Subzero: Remove Variable::NeedsStackSlot.

src/IceTargetLoweringX8632.h

 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- 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 TargetLoweringX8632 class, which
@@ skipping 464 matching lines @@
 
   const X86InstructionSet InstructionSet;
   bool IsEbpBasedFrame;
   bool NeedsStackAlignment;
   size_t FrameSizeLocals;
   size_t SpillAreaSizeBytes;
   llvm::SmallBitVector TypeToRegisterSet[IceType_NUM];
   llvm::SmallBitVector ScratchRegs;
   llvm::SmallBitVector RegsUsed;
   SizeT NextLabelNumber;
-  bool ComputedLiveRanges;
   VarList PhysicalRegisters[IceType_NUM];
   VarList FakeKilledScratchRegisters;
   static IceString RegNames[];
 
 private:
   ~TargetX8632() override {}
   // Ideally, this initialization would be done in the constructor,
   // but we need to defer it until after the initial CFG is built,
   // because some of the bitcode reader tests rely on the order that
   // Variables are created and their default printable names.
@@ skipping 24 matching lines @@
 };
 
 template <> void ConstantInteger32::emit(GlobalContext *Ctx) const;
 template <> void ConstantInteger64::emit(GlobalContext *Ctx) const;
 template <> void ConstantFloat::emit(GlobalContext *Ctx) const;
 template <> void ConstantDouble::emit(GlobalContext *Ctx) const;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H