Add constant blinding/pooling option for X8632 code translation

src/IceInstX8632.h

 //===- subzero/src/IceInstX8632.h - x86-32 machine instructions -*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the InstX8632 and OperandX8632 classes and
@@ skipping 68 matching lines @@
   void emitSegmentOverride(X8632::AssemblerX8632 *Asm) const;
   X8632::Address toAsmAddress(Assembler *Asm) const;
   void emit(const Cfg *Func) const override;
   using OperandX8632::dump;
   void dump(const Cfg *Func, Ostream &Str) const override;
 
   static bool classof(const Operand *Operand) {
     return Operand->getKind() == static_cast<OperandKind>(kMem);
   }
 
+  void setRandomized(bool R) { Randomized = R; }
+
+  bool getRandomized() const { return Randomized; }
+
 private:
   OperandX8632Mem(Cfg *Func, Type Ty, Variable *Base, Constant *Offset,
                   Variable *Index, uint16_t Shift, SegmentRegisters SegmentReg);
   ~OperandX8632Mem() override {}
   Variable *Base;
   Constant *Offset;
   Variable *Index;
   uint16_t Shift;
   SegmentRegisters SegmentReg : 16;
+  // A flag to show if this memory operand is a randomized one.
+  // Randomized memory operands are generated in
+  // TargetX8632::randomizeOrPoolImmediate()
+  bool Randomized;
 };
 
 // VariableSplit is a way to treat an f64 memory location as a pair
 // of i32 locations (Low and High).  This is needed for some cases
 // of the Bitcast instruction.  Since it's not possible for integer
 // registers to access the XMM registers and vice versa, the
 // lowering forces the f64 to be spilled to the stack and then
 // accesses through the VariableSplit.
 class VariableSplit : public OperandX8632 {
   VariableSplit() = delete;
@@ skipping 1693 matching lines @@
 template <> void InstX8632Pinsr::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Movsx::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Movzx::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Pmull::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Pshufd::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Shufps::emitIAS(const Cfg *Func) const;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTX8632_H