";
   CfgNode *Entry = nullptr; /// entry basic block
   NodeList Nodes;           /// linearized node list; Entry should be first
   InstNumberT NextInstNumber;
   VarList Variables;
-  VarList Args;         /// subset of Variables, in argument order
-  VarList ImplicitArgs; /// subset of Variables
+  VarList Args;          /// subset of Variables, in argument order
+  VarList ImplicitArgs;  /// subset of Variables
+  Variable *ImplicitRet; /// Implicit return
   // Separate string pools for CfgNode and Variable names, due to a combination
   // of the uniqueness requirement, and assumptions in lit tests.
   std::unique_ptr<StringPool> NodeStrings;
   std::unique_ptr<StringPool> VarStrings;
   std::unique_ptr<Liveness> Live;
   std::unique_ptr<TargetLowering> Target;
   std::unique_ptr<VariablesMetadata> VMetadata;
   std::unique_ptr<Assembler> TargetAssembler;
   /// Globals required by this CFG. Mostly used for the profiler's globals.
   std::unique_ptr<VariableDeclarationList> GlobalInits;
@@ skipping 23 matching lines @@
   using OwnerType = Cfg;
   static StringPool *getStrings(const OwnerType *PoolOwner) {
     return PoolOwner->getVarStrings();
   }
 };
 using VariableString = StringID<VariableStringPoolTraits>;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECFG_H