lithium-mips64.h 77.5 KB
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// 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_MIPS_LITHIUM_MIPS_H_
#define V8_MIPS_LITHIUM_MIPS_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 {

// Forward declarations.
class LCodeGen;

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#define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \
  V(AccessArgumentsAt)                       \
  V(AddI)                                    \
  V(Allocate)                                \
  V(AllocateBlockContext)                    \
  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(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(DoubleToI)                               \
  V(DoubleBits)                              \
  V(DoubleToSmi)                             \
  V(Drop)                                    \
  V(Dummy)                                   \
  V(DummyUse)                                \
  V(FlooringDivByConstI)                     \
  V(FlooringDivByPowerOf2I)                  \
  V(FlooringDivI)                            \
  V(ForInCacheArray)                         \
  V(ForInPrepareMap)                         \
  V(FunctionLiteral)                         \
  V(GetCachedArrayIndex)                     \
  V(Goto)                                    \
  V(HasCachedArrayIndexAndBranch)            \
  V(HasInstanceTypeAndBranch)                \
  V(InnerAllocatedObject)                    \
  V(InstanceOf)                              \
  V(InstanceOfKnownGlobal)                   \
  V(InstructionGap)                          \
  V(Integer32ToDouble)                       \
  V(InvokeFunction)                          \
  V(IsConstructCallAndBranch)                \
  V(IsObjectAndBranch)                       \
  V(IsStringAndBranch)                       \
  V(IsSmiAndBranch)                          \
  V(IsUndetectableAndBranch)                 \
  V(Label)                                   \
  V(LazyBailout)                             \
  V(LoadContextSlot)                         \
  V(LoadRoot)                                \
  V(LoadFieldByIndex)                        \
  V(LoadFunctionPrototype)                   \
  V(LoadGlobalGeneric)                       \
  V(LoadKeyed)                               \
  V(LoadKeyedGeneric)                        \
  V(LoadNamedField)                          \
  V(LoadNamedGeneric)                        \
  V(MapEnumLength)                           \
  V(MathAbs)                                 \
  V(MathExp)                                 \
  V(MathClz32)                               \
  V(MathFloor)                               \
  V(MathFround)                              \
  V(MathLog)                                 \
  V(MathMinMax)                              \
  V(MathPowHalf)                             \
  V(MathRound)                               \
  V(MathSqrt)                                \
  V(ModByConstI)                             \
  V(ModByPowerOf2I)                          \
  V(ModI)                                    \
  V(MulI)                                    \
  V(MultiplyAddD)                            \
  V(NumberTagD)                              \
  V(NumberTagU)                              \
  V(NumberUntagD)                            \
  V(OsrEntry)                                \
  V(Parameter)                               \
  V(Power)                                   \
  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(StoreKeyed)                              \
  V(StoreKeyedGeneric)                       \
  V(StoreNamedField)                         \
  V(StoreNamedGeneric)                       \
  V(StringAdd)                               \
  V(StringCharCodeAt)                        \
  V(StringCharFromCode)                      \
  V(StringCompareAndBranch)                  \
  V(SubI)                                    \
  V(TaggedToI)                               \
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  V(TailCallThroughMegamorphicCache)         \
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  V(ThisFunction)                            \
  V(ToFastProperties)                        \
  V(TransitionElementsKind)                  \
  V(TrapAllocationMemento)                   \
  V(Typeof)                                  \
  V(TypeofIsAndBranch)                       \
  V(Uint32ToDouble)                          \
  V(UnknownOSRValue)                         \
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  V(WrapReceiver)

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#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);                   \
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  }


#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)
    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; }

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  // Try deleting this instruction if possible.
  virtual bool TryDelete() { return false; }

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  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_; }

  virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { }

  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();
  }

  // Interface to the register allocator and iterators.
  bool IsMarkedAsCall() const { return IsCall(); }

  virtual bool HasResult() const = 0;
  virtual LOperand* result() const = 0;

  LOperand* FirstInput() { return InputAt(0); }
  LOperand* Output() { return HasResult() ? result() : NULL; }

  virtual bool HasInterestingComment(LCodeGen* gen) const { return true; }

#ifdef DEBUG
  void VerifyCall();
#endif

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  virtual int InputCount() = 0;
  virtual LOperand* InputAt(int i) = 0;

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 private:
  // Iterator interface.
  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);
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  bool HasResult() const FINAL { return R != 0 && result() != NULL; }
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  void set_result(LOperand* operand) { results_[0] = operand; }
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  LOperand* result() const OVERRIDE { return results_[0]; }
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 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.
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  int InputCount() FINAL { return I; }
  LOperand* InputAt(int i) FINAL { return inputs_[i]; }
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  int TempCount() FINAL { return T; }
  LOperand* TempAt(int i) FINAL { return temps_[i]; }
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};


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.
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  bool IsGap() const FINAL { return true; }
  void PrintDataTo(StringStream* stream) OVERRIDE;
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  static LGap* cast(LInstruction* instr) {
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    DCHECK(instr->IsGap());
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    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_;
};


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class LInstructionGap FINAL : public LGap {
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 public:
  explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }

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  bool HasInterestingComment(LCodeGen* gen) const OVERRIDE {
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    return !IsRedundant();
  }

  DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
};


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class LGoto FINAL : public LTemplateInstruction<0, 0, 0> {
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 public:
  explicit LGoto(HBasicBlock* block) : block_(block) { }

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  bool HasInterestingComment(LCodeGen* gen) const OVERRIDE;
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  DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
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  void PrintDataTo(StringStream* stream) OVERRIDE;
  bool IsControl() const OVERRIDE { return true; }
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  int block_id() const { return block_->block_id(); }

 private:
  HBasicBlock* block_;
};


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class LLazyBailout FINAL : public LTemplateInstruction<0, 0, 0> {
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 public:
  LLazyBailout() : gap_instructions_size_(0) { }

  DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")

  void set_gap_instructions_size(int gap_instructions_size) {
    gap_instructions_size_ = gap_instructions_size;
  }
  int gap_instructions_size() { return gap_instructions_size_; }

 private:
  int gap_instructions_size_;
};


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class LDummy FINAL : public LTemplateInstruction<1, 0, 0> {
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 public:
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  LDummy() {}
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  DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
};


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class LDummyUse FINAL : public LTemplateInstruction<1, 1, 0> {
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 public:
  explicit LDummyUse(LOperand* value) {
    inputs_[0] = value;
  }
  DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
};


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class LDeoptimize FINAL : public LTemplateInstruction<0, 0, 0> {
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 public:
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  bool IsControl() const OVERRIDE { return true; }
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  DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
  DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
};


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class LLabel FINAL : public LGap {
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 public:
  explicit LLabel(HBasicBlock* block)
      : LGap(block), replacement_(NULL) { }

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  bool HasInterestingComment(LCodeGen* gen) const OVERRIDE { return false; }
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  DECLARE_CONCRETE_INSTRUCTION(Label, "label")

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  void PrintDataTo(StringStream* stream) OVERRIDE;
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  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_;
};


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class LParameter FINAL : public LTemplateInstruction<1, 0, 0> {
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 public:
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  bool HasInterestingComment(LCodeGen* gen) const OVERRIDE { return false; }
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  DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
};


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class LCallStub FINAL : public LTemplateInstruction<1, 1, 0> {
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 public:
  explicit LCallStub(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
  DECLARE_HYDROGEN_ACCESSOR(CallStub)
};


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class LTailCallThroughMegamorphicCache FINAL
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    : public LTemplateInstruction<0, 5, 0> {
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 public:
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  LTailCallThroughMegamorphicCache(LOperand* context, LOperand* receiver,
                                   LOperand* name, LOperand* slot,
                                   LOperand* vector) {
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    inputs_[0] = context;
    inputs_[1] = receiver;
    inputs_[2] = name;
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    inputs_[3] = slot;
    inputs_[4] = vector;
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  }

  LOperand* context() { return inputs_[0]; }
  LOperand* receiver() { return inputs_[1]; }
  LOperand* name() { return inputs_[2]; }
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  LOperand* slot() { return inputs_[3]; }
  LOperand* vector() { return inputs_[4]; }
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  DECLARE_CONCRETE_INSTRUCTION(TailCallThroughMegamorphicCache,
                               "tail-call-through-megamorphic-cache")
  DECLARE_HYDROGEN_ACCESSOR(TailCallThroughMegamorphicCache)
};


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class LUnknownOSRValue FINAL : public LTemplateInstruction<1, 0, 0> {
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 public:
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  bool HasInterestingComment(LCodeGen* gen) const OVERRIDE { return false; }
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  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) { }

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  bool IsControl() const FINAL { return true; }
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  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_;
};


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class LWrapReceiver FINAL : public LTemplateInstruction<1, 2, 0> {
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 public:
  LWrapReceiver(LOperand* receiver, LOperand* function) {
    inputs_[0] = receiver;
    inputs_[1] = function;
  }

  DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver")
  DECLARE_HYDROGEN_ACCESSOR(WrapReceiver)

  LOperand* receiver() { return inputs_[0]; }
  LOperand* function() { return inputs_[1]; }
};


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class LApplyArguments FINAL : public LTemplateInstruction<1, 4, 0> {
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 public:
  LApplyArguments(LOperand* function,
                  LOperand* receiver,
                  LOperand* length,
                  LOperand* elements) {
    inputs_[0] = function;
    inputs_[1] = receiver;
    inputs_[2] = length;
    inputs_[3] = elements;
  }

  DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")

  LOperand* function() { return inputs_[0]; }
  LOperand* receiver() { return inputs_[1]; }
  LOperand* length() { return inputs_[2]; }
  LOperand* elements() { return inputs_[3]; }
};


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class LAccessArgumentsAt FINAL : public LTemplateInstruction<1, 3, 0> {
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 public:
  LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) {
    inputs_[0] = arguments;
    inputs_[1] = length;
    inputs_[2] = index;
  }

  DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")

  LOperand* arguments() { return inputs_[0]; }
  LOperand* length() { return inputs_[1]; }
  LOperand* index() { return inputs_[2]; }

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  void PrintDataTo(StringStream* stream) OVERRIDE;
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};


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class LArgumentsLength FINAL : public LTemplateInstruction<1, 1, 0> {
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 public:
  explicit LArgumentsLength(LOperand* elements) {
    inputs_[0] = elements;
  }

  LOperand* elements() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
};


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class LArgumentsElements FINAL : public LTemplateInstruction<1, 0, 0> {
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 public:
  DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
  DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements)
};


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class LModByPowerOf2I FINAL : public LTemplateInstruction<1, 1, 0> {
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 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_;
};


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class LModByConstI FINAL : public LTemplateInstruction<1, 1, 0> {
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 public:
  LModByConstI(LOperand* dividend, int32_t divisor) {
    inputs_[0] = dividend;
    divisor_ = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }

  DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i")
  DECLARE_HYDROGEN_ACCESSOR(Mod)

 private:
  int32_t divisor_;
};


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class LModI FINAL : public LTemplateInstruction<1, 2, 3> {
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 public:
  LModI(LOperand* left,
        LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
  DECLARE_HYDROGEN_ACCESSOR(Mod)
};


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class LDivByPowerOf2I FINAL : public LTemplateInstruction<1, 1, 0> {
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 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_;
};


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class LDivByConstI FINAL : public LTemplateInstruction<1, 1, 0> {
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 public:
  LDivByConstI(LOperand* dividend, int32_t divisor) {
    inputs_[0] = dividend;
    divisor_ = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }

  DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i")
  DECLARE_HYDROGEN_ACCESSOR(Div)

 private:
  int32_t divisor_;
};


709
class LDivI FINAL : public LTemplateInstruction<1, 2, 1> {
710
 public:
711
  LDivI(LOperand* dividend, LOperand* divisor,  LOperand* temp) {
712 713
    inputs_[0] = dividend;
    inputs_[1] = divisor;
714
    temps_[0] = temp;
715 716 717 718
  }

  LOperand* dividend() { return inputs_[0]; }
  LOperand* divisor() { return inputs_[1]; }
719
  LOperand* temp() { return temps_[0]; }
720 721 722 723 724 725

  DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
  DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
};


726
class LFlooringDivByPowerOf2I FINAL : public LTemplateInstruction<1, 1, 0> {
727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744
 public:
  LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
    inputs_[0] = dividend;
    divisor_ = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() { return divisor_; }

  DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I,
                               "flooring-div-by-power-of-2-i")
  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)

 private:
  int32_t divisor_;
};


745
class LFlooringDivByConstI FINAL : public LTemplateInstruction<1, 1, 2> {
746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764
 public:
  LFlooringDivByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
    inputs_[0] = dividend;
    divisor_ = divisor;
    temps_[0] = temp;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i")
  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)

 private:
  int32_t divisor_;
};


765
class LFlooringDivI FINAL : public LTemplateInstruction<1, 2, 0> {
766 767 768 769 770 771 772 773 774 775 776 777 778 779
 public:
  LFlooringDivI(LOperand* dividend, LOperand* divisor) {
    inputs_[0] = dividend;
    inputs_[1] = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  LOperand* divisor() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
};


780
class LMulI FINAL : public LTemplateInstruction<1, 2, 0> {
781 782 783 784 785 786 787 788 789 790 791 792 793 794 795
 public:
  LMulI(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
  DECLARE_HYDROGEN_ACCESSOR(Mul)
};


// Instruction for computing multiplier * multiplicand + addend.
796
class LMultiplyAddD FINAL : public LTemplateInstruction<1, 3, 0> {
797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812
 public:
  LMultiplyAddD(LOperand* addend, LOperand* multiplier,
                LOperand* multiplicand) {
    inputs_[0] = addend;
    inputs_[1] = multiplier;
    inputs_[2] = multiplicand;
  }

  LOperand* addend() { return inputs_[0]; }
  LOperand* multiplier() { return inputs_[1]; }
  LOperand* multiplicand() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(MultiplyAddD, "multiply-add-d")
};


813
class LDebugBreak FINAL : public LTemplateInstruction<0, 0, 0> {
814 815 816 817 818
 public:
  DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
};


819
class LCompareNumericAndBranch FINAL : public LControlInstruction<2, 0> {
820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
 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();
  }

838
  void PrintDataTo(StringStream* stream) OVERRIDE;
839 840 841
};


842
class LMathFloor FINAL : public LTemplateInstruction<1, 1, 1> {
843 844 845 846 847 848 849 850 851 852 853 854 855 856
 public:
  LMathFloor(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor")
  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
};


857
class LMathRound FINAL : public LTemplateInstruction<1, 1, 1> {
858 859 860 861 862 863 864 865 866 867 868 869 870 871
 public:
  LMathRound(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
};


872
class LMathFround FINAL : public LTemplateInstruction<1, 1, 0> {
873 874 875 876 877 878 879 880 881
 public:
  explicit LMathFround(LOperand* value) { inputs_[0] = value; }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
};


882
class LMathAbs FINAL : public LTemplateInstruction<1, 2, 0> {
883 884 885 886 887 888 889 890 891 892 893 894 895 896
 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)
};


897
class LMathLog FINAL : public LTemplateInstruction<1, 1, 0> {
898 899 900 901 902 903 904 905 906 907 908
 public:
  explicit LMathLog(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
};


909
class LMathClz32 FINAL : public LTemplateInstruction<1, 1, 0> {
910 911 912 913 914 915 916 917 918 919 920
 public:
  explicit LMathClz32(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
};


921
class LMathExp FINAL : public LTemplateInstruction<1, 1, 3> {
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942
 public:
  LMathExp(LOperand* value,
           LOperand* double_temp,
           LOperand* temp1,
           LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
    temps_[2] = double_temp;
    ExternalReference::InitializeMathExpData();
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }
  LOperand* double_temp() { return temps_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
};


943
class LMathSqrt FINAL : public LTemplateInstruction<1, 1, 0> {
944 945 946 947 948 949 950 951 952 953 954
 public:
  explicit LMathSqrt(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
};


955
class LMathPowHalf FINAL : public LTemplateInstruction<1, 1, 1> {
956 957 958 959 960 961 962 963 964 965 966 967 968
 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")
};


969
class LCmpObjectEqAndBranch FINAL : public LControlInstruction<2, 0> {
970 971 972 973 974 975 976 977 978 979 980 981 982 983
 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")
  DECLARE_HYDROGEN_ACCESSOR(CompareObjectEqAndBranch)
};


984
class LCmpHoleAndBranch FINAL : public LControlInstruction<1, 0> {
985 986 987 988 989 990 991 992 993 994 995 996
 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)
};


997
class LCompareMinusZeroAndBranch FINAL : public LControlInstruction<1, 1> {
998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012
 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)
};


1013
class LIsObjectAndBranch FINAL : public LControlInstruction<1, 1> {
1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025
 public:
  LIsObjectAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(IsObjectAndBranch)

1026
  void PrintDataTo(StringStream* stream) OVERRIDE;
1027 1028 1029
};


1030
class LIsStringAndBranch FINAL : public LControlInstruction<1, 1> {
1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042
 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)

1043
  void PrintDataTo(StringStream* stream) OVERRIDE;
1044 1045 1046
};


1047
class LIsSmiAndBranch FINAL : public LControlInstruction<1, 0> {
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
 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)

1058
  void PrintDataTo(StringStream* stream) OVERRIDE;
1059 1060 1061
};


1062
class LIsUndetectableAndBranch FINAL : public LControlInstruction<1, 1> {
1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075
 public:
  explicit 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)

1076
  void PrintDataTo(StringStream* stream) OVERRIDE;
1077 1078 1079
};


1080
class LStringCompareAndBranch FINAL : public LControlInstruction<3, 0> {
1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097
 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)

  Token::Value op() const { return hydrogen()->token(); }

1098
  void PrintDataTo(StringStream* stream) OVERRIDE;
1099 1100 1101
};


1102
class LHasInstanceTypeAndBranch FINAL : public LControlInstruction<1, 0> {
1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113
 public:
  explicit LHasInstanceTypeAndBranch(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
                               "has-instance-type-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)

1114
  void PrintDataTo(StringStream* stream) OVERRIDE;
1115 1116 1117
};


1118
class LGetCachedArrayIndex FINAL : public LTemplateInstruction<1, 1, 0> {
1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
 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)
};


1131
class LHasCachedArrayIndexAndBranch FINAL
1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143
    : 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")
  DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndexAndBranch)

1144
  void PrintDataTo(StringStream* stream) OVERRIDE;
1145 1146 1147
};


1148
class LClassOfTestAndBranch FINAL : public LControlInstruction<1, 1> {
1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161
 public:
  LClassOfTestAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
                               "class-of-test-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)

1162
  void PrintDataTo(StringStream* stream) OVERRIDE;
1163 1164 1165
};


1166
class LCmpT FINAL : public LTemplateInstruction<1, 3, 0> {
1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184
 public:
  LCmpT(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(CmpT, "cmp-t")
  DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)

  Token::Value op() const { return hydrogen()->token(); }
};


1185
class LInstanceOf FINAL : public LTemplateInstruction<1, 3, 0> {
1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200
 public:
  LInstanceOf(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(InstanceOf, "instance-of")
};


1201
class LInstanceOfKnownGlobal FINAL : public LTemplateInstruction<1, 2, 1> {
1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
 public:
  LInstanceOfKnownGlobal(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(InstanceOfKnownGlobal,
                               "instance-of-known-global")
  DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)

  Handle<JSFunction> function() const { return hydrogen()->function(); }
  LEnvironment* GetDeferredLazyDeoptimizationEnvironment() {
    return lazy_deopt_env_;
  }
  virtual void SetDeferredLazyDeoptimizationEnvironment(
1222
      LEnvironment* env) OVERRIDE {
1223 1224 1225 1226 1227 1228 1229 1230
    lazy_deopt_env_ = env;
  }

 private:
  LEnvironment* lazy_deopt_env_;
};


1231
class LBoundsCheck FINAL : public LTemplateInstruction<0, 2, 0> {
1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245
 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)
};


1246
class LBitI FINAL : public LTemplateInstruction<1, 2, 0> {
1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
 public:
  LBitI(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  Token::Value op() const { return hydrogen()->op(); }

  DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
  DECLARE_HYDROGEN_ACCESSOR(Bitwise)
};


1263
class LShiftI FINAL : public LTemplateInstruction<1, 2, 0> {
1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283
 public:
  LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
      : op_(op), can_deopt_(can_deopt) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  Token::Value op() const { return op_; }
  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }
  bool can_deopt() const { return can_deopt_; }

  DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")

 private:
  Token::Value op_;
  bool can_deopt_;
};


1284
class LSubI FINAL : public LTemplateInstruction<1, 2, 0> {
1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298
 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)
};


1299
class LConstantI FINAL : public LTemplateInstruction<1, 0, 0> {
1300 1301 1302 1303 1304 1305 1306 1307
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  int32_t value() const { return hydrogen()->Integer32Value(); }
};


1308
class LConstantS FINAL : public LTemplateInstruction<1, 0, 0> {
1309 1310 1311 1312 1313 1314 1315 1316
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
};


1317
class LConstantD FINAL : public LTemplateInstruction<1, 0, 0> {
1318 1319 1320 1321 1322 1323 1324 1325
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  double value() const { return hydrogen()->DoubleValue(); }
};


1326
class LConstantE FINAL : public LTemplateInstruction<1, 0, 0> {
1327 1328 1329 1330 1331 1332 1333 1334 1335 1336
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  ExternalReference value() const {
    return hydrogen()->ExternalReferenceValue();
  }
};


1337
class LConstantT FINAL : public LTemplateInstruction<1, 0, 0> {
1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  Handle<Object> value(Isolate* isolate) const {
    return hydrogen()->handle(isolate);
  }
};


1348
class LBranch FINAL : public LControlInstruction<1, 0> {
1349 1350 1351 1352 1353 1354 1355 1356 1357 1358
 public:
  explicit LBranch(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
  DECLARE_HYDROGEN_ACCESSOR(Branch)

1359
  void PrintDataTo(StringStream* stream) OVERRIDE;
1360 1361 1362
};


1363
class LCmpMapAndBranch FINAL : public LControlInstruction<1, 1> {
1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379
 public:
  LCmpMapAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(CompareMap)

  Handle<Map> map() const { return hydrogen()->map().handle(); }
};


1380
class LMapEnumLength FINAL : public LTemplateInstruction<1, 1, 0> {
1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391
 public:
  explicit LMapEnumLength(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length")
};


1392
class LDateField FINAL : public LTemplateInstruction<1, 1, 1> {
1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410
 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]; }
  Smi* index() const { return index_; }

  DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
  DECLARE_HYDROGEN_ACCESSOR(DateField)

 private:
  Smi* index_;
};


1411
class LSeqStringGetChar FINAL : public LTemplateInstruction<1, 2, 0> {
1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
 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)
};


1426
class LSeqStringSetChar FINAL : public LTemplateInstruction<1, 4, 0> {
1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446
 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)
};


1447
class LAddI FINAL : public LTemplateInstruction<1, 2, 0> {
1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461
 public:
  LAddI(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
  DECLARE_HYDROGEN_ACCESSOR(Add)
};


1462
class LMathMinMax FINAL : public LTemplateInstruction<1, 2, 0> {
1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476
 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)
};


1477
class LPower FINAL : public LTemplateInstruction<1, 2, 0> {
1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491
 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)
};


1492
class LArithmeticD FINAL : public LTemplateInstruction<1, 2, 0> {
1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503
 public:
  LArithmeticD(Token::Value op, LOperand* left, LOperand* right)
      : op_(op) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  Token::Value op() const { return op_; }
  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

1504 1505 1506
  Opcode opcode() const OVERRIDE { return LInstruction::kArithmeticD; }
  void CompileToNative(LCodeGen* generator) OVERRIDE;
  const char* Mnemonic() const OVERRIDE;
1507 1508 1509 1510 1511 1512

 private:
  Token::Value op_;
};


1513
class LArithmeticT FINAL : public LTemplateInstruction<1, 3, 0> {
1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
 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_; }

1530 1531 1532
  Opcode opcode() const FINAL { return LInstruction::kArithmeticT; }
  void CompileToNative(LCodeGen* generator) OVERRIDE;
  const char* Mnemonic() const OVERRIDE;
1533 1534 1535 1536 1537 1538

 private:
  Token::Value op_;
};


1539
class LReturn FINAL : public LTemplateInstruction<0, 3, 0> {
1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552
 public:
  LReturn(LOperand* value, LOperand* context, LOperand* parameter_count) {
    inputs_[0] = value;
    inputs_[1] = context;
    inputs_[2] = parameter_count;
  }

  LOperand* value() { return inputs_[0]; }

  bool has_constant_parameter_count() {
    return parameter_count()->IsConstantOperand();
  }
  LConstantOperand* constant_parameter_count() {
1553
    DCHECK(has_constant_parameter_count());
1554 1555 1556 1557 1558 1559 1560 1561
    return LConstantOperand::cast(parameter_count());
  }
  LOperand* parameter_count() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(Return, "return")
};


1562
class LLoadNamedField FINAL : public LTemplateInstruction<1, 1, 0> {
1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574
 public:
  explicit LLoadNamedField(LOperand* object) {
    inputs_[0] = object;
  }

  LOperand* object() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
  DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
};


1575
class LLoadNamedGeneric FINAL : public LTemplateInstruction<1, 2, 1> {
1576
 public:
1577
  LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
1578 1579
    inputs_[0] = context;
    inputs_[1] = object;
1580
    temps_[0] = vector;
1581 1582 1583 1584
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
1585
  LOperand* temp_vector() { return temps_[0]; }
1586 1587 1588 1589 1590 1591 1592 1593

  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
  DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)

  Handle<Object> name() const { return hydrogen()->name(); }
};


1594
class LLoadFunctionPrototype FINAL : public LTemplateInstruction<1, 1, 0> {
1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606
 public:
  explicit LLoadFunctionPrototype(LOperand* function) {
    inputs_[0] = function;
  }

  LOperand* function() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
  DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
};


1607
class LLoadRoot FINAL : public LTemplateInstruction<1, 0, 0> {
1608 1609 1610 1611 1612 1613 1614 1615
 public:
  DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
  DECLARE_HYDROGEN_ACCESSOR(LoadRoot)

  Heap::RootListIndex index() const { return hydrogen()->index(); }
};


1616
class LLoadKeyed FINAL : public LTemplateInstruction<1, 2, 0> {
1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640
 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_external() const {
    return hydrogen()->is_external();
  }
  bool is_fixed_typed_array() const {
    return hydrogen()->is_fixed_typed_array();
  }
  bool is_typed_elements() const {
    return is_external() || is_fixed_typed_array();
  }

  DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed")
  DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)

1641
  void PrintDataTo(StringStream* stream) OVERRIDE;
1642 1643 1644 1645
  uint32_t base_offset() const { return hydrogen()->base_offset(); }
};


1646
class LLoadKeyedGeneric FINAL : public LTemplateInstruction<1, 3, 1> {
1647
 public:
1648 1649
  LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
                    LOperand* vector) {
1650 1651 1652
    inputs_[0] = context;
    inputs_[1] = object;
    inputs_[2] = key;
1653
    temps_[0] = vector;
1654 1655 1656 1657 1658
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* key() { return inputs_[2]; }
1659
  LOperand* temp_vector() { return temps_[0]; }
1660 1661

  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
1662
  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
1663 1664 1665
};


1666
class LLoadGlobalGeneric FINAL : public LTemplateInstruction<1, 2, 1> {
1667
 public:
1668 1669
  LLoadGlobalGeneric(LOperand* context, LOperand* global_object,
                     LOperand* vector) {
1670 1671
    inputs_[0] = context;
    inputs_[1] = global_object;
1672
    temps_[0] = vector;
1673 1674 1675 1676
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* global_object() { return inputs_[1]; }
1677
  LOperand* temp_vector() { return temps_[0]; }
1678 1679 1680 1681 1682 1683 1684 1685 1686

  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)

  Handle<Object> name() const { return hydrogen()->name(); }
  bool for_typeof() const { return hydrogen()->for_typeof(); }
};


1687
class LLoadContextSlot FINAL : public LTemplateInstruction<1, 1, 0> {
1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699
 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(); }

1700
  void PrintDataTo(StringStream* stream) OVERRIDE;
1701 1702 1703
};


1704
class LStoreContextSlot FINAL : public LTemplateInstruction<0, 2, 0> {
1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718
 public:
  LStoreContextSlot(LOperand* context, LOperand* value) {
    inputs_[0] = context;
    inputs_[1] = value;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* value() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
  DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)

  int slot_index() { return hydrogen()->slot_index(); }

1719
  void PrintDataTo(StringStream* stream) OVERRIDE;
1720 1721 1722
};


1723
class LPushArgument FINAL : public LTemplateInstruction<0, 1, 0> {
1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734
 public:
  explicit LPushArgument(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
};


1735
class LDrop FINAL : public LTemplateInstruction<0, 0, 0> {
1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747
 public:
  explicit LDrop(int count) : count_(count) { }

  int count() const { return count_; }

  DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")

 private:
  int count_;
};


1748
class LStoreCodeEntry FINAL: public LTemplateInstruction<0, 2, 0> {
1749 1750 1751 1752 1753 1754 1755 1756 1757
 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]; }

1758
  void PrintDataTo(StringStream* stream) OVERRIDE;
1759 1760 1761 1762 1763 1764

  DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
  DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
};


1765
class LInnerAllocatedObject FINAL: public LTemplateInstruction<1, 2, 0> {
1766 1767 1768 1769 1770 1771 1772 1773 1774
 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]; }

1775
  void PrintDataTo(StringStream* stream) OVERRIDE;
1776 1777 1778 1779 1780

  DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
};


1781
class LThisFunction FINAL : public LTemplateInstruction<1, 0, 0> {
1782 1783 1784 1785 1786 1787
 public:
  DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
  DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
};


1788
class LContext FINAL : public LTemplateInstruction<1, 0, 0> {
1789 1790 1791 1792 1793 1794
 public:
  DECLARE_CONCRETE_INSTRUCTION(Context, "context")
  DECLARE_HYDROGEN_ACCESSOR(Context)
};


1795
class LDeclareGlobals FINAL : public LTemplateInstruction<0, 1, 0> {
1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807
 public:
  explicit LDeclareGlobals(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
  DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
};


1808
class LCallJSFunction FINAL : public LTemplateInstruction<1, 1, 0> {
1809 1810 1811 1812 1813 1814 1815 1816 1817 1818
 public:
  explicit LCallJSFunction(LOperand* function) {
    inputs_[0] = function;
  }

  LOperand* function() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
  DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)

1819
  void PrintDataTo(StringStream* stream) OVERRIDE;
1820 1821 1822 1823 1824

  int arity() const { return hydrogen()->argument_count() - 1; }
};


1825
class LCallWithDescriptor FINAL : public LTemplateResultInstruction<1> {
1826
 public:
1827
  LCallWithDescriptor(CallInterfaceDescriptor descriptor,
1828 1829
                      const ZoneList<LOperand*>& operands, Zone* zone)
      : descriptor_(descriptor),
1830 1831
        inputs_(descriptor.GetRegisterParameterCount() + 1, zone) {
    DCHECK(descriptor.GetRegisterParameterCount() + 1 == operands.length());
1832 1833 1834 1835 1836
    inputs_.AddAll(operands, zone);
  }

  LOperand* target() const { return inputs_[0]; }

1837
  const CallInterfaceDescriptor descriptor() { return descriptor_; }
1838

1839 1840
  DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)

1841 1842 1843
 private:
  DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")

1844
  void PrintDataTo(StringStream* stream) OVERRIDE;
1845 1846 1847

  int arity() const { return hydrogen()->argument_count() - 1; }

1848
  CallInterfaceDescriptor descriptor_;
1849 1850 1851
  ZoneList<LOperand*> inputs_;

  // Iterator support.
1852 1853
  int InputCount() FINAL { return inputs_.length(); }
  LOperand* InputAt(int i) FINAL { return inputs_[i]; }
1854

1855 1856
  int TempCount() FINAL { return 0; }
  LOperand* TempAt(int i) FINAL { return NULL; }
1857 1858 1859 1860
};



1861
class LInvokeFunction FINAL : public LTemplateInstruction<1, 2, 0> {
1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873
 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)

1874
  void PrintDataTo(StringStream* stream) OVERRIDE;
1875 1876 1877 1878 1879

  int arity() const { return hydrogen()->argument_count() - 1; }
};


1880
class LCallFunction FINAL : public LTemplateInstruction<1, 2, 2> {
1881
 public:
1882 1883
  LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
                LOperand* vector) {
1884 1885
    inputs_[0] = context;
    inputs_[1] = function;
1886 1887
    temps_[0] = slot;
    temps_[1] = vector;
1888 1889 1890 1891
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* function() { return inputs_[1]; }
1892 1893
  LOperand* temp_slot() { return temps_[0]; }
  LOperand* temp_vector() { return temps_[1]; }
1894 1895 1896 1897 1898

  DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
  DECLARE_HYDROGEN_ACCESSOR(CallFunction)

  int arity() const { return hydrogen()->argument_count() - 1; }
1899
  void PrintDataTo(StringStream* stream) OVERRIDE;
1900 1901 1902
};


1903
class LCallNew FINAL : public LTemplateInstruction<1, 2, 0> {
1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915
 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)

1916
  void PrintDataTo(StringStream* stream) OVERRIDE;
1917 1918 1919 1920 1921

  int arity() const { return hydrogen()->argument_count() - 1; }
};


1922
class LCallNewArray FINAL : public LTemplateInstruction<1, 2, 0> {
1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934
 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)

1935
  void PrintDataTo(StringStream* stream) OVERRIDE;
1936 1937 1938 1939 1940

  int arity() const { return hydrogen()->argument_count() - 1; }
};


1941
class LCallRuntime FINAL : public LTemplateInstruction<1, 1, 0> {
1942 1943 1944 1945 1946 1947 1948 1949 1950 1951
 public:
  explicit LCallRuntime(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
  DECLARE_HYDROGEN_ACCESSOR(CallRuntime)

1952
  bool ClobbersDoubleRegisters(Isolate* isolate) const OVERRIDE {
1953 1954 1955 1956 1957 1958 1959 1960 1961
    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(); }
};


1962
class LInteger32ToDouble FINAL : public LTemplateInstruction<1, 1, 0> {
1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973
 public:
  explicit LInteger32ToDouble(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
};


1974
class LUint32ToDouble FINAL : public LTemplateInstruction<1, 1, 0> {
1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
 public:
  explicit LUint32ToDouble(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
};


1986
class LNumberTagU FINAL : public LTemplateInstruction<1, 1, 2> {
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
 public:
  LNumberTagU(LOperand* value, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u")
};


2002
class LNumberTagD FINAL : public LTemplateInstruction<1, 1, 2> {
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
 public:
  LNumberTagD(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(NumberTagD, "number-tag-d")
  DECLARE_HYDROGEN_ACCESSOR(Change)
};


2019
class LDoubleToSmi FINAL : public LTemplateInstruction<1, 1, 0> {
2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034
 public:
  explicit LDoubleToSmi(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)

  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
};


// Sometimes truncating conversion from a tagged value to an int32.
2035
class LDoubleToI FINAL : public LTemplateInstruction<1, 1, 0> {
2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050
 public:
  explicit LDoubleToI(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)

  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
};


// Truncating conversion from a tagged value to an int32.
2051
class LTaggedToI FINAL : public LTemplateInstruction<1, 1, 2> {
2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071
 public:
  LTaggedToI(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(TaggedToI, "tagged-to-i")
  DECLARE_HYDROGEN_ACCESSOR(Change)

  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
};


2072
class LSmiTag FINAL : public LTemplateInstruction<1, 1, 0> {
2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084
 public:
  explicit LSmiTag(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
  DECLARE_HYDROGEN_ACCESSOR(Change)
};


2085
class LNumberUntagD FINAL : public LTemplateInstruction<1, 1, 0> {
2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097
 public:
  explicit LNumberUntagD(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
  DECLARE_HYDROGEN_ACCESSOR(Change)
};


2098
class LSmiUntag FINAL : public LTemplateInstruction<1, 1, 0> {
2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114
 public:
  LSmiUntag(LOperand* value, bool needs_check)
      : needs_check_(needs_check) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }
  bool needs_check() const { return needs_check_; }

  DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")

 private:
  bool needs_check_;
};


2115
class LStoreNamedField FINAL : public LTemplateInstruction<0, 2, 1> {
2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129
 public:
  LStoreNamedField(LOperand* object, LOperand* value, LOperand* temp) {
    inputs_[0] = object;
    inputs_[1] = value;
    temps_[0] = temp;
  }

  LOperand* object() { return inputs_[0]; }
  LOperand* value() { return inputs_[1]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
  DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)

2130
  void PrintDataTo(StringStream* stream) OVERRIDE;
2131 2132 2133 2134 2135 2136 2137

  Representation representation() const {
    return hydrogen()->field_representation();
  }
};


2138
class LStoreNamedGeneric FINAL : public LTemplateInstruction<0, 3, 0> {
2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152
 public:
  LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value) {
    inputs_[0] = context;
    inputs_[1] = object;
    inputs_[2] = value;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* value() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
  DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)

2153
  void PrintDataTo(StringStream* stream) OVERRIDE;
2154 2155

  Handle<Object> name() const { return hydrogen()->name(); }
2156
  LanguageMode language_mode() { return hydrogen()->language_mode(); }
2157 2158 2159
};


2160
class LStoreKeyed FINAL : public LTemplateInstruction<0, 3, 0> {
2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184
 public:
  LStoreKeyed(LOperand* object, LOperand* key, LOperand* value) {
    inputs_[0] = object;
    inputs_[1] = key;
    inputs_[2] = value;
  }

  bool is_external() const { return hydrogen()->is_external(); }
  bool is_fixed_typed_array() const {
    return hydrogen()->is_fixed_typed_array();
  }
  bool is_typed_elements() const {
    return is_external() || 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)

2185
  void PrintDataTo(StringStream* stream) OVERRIDE;
2186 2187 2188 2189 2190
  bool NeedsCanonicalization() { return hydrogen()->NeedsCanonicalization(); }
  uint32_t base_offset() const { return hydrogen()->base_offset(); }
};


2191
class LStoreKeyedGeneric FINAL : public LTemplateInstruction<0, 4, 0> {
2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210
 public:
  LStoreKeyedGeneric(LOperand* context,
                     LOperand* obj,
                     LOperand* key,
                     LOperand* value) {
    inputs_[0] = context;
    inputs_[1] = obj;
    inputs_[2] = key;
    inputs_[3] = value;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* key() { return inputs_[2]; }
  LOperand* value() { return inputs_[3]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)

2211
  void PrintDataTo(StringStream* stream) OVERRIDE;
2212

2213
  LanguageMode language_mode() { return hydrogen()->language_mode(); }
2214 2215 2216
};


2217
class LTransitionElementsKind FINAL : public LTemplateInstruction<0, 2, 1> {
2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234
 public:
  LTransitionElementsKind(LOperand* object,
                          LOperand* context,
                          LOperand* new_map_temp) {
    inputs_[0] = object;
    inputs_[1] = context;
    temps_[0] = new_map_temp;
  }

  LOperand* context() { return inputs_[1]; }
  LOperand* object() { return inputs_[0]; }
  LOperand* new_map_temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
                               "transition-elements-kind")
  DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)

2235
  void PrintDataTo(StringStream* stream) OVERRIDE;
2236 2237 2238 2239 2240 2241 2242 2243 2244 2245

  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(); }
};


2246
class LTrapAllocationMemento FINAL : public LTemplateInstruction<0, 1, 1> {
2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
 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")
};


2262
class LStringAdd FINAL : public LTemplateInstruction<1, 3, 0> {
2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279
 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)
};



2280
class LStringCharCodeAt FINAL : public LTemplateInstruction<1, 3, 0> {
2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296
 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)
};


2297
class LStringCharFromCode FINAL : public LTemplateInstruction<1, 2, 0> {
2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311
 public:
  explicit 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)
};


2312
class LCheckValue FINAL : public LTemplateInstruction<0, 1, 0> {
2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324
 public:
  explicit LCheckValue(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
  DECLARE_HYDROGEN_ACCESSOR(CheckValue)
};


2325
class LCheckInstanceType FINAL : public LTemplateInstruction<0, 1, 0> {
2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337
 public:
  explicit LCheckInstanceType(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
  DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
};


2338
class LCheckMaps FINAL : public LTemplateInstruction<0, 1, 0> {
2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350
 public:
  explicit LCheckMaps(LOperand* value = NULL) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps")
  DECLARE_HYDROGEN_ACCESSOR(CheckMaps)
};


2351
class LCheckSmi FINAL : public LTemplateInstruction<1, 1, 0> {
2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362
 public:
  explicit LCheckSmi(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
};


2363
class LCheckNonSmi FINAL : public LTemplateInstruction<0, 1, 0> {
2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375
 public:
  explicit LCheckNonSmi(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
  DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
};


2376
class LClampDToUint8 FINAL : public LTemplateInstruction<1, 1, 1> {
2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389
 public:
  LClampDToUint8(LOperand* unclamped, LOperand* temp) {
    inputs_[0] = unclamped;
    temps_[0] = temp;
  }

  LOperand* unclamped() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
};


2390
class LClampIToUint8 FINAL : public LTemplateInstruction<1, 1, 0> {
2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401
 public:
  explicit LClampIToUint8(LOperand* unclamped) {
    inputs_[0] = unclamped;
  }

  LOperand* unclamped() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
};


2402
class LClampTToUint8 FINAL : public LTemplateInstruction<1, 1, 1> {
2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415
 public:
  LClampTToUint8(LOperand* unclamped, LOperand* temp) {
    inputs_[0] = unclamped;
    temps_[0] = temp;
  }

  LOperand* unclamped() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
};


2416
class LDoubleBits FINAL : public LTemplateInstruction<1, 1, 0> {
2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428
 public:
  explicit LDoubleBits(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
  DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
};


2429
class LConstructDouble FINAL : public LTemplateInstruction<1, 2, 0> {
2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442
 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")
};


2443
class LAllocate FINAL : public LTemplateInstruction<1, 2, 2> {
2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464
 public:
  LAllocate(LOperand* context,
            LOperand* size,
            LOperand* temp1,
            LOperand* temp2) {
    inputs_[0] = context;
    inputs_[1] = size;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* size() { return inputs_[1]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
  DECLARE_HYDROGEN_ACCESSOR(Allocate)
};


2465
class LRegExpLiteral FINAL : public LTemplateInstruction<1, 1, 0> {
2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477
 public:
  explicit LRegExpLiteral(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
  DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
};


2478
class LFunctionLiteral FINAL : public LTemplateInstruction<1, 1, 0> {
2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490
 public:
  explicit LFunctionLiteral(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal")
  DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral)
};


2491
class LToFastProperties FINAL : public LTemplateInstruction<1, 1, 0> {
2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503
 public:
  explicit LToFastProperties(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
  DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
};


2504
class LTypeof FINAL : public LTemplateInstruction<1, 2, 0> {
2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517
 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")
};


2518
class LTypeofIsAndBranch FINAL : public LControlInstruction<1, 0> {
2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530
 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(); }

2531
  void PrintDataTo(StringStream* stream) OVERRIDE;
2532 2533 2534
};


2535
class LIsConstructCallAndBranch FINAL : public LControlInstruction<0, 1> {
2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547
 public:
  explicit LIsConstructCallAndBranch(LOperand* temp) {
    temps_[0] = temp;
  }

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
                               "is-construct-call-and-branch")
};


2548
class LOsrEntry FINAL : public LTemplateInstruction<0, 0, 0> {
2549 2550 2551
 public:
  LOsrEntry() {}

2552
  bool HasInterestingComment(LCodeGen* gen) const OVERRIDE { return false; }
2553 2554 2555 2556
  DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
};


2557
class LStackCheck FINAL : public LTemplateInstruction<0, 1, 0> {
2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574
 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_;
};


2575
class LForInPrepareMap FINAL : public LTemplateInstruction<1, 2, 0> {
2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588
 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")
};


2589
class LForInCacheArray FINAL : public LTemplateInstruction<1, 1, 0> {
2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604
 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();
  }
};


2605
class LCheckMapValue FINAL : public LTemplateInstruction<0, 2, 0> {
2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618
 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")
};


2619
class LLoadFieldByIndex FINAL : public LTemplateInstruction<1, 2, 0> {
2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662
 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;
2663
class LPlatformChunk FINAL : public LChunk {
2664 2665 2666 2667 2668 2669 2670 2671 2672
 public:
  LPlatformChunk(CompilationInfo* info, HGraph* graph)
      : LChunk(info, graph) { }

  int GetNextSpillIndex(RegisterKind kind);
  LOperand* GetNextSpillSlot(RegisterKind kind);
};


2673
class LChunkBuilder FINAL : public LChunkBuilderBase {
2674 2675
 public:
  LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
2676
      : LChunkBuilderBase(info, graph),
2677 2678 2679
        current_instruction_(NULL),
        current_block_(NULL),
        next_block_(NULL),
2680
        allocator_(allocator) {}
2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695

  // 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* DoMultiplyAdd(HMul* mul, HValue* addend);

  static bool HasMagicNumberForDivisor(int32_t divisor);

  LInstruction* DoMathFloor(HUnaryMathOperation* instr);
  LInstruction* DoMathRound(HUnaryMathOperation* instr);
2696
  LInstruction* DoMathFround(HUnaryMathOperation* instr);
2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754
  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(DoubleRegister 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,
                                           DoubleRegister 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 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.
2755
  MUST_USE_RESULT LOperand* UseAny(HValue* value) OVERRIDE;
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  // Temporary operand that must be in a register.
  MUST_USE_RESULT LUnallocated* TempRegister();
  MUST_USE_RESULT LUnallocated* TempDoubleRegister();
  MUST_USE_RESULT LOperand* FixedTemp(Register reg);
  MUST_USE_RESULT LOperand* FixedTemp(DoubleRegister 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,
                                  DoubleRegister reg);
  LInstruction* AssignEnvironment(LInstruction* instr);
  LInstruction* AssignPointerMap(LInstruction* instr);

  enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };

  // By default we assume that instruction sequences generated for calls
  // cannot deoptimize eagerly and we do not attach environment to this
  // instruction.
  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* DoBit(Token::Value op, HBitwiseBinaryOperation* instr);
  LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
  LInstruction* DoArithmeticD(Token::Value op,
                              HArithmeticBinaryOperation* instr);
  LInstruction* DoArithmeticT(Token::Value op,
                              HBinaryOperation* 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 v8::internal

#endif  // V8_MIPS_LITHIUM_MIPS_H_