Subzero: Make -reg-use and -reg-exclude specific to register class.

src/IceTargetLowering.h

 //===- subzero/src/IceTargetLowering.h - Lowering interface -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 337 matching lines @@
     TargetLowering *const Target;
     const bool NeedSandboxing;
   };
 
   explicit TargetLowering(Cfg *Func);
   // Applies command line filters to TypeToRegisterSet array.
   static void
   filterTypeToRegisterSet(GlobalContext *Ctx, int32_t NumRegs,
                           llvm::SmallBitVector TypeToRegisterSet[],
                           size_t TypeToRegisterSetSize,
-                          std::function<IceString(int32_t)> getRegName);
+                          std::function<IceString(int32_t)> getRegName,
+                          std::function<IceString(RegClass)> getRegClassName);
   virtual void lowerAlloca(const InstAlloca *Inst) = 0;
   virtual void lowerArithmetic(const InstArithmetic *Inst) = 0;
   virtual void lowerAssign(const InstAssign *Inst) = 0;
   virtual void lowerBr(const InstBr *Inst) = 0;
   virtual void lowerCall(const InstCall *Inst) = 0;
   virtual void lowerCast(const InstCast *Inst) = 0;
   virtual void lowerFcmp(const InstFcmp *Inst) = 0;
   virtual void lowerExtractElement(const InstExtractElement *Inst) = 0;
   virtual void lowerIcmp(const InstIcmp *Inst) = 0;
   virtual void lowerInsertElement(const InstInsertElement *Inst) = 0;
@@ skipping 180 matching lines @@
   virtual void lower() {}
 
 protected:
   explicit TargetHeaderLowering(GlobalContext *Ctx) : Ctx(Ctx) {}
   GlobalContext *Ctx;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERING_H