Move Hydrogen and Lithium to src/crankshaft/

src/ia32/lithium-ia32.h

-// Copyright 2012 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_IA32_LITHIUM_IA32_H_
-#define V8_IA32_LITHIUM_IA32_H_
-
-#include "src/hydrogen.h"
-#include "src/lithium.h"
-#include "src/lithium-allocator.h"
-#include "src/safepoint-table.h"
-#include "src/utils.h"
-
-namespace v8 {
-namespace internal {
-
-namespace compiler {
-class RCodeVisualizer;
-}
-
-// Forward declarations.
-class LCodeGen;
-
-#define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \
-  V(AccessArgumentsAt)                       \
-  V(AddI)                                    \
-  V(AllocateBlockContext)                    \
-  V(Allocate)                                \
-  V(ApplyArguments)                          \
-  V(ArgumentsElements)                       \
-  V(ArgumentsLength)                         \
-  V(ArithmeticD)                             \
-  V(ArithmeticT)                             \
-  V(BitI)                                    \
-  V(BoundsCheck)                             \
-  V(Branch)                                  \
-  V(CallJSFunction)                          \
-  V(CallWithDescriptor)                      \
-  V(CallFunction)                            \
-  V(CallNew)                                 \
-  V(CallNewArray)                            \
-  V(CallRuntime)                             \
-  V(CallStub)                                \
-  V(CheckArrayBufferNotNeutered)             \
-  V(CheckInstanceType)                       \
-  V(CheckMaps)                               \
-  V(CheckMapValue)                           \
-  V(CheckNonSmi)                             \
-  V(CheckSmi)                                \
-  V(CheckValue)                              \
-  V(ClampDToUint8)                           \
-  V(ClampIToUint8)                           \
-  V(ClampTToUint8)                           \
-  V(ClassOfTestAndBranch)                    \
-  V(CompareMinusZeroAndBranch)               \
-  V(CompareNumericAndBranch)                 \
-  V(CmpObjectEqAndBranch)                    \
-  V(CmpHoleAndBranch)                        \
-  V(CmpMapAndBranch)                         \
-  V(CmpT)                                    \
-  V(ConstantD)                               \
-  V(ConstantE)                               \
-  V(ConstantI)                               \
-  V(ConstantS)                               \
-  V(ConstantT)                               \
-  V(ConstructDouble)                         \
-  V(Context)                                 \
-  V(DateField)                               \
-  V(DebugBreak)                              \
-  V(DeclareGlobals)                          \
-  V(Deoptimize)                              \
-  V(DivByConstI)                             \
-  V(DivByPowerOf2I)                          \
-  V(DivI)                                    \
-  V(DoubleBits)                              \
-  V(DoubleToI)                               \
-  V(DoubleToSmi)                             \
-  V(Drop)                                    \
-  V(Dummy)                                   \
-  V(DummyUse)                                \
-  V(FlooringDivByConstI)                     \
-  V(FlooringDivByPowerOf2I)                  \
-  V(FlooringDivI)                            \
-  V(ForInCacheArray)                         \
-  V(ForInPrepareMap)                         \
-  V(GetCachedArrayIndex)                     \
-  V(Goto)                                    \
-  V(HasCachedArrayIndexAndBranch)            \
-  V(HasInPrototypeChainAndBranch)            \
-  V(HasInstanceTypeAndBranch)                \
-  V(InnerAllocatedObject)                    \
-  V(InstanceOf)                              \
-  V(InstructionGap)                          \
-  V(Integer32ToDouble)                       \
-  V(InvokeFunction)                          \
-  V(IsConstructCallAndBranch)                \
-  V(IsStringAndBranch)                       \
-  V(IsSmiAndBranch)                          \
-  V(IsUndetectableAndBranch)                 \
-  V(Label)                                   \
-  V(LazyBailout)                             \
-  V(LoadContextSlot)                         \
-  V(LoadFieldByIndex)                        \
-  V(LoadFunctionPrototype)                   \
-  V(LoadGlobalGeneric)                       \
-  V(LoadGlobalViaContext)                    \
-  V(LoadKeyed)                               \
-  V(LoadKeyedGeneric)                        \
-  V(LoadNamedField)                          \
-  V(LoadNamedGeneric)                        \
-  V(LoadRoot)                                \
-  V(MapEnumLength)                           \
-  V(MathAbs)                                 \
-  V(MathClz32)                               \
-  V(MathExp)                                 \
-  V(MathFloor)                               \
-  V(MathFround)                              \
-  V(MathLog)                                 \
-  V(MathMinMax)                              \
-  V(MathPowHalf)                             \
-  V(MathRound)                               \
-  V(MathSqrt)                                \
-  V(MaybeGrowElements)                       \
-  V(ModByConstI)                             \
-  V(ModByPowerOf2I)                          \
-  V(ModI)                                    \
-  V(MulI)                                    \
-  V(NumberTagD)                              \
-  V(NumberTagI)                              \
-  V(NumberTagU)                              \
-  V(NumberUntagD)                            \
-  V(OsrEntry)                                \
-  V(Parameter)                               \
-  V(Power)                                   \
-  V(Prologue)                                \
-  V(PushArgument)                            \
-  V(RegExpLiteral)                           \
-  V(Return)                                  \
-  V(SeqStringGetChar)                        \
-  V(SeqStringSetChar)                        \
-  V(ShiftI)                                  \
-  V(SmiTag)                                  \
-  V(SmiUntag)                                \
-  V(StackCheck)                              \
-  V(StoreCodeEntry)                          \
-  V(StoreContextSlot)                        \
-  V(StoreFrameContext)                       \
-  V(StoreGlobalViaContext)                   \
-  V(StoreKeyed)                              \
-  V(StoreKeyedGeneric)                       \
-  V(StoreNamedField)                         \
-  V(StoreNamedGeneric)                       \
-  V(StringAdd)                               \
-  V(StringCharCodeAt)                        \
-  V(StringCharFromCode)                      \
-  V(StringCompareAndBranch)                  \
-  V(SubI)                                    \
-  V(TaggedToI)                               \
-  V(ThisFunction)                            \
-  V(ToFastProperties)                        \
-  V(TransitionElementsKind)                  \
-  V(TrapAllocationMemento)                   \
-  V(Typeof)                                  \
-  V(TypeofIsAndBranch)                       \
-  V(Uint32ToDouble)                          \
-  V(UnknownOSRValue)                         \
-  V(WrapReceiver)
-
-
-#define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)            \
-  Opcode opcode() const final { return LInstruction::k##type; } \
-  void CompileToNative(LCodeGen* generator) final;              \
-  const char* Mnemonic() const final { return mnemonic; }       \
-  static L##type* cast(LInstruction* instr) {                   \
-    DCHECK(instr->Is##type());                                  \
-    return reinterpret_cast<L##type*>(instr);                   \
-  }
-
-
-#define DECLARE_HYDROGEN_ACCESSOR(type)     \
-  H##type* hydrogen() const {               \
-    return H##type::cast(hydrogen_value()); \
-  }
-
-
-class LInstruction : public ZoneObject {
- public:
-  LInstruction()
-      : environment_(NULL),
-        hydrogen_value_(NULL),
-        bit_field_(IsCallBits::encode(false)) {
-  }
-
-  virtual ~LInstruction() {}
-
-  virtual void CompileToNative(LCodeGen* generator) = 0;
-  virtual const char* Mnemonic() const = 0;
-  virtual void PrintTo(StringStream* stream);
-  virtual void PrintDataTo(StringStream* stream);
-  virtual void PrintOutputOperandTo(StringStream* stream);
-
-  enum Opcode {
-    // Declare a unique enum value for each instruction.
-#define DECLARE_OPCODE(type) k##type,
-    LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE) kAdapter,
-    kNumberOfInstructions
-#undef DECLARE_OPCODE
-  };
-
-  virtual Opcode opcode() const = 0;
-
-  // Declare non-virtual type testers for all leaf IR classes.
-#define DECLARE_PREDICATE(type) \
-  bool Is##type() const { return opcode() == k##type; }
-  LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE)
-#undef DECLARE_PREDICATE
-
-  // Declare virtual predicates for instructions that don't have
-  // an opcode.
-  virtual bool IsGap() const { return false; }
-
-  virtual bool IsControl() const { return false; }
-
-  // Try deleting this instruction if possible.
-  virtual bool TryDelete() { return false; }
-
-  void set_environment(LEnvironment* env) { environment_ = env; }
-  LEnvironment* environment() const { return environment_; }
-  bool HasEnvironment() const { return environment_ != NULL; }
-
-  void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
-  LPointerMap* pointer_map() const { return pointer_map_.get(); }
-  bool HasPointerMap() const { return pointer_map_.is_set(); }
-
-  void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
-  HValue* hydrogen_value() const { return hydrogen_value_; }
-
-  void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
-  bool IsCall() const { return IsCallBits::decode(bit_field_); }
-
-  // Interface to the register allocator and iterators.
-  bool ClobbersTemps() const { return IsCall(); }
-  bool ClobbersRegisters() const { return IsCall(); }
-  virtual bool ClobbersDoubleRegisters(Isolate* isolate) const {
-    return IsCall();
-  }
-
-  virtual bool HasResult() const = 0;
-  virtual LOperand* result() const = 0;
-
-  bool HasDoubleRegisterResult();
-  bool HasDoubleRegisterInput();
-
-  LOperand* FirstInput() { return InputAt(0); }
-  LOperand* Output() { return HasResult() ? result() : NULL; }
-
-  virtual bool HasInterestingComment(LCodeGen* gen) const { return true; }
-
-#ifdef DEBUG
-  void VerifyCall();
-#endif
-
-  virtual int InputCount() = 0;
-  virtual LOperand* InputAt(int i) = 0;
-
- private:
-  // Iterator support.
-  friend class InputIterator;
-
-  friend class TempIterator;
-  virtual int TempCount() = 0;
-  virtual LOperand* TempAt(int i) = 0;
-
-  class IsCallBits: public BitField<bool, 0, 1> {};
-
-  LEnvironment* environment_;
-  SetOncePointer<LPointerMap> pointer_map_;
-  HValue* hydrogen_value_;
-  int bit_field_;
-};
-
-
-// R = number of result operands (0 or 1).
-template<int R>
-class LTemplateResultInstruction : public LInstruction {
- public:
-  // Allow 0 or 1 output operands.
-  STATIC_ASSERT(R == 0 || R == 1);
-  bool HasResult() const final { return R != 0 && result() != NULL; }
-  void set_result(LOperand* operand) { results_[0] = operand; }
-  LOperand* result() const override { return results_[0]; }
-
- protected:
-  EmbeddedContainer<LOperand*, R> results_;
-};
-
-
-// R = number of result operands (0 or 1).
-// I = number of input operands.
-// T = number of temporary operands.
-template<int R, int I, int T>
-class LTemplateInstruction : public LTemplateResultInstruction<R> {
- protected:
-  EmbeddedContainer<LOperand*, I> inputs_;
-  EmbeddedContainer<LOperand*, T> temps_;
-
- private:
-  // Iterator support.
-  int InputCount() final { return I; }
-  LOperand* InputAt(int i) final { return inputs_[i]; }
-
-  int TempCount() final { return T; }
-  LOperand* TempAt(int i) final { return temps_[i]; }
-};
-
-
-class LGap : public LTemplateInstruction<0, 0, 0> {
- public:
-  explicit LGap(HBasicBlock* block) : block_(block) {
-    parallel_moves_[BEFORE] = NULL;
-    parallel_moves_[START] = NULL;
-    parallel_moves_[END] = NULL;
-    parallel_moves_[AFTER] = NULL;
-  }
-
-  // Can't use the DECLARE-macro here because of sub-classes.
-  bool IsGap() const final { return true; }
-  void PrintDataTo(StringStream* stream) override;
-  static LGap* cast(LInstruction* instr) {
-    DCHECK(instr->IsGap());
-    return reinterpret_cast<LGap*>(instr);
-  }
-
-  bool IsRedundant() const;
-
-  HBasicBlock* block() const { return block_; }
-
-  enum InnerPosition {
-    BEFORE,
-    START,
-    END,
-    AFTER,
-    FIRST_INNER_POSITION = BEFORE,
-    LAST_INNER_POSITION = AFTER
-  };
-
-  LParallelMove* GetOrCreateParallelMove(InnerPosition pos, Zone* zone)  {
-    if (parallel_moves_[pos] == NULL) {
-      parallel_moves_[pos] = new(zone) LParallelMove(zone);
-    }
-    return parallel_moves_[pos];
-  }
-
-  LParallelMove* GetParallelMove(InnerPosition pos)  {
-    return parallel_moves_[pos];
-  }
-
- private:
-  LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
-  HBasicBlock* block_;
-};
-
-
-class LInstructionGap final : public LGap {
- public:
-  explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }
-
-  bool HasInterestingComment(LCodeGen* gen) const override {
-    return !IsRedundant();
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
-};
-
-
-class LGoto final : public LTemplateInstruction<0, 0, 0> {
- public:
-  explicit LGoto(HBasicBlock* block) : block_(block) { }
-
-  bool HasInterestingComment(LCodeGen* gen) const override;
-  DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
-  void PrintDataTo(StringStream* stream) override;
-  bool IsControl() const override { return true; }
-
-  int block_id() const { return block_->block_id(); }
-  bool ClobbersDoubleRegisters(Isolate* isolate) const override {
-    return false;
-  }
-
-  bool jumps_to_join() const { return block_->predecessors()->length() > 1; }
-
- private:
-  HBasicBlock* block_;
-};
-
-
-class LPrologue final : public LTemplateInstruction<0, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(Prologue, "prologue")
-};
-
-
-class LLazyBailout final : public LTemplateInstruction<0, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")
-};
-
-
-class LDummy final : public LTemplateInstruction<1, 0, 0> {
- public:
-  LDummy() {}
-  DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
-};
-
-
-class LDummyUse final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LDummyUse(LOperand* value) {
-    inputs_[0] = value;
-  }
-  DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
-};
-
-
-class LDeoptimize final : public LTemplateInstruction<0, 0, 0> {
- public:
-  bool IsControl() const override { return true; }
-  DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
-  DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
-};
-
-
-class LLabel final : public LGap {
- public:
-  explicit LLabel(HBasicBlock* block)
-      : LGap(block), replacement_(NULL) { }
-
-  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
-  DECLARE_CONCRETE_INSTRUCTION(Label, "label")
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int block_id() const { return block()->block_id(); }
-  bool is_loop_header() const { return block()->IsLoopHeader(); }
-  bool is_osr_entry() const { return block()->is_osr_entry(); }
-  Label* label() { return &label_; }
-  LLabel* replacement() const { return replacement_; }
-  void set_replacement(LLabel* label) { replacement_ = label; }
-  bool HasReplacement() const { return replacement_ != NULL; }
-
- private:
-  Label label_;
-  LLabel* replacement_;
-};
-
-
-class LParameter final : public LTemplateInstruction<1, 0, 0> {
- public:
-  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
-  DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
-};
-
-
-class LCallStub final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallStub(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
-  DECLARE_HYDROGEN_ACCESSOR(CallStub)
-};
-
-
-class LUnknownOSRValue final : public LTemplateInstruction<1, 0, 0> {
- public:
-  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
-  DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value")
-};
-
-
-template<int I, int T>
-class LControlInstruction: public LTemplateInstruction<0, I, T> {
- public:
-  LControlInstruction() : false_label_(NULL), true_label_(NULL) { }
-
-  bool IsControl() const final { return true; }
-
-  int SuccessorCount() { return hydrogen()->SuccessorCount(); }
-  HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); }
-
-  int TrueDestination(LChunk* chunk) {
-    return chunk->LookupDestination(true_block_id());
-  }
-  int FalseDestination(LChunk* chunk) {
-    return chunk->LookupDestination(false_block_id());
-  }
-
-  Label* TrueLabel(LChunk* chunk) {
-    if (true_label_ == NULL) {
-      true_label_ = chunk->GetAssemblyLabel(TrueDestination(chunk));
-    }
-    return true_label_;
-  }
-  Label* FalseLabel(LChunk* chunk) {
-    if (false_label_ == NULL) {
-      false_label_ = chunk->GetAssemblyLabel(FalseDestination(chunk));
-    }
-    return false_label_;
-  }
-
- protected:
-  int true_block_id() { return SuccessorAt(0)->block_id(); }
-  int false_block_id() { return SuccessorAt(1)->block_id(); }
-
- private:
-  HControlInstruction* hydrogen() {
-    return HControlInstruction::cast(this->hydrogen_value());
-  }
-
-  Label* false_label_;
-  Label* true_label_;
-};
-
-
-class LWrapReceiver final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LWrapReceiver(LOperand* receiver,
-                LOperand* function,
-                LOperand* temp) {
-    inputs_[0] = receiver;
-    inputs_[1] = function;
-    temps_[0] = temp;
-  }
-
-  LOperand* receiver() { return inputs_[0]; }
-  LOperand* function() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver")
-  DECLARE_HYDROGEN_ACCESSOR(WrapReceiver)
-};
-
-
-class LApplyArguments final : public LTemplateInstruction<1, 4, 0> {
- public:
-  LApplyArguments(LOperand* function,
-                  LOperand* receiver,
-                  LOperand* length,
-                  LOperand* elements) {
-    inputs_[0] = function;
-    inputs_[1] = receiver;
-    inputs_[2] = length;
-    inputs_[3] = elements;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-  LOperand* receiver() { return inputs_[1]; }
-  LOperand* length() { return inputs_[2]; }
-  LOperand* elements() { return inputs_[3]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
-};
-
-
-class LAccessArgumentsAt final : public LTemplateInstruction<1, 3, 0> {
- public:
-  LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) {
-    inputs_[0] = arguments;
-    inputs_[1] = length;
-    inputs_[2] = index;
-  }
-
-  LOperand* arguments() { return inputs_[0]; }
-  LOperand* length() { return inputs_[1]; }
-  LOperand* index() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LArgumentsLength final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LArgumentsLength(LOperand* elements) {
-    inputs_[0] = elements;
-  }
-
-  LOperand* elements() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
-};
-
-
-class LArgumentsElements final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
-  DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements)
-};
-
-
-class LDebugBreak final : public LTemplateInstruction<0, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
-};
-
-
-class LModByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
- public:
-  LModByPowerOf2I(LOperand* dividend, int32_t divisor) {
-    inputs_[0] = dividend;
-    divisor_ = divisor;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  int32_t divisor() const { return divisor_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ModByPowerOf2I, "mod-by-power-of-2-i")
-  DECLARE_HYDROGEN_ACCESSOR(Mod)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LModByConstI final : public LTemplateInstruction<1, 1, 2> {
- public:
-  LModByConstI(LOperand* dividend,
-               int32_t divisor,
-               LOperand* temp1,
-               LOperand* temp2) {
-    inputs_[0] = dividend;
-    divisor_ = divisor;
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  int32_t divisor() const { return divisor_; }
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i")
-  DECLARE_HYDROGEN_ACCESSOR(Mod)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LModI final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LModI(LOperand* left, LOperand* right, LOperand* temp) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-    temps_[0] = temp;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
-  DECLARE_HYDROGEN_ACCESSOR(Mod)
-};
-
-
-class LDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
- public:
-  LDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
-    inputs_[0] = dividend;
-    divisor_ = divisor;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  int32_t divisor() const { return divisor_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DivByPowerOf2I, "div-by-power-of-2-i")
-  DECLARE_HYDROGEN_ACCESSOR(Div)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LDivByConstI final : public LTemplateInstruction<1, 1, 2> {
- public:
-  LDivByConstI(LOperand* dividend,
-               int32_t divisor,
-               LOperand* temp1,
-               LOperand* temp2) {
-    inputs_[0] = dividend;
-    divisor_ = divisor;
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  int32_t divisor() const { return divisor_; }
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i")
-  DECLARE_HYDROGEN_ACCESSOR(Div)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LDivI final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
-    inputs_[0] = dividend;
-    inputs_[1] = divisor;
-    temps_[0] = temp;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  LOperand* divisor() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
-  DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
-};
-
-
-class LFlooringDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
- public:
-  LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
-    inputs_[0] = dividend;
-    divisor_ = divisor;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  int32_t divisor() const { return divisor_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I,
-                               "flooring-div-by-power-of-2-i")
-  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LFlooringDivByConstI final : public LTemplateInstruction<1, 1, 3> {
- public:
-  LFlooringDivByConstI(LOperand* dividend,
-                       int32_t divisor,
-                       LOperand* temp1,
-                       LOperand* temp2,
-                       LOperand* temp3) {
-    inputs_[0] = dividend;
-    divisor_ = divisor;
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-    temps_[2] = temp3;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  int32_t divisor() const { return divisor_; }
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-  LOperand* temp3() { return temps_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i")
-  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LFlooringDivI final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LFlooringDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
-    inputs_[0] = dividend;
-    inputs_[1] = divisor;
-    temps_[0] = temp;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  LOperand* divisor() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
-  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
-};
-
-
-class LMulI final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LMulI(LOperand* left, LOperand* right, LOperand* temp) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-    temps_[0] = temp;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
-  DECLARE_HYDROGEN_ACCESSOR(Mul)
-};
-
-
-class LCompareNumericAndBranch final : public LControlInstruction<2, 0> {
- public:
-  LCompareNumericAndBranch(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch,
-                               "compare-numeric-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch)
-
-  Token::Value op() const { return hydrogen()->token(); }
-  bool is_double() const {
-    return hydrogen()->representation().IsDouble();
-  }
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LMathFloor final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathFloor(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
-};
-
-
-class LMathRound final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LMathRound(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
-};
-
-
-class LMathFround final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathFround(LOperand* value) { inputs_[0] = value; }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
-};
-
-
-class LMathAbs final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LMathAbs(LOperand* context, LOperand* value) {
-    inputs_[1] = context;
-    inputs_[0] = value;
-  }
-
-  LOperand* context() { return inputs_[1]; }
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathAbs, "math-abs")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
-};
-
-
-class LMathLog final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathLog(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
-};
-
-
-class LMathClz32 final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathClz32(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
-};
-
-
-class LMathExp final : public LTemplateInstruction<1, 1, 2> {
- public:
-  LMathExp(LOperand* value,
-           LOperand* temp1,
-           LOperand* temp2) {
-    inputs_[0] = value;
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-    ExternalReference::InitializeMathExpData();
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
-};
-
-
-class LMathSqrt final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathSqrt(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
-};
-
-
-class LMathPowHalf final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LMathPowHalf(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half")
-};
-
-
-class LCmpObjectEqAndBranch final : public LControlInstruction<2, 0> {
- public:
-  LCmpObjectEqAndBranch(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch, "cmp-object-eq-and-branch")
-};
-
-
-class LCmpHoleAndBranch final : public LControlInstruction<1, 0> {
- public:
-  explicit LCmpHoleAndBranch(LOperand* object) {
-    inputs_[0] = object;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranch, "cmp-hole-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch)
-};
-
-
-class LCompareMinusZeroAndBranch final : public LControlInstruction<1, 1> {
- public:
-  LCompareMinusZeroAndBranch(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CompareMinusZeroAndBranch,
-                               "cmp-minus-zero-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(CompareMinusZeroAndBranch)
-};
-
-
-class LIsStringAndBranch final : public LControlInstruction<1, 1> {
- public:
-  LIsStringAndBranch(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LIsSmiAndBranch final : public LControlInstruction<1, 0> {
- public:
-  explicit LIsSmiAndBranch(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LIsUndetectableAndBranch final : public LControlInstruction<1, 1> {
- public:
-  LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
-                               "is-undetectable-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LStringCompareAndBranch final : public LControlInstruction<3, 0> {
- public:
-  LStringCompareAndBranch(LOperand* context, LOperand* left, LOperand* right) {
-    inputs_[0] = context;
-    inputs_[1] = left;
-    inputs_[2] = right;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* left() { return inputs_[1]; }
-  LOperand* right() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch,
-                               "string-compare-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  Token::Value op() const { return hydrogen()->token(); }
-};
-
-
-class LHasInstanceTypeAndBranch final : public LControlInstruction<1, 1> {
- public:
-  LHasInstanceTypeAndBranch(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
-                               "has-instance-type-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LGetCachedArrayIndex final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LGetCachedArrayIndex(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
-  DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
-};
-
-
-class LHasCachedArrayIndexAndBranch final : public LControlInstruction<1, 0> {
- public:
-  explicit LHasCachedArrayIndexAndBranch(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch,
-                               "has-cached-array-index-and-branch")
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LIsConstructCallAndBranch final : public LControlInstruction<0, 1> {
- public:
-  explicit LIsConstructCallAndBranch(LOperand* temp) {
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
-                               "is-construct-call-and-branch")
-};
-
-
-class LClassOfTestAndBranch final : public LControlInstruction<1, 2> {
- public:
-  LClassOfTestAndBranch(LOperand* value, LOperand* temp, LOperand* temp2) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-    temps_[1] = temp2;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
-                               "class-of-test-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LCmpT final : public LTemplateInstruction<1, 3, 0> {
- public:
-  LCmpT(LOperand* context, LOperand* left, LOperand* right) {
-    inputs_[0] = context;
-    inputs_[1] = left;
-    inputs_[2] = right;
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
-  DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)
-
-  Strength strength() { return hydrogen()->strength(); }
-
-  LOperand* context() { return inputs_[0]; }
-  Token::Value op() const { return hydrogen()->token(); }
-};
-
-
-class LInstanceOf final : public LTemplateInstruction<1, 3, 0> {
- public:
-  LInstanceOf(LOperand* context, LOperand* left, LOperand* right) {
-    inputs_[0] = context;
-    inputs_[1] = left;
-    inputs_[2] = right;
-  }
-
-  LOperand* context() const { return inputs_[0]; }
-  LOperand* left() const { return inputs_[1]; }
-  LOperand* right() const { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of")
-};
-
-
-class LHasInPrototypeChainAndBranch final : public LControlInstruction<2, 1> {
- public:
-  LHasInPrototypeChainAndBranch(LOperand* object, LOperand* prototype,
-                                LOperand* scratch) {
-    inputs_[0] = object;
-    inputs_[1] = prototype;
-    temps_[0] = scratch;
-  }
-
-  LOperand* object() const { return inputs_[0]; }
-  LOperand* prototype() const { return inputs_[1]; }
-  LOperand* scratch() const { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(HasInPrototypeChainAndBranch,
-                               "has-in-prototype-chain-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(HasInPrototypeChainAndBranch)
-};
-
-
-class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> {
- public:
-  LBoundsCheck(LOperand* index, LOperand* length) {
-    inputs_[0] = index;
-    inputs_[1] = length;
-  }
-
-  LOperand* index() { return inputs_[0]; }
-  LOperand* length() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
-  DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
-};
-
-
-class LBitI final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LBitI(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
-  DECLARE_HYDROGEN_ACCESSOR(Bitwise)
-
-  Token::Value op() const { return hydrogen()->op(); }
-};
-
-
-class LShiftI final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
-      : op_(op), can_deopt_(can_deopt) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")
-
-  Token::Value op() const { return op_; }
-  bool can_deopt() const { return can_deopt_; }
-
- private:
-  Token::Value op_;
-  bool can_deopt_;
-};
-
-
-class LSubI final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LSubI(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
-  DECLARE_HYDROGEN_ACCESSOR(Sub)
-};
-
-
-class LConstantI final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  int32_t value() const { return hydrogen()->Integer32Value(); }
-};
-
-
-class LConstantS final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
-};
-
-
-class LConstantD final : public LTemplateInstruction<1, 0, 1> {
- public:
-  explicit LConstantD(LOperand* temp) {
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  uint64_t bits() const { return hydrogen()->DoubleValueAsBits(); }
-};
-
-
-class LConstantE final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  ExternalReference value() const {
-    return hydrogen()->ExternalReferenceValue();
-  }
-};
-
-
-class LConstantT final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  Handle<Object> value(Isolate* isolate) const {
-    return hydrogen()->handle(isolate);
-  }
-};
-
-
-class LBranch final : public LControlInstruction<1, 1> {
- public:
-  LBranch(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
-  DECLARE_HYDROGEN_ACCESSOR(Branch)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LCmpMapAndBranch final : public LControlInstruction<1, 0> {
- public:
-  explicit LCmpMapAndBranch(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(CompareMap)
-
-  Handle<Map> map() const { return hydrogen()->map().handle(); }
-};
-
-
-class LMapEnumLength final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMapEnumLength(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length")
-};
-
-
-class LDateField final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LDateField(LOperand* date, LOperand* temp, Smi* index)
-      : index_(index) {
-    inputs_[0] = date;
-    temps_[0] = temp;
-  }
-
-  LOperand* date() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
-  DECLARE_HYDROGEN_ACCESSOR(DateField)
-
-  Smi* index() const { return index_; }
-
- private:
-  Smi* index_;
-};
-
-
-class LSeqStringGetChar final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LSeqStringGetChar(LOperand* string, LOperand* index) {
-    inputs_[0] = string;
-    inputs_[1] = index;
-  }
-
-  LOperand* string() const { return inputs_[0]; }
-  LOperand* index() const { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
-  DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
-};
-
-
-class LSeqStringSetChar final : public LTemplateInstruction<1, 4, 0> {
- public:
-  LSeqStringSetChar(LOperand* context,
-                    LOperand* string,
-                    LOperand* index,
-                    LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = string;
-    inputs_[2] = index;
-    inputs_[3] = value;
-  }
-
-  LOperand* string() { return inputs_[1]; }
-  LOperand* index() { return inputs_[2]; }
-  LOperand* value() { return inputs_[3]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SeqStringSetChar, "seq-string-set-char")
-  DECLARE_HYDROGEN_ACCESSOR(SeqStringSetChar)
-};
-
-
-class LAddI final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LAddI(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  static bool UseLea(HAdd* add) {
-    return !add->CheckFlag(HValue::kCanOverflow) &&
-        add->BetterLeftOperand()->UseCount() > 1;
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
-  DECLARE_HYDROGEN_ACCESSOR(Add)
-};
-
-
-class LMathMinMax final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LMathMinMax(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathMinMax, "math-min-max")
-  DECLARE_HYDROGEN_ACCESSOR(MathMinMax)
-};
-
-
-class LPower final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LPower(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Power, "power")
-  DECLARE_HYDROGEN_ACCESSOR(Power)
-};
-
-
-class LArithmeticD final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LArithmeticD(Token::Value op, LOperand* left, LOperand* right)
-      : op_(op) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  Token::Value op() const { return op_; }
-
-  Opcode opcode() const override { return LInstruction::kArithmeticD; }
-  void CompileToNative(LCodeGen* generator) override;
-  const char* Mnemonic() const override;
-
- private:
-  Token::Value op_;
-};
-
-
-class LArithmeticT final : public LTemplateInstruction<1, 3, 0> {
- public:
-  LArithmeticT(Token::Value op,
-               LOperand* context,
-               LOperand* left,
-               LOperand* right)
-      : op_(op) {
-    inputs_[0] = context;
-    inputs_[1] = left;
-    inputs_[2] = right;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* left() { return inputs_[1]; }
-  LOperand* right() { return inputs_[2]; }
-  Token::Value op() const { return op_; }
-
-  Opcode opcode() const override { return LInstruction::kArithmeticT; }
-  void CompileToNative(LCodeGen* generator) override;
-  const char* Mnemonic() const override;
-
-  DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
-
-  Strength strength() { return hydrogen()->strength(); }
-
- private:
-  Token::Value op_;
-};
-
-
-class LReturn final : public LTemplateInstruction<0, 3, 0> {
- public:
-  explicit LReturn(LOperand* value,
-                   LOperand* context,
-                   LOperand* parameter_count) {
-    inputs_[0] = value;
-    inputs_[1] = context;
-    inputs_[2] = parameter_count;
-  }
-
-  bool has_constant_parameter_count() {
-    return parameter_count()->IsConstantOperand();
-  }
-  LConstantOperand* constant_parameter_count() {
-    DCHECK(has_constant_parameter_count());
-    return LConstantOperand::cast(parameter_count());
-  }
-  LOperand* parameter_count() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Return, "return")
-  DECLARE_HYDROGEN_ACCESSOR(Return)
-};
-
-
-class LLoadNamedField final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LLoadNamedField(LOperand* object) {
-    inputs_[0] = object;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
-  DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
-};
-
-
-class LLoadNamedGeneric final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    temps_[0] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* temp_vector() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
-
-  Handle<Object> name() const { return hydrogen()->name(); }
-};
-
-
-class LLoadFunctionPrototype final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LLoadFunctionPrototype(LOperand* function, LOperand* temp) {
-    inputs_[0] = function;
-    temps_[0] = temp;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
-  DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
-};
-
-
-class LLoadRoot final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
-  DECLARE_HYDROGEN_ACCESSOR(LoadRoot)
-
-  Heap::RootListIndex index() const { return hydrogen()->index(); }
-};
-
-
-class LLoadKeyed final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LLoadKeyed(LOperand* elements, LOperand* key) {
-    inputs_[0] = elements;
-    inputs_[1] = key;
-  }
-  LOperand* elements() { return inputs_[0]; }
-  LOperand* key() { return inputs_[1]; }
-  ElementsKind elements_kind() const {
-    return hydrogen()->elements_kind();
-  }
-  bool is_fixed_typed_array() const {
-    return hydrogen()->is_fixed_typed_array();
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed")
-  DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
-
-  void PrintDataTo(StringStream* stream) override;
-  uint32_t base_offset() const { return hydrogen()->base_offset(); }
-  bool key_is_smi() {
-    return hydrogen()->key()->representation().IsTagged();
-  }
-};
-
-
-inline static bool ExternalArrayOpRequiresTemp(
-    Representation key_representation,
-    ElementsKind elements_kind) {
-  // Operations that require the key to be divided by two to be converted into
-  // an index cannot fold the scale operation into a load and need an extra
-  // temp register to do the work.
-  return key_representation.IsSmi() &&
-         (elements_kind == UINT8_ELEMENTS || elements_kind == INT8_ELEMENTS ||
-          elements_kind == UINT8_CLAMPED_ELEMENTS);
-}
-
-
-class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
- public:
-  LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key,
-                    LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = obj;
-    inputs_[2] = key;
-    temps_[0] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* key() { return inputs_[2]; }
-  LOperand* temp_vector() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
-};
-
-
-class LLoadGlobalGeneric final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LLoadGlobalGeneric(LOperand* context, LOperand* global_object,
-                     LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = global_object;
-    temps_[0] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* global_object() { return inputs_[1]; }
-  LOperand* temp_vector() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
-
-  Handle<Object> name() const { return hydrogen()->name(); }
-  TypeofMode typeof_mode() const { return hydrogen()->typeof_mode(); }
-};
-
-
-class LLoadGlobalViaContext final : public LTemplateInstruction<1, 1, 1> {
- public:
-  explicit LLoadGlobalViaContext(LOperand* context) { inputs_[0] = context; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalViaContext, "load-global-via-context")
-  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalViaContext)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  LOperand* context() { return inputs_[0]; }
-
-  int depth() const { return hydrogen()->depth(); }
-  int slot_index() const { return hydrogen()->slot_index(); }
-};
-
-
-class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LLoadContextSlot(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
-  DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)
-
-  int slot_index() { return hydrogen()->slot_index(); }
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LStoreContextSlot final : public LTemplateInstruction<0, 2, 1> {
- public:
-  LStoreContextSlot(LOperand* context, LOperand* value, LOperand* temp) {
-    inputs_[0] = context;
-    inputs_[1] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
-  DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)
-
-  int slot_index() { return hydrogen()->slot_index(); }
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LPushArgument final : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LPushArgument(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
-};
-
-
-class LDrop final : public LTemplateInstruction<0, 0, 0> {
- public:
-  explicit LDrop(int count) : count_(count) { }
-
-  int count() const { return count_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")
-
- private:
-  int count_;
-};
-
-
-class LStoreCodeEntry final : public LTemplateInstruction<0, 2, 0> {
- public:
-  LStoreCodeEntry(LOperand* function, LOperand* code_object) {
-    inputs_[0] = function;
-    inputs_[1] = code_object;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-  LOperand* code_object() { return inputs_[1]; }
-
-  void PrintDataTo(StringStream* stream) override;
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
-  DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
-};
-
-
-class LInnerAllocatedObject final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LInnerAllocatedObject(LOperand* base_object, LOperand* offset) {
-    inputs_[0] = base_object;
-    inputs_[1] = offset;
-  }
-
-  LOperand* base_object() const { return inputs_[0]; }
-  LOperand* offset() const { return inputs_[1]; }
-
-  void PrintDataTo(StringStream* stream) override;
-
-  DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
-};
-
-
-class LThisFunction final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
-  DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
-};
-
-
-class LContext final : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(Context, "context")
-  DECLARE_HYDROGEN_ACCESSOR(Context)
-};
-
-
-class LDeclareGlobals final : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LDeclareGlobals(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
-  DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
-};
-
-
-class LCallJSFunction final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallJSFunction(LOperand* function) {
-    inputs_[0] = function;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
- public:
-  LCallWithDescriptor(CallInterfaceDescriptor descriptor,
-                      const ZoneList<LOperand*>& operands, Zone* zone)
-      : inputs_(descriptor.GetRegisterParameterCount() +
-                    kImplicitRegisterParameterCount,
-                zone) {
-    DCHECK(descriptor.GetRegisterParameterCount() +
-               kImplicitRegisterParameterCount ==
-           operands.length());
-    inputs_.AddAll(operands, zone);
-  }
-
-  LOperand* target() const { return inputs_[0]; }
-
-  DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)
-
-  // The target and context are passed as implicit parameters that are not
-  // explicitly listed in the descriptor.
-  static const int kImplicitRegisterParameterCount = 2;
-
- private:
-  DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-
-  ZoneList<LOperand*> inputs_;
-
-  // Iterator support.
-  int InputCount() final { return inputs_.length(); }
-  LOperand* InputAt(int i) final { return inputs_[i]; }
-
-  int TempCount() final { return 0; }
-  LOperand* TempAt(int i) final { return NULL; }
-};
-
-
-class LInvokeFunction final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LInvokeFunction(LOperand* context, LOperand* function) {
-    inputs_[0] = context;
-    inputs_[1] = function;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* function() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function")
-  DECLARE_HYDROGEN_ACCESSOR(InvokeFunction)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallFunction final : public LTemplateInstruction<1, 2, 2> {
- public:
-  LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
-                LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = function;
-    temps_[0] = slot;
-    temps_[1] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* function() { return inputs_[1]; }
-  LOperand* temp_slot() { return temps_[0]; }
-  LOperand* temp_vector() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallFunction)
-
-  void PrintDataTo(StringStream* stream) override;
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallNew final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LCallNew(LOperand* context, LOperand* constructor) {
-    inputs_[0] = context;
-    inputs_[1] = constructor;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* constructor() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new")
-  DECLARE_HYDROGEN_ACCESSOR(CallNew)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallNewArray final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LCallNewArray(LOperand* context, LOperand* constructor) {
-    inputs_[0] = context;
-    inputs_[1] = constructor;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* constructor() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallNewArray, "call-new-array")
-  DECLARE_HYDROGEN_ACCESSOR(CallNewArray)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallRuntime final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallRuntime(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
-  DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
-
-  bool ClobbersDoubleRegisters(Isolate* isolate) const override {
-    return save_doubles() == kDontSaveFPRegs;
-  }
-
-  const Runtime::Function* function() const { return hydrogen()->function(); }
-  int arity() const { return hydrogen()->argument_count(); }
-  SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); }
-};
-
-
-class LInteger32ToDouble final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LInteger32ToDouble(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
-};
-
-
-class LUint32ToDouble final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LUint32ToDouble(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
-};
-
-
-class LNumberTagI final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LNumberTagI(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(NumberTagI, "number-tag-i")
-};
-
-
-class LNumberTagU final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LNumberTagU(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u")
-};
-
-
-class LNumberTagD final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LNumberTagD(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
-  DECLARE_HYDROGEN_ACCESSOR(Change)
-};
-
-
-// Sometimes truncating conversion from a tagged value to an int32.
-class LDoubleToI final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LDoubleToI(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
-
-  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
-};
-
-
-class LDoubleToSmi final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LDoubleToSmi(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
-};
-
-
-// Truncating conversion from a tagged value to an int32.
-class LTaggedToI final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LTaggedToI(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
-  DECLARE_HYDROGEN_ACCESSOR(Change)
-
-  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
-};
-
-
-class LSmiTag final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LSmiTag(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
-  DECLARE_HYDROGEN_ACCESSOR(Change)
-};
-
-
-class LNumberUntagD final : public LTemplateInstruction<1, 1, 1> {
- public:
-  explicit LNumberUntagD(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
-  DECLARE_HYDROGEN_ACCESSOR(Change);
-};
-
-
-class LSmiUntag final : public LTemplateInstruction<1, 1, 0> {
- public:
-  LSmiUntag(LOperand* value, bool needs_check)
-      : needs_check_(needs_check) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
-
-  bool needs_check() const { return needs_check_; }
-
- private:
-  bool needs_check_;
-};
-
-
-class LStoreNamedField final : public LTemplateInstruction<0, 2, 2> {
- public:
-  LStoreNamedField(LOperand* obj,
-                   LOperand* val,
-                   LOperand* temp,
-                   LOperand* temp_map) {
-    inputs_[0] = obj;
-    inputs_[1] = val;
-    temps_[0] = temp;
-    temps_[1] = temp_map;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-  LOperand* temp_map() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
-  DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LStoreNamedGeneric final : public LTemplateInstruction<0, 3, 2> {
- public:
-  LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value,
-                     LOperand* slot, LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    inputs_[2] = value;
-    temps_[0] = slot;
-    temps_[1] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* value() { return inputs_[2]; }
-  LOperand* temp_slot() { return temps_[0]; }
-  LOperand* temp_vector() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
-  DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)
-
-  void PrintDataTo(StringStream* stream) override;
-  Handle<Object> name() const { return hydrogen()->name(); }
-  LanguageMode language_mode() { return hydrogen()->language_mode(); }
-};
-
-
-class LStoreGlobalViaContext final : public LTemplateInstruction<0, 2, 0> {
- public:
-  LStoreGlobalViaContext(LOperand* context, LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = value;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreGlobalViaContext,
-                               "store-global-via-context")
-  DECLARE_HYDROGEN_ACCESSOR(StoreGlobalViaContext)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int depth() { return hydrogen()->depth(); }
-  int slot_index() { return hydrogen()->slot_index(); }
-  LanguageMode language_mode() { return hydrogen()->language_mode(); }
-};
-
-
-class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> {
- public:
-  LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) {
-    inputs_[0] = obj;
-    inputs_[1] = key;
-    inputs_[2] = val;
-  }
-
-  bool is_fixed_typed_array() const {
-    return hydrogen()->is_fixed_typed_array();
-  }
-  LOperand* elements() { return inputs_[0]; }
-  LOperand* key() { return inputs_[1]; }
-  LOperand* value() { return inputs_[2]; }
-  ElementsKind elements_kind() const {
-    return hydrogen()->elements_kind();
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed")
-  DECLARE_HYDROGEN_ACCESSOR(StoreKeyed)
-
-  void PrintDataTo(StringStream* stream) override;
-  uint32_t base_offset() const { return hydrogen()->base_offset(); }
-  bool NeedsCanonicalization() { return hydrogen()->NeedsCanonicalization(); }
-};
-
-
-class LStoreKeyedGeneric final : public LTemplateInstruction<0, 4, 2> {
- public:
-  LStoreKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
-                     LOperand* value, LOperand* slot, LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    inputs_[2] = key;
-    inputs_[3] = value;
-    temps_[0] = slot;
-    temps_[1] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* key() { return inputs_[2]; }
-  LOperand* value() { return inputs_[3]; }
-  LOperand* temp_slot() { return temps_[0]; }
-  LOperand* temp_vector() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
-  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  LanguageMode language_mode() { return hydrogen()->language_mode(); }
-};
-
-
-class LTransitionElementsKind final : public LTemplateInstruction<0, 2, 2> {
- public:
-  LTransitionElementsKind(LOperand* object,
-                          LOperand* context,
-                          LOperand* new_map_temp,
-                          LOperand* temp) {
-    inputs_[0] = object;
-    inputs_[1] = context;
-    temps_[0] = new_map_temp;
-    temps_[1] = temp;
-  }
-
-  LOperand* context() { return inputs_[1]; }
-  LOperand* object() { return inputs_[0]; }
-  LOperand* new_map_temp() { return temps_[0]; }
-  LOperand* temp() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
-                               "transition-elements-kind")
-  DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  Handle<Map> original_map() { return hydrogen()->original_map().handle(); }
-  Handle<Map> transitioned_map() {
-    return hydrogen()->transitioned_map().handle();
-  }
-  ElementsKind from_kind() { return hydrogen()->from_kind(); }
-  ElementsKind to_kind() { return hydrogen()->to_kind(); }
-};
-
-
-class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 1> {
- public:
-  LTrapAllocationMemento(LOperand* object,
-                         LOperand* temp) {
-    inputs_[0] = object;
-    temps_[0] = temp;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento,
-                               "trap-allocation-memento")
-};
-
-
-class LMaybeGrowElements final : public LTemplateInstruction<1, 5, 0> {
- public:
-  LMaybeGrowElements(LOperand* context, LOperand* object, LOperand* elements,
-                     LOperand* key, LOperand* current_capacity) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    inputs_[2] = elements;
-    inputs_[3] = key;
-    inputs_[4] = current_capacity;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* elements() { return inputs_[2]; }
-  LOperand* key() { return inputs_[3]; }
-  LOperand* current_capacity() { return inputs_[4]; }
-
-  DECLARE_HYDROGEN_ACCESSOR(MaybeGrowElements)
-  DECLARE_CONCRETE_INSTRUCTION(MaybeGrowElements, "maybe-grow-elements")
-};
-
-
-class LStringAdd final : public LTemplateInstruction<1, 3, 0> {
- public:
-  LStringAdd(LOperand* context, LOperand* left, LOperand* right) {
-    inputs_[0] = context;
-    inputs_[1] = left;
-    inputs_[2] = right;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* left() { return inputs_[1]; }
-  LOperand* right() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add")
-  DECLARE_HYDROGEN_ACCESSOR(StringAdd)
-};
-
-
-class LStringCharCodeAt final : public LTemplateInstruction<1, 3, 0> {
- public:
-  LStringCharCodeAt(LOperand* context, LOperand* string, LOperand* index) {
-    inputs_[0] = context;
-    inputs_[1] = string;
-    inputs_[2] = index;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* string() { return inputs_[1]; }
-  LOperand* index() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at")
-  DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt)
-};
-
-
-class LStringCharFromCode final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LStringCharFromCode(LOperand* context, LOperand* char_code) {
-    inputs_[0] = context;
-    inputs_[1] = char_code;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* char_code() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code")
-  DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode)
-};
-
-
-class LCheckValue final : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LCheckValue(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
-  DECLARE_HYDROGEN_ACCESSOR(CheckValue)
-};
-
-
-class LCheckArrayBufferNotNeutered final
-    : public LTemplateInstruction<0, 1, 1> {
- public:
-  explicit LCheckArrayBufferNotNeutered(LOperand* view, LOperand* scratch) {
-    inputs_[0] = view;
-    temps_[0] = scratch;
-  }
-
-  LOperand* view() { return inputs_[0]; }
-  LOperand* scratch() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckArrayBufferNotNeutered,
-                               "check-array-buffer-not-neutered")
-  DECLARE_HYDROGEN_ACCESSOR(CheckArrayBufferNotNeutered)
-};
-
-
-class LCheckInstanceType final : public LTemplateInstruction<0, 1, 1> {
- public:
-  LCheckInstanceType(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
-  DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
-};
-
-
-class LCheckMaps final : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LCheckMaps(LOperand* value = NULL) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps")
-  DECLARE_HYDROGEN_ACCESSOR(CheckMaps)
-};
-
-
-class LCheckSmi final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCheckSmi(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
-};
-
-
-class LClampDToUint8 final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LClampDToUint8(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* unclamped() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
-};
-
-
-class LClampIToUint8 final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LClampIToUint8(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* unclamped() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
-};
-
-
-class LClampTToUint8 final : public LTemplateInstruction<1, 1, 1> {
- public:
-  LClampTToUint8(LOperand* value, LOperand* temp_xmm) {
-    inputs_[0] = value;
-    temps_[0] = temp_xmm;
-  }
-
-  LOperand* unclamped() { return inputs_[0]; }
-  LOperand* temp_xmm() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
-};
-
-
-class LCheckNonSmi final : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LCheckNonSmi(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
-  DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
-};
-
-
-class LDoubleBits final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LDoubleBits(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
-  DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
-};
-
-
-class LConstructDouble final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LConstructDouble(LOperand* hi, LOperand* lo) {
-    inputs_[0] = hi;
-    inputs_[1] = lo;
-  }
-
-  LOperand* hi() { return inputs_[0]; }
-  LOperand* lo() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double")
-};
-
-
-class LAllocate final : public LTemplateInstruction<1, 2, 1> {
- public:
-  LAllocate(LOperand* context, LOperand* size, LOperand* temp) {
-    inputs_[0] = context;
-    inputs_[1] = size;
-    temps_[0] = temp;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* size() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
-  DECLARE_HYDROGEN_ACCESSOR(Allocate)
-};
-
-
-class LRegExpLiteral final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LRegExpLiteral(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
-  DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
-};
-
-
-class LToFastProperties final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LToFastProperties(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
-  DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
-};
-
-
-class LTypeof final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LTypeof(LOperand* context, LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = value;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
-};
-
-
-class LTypeofIsAndBranch final : public LControlInstruction<1, 0> {
- public:
-  explicit LTypeofIsAndBranch(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch)
-
-  Handle<String> type_literal() { return hydrogen()->type_literal(); }
-
-  void PrintDataTo(StringStream* stream) override;
-};
-
-
-class LOsrEntry final : public LTemplateInstruction<0, 0, 0> {
- public:
-  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
-  DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
-};
-
-
-class LStackCheck final : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LStackCheck(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
-  DECLARE_HYDROGEN_ACCESSOR(StackCheck)
-
-  Label* done_label() { return &done_label_; }
-
- private:
-  Label done_label_;
-};
-
-
-class LForInPrepareMap final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LForInPrepareMap(LOperand* context, LOperand* object) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ForInPrepareMap, "for-in-prepare-map")
-};
-
-
-class LForInCacheArray final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LForInCacheArray(LOperand* map) {
-    inputs_[0] = map;
-  }
-
-  LOperand* map() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ForInCacheArray, "for-in-cache-array")
-
-  int idx() {
-    return HForInCacheArray::cast(this->hydrogen_value())->idx();
-  }
-};
-
-
-class LCheckMapValue final : public LTemplateInstruction<0, 2, 0> {
- public:
-  LCheckMapValue(LOperand* value, LOperand* map) {
-    inputs_[0] = value;
-    inputs_[1] = map;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* map() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckMapValue, "check-map-value")
-};
-
-
-class LLoadFieldByIndex final : public LTemplateInstruction<1, 2, 0> {
- public:
-  LLoadFieldByIndex(LOperand* object, LOperand* index) {
-    inputs_[0] = object;
-    inputs_[1] = index;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-  LOperand* index() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index")
-};
-
-
-class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LStoreFrameContext(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context")
-};
-
-
-class LAllocateBlockContext: public LTemplateInstruction<1, 2, 0> {
- public:
-  LAllocateBlockContext(LOperand* context, LOperand* function) {
-    inputs_[0] = context;
-    inputs_[1] = function;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* function() { return inputs_[1]; }
-
-  Handle<ScopeInfo> scope_info() { return hydrogen()->scope_info(); }
-
-  DECLARE_CONCRETE_INSTRUCTION(AllocateBlockContext, "allocate-block-context")
-  DECLARE_HYDROGEN_ACCESSOR(AllocateBlockContext)
-};
-
-
-class LChunkBuilder;
-class LPlatformChunk final : public LChunk {
- public:
-  LPlatformChunk(CompilationInfo* info, HGraph* graph)
-      : LChunk(info, graph),
-        num_double_slots_(0) { }
-
-  int GetNextSpillIndex(RegisterKind kind);
-  LOperand* GetNextSpillSlot(RegisterKind kind);
-
-  int num_double_slots() const { return num_double_slots_; }
-
- private:
-  int num_double_slots_;
-};
-
-
-class LChunkBuilder final : public LChunkBuilderBase {
- public:
-  LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
-      : LChunkBuilderBase(info, graph),
-        current_instruction_(NULL),
-        current_block_(NULL),
-        next_block_(NULL),
-        allocator_(allocator) {}
-
-  // Build the sequence for the graph.
-  LPlatformChunk* Build();
-
-  // Declare methods that deal with the individual node types.
-#define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
-  HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
-#undef DECLARE_DO
-
-  LInstruction* DoMathFloor(HUnaryMathOperation* instr);
-  LInstruction* DoMathRound(HUnaryMathOperation* instr);
-  LInstruction* DoMathFround(HUnaryMathOperation* instr);
-  LInstruction* DoMathAbs(HUnaryMathOperation* instr);
-  LInstruction* DoMathLog(HUnaryMathOperation* instr);
-  LInstruction* DoMathExp(HUnaryMathOperation* instr);
-  LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
-  LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);
-  LInstruction* DoMathClz32(HUnaryMathOperation* instr);
-  LInstruction* DoDivByPowerOf2I(HDiv* instr);
-  LInstruction* DoDivByConstI(HDiv* instr);
-  LInstruction* DoDivI(HDiv* instr);
-  LInstruction* DoModByPowerOf2I(HMod* instr);
-  LInstruction* DoModByConstI(HMod* instr);
-  LInstruction* DoModI(HMod* instr);
-  LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
-  LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
-  LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);
-
- private:
-  // Methods for getting operands for Use / Define / Temp.
-  LUnallocated* ToUnallocated(Register reg);
-  LUnallocated* ToUnallocated(XMMRegister reg);
-
-  // Methods for setting up define-use relationships.
-  MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
-  MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
-  MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
-                                           XMMRegister fixed_register);
-
-  // A value that is guaranteed to be allocated to a register.
-  // Operand created by UseRegister is guaranteed to be live until the end of
-  // instruction. This means that register allocator will not reuse it's
-  // register for any other operand inside instruction.
-  // Operand created by UseRegisterAtStart is guaranteed to be live only at
-  // instruction start. Register allocator is free to assign the same register
-  // to some other operand used inside instruction (i.e. temporary or
-  // output).
-  MUST_USE_RESULT LOperand* UseRegister(HValue* value);
-  MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value);
-
-  // An input operand in a register that may be trashed.
-  MUST_USE_RESULT LOperand* UseTempRegister(HValue* value);
-
-  // An input operand in a register or stack slot.
-  MUST_USE_RESULT LOperand* Use(HValue* value);
-  MUST_USE_RESULT LOperand* UseAtStart(HValue* value);
-
-  // An input operand in a register, stack slot or a constant operand.
-  MUST_USE_RESULT LOperand* UseOrConstant(HValue* value);
-  MUST_USE_RESULT LOperand* UseOrConstantAtStart(HValue* value);
-
-  // An input operand in a fixed register or a constant operand.
-  MUST_USE_RESULT LOperand* UseFixedOrConstant(HValue* value,
-                                               Register fixed_register);
-
-  // An input operand in a register or a constant operand.
-  MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value);
-  MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value);
-
-  // An input operand in a constant operand.
-  MUST_USE_RESULT LOperand* UseConstant(HValue* value);
-
-  // An input operand in register, stack slot or a constant operand.
-  // Will not be moved to a register even if one is freely available.
-  MUST_USE_RESULT LOperand* UseAny(HValue* value) override;
-
-  // Temporary operand that must be in a register.
-  MUST_USE_RESULT LUnallocated* TempRegister();
-  MUST_USE_RESULT LOperand* FixedTemp(Register reg);
-  MUST_USE_RESULT LOperand* FixedTemp(XMMRegister reg);
-
-  // Methods for setting up define-use relationships.
-  // Return the same instruction that they are passed.
-  LInstruction* Define(LTemplateResultInstruction<1>* instr,
-                       LUnallocated* result);
-  LInstruction* DefineAsRegister(LTemplateResultInstruction<1>* instr);
-  LInstruction* DefineAsSpilled(LTemplateResultInstruction<1>* instr,
-                                int index);
-  LInstruction* DefineSameAsFirst(LTemplateResultInstruction<1>* instr);
-  LInstruction* DefineFixed(LTemplateResultInstruction<1>* instr,
-                            Register reg);
-  LInstruction* DefineFixedDouble(LTemplateResultInstruction<1>* instr,
-                                  XMMRegister reg);
-  // Assigns an environment to an instruction.  An instruction which can
-  // deoptimize must have an environment.
-  LInstruction* AssignEnvironment(LInstruction* instr);
-  // Assigns a pointer map to an instruction.  An instruction which can
-  // trigger a GC or a lazy deoptimization must have a pointer map.
-  LInstruction* AssignPointerMap(LInstruction* instr);
-
-  enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };
-
-  LOperand* GetSeqStringSetCharOperand(HSeqStringSetChar* instr);
-
-  // Marks a call for the register allocator.  Assigns a pointer map to
-  // support GC and lazy deoptimization.  Assigns an environment to support
-  // eager deoptimization if CAN_DEOPTIMIZE_EAGERLY.
-  LInstruction* MarkAsCall(
-      LInstruction* instr,
-      HInstruction* hinstr,
-      CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);
-
-  void VisitInstruction(HInstruction* current);
-  void AddInstruction(LInstruction* instr, HInstruction* current);
-
-  void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
-  LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
-  LInstruction* DoArithmeticD(Token::Value op,
-                              HArithmeticBinaryOperation* instr);
-  LInstruction* DoArithmeticT(Token::Value op,
-                              HBinaryOperation* instr);
-
-  LOperand* GetStoreKeyedValueOperand(HStoreKeyed* instr);
-
-  HInstruction* current_instruction_;
-  HBasicBlock* current_block_;
-  HBasicBlock* next_block_;
-  LAllocator* allocator_;
-
-  DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
-};
-
-#undef DECLARE_HYDROGEN_ACCESSOR
-#undef DECLARE_CONCRETE_INSTRUCTION
-
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_IA32_LITHIUM_IA32_H_