src/arm/lithium-arm.h

   1 // Copyright 2012 the V8 project authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef V8_ARM_LITHIUM_ARM_H_
   6 #define V8_ARM_LITHIUM_ARM_H_
   7
   8 #include "src/hydrogen.h"
   9 #include "src/lithium.h"
  10 #include "src/lithium-allocator.h"
  11 #include "src/safepoint-table.h"
  12 #include "src/utils.h"
  13
  14 namespace v8 {
  15 namespace internal {
  16
  17 // Forward declarations.
  18 class LCodeGen;
  19
  20 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \
  21   V(AccessArgumentsAt)                       \
  22   V(AddI)                                    \
  23   V(Allocate)                                \
  24   V(AllocateBlockContext)                    \
  25   V(ApplyArguments)                          \
  26   V(ArgumentsElements)                       \
  27   V(ArgumentsLength)                         \
  28   V(ArithmeticD)                             \
  29   V(ArithmeticT)                             \
  30   V(BitI)                                    \
  31   V(BoundsCheck)                             \
  32   V(Branch)                                  \
  33   V(CallJSFunction)                          \
  34   V(CallWithDescriptor)                      \
  35   V(CallFunction)                            \
  36   V(CallNew)                                 \
  37   V(CallNewArray)                            \
  38   V(CallRuntime)                             \
  39   V(CallStub)                                \
  40   V(CheckArrayBufferNotNeutered)             \
  41   V(CheckInstanceType)                       \
  42   V(CheckNonSmi)                             \
  43   V(CheckMaps)                               \
  44   V(CheckMapValue)                           \
  45   V(CheckSmi)                                \
  46   V(CheckValue)                              \
  47   V(ClampDToUint8)                           \
  48   V(ClampIToUint8)                           \
  49   V(ClampTToUint8)                           \
  50   V(ClassOfTestAndBranch)                    \
  51   V(CompareMinusZeroAndBranch)               \
  52   V(CompareNumericAndBranch)                 \
  53   V(CmpObjectEqAndBranch)                    \
  54   V(CmpHoleAndBranch)                        \
  55   V(CmpMapAndBranch)                         \
  56   V(CmpT)                                    \
  57   V(ConstantD)                               \
  58   V(ConstantE)                               \
  59   V(ConstantI)                               \
  60   V(ConstantS)                               \
  61   V(ConstantT)                               \
  62   V(ConstructDouble)                         \
  63   V(Context)                                 \
  64   V(DateField)                               \
  65   V(DebugBreak)                              \
  66   V(DeclareGlobals)                          \
  67   V(Deoptimize)                              \
  68   V(DivByConstI)                             \
  69   V(DivByPowerOf2I)                          \
  70   V(DivI)                                    \
  71   V(DoubleBits)                              \
  72   V(DoubleToI)                               \
  73   V(DoubleToSmi)                             \
  74   V(Drop)                                    \
  75   V(Dummy)                                   \
  76   V(DummyUse)                                \
  77   V(FlooringDivByConstI)                     \
  78   V(FlooringDivByPowerOf2I)                  \
  79   V(FlooringDivI)                            \
  80   V(ForInCacheArray)                         \
  81   V(ForInPrepareMap)                         \
  82   V(FunctionLiteral)                         \
  83   V(GetCachedArrayIndex)                     \
  84   V(Goto)                                    \
  85   V(HasCachedArrayIndexAndBranch)            \
  86   V(HasInstanceTypeAndBranch)                \
  87   V(InnerAllocatedObject)                    \
  88   V(InstanceOf)                              \
  89   V(InstanceOfKnownGlobal)                   \
  90   V(InstructionGap)                          \
  91   V(Integer32ToDouble)                       \
  92   V(InvokeFunction)                          \
  93   V(IsConstructCallAndBranch)                \
  94   V(IsObjectAndBranch)                       \
  95   V(IsStringAndBranch)                       \
  96   V(IsSmiAndBranch)                          \
  97   V(IsUndetectableAndBranch)                 \
  98   V(Label)                                   \
  99   V(LazyBailout)                             \
 100   V(LoadContextSlot)                         \
 101   V(LoadRoot)                                \
 102   V(LoadFieldByIndex)                        \
 103   V(LoadFunctionPrototype)                   \
 104   V(LoadGlobalGeneric)                       \
 105   V(LoadGlobalViaContext)                    \
 106   V(LoadKeyed)                               \
 107   V(LoadKeyedGeneric)                        \
 108   V(LoadNamedField)                          \
 109   V(LoadNamedGeneric)                        \
 110   V(MapEnumLength)                           \
 111   V(MathAbs)                                 \
 112   V(MathClz32)                               \
 113   V(MathExp)                                 \
 114   V(MathFloor)                               \
 115   V(MathFround)                              \
 116   V(MathLog)                                 \
 117   V(MathMinMax)                              \
 118   V(MathPowHalf)                             \
 119   V(MathRound)                               \
 120   V(MathSqrt)                                \
 121   V(MaybeGrowElements)                       \
 122   V(ModByConstI)                             \
 123   V(ModByPowerOf2I)                          \
 124   V(ModI)                                    \
 125   V(MulI)                                    \
 126   V(MultiplyAddD)                            \
 127   V(MultiplySubD)                            \
 128   V(NumberTagD)                              \
 129   V(NumberTagI)                              \
 130   V(NumberTagU)                              \
 131   V(NumberUntagD)                            \
 132   V(OsrEntry)                                \
 133   V(Parameter)                               \
 134   V(Power)                                   \
 135   V(PushArgument)                            \
 136   V(RegExpLiteral)                           \
 137   V(Return)                                  \
 138   V(SeqStringGetChar)                        \
 139   V(SeqStringSetChar)                        \
 140   V(ShiftI)                                  \
 141   V(SmiTag)                                  \
 142   V(SmiUntag)                                \
 143   V(StackCheck)                              \
 144   V(StoreCodeEntry)                          \
 145   V(StoreContextSlot)                        \
 146   V(StoreFrameContext)                       \
 147   V(StoreGlobalViaContext)                   \
 148   V(StoreKeyed)                              \
 149   V(StoreKeyedGeneric)                       \
 150   V(StoreNamedField)                         \
 151   V(StoreNamedGeneric)                       \
 152   V(StringAdd)                               \
 153   V(StringCharCodeAt)                        \
 154   V(StringCharFromCode)                      \
 155   V(StringCompareAndBranch)                  \
 156   V(SubI)                                    \
 157   V(RSubI)                                   \
 158   V(TaggedToI)                               \
 159   V(ThisFunction)                            \
 160   V(ToFastProperties)                        \
 161   V(TransitionElementsKind)                  \
 162   V(TrapAllocationMemento)                   \
 163   V(Typeof)                                  \
 164   V(TypeofIsAndBranch)                       \
 165   V(Uint32ToDouble)                          \
 166   V(UnknownOSRValue)                         \
 167   V(WrapReceiver)
 168
 169
 170 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)            \
 171   Opcode opcode() const final { return LInstruction::k##type; } \
 172   void CompileToNative(LCodeGen* generator) final;              \
 173   const char* Mnemonic() const final { return mnemonic; }       \
 174   static L##type* cast(LInstruction* instr) {                   \
 175     DCHECK(instr->Is##type());                                  \
 176     return reinterpret_cast<L##type*>(instr);                   \
 177   }
 178
 179
 180 #define DECLARE_HYDROGEN_ACCESSOR(type)     \
 181   H##type* hydrogen() const {               \
 182     return H##type::cast(hydrogen_value()); \
 183   }
 184
 185
 186 class LInstruction : public ZoneObject {
 187  public:
 188   LInstruction()
 189       : environment_(NULL),
 190         hydrogen_value_(NULL),
 191         bit_field_(IsCallBits::encode(false)) {
 192   }
 193
 194   virtual ~LInstruction() {}
 195
 196   virtual void CompileToNative(LCodeGen* generator) = 0;
 197   virtual const char* Mnemonic() const = 0;
 198   virtual void PrintTo(StringStream* stream);
 199   virtual void PrintDataTo(StringStream* stream);
 200   virtual void PrintOutputOperandTo(StringStream* stream);
 201
 202   enum Opcode {
 203     // Declare a unique enum value for each instruction.
 204 #define DECLARE_OPCODE(type) k##type,
 205     LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE)
 206     kNumberOfInstructions
 207 #undef DECLARE_OPCODE
 208   };
 209
 210   virtual Opcode opcode() const = 0;
 211
 212   // Declare non-virtual type testers for all leaf IR classes.
 213 #define DECLARE_PREDICATE(type) \
 214   bool Is##type() const { return opcode() == k##type; }
 215   LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE)
 216 #undef DECLARE_PREDICATE
 217
 218   // Declare virtual predicates for instructions that don't have
 219   // an opcode.
 220   virtual bool IsGap() const { return false; }
 221
 222   virtual bool IsControl() const { return false; }
 223
 224   // Try deleting this instruction if possible.
 225   virtual bool TryDelete() { return false; }
 226
 227   void set_environment(LEnvironment* env) { environment_ = env; }
 228   LEnvironment* environment() const { return environment_; }
 229   bool HasEnvironment() const { return environment_ != NULL; }
 230
 231   void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
 232   LPointerMap* pointer_map() const { return pointer_map_.get(); }
 233   bool HasPointerMap() const { return pointer_map_.is_set(); }
 234
 235   void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
 236   HValue* hydrogen_value() const { return hydrogen_value_; }
 237
 238   virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { }
 239
 240   void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
 241   bool IsCall() const { return IsCallBits::decode(bit_field_); }
 242
 243   // Interface to the register allocator and iterators.
 244   bool ClobbersTemps() const { return IsCall(); }
 245   bool ClobbersRegisters() const { return IsCall(); }
 246   virtual bool ClobbersDoubleRegisters(Isolate* isolate) const {
 247     return IsCall();
 248   }
 249
 250   // Interface to the register allocator and iterators.
 251   bool IsMarkedAsCall() const { return IsCall(); }
 252
 253   virtual bool HasResult() const = 0;
 254   virtual LOperand* result() const = 0;
 255
 256   LOperand* FirstInput() { return InputAt(0); }
 257   LOperand* Output() { return HasResult() ? result() : NULL; }
 258
 259   virtual bool HasInterestingComment(LCodeGen* gen) const { return true; }
 260
 261 #ifdef DEBUG
 262   void VerifyCall();
 263 #endif
 264
 265   virtual int InputCount() = 0;
 266   virtual LOperand* InputAt(int i) = 0;
 267
 268  private:
 269   // Iterator support.
 270   friend class InputIterator;
 271
 272   friend class TempIterator;
 273   virtual int TempCount() = 0;
 274   virtual LOperand* TempAt(int i) = 0;
 275
 276   class IsCallBits: public BitField<bool, 0, 1> {};
 277
 278   LEnvironment* environment_;
 279   SetOncePointer<LPointerMap> pointer_map_;
 280   HValue* hydrogen_value_;
 281   int bit_field_;
 282 };
 283
 284
 285 // R = number of result operands (0 or 1).
 286 template<int R>
 287 class LTemplateResultInstruction : public LInstruction {
 288  public:
 289   // Allow 0 or 1 output operands.
 290   STATIC_ASSERT(R == 0 || R == 1);
 291   bool HasResult() const final { return R != 0 && result() != NULL; }
 292   void set_result(LOperand* operand) { results_[0] = operand; }
 293   LOperand* result() const override { return results_[0]; }
 294
 295  protected:
 296   EmbeddedContainer<LOperand*, R> results_;
 297 };
 298
 299
 300 // R = number of result operands (0 or 1).
 301 // I = number of input operands.
 302 // T = number of temporary operands.
 303 template<int R, int I, int T>
 304 class LTemplateInstruction : public LTemplateResultInstruction<R> {
 305  protected:
 306   EmbeddedContainer<LOperand*, I> inputs_;
 307   EmbeddedContainer<LOperand*, T> temps_;
 308
 309  private:
 310   // Iterator support.
 311   int InputCount() final { return I; }
 312   LOperand* InputAt(int i) final { return inputs_[i]; }
 313
 314   int TempCount() final { return T; }
 315   LOperand* TempAt(int i) final { return temps_[i]; }
 316 };
 317
 318
 319 class LGap : public LTemplateInstruction<0, 0, 0> {
 320  public:
 321   explicit LGap(HBasicBlock* block)
 322       : block_(block) {
 323     parallel_moves_[BEFORE] = NULL;
 324     parallel_moves_[START] = NULL;
 325     parallel_moves_[END] = NULL;
 326     parallel_moves_[AFTER] = NULL;
 327   }
 328
 329   // Can't use the DECLARE-macro here because of sub-classes.
 330   bool IsGap() const override { return true; }
 331   void PrintDataTo(StringStream* stream) override;
 332   static LGap* cast(LInstruction* instr) {
 333     DCHECK(instr->IsGap());
 334     return reinterpret_cast<LGap*>(instr);
 335   }
 336
 337   bool IsRedundant() const;
 338
 339   HBasicBlock* block() const { return block_; }
 340
 341   enum InnerPosition {
 342     BEFORE,
 343     START,
 344     END,
 345     AFTER,
 346     FIRST_INNER_POSITION = BEFORE,
 347     LAST_INNER_POSITION = AFTER
 348   };
 349
 350   LParallelMove* GetOrCreateParallelMove(InnerPosition pos, Zone* zone)  {
 351     if (parallel_moves_[pos] == NULL) {
 352       parallel_moves_[pos] = new(zone) LParallelMove(zone);
 353     }
 354     return parallel_moves_[pos];
 355   }
 356
 357   LParallelMove* GetParallelMove(InnerPosition pos)  {
 358     return parallel_moves_[pos];
 359   }
 360
 361  private:
 362   LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
 363   HBasicBlock* block_;
 364 };
 365
 366
 367 class LInstructionGap final : public LGap {
 368  public:
 369   explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }
 370
 371   bool HasInterestingComment(LCodeGen* gen) const override {
 372     return !IsRedundant();
 373   }
 374
 375   DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
 376 };
 377
 378
 379 class LGoto final : public LTemplateInstruction<0, 0, 0> {
 380  public:
 381   explicit LGoto(HBasicBlock* block) : block_(block) { }
 382
 383   bool HasInterestingComment(LCodeGen* gen) const override;
 384   DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
 385   void PrintDataTo(StringStream* stream) override;
 386   bool IsControl() const override { return true; }
 387
 388   int block_id() const { return block_->block_id(); }
 389
 390  private:
 391   HBasicBlock* block_;
 392 };
 393
 394
 395 class LLazyBailout final : public LTemplateInstruction<0, 0, 0> {
 396  public:
 397   LLazyBailout() : gap_instructions_size_(0) { }
 398
 399   DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")
 400
 401   void set_gap_instructions_size(int gap_instructions_size) {
 402     gap_instructions_size_ = gap_instructions_size;
 403   }
 404   int gap_instructions_size() { return gap_instructions_size_; }
 405
 406  private:
 407   int gap_instructions_size_;
 408 };
 409
 410
 411 class LDummy final : public LTemplateInstruction<1, 0, 0> {
 412  public:
 413   LDummy() {}
 414   DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
 415 };
 416
 417
 418 class LDummyUse final : public LTemplateInstruction<1, 1, 0> {
 419  public:
 420   explicit LDummyUse(LOperand* value) {
 421     inputs_[0] = value;
 422   }
 423   DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
 424 };
 425
 426
 427 class LDeoptimize final : public LTemplateInstruction<0, 0, 0> {
 428  public:
 429   bool IsControl() const override { return true; }
 430   DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
 431   DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
 432 };
 433
 434
 435 class LLabel final : public LGap {
 436  public:
 437   explicit LLabel(HBasicBlock* block)
 438       : LGap(block), replacement_(NULL) { }
 439
 440   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
 441   DECLARE_CONCRETE_INSTRUCTION(Label, "label")
 442
 443   void PrintDataTo(StringStream* stream) override;
 444
 445   int block_id() const { return block()->block_id(); }
 446   bool is_loop_header() const { return block()->IsLoopHeader(); }
 447   bool is_osr_entry() const { return block()->is_osr_entry(); }
 448   Label* label() { return &label_; }
 449   LLabel* replacement() const { return replacement_; }
 450   void set_replacement(LLabel* label) { replacement_ = label; }
 451   bool HasReplacement() const { return replacement_ != NULL; }
 452
 453  private:
 454   Label label_;
 455   LLabel* replacement_;
 456 };
 457
 458
 459 class LParameter final : public LTemplateInstruction<1, 0, 0> {
 460  public:
 461   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
 462   DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
 463 };
 464
 465
 466 class LCallStub final : public LTemplateInstruction<1, 1, 0> {
 467  public:
 468   explicit LCallStub(LOperand* context) {
 469     inputs_[0] = context;
 470   }
 471
 472   LOperand* context() { return inputs_[0]; }
 473
 474   DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
 475   DECLARE_HYDROGEN_ACCESSOR(CallStub)
 476 };
 477
 478
 479 class LUnknownOSRValue final : public LTemplateInstruction<1, 0, 0> {
 480  public:
 481   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
 482   DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value")
 483 };
 484
 485
 486 template<int I, int T>
 487 class LControlInstruction : public LTemplateInstruction<0, I, T> {
 488  public:
 489   LControlInstruction() : false_label_(NULL), true_label_(NULL) { }
 490
 491   bool IsControl() const final { return true; }
 492
 493   int SuccessorCount() { return hydrogen()->SuccessorCount(); }
 494   HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); }
 495
 496   int TrueDestination(LChunk* chunk) {
 497     return chunk->LookupDestination(true_block_id());
 498   }
 499   int FalseDestination(LChunk* chunk) {
 500     return chunk->LookupDestination(false_block_id());
 501   }
 502
 503   Label* TrueLabel(LChunk* chunk) {
 504     if (true_label_ == NULL) {
 505       true_label_ = chunk->GetAssemblyLabel(TrueDestination(chunk));
 506     }
 507     return true_label_;
 508   }
 509   Label* FalseLabel(LChunk* chunk) {
 510     if (false_label_ == NULL) {
 511       false_label_ = chunk->GetAssemblyLabel(FalseDestination(chunk));
 512     }
 513     return false_label_;
 514   }
 515
 516  protected:
 517   int true_block_id() { return SuccessorAt(0)->block_id(); }
 518   int false_block_id() { return SuccessorAt(1)->block_id(); }
 519
 520  private:
 521   HControlInstruction* hydrogen() {
 522     return HControlInstruction::cast(this->hydrogen_value());
 523   }
 524
 525   Label* false_label_;
 526   Label* true_label_;
 527 };
 528
 529
 530 class LWrapReceiver final : public LTemplateInstruction<1, 2, 0> {
 531  public:
 532   LWrapReceiver(LOperand* receiver, LOperand* function) {
 533     inputs_[0] = receiver;
 534     inputs_[1] = function;
 535   }
 536
 537   DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver")
 538   DECLARE_HYDROGEN_ACCESSOR(WrapReceiver)
 539
 540   LOperand* receiver() { return inputs_[0]; }
 541   LOperand* function() { return inputs_[1]; }
 542 };
 543
 544
 545 class LApplyArguments final : public LTemplateInstruction<1, 4, 0> {
 546  public:
 547   LApplyArguments(LOperand* function,
 548                   LOperand* receiver,
 549                   LOperand* length,
 550                   LOperand* elements) {
 551     inputs_[0] = function;
 552     inputs_[1] = receiver;
 553     inputs_[2] = length;
 554     inputs_[3] = elements;
 555   }
 556
 557   DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
 558
 559   LOperand* function() { return inputs_[0]; }
 560   LOperand* receiver() { return inputs_[1]; }
 561   LOperand* length() { return inputs_[2]; }
 562   LOperand* elements() { return inputs_[3]; }
 563 };
 564
 565
 566 class LAccessArgumentsAt final : public LTemplateInstruction<1, 3, 0> {
 567  public:
 568   LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) {
 569     inputs_[0] = arguments;
 570     inputs_[1] = length;
 571     inputs_[2] = index;
 572   }
 573
 574   DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")
 575
 576   LOperand* arguments() { return inputs_[0]; }
 577   LOperand* length() { return inputs_[1]; }
 578   LOperand* index() { return inputs_[2]; }
 579
 580   void PrintDataTo(StringStream* stream) override;
 581 };
 582
 583
 584 class LArgumentsLength final : public LTemplateInstruction<1, 1, 0> {
 585  public:
 586   explicit LArgumentsLength(LOperand* elements) {
 587     inputs_[0] = elements;
 588   }
 589
 590   LOperand* elements() { return inputs_[0]; }
 591
 592   DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
 593 };
 594
 595
 596 class LArgumentsElements final : public LTemplateInstruction<1, 0, 0> {
 597  public:
 598   DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
 599   DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements)
 600 };
 601
 602
 603 class LModByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
 604  public:
 605   LModByPowerOf2I(LOperand* dividend, int32_t divisor) {
 606     inputs_[0] = dividend;
 607     divisor_ = divisor;
 608   }
 609
 610   LOperand* dividend() { return inputs_[0]; }
 611   int32_t divisor() const { return divisor_; }
 612
 613   DECLARE_CONCRETE_INSTRUCTION(ModByPowerOf2I, "mod-by-power-of-2-i")
 614   DECLARE_HYDROGEN_ACCESSOR(Mod)
 615
 616  private:
 617   int32_t divisor_;
 618 };
 619
 620
 621 class LModByConstI final : public LTemplateInstruction<1, 1, 0> {
 622  public:
 623   LModByConstI(LOperand* dividend, int32_t divisor) {
 624     inputs_[0] = dividend;
 625     divisor_ = divisor;
 626   }
 627
 628   LOperand* dividend() { return inputs_[0]; }
 629   int32_t divisor() const { return divisor_; }
 630
 631   DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i")
 632   DECLARE_HYDROGEN_ACCESSOR(Mod)
 633
 634  private:
 635   int32_t divisor_;
 636 };
 637
 638
 639 class LModI final : public LTemplateInstruction<1, 2, 2> {
 640  public:
 641   LModI(LOperand* left, LOperand* right, LOperand* temp, LOperand* temp2) {
 642     inputs_[0] = left;
 643     inputs_[1] = right;
 644     temps_[0] = temp;
 645     temps_[1] = temp2;
 646   }
 647
 648   LOperand* left() { return inputs_[0]; }
 649   LOperand* right() { return inputs_[1]; }
 650   LOperand* temp() { return temps_[0]; }
 651   LOperand* temp2() { return temps_[1]; }
 652
 653   DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
 654   DECLARE_HYDROGEN_ACCESSOR(Mod)
 655 };
 656
 657
 658 class LDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
 659  public:
 660   LDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
 661     inputs_[0] = dividend;
 662     divisor_ = divisor;
 663   }
 664
 665   LOperand* dividend() { return inputs_[0]; }
 666   int32_t divisor() const { return divisor_; }
 667
 668   DECLARE_CONCRETE_INSTRUCTION(DivByPowerOf2I, "div-by-power-of-2-i")
 669   DECLARE_HYDROGEN_ACCESSOR(Div)
 670
 671  private:
 672   int32_t divisor_;
 673 };
 674
 675
 676 class LDivByConstI final : public LTemplateInstruction<1, 1, 0> {
 677  public:
 678   LDivByConstI(LOperand* dividend, int32_t divisor) {
 679     inputs_[0] = dividend;
 680     divisor_ = divisor;
 681   }
 682
 683   LOperand* dividend() { return inputs_[0]; }
 684   int32_t divisor() const { return divisor_; }
 685
 686   DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i")
 687   DECLARE_HYDROGEN_ACCESSOR(Div)
 688
 689  private:
 690   int32_t divisor_;
 691 };
 692
 693
 694 class LDivI final : public LTemplateInstruction<1, 2, 1> {
 695  public:
 696   LDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
 697     inputs_[0] = dividend;
 698     inputs_[1] = divisor;
 699     temps_[0] = temp;
 700   }
 701
 702   LOperand* dividend() { return inputs_[0]; }
 703   LOperand* divisor() { return inputs_[1]; }
 704   LOperand* temp() { return temps_[0]; }
 705
 706   DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
 707   DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
 708 };
 709
 710
 711 class LFlooringDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
 712  public:
 713   LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
 714     inputs_[0] = dividend;
 715     divisor_ = divisor;
 716   }
 717
 718   LOperand* dividend() { return inputs_[0]; }
 719   int32_t divisor() { return divisor_; }
 720
 721   DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I,
 722                                "flooring-div-by-power-of-2-i")
 723   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
 724
 725  private:
 726   int32_t divisor_;
 727 };
 728
 729
 730 class LFlooringDivByConstI final : public LTemplateInstruction<1, 1, 2> {
 731  public:
 732   LFlooringDivByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
 733     inputs_[0] = dividend;
 734     divisor_ = divisor;
 735     temps_[0] = temp;
 736   }
 737
 738   LOperand* dividend() { return inputs_[0]; }
 739   int32_t divisor() const { return divisor_; }
 740   LOperand* temp() { return temps_[0]; }
 741
 742   DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i")
 743   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
 744
 745  private:
 746   int32_t divisor_;
 747 };
 748
 749
 750 class LFlooringDivI final : public LTemplateInstruction<1, 2, 1> {
 751  public:
 752   LFlooringDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
 753     inputs_[0] = dividend;
 754     inputs_[1] = divisor;
 755     temps_[0] = temp;
 756   }
 757
 758   LOperand* dividend() { return inputs_[0]; }
 759   LOperand* divisor() { return inputs_[1]; }
 760   LOperand* temp() { return temps_[0]; }
 761
 762   DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
 763   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
 764 };
 765
 766
 767 class LMulI final : public LTemplateInstruction<1, 2, 0> {
 768  public:
 769   LMulI(LOperand* left, LOperand* right) {
 770     inputs_[0] = left;
 771     inputs_[1] = right;
 772   }
 773
 774   LOperand* left() { return inputs_[0]; }
 775   LOperand* right() { return inputs_[1]; }
 776
 777   DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
 778   DECLARE_HYDROGEN_ACCESSOR(Mul)
 779 };
 780
 781
 782 // Instruction for computing multiplier * multiplicand + addend.
 783 class LMultiplyAddD final : public LTemplateInstruction<1, 3, 0> {
 784  public:
 785   LMultiplyAddD(LOperand* addend, LOperand* multiplier,
 786                 LOperand* multiplicand) {
 787     inputs_[0] = addend;
 788     inputs_[1] = multiplier;
 789     inputs_[2] = multiplicand;
 790   }
 791
 792   LOperand* addend() { return inputs_[0]; }
 793   LOperand* multiplier() { return inputs_[1]; }
 794   LOperand* multiplicand() { return inputs_[2]; }
 795
 796   DECLARE_CONCRETE_INSTRUCTION(MultiplyAddD, "multiply-add-d")
 797 };
 798
 799
 800 // Instruction for computing minuend - multiplier * multiplicand.
 801 class LMultiplySubD final : public LTemplateInstruction<1, 3, 0> {
 802  public:
 803   LMultiplySubD(LOperand* minuend, LOperand* multiplier,
 804                 LOperand* multiplicand) {
 805     inputs_[0] = minuend;
 806     inputs_[1] = multiplier;
 807     inputs_[2] = multiplicand;
 808   }
 809
 810   LOperand* minuend() { return inputs_[0]; }
 811   LOperand* multiplier() { return inputs_[1]; }
 812   LOperand* multiplicand() { return inputs_[2]; }
 813
 814   DECLARE_CONCRETE_INSTRUCTION(MultiplySubD, "multiply-sub-d")
 815 };
 816
 817
 818 class LDebugBreak final : public LTemplateInstruction<0, 0, 0> {
 819  public:
 820   DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
 821 };
 822
 823
 824 class LCompareNumericAndBranch final : public LControlInstruction<2, 0> {
 825  public:
 826   LCompareNumericAndBranch(LOperand* left, LOperand* right) {
 827     inputs_[0] = left;
 828     inputs_[1] = right;
 829   }
 830
 831   LOperand* left() { return inputs_[0]; }
 832   LOperand* right() { return inputs_[1]; }
 833
 834   DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch,
 835                                "compare-numeric-and-branch")
 836   DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch)
 837
 838   Token::Value op() const { return hydrogen()->token(); }
 839   bool is_double() const {
 840     return hydrogen()->representation().IsDouble();
 841   }
 842
 843   void PrintDataTo(StringStream* stream) override;
 844 };
 845
 846
 847 class LMathFloor final : public LTemplateInstruction<1, 1, 0> {
 848  public:
 849   explicit LMathFloor(LOperand* value) {
 850     inputs_[0] = value;
 851   }
 852
 853   LOperand* value() { return inputs_[0]; }
 854
 855   DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor")
 856   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 857 };
 858
 859
 860 class LMathRound final : public LTemplateInstruction<1, 1, 1> {
 861  public:
 862   LMathRound(LOperand* value, LOperand* temp) {
 863     inputs_[0] = value;
 864     temps_[0] = temp;
 865   }
 866
 867   LOperand* value() { return inputs_[0]; }
 868   LOperand* temp() { return temps_[0]; }
 869
 870   DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
 871   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 872 };
 873
 874
 875 class LMathFround final : public LTemplateInstruction<1, 1, 0> {
 876  public:
 877   explicit LMathFround(LOperand* value) { inputs_[0] = value; }
 878
 879   LOperand* value() { return inputs_[0]; }
 880
 881   DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
 882 };
 883
 884
 885 class LMathAbs final : public LTemplateInstruction<1, 2, 0> {
 886  public:
 887   LMathAbs(LOperand* context, LOperand* value) {
 888     inputs_[1] = context;
 889     inputs_[0] = value;
 890   }
 891
 892   LOperand* context() { return inputs_[1]; }
 893   LOperand* value() { return inputs_[0]; }
 894
 895   DECLARE_CONCRETE_INSTRUCTION(MathAbs, "math-abs")
 896   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 897 };
 898
 899
 900 class LMathLog final : public LTemplateInstruction<1, 1, 0> {
 901  public:
 902   explicit LMathLog(LOperand* value) {
 903     inputs_[0] = value;
 904   }
 905
 906   LOperand* value() { return inputs_[0]; }
 907
 908   DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
 909 };
 910
 911
 912 class LMathClz32 final : public LTemplateInstruction<1, 1, 0> {
 913  public:
 914   explicit LMathClz32(LOperand* value) {
 915     inputs_[0] = value;
 916   }
 917
 918   LOperand* value() { return inputs_[0]; }
 919
 920   DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
 921 };
 922
 923
 924 class LMathExp final : public LTemplateInstruction<1, 1, 3> {
 925  public:
 926   LMathExp(LOperand* value,
 927            LOperand* double_temp,
 928            LOperand* temp1,
 929            LOperand* temp2) {
 930     inputs_[0] = value;
 931     temps_[0] = temp1;
 932     temps_[1] = temp2;
 933     temps_[2] = double_temp;
 934     ExternalReference::InitializeMathExpData();
 935   }
 936
 937   LOperand* value() { return inputs_[0]; }
 938   LOperand* temp1() { return temps_[0]; }
 939   LOperand* temp2() { return temps_[1]; }
 940   LOperand* double_temp() { return temps_[2]; }
 941
 942   DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
 943 };
 944
 945
 946 class LMathSqrt final : public LTemplateInstruction<1, 1, 0> {
 947  public:
 948   explicit LMathSqrt(LOperand* value) {
 949     inputs_[0] = value;
 950   }
 951
 952   LOperand* value() { return inputs_[0]; }
 953
 954   DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
 955 };
 956
 957
 958 class LMathPowHalf final : public LTemplateInstruction<1, 1, 0> {
 959  public:
 960   explicit LMathPowHalf(LOperand* value) {
 961     inputs_[0] = value;
 962   }
 963
 964   LOperand* value() { return inputs_[0]; }
 965
 966   DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half")
 967 };
 968
 969
 970 class LCmpObjectEqAndBranch final : public LControlInstruction<2, 0> {
 971  public:
 972   LCmpObjectEqAndBranch(LOperand* left, LOperand* right) {
 973     inputs_[0] = left;
 974     inputs_[1] = right;
 975   }
 976
 977   LOperand* left() { return inputs_[0]; }
 978   LOperand* right() { return inputs_[1]; }
 979
 980   DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch, "cmp-object-eq-and-branch")
 981   DECLARE_HYDROGEN_ACCESSOR(CompareObjectEqAndBranch)
 982 };
 983
 984
 985 class LCmpHoleAndBranch final : public LControlInstruction<1, 0> {
 986  public:
 987   explicit LCmpHoleAndBranch(LOperand* object) {
 988     inputs_[0] = object;
 989   }
 990
 991   LOperand* object() { return inputs_[0]; }
 992
 993   DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranch, "cmp-hole-and-branch")
 994   DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch)
 995 };
 996
 997
 998 class LCompareMinusZeroAndBranch final : public LControlInstruction<1, 1> {
 999  public:
1000   LCompareMinusZeroAndBranch(LOperand* value, LOperand* temp) {
1001     inputs_[0] = value;
1002     temps_[0] = temp;
1003   }
1004
1005   LOperand* value() { return inputs_[0]; }
1006   LOperand* temp() { return temps_[0]; }
1007
1008   DECLARE_CONCRETE_INSTRUCTION(CompareMinusZeroAndBranch,
1009                                "cmp-minus-zero-and-branch")
1010   DECLARE_HYDROGEN_ACCESSOR(CompareMinusZeroAndBranch)
1011 };
1012
1013
1014 class LIsObjectAndBranch final : public LControlInstruction<1, 1> {
1015  public:
1016   LIsObjectAndBranch(LOperand* value, LOperand* temp) {
1017     inputs_[0] = value;
1018     temps_[0] = temp;
1019   }
1020
1021   LOperand* value() { return inputs_[0]; }
1022   LOperand* temp() { return temps_[0]; }
1023
1024   DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch")
1025   DECLARE_HYDROGEN_ACCESSOR(IsObjectAndBranch)
1026
1027   void PrintDataTo(StringStream* stream) override;
1028 };
1029
1030
1031 class LIsStringAndBranch final : public LControlInstruction<1, 1> {
1032  public:
1033   LIsStringAndBranch(LOperand* value, LOperand* temp) {
1034     inputs_[0] = value;
1035     temps_[0] = temp;
1036   }
1037
1038   LOperand* value() { return inputs_[0]; }
1039   LOperand* temp() { return temps_[0]; }
1040
1041   DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch")
1042   DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch)
1043
1044   void PrintDataTo(StringStream* stream) override;
1045 };
1046
1047
1048 class LIsSmiAndBranch final : public LControlInstruction<1, 0> {
1049  public:
1050   explicit LIsSmiAndBranch(LOperand* value) {
1051     inputs_[0] = value;
1052   }
1053
1054   LOperand* value() { return inputs_[0]; }
1055
1056   DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch")
1057   DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch)
1058
1059   void PrintDataTo(StringStream* stream) override;
1060 };
1061
1062
1063 class LIsUndetectableAndBranch final : public LControlInstruction<1, 1> {
1064  public:
1065   explicit LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
1066     inputs_[0] = value;
1067     temps_[0] = temp;
1068   }
1069
1070   LOperand* value() { return inputs_[0]; }
1071   LOperand* temp() { return temps_[0]; }
1072
1073   DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
1074                                "is-undetectable-and-branch")
1075   DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)
1076
1077   void PrintDataTo(StringStream* stream) override;
1078 };
1079
1080
1081 class LStringCompareAndBranch final : public LControlInstruction<3, 0> {
1082  public:
1083   LStringCompareAndBranch(LOperand* context, LOperand* left, LOperand* right) {
1084     inputs_[0] = context;
1085     inputs_[1] = left;
1086     inputs_[2] = right;
1087   }
1088
1089   LOperand* context() { return inputs_[0]; }
1090   LOperand* left() { return inputs_[1]; }
1091   LOperand* right() { return inputs_[2]; }
1092
1093   DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch,
1094                                "string-compare-and-branch")
1095   DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch)
1096
1097   Token::Value op() const { return hydrogen()->token(); }
1098
1099   void PrintDataTo(StringStream* stream) override;
1100 };
1101
1102
1103 class LHasInstanceTypeAndBranch final : public LControlInstruction<1, 0> {
1104  public:
1105   explicit LHasInstanceTypeAndBranch(LOperand* value) {
1106     inputs_[0] = value;
1107   }
1108
1109   LOperand* value() { return inputs_[0]; }
1110
1111   DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
1112                                "has-instance-type-and-branch")
1113   DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)
1114
1115   void PrintDataTo(StringStream* stream) override;
1116 };
1117
1118
1119 class LGetCachedArrayIndex final : public LTemplateInstruction<1, 1, 0> {
1120  public:
1121   explicit LGetCachedArrayIndex(LOperand* value) {
1122     inputs_[0] = value;
1123   }
1124
1125   LOperand* value() { return inputs_[0]; }
1126
1127   DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
1128   DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
1129 };
1130
1131
1132 class LHasCachedArrayIndexAndBranch final : public LControlInstruction<1, 0> {
1133  public:
1134   explicit LHasCachedArrayIndexAndBranch(LOperand* value) {
1135     inputs_[0] = value;
1136   }
1137
1138   LOperand* value() { return inputs_[0]; }
1139
1140   DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch,
1141                                "has-cached-array-index-and-branch")
1142   DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndexAndBranch)
1143
1144   void PrintDataTo(StringStream* stream) override;
1145 };
1146
1147
1148 class LClassOfTestAndBranch final : public LControlInstruction<1, 1> {
1149  public:
1150   LClassOfTestAndBranch(LOperand* value, LOperand* temp) {
1151     inputs_[0] = value;
1152     temps_[0] = temp;
1153   }
1154
1155   LOperand* value() { return inputs_[0]; }
1156   LOperand* temp() { return temps_[0]; }
1157
1158   DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
1159                                "class-of-test-and-branch")
1160   DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)
1161
1162   void PrintDataTo(StringStream* stream) override;
1163 };
1164
1165
1166 class LCmpT final : public LTemplateInstruction<1, 3, 0> {
1167  public:
1168   LCmpT(LOperand* context, LOperand* left, LOperand* right) {
1169     inputs_[0] = context;
1170     inputs_[1] = left;
1171     inputs_[2] = right;
1172   }
1173
1174   LOperand* context() { return inputs_[0]; }
1175   LOperand* left() { return inputs_[1]; }
1176   LOperand* right() { return inputs_[2]; }
1177
1178   DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
1179   DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)
1180
1181   Strength strength() { return hydrogen()->strength(); }
1182
1183   Token::Value op() const { return hydrogen()->token(); }
1184 };
1185
1186
1187 class LInstanceOf final : public LTemplateInstruction<1, 3, 0> {
1188  public:
1189   LInstanceOf(LOperand* context, LOperand* left, LOperand* right) {
1190     inputs_[0] = context;
1191     inputs_[1] = left;
1192     inputs_[2] = right;
1193   }
1194
1195   LOperand* context() { return inputs_[0]; }
1196   LOperand* left() { return inputs_[1]; }
1197   LOperand* right() { return inputs_[2]; }
1198
1199   DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of")
1200 };
1201
1202
1203 class LInstanceOfKnownGlobal final : public LTemplateInstruction<1, 2, 1> {
1204  public:
1205   LInstanceOfKnownGlobal(LOperand* context, LOperand* value, LOperand* temp) {
1206     inputs_[0] = context;
1207     inputs_[1] = value;
1208     temps_[0] = temp;
1209   }
1210
1211   LOperand* context() { return inputs_[0]; }
1212   LOperand* value() { return inputs_[1]; }
1213   LOperand* temp() { return temps_[0]; }
1214
1215   DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
1216                                "instance-of-known-global")
1217   DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
1218
1219   Handle<JSFunction> function() const { return hydrogen()->function(); }
1220   LEnvironment* GetDeferredLazyDeoptimizationEnvironment() {
1221     return lazy_deopt_env_;
1222   }
1223   virtual void SetDeferredLazyDeoptimizationEnvironment(
1224       LEnvironment* env) override {
1225     lazy_deopt_env_ = env;
1226   }
1227
1228  private:
1229   LEnvironment* lazy_deopt_env_;
1230 };
1231
1232
1233 class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> {
1234  public:
1235   LBoundsCheck(LOperand* index, LOperand* length) {
1236     inputs_[0] = index;
1237     inputs_[1] = length;
1238   }
1239
1240   LOperand* index() { return inputs_[0]; }
1241   LOperand* length() { return inputs_[1]; }
1242
1243   DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
1244   DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
1245 };
1246
1247
1248 class LBitI final : public LTemplateInstruction<1, 2, 0> {
1249  public:
1250   LBitI(LOperand* left, LOperand* right) {
1251     inputs_[0] = left;
1252     inputs_[1] = right;
1253   }
1254
1255   LOperand* left() { return inputs_[0]; }
1256   LOperand* right() { return inputs_[1]; }
1257
1258   Token::Value op() const { return hydrogen()->op(); }
1259
1260   DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
1261   DECLARE_HYDROGEN_ACCESSOR(Bitwise)
1262 };
1263
1264
1265 class LShiftI final : public LTemplateInstruction<1, 2, 0> {
1266  public:
1267   LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
1268       : op_(op), can_deopt_(can_deopt) {
1269     inputs_[0] = left;
1270     inputs_[1] = right;
1271   }
1272
1273   Token::Value op() const { return op_; }
1274   LOperand* left() { return inputs_[0]; }
1275   LOperand* right() { return inputs_[1]; }
1276   bool can_deopt() const { return can_deopt_; }
1277
1278   DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")
1279
1280  private:
1281   Token::Value op_;
1282   bool can_deopt_;
1283 };
1284
1285
1286 class LSubI final : public LTemplateInstruction<1, 2, 0> {
1287  public:
1288   LSubI(LOperand* left, LOperand* right) {
1289     inputs_[0] = left;
1290     inputs_[1] = right;
1291   }
1292
1293   LOperand* left() { return inputs_[0]; }
1294   LOperand* right() { return inputs_[1]; }
1295
1296   DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
1297   DECLARE_HYDROGEN_ACCESSOR(Sub)
1298 };
1299
1300
1301 class LRSubI final : public LTemplateInstruction<1, 2, 0> {
1302  public:
1303   LRSubI(LOperand* left, LOperand* right) {
1304     inputs_[0] = left;
1305     inputs_[1] = right;
1306   }
1307
1308   LOperand* left() { return inputs_[0]; }
1309   LOperand* right() { return inputs_[1]; }
1310
1311   DECLARE_CONCRETE_INSTRUCTION(RSubI, "rsub-i")
1312   DECLARE_HYDROGEN_ACCESSOR(Sub)
1313 };
1314
1315
1316 class LConstantI final : public LTemplateInstruction<1, 0, 0> {
1317  public:
1318   DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
1319   DECLARE_HYDROGEN_ACCESSOR(Constant)
1320
1321   int32_t value() const { return hydrogen()->Integer32Value(); }
1322 };
1323
1324
1325 class LConstantS final : public LTemplateInstruction<1, 0, 0> {
1326  public:
1327   DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
1328   DECLARE_HYDROGEN_ACCESSOR(Constant)
1329
1330   Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
1331 };
1332
1333
1334 class LConstantD final : public LTemplateInstruction<1, 0, 0> {
1335  public:
1336   DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
1337   DECLARE_HYDROGEN_ACCESSOR(Constant)
1338
1339   double value() const { return hydrogen()->DoubleValue(); }
1340   uint64_t bits() const { return hydrogen()->DoubleValueAsBits(); }
1341 };
1342
1343
1344 class LConstantE final : public LTemplateInstruction<1, 0, 0> {
1345  public:
1346   DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
1347   DECLARE_HYDROGEN_ACCESSOR(Constant)
1348
1349   ExternalReference value() const {
1350     return hydrogen()->ExternalReferenceValue();
1351   }
1352 };
1353
1354
1355 class LConstantT final : public LTemplateInstruction<1, 0, 0> {
1356  public:
1357   DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
1358   DECLARE_HYDROGEN_ACCESSOR(Constant)
1359
1360   Handle<Object> value(Isolate* isolate) const {
1361     return hydrogen()->handle(isolate);
1362   }
1363 };
1364
1365
1366 class LBranch final : public LControlInstruction<1, 0> {
1367  public:
1368   explicit LBranch(LOperand* value) {
1369     inputs_[0] = value;
1370   }
1371
1372   LOperand* value() { return inputs_[0]; }
1373
1374   DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
1375   DECLARE_HYDROGEN_ACCESSOR(Branch)
1376
1377   void PrintDataTo(StringStream* stream) override;
1378 };
1379
1380
1381 class LCmpMapAndBranch final : public LControlInstruction<1, 1> {
1382  public:
1383   LCmpMapAndBranch(LOperand* value, LOperand* temp) {
1384     inputs_[0] = value;
1385     temps_[0] = temp;
1386   }
1387
1388   LOperand* value() { return inputs_[0]; }
1389   LOperand* temp() { return temps_[0]; }
1390
1391   DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
1392   DECLARE_HYDROGEN_ACCESSOR(CompareMap)
1393
1394   Handle<Map> map() const { return hydrogen()->map().handle(); }
1395 };
1396
1397
1398 class LMapEnumLength final : public LTemplateInstruction<1, 1, 0> {
1399  public:
1400   explicit LMapEnumLength(LOperand* value) {
1401     inputs_[0] = value;
1402   }
1403
1404   LOperand* value() { return inputs_[0]; }
1405
1406   DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length")
1407 };
1408
1409
1410 class LDateField final : public LTemplateInstruction<1, 1, 1> {
1411  public:
1412   LDateField(LOperand* date, LOperand* temp, Smi* index) : index_(index) {
1413     inputs_[0] = date;
1414     temps_[0] = temp;
1415   }
1416
1417   LOperand* date() { return inputs_[0]; }
1418   LOperand* temp() { return temps_[0]; }
1419   Smi* index() const { return index_; }
1420
1421   DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
1422   DECLARE_HYDROGEN_ACCESSOR(DateField)
1423
1424  private:
1425   Smi* index_;
1426 };
1427
1428
1429 class LSeqStringGetChar final : public LTemplateInstruction<1, 2, 0> {
1430  public:
1431   LSeqStringGetChar(LOperand* string, LOperand* index) {
1432     inputs_[0] = string;
1433     inputs_[1] = index;
1434   }
1435
1436   LOperand* string() const { return inputs_[0]; }
1437   LOperand* index() const { return inputs_[1]; }
1438
1439   DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
1440   DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
1441 };
1442
1443
1444 class LSeqStringSetChar final : public LTemplateInstruction<1, 4, 0> {
1445  public:
1446   LSeqStringSetChar(LOperand* context,
1447                     LOperand* string,
1448                     LOperand* index,
1449                     LOperand* value) {
1450     inputs_[0] = context;
1451     inputs_[1] = string;
1452     inputs_[2] = index;
1453     inputs_[3] = value;
1454   }
1455
1456   LOperand* string() { return inputs_[1]; }
1457   LOperand* index() { return inputs_[2]; }
1458   LOperand* value() { return inputs_[3]; }
1459
1460   DECLARE_CONCRETE_INSTRUCTION(SeqStringSetChar, "seq-string-set-char")
1461   DECLARE_HYDROGEN_ACCESSOR(SeqStringSetChar)
1462 };
1463
1464
1465 class LAddI final : public LTemplateInstruction<1, 2, 0> {
1466  public:
1467   LAddI(LOperand* left, LOperand* right) {
1468     inputs_[0] = left;
1469     inputs_[1] = right;
1470   }
1471
1472   LOperand* left() { return inputs_[0]; }
1473   LOperand* right() { return inputs_[1]; }
1474
1475   DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
1476   DECLARE_HYDROGEN_ACCESSOR(Add)
1477 };
1478
1479
1480 class LMathMinMax final : public LTemplateInstruction<1, 2, 0> {
1481  public:
1482   LMathMinMax(LOperand* left, LOperand* right) {
1483     inputs_[0] = left;
1484     inputs_[1] = right;
1485   }
1486
1487   LOperand* left() { return inputs_[0]; }
1488   LOperand* right() { return inputs_[1]; }
1489
1490   DECLARE_CONCRETE_INSTRUCTION(MathMinMax, "math-min-max")
1491   DECLARE_HYDROGEN_ACCESSOR(MathMinMax)
1492 };
1493
1494
1495 class LPower final : public LTemplateInstruction<1, 2, 0> {
1496  public:
1497   LPower(LOperand* left, LOperand* right) {
1498     inputs_[0] = left;
1499     inputs_[1] = right;
1500   }
1501
1502   LOperand* left() { return inputs_[0]; }
1503   LOperand* right() { return inputs_[1]; }
1504
1505   DECLARE_CONCRETE_INSTRUCTION(Power, "power")
1506   DECLARE_HYDROGEN_ACCESSOR(Power)
1507 };
1508
1509
1510 class LArithmeticD final : public LTemplateInstruction<1, 2, 0> {
1511  public:
1512   LArithmeticD(Token::Value op, LOperand* left, LOperand* right)
1513       : op_(op) {
1514     inputs_[0] = left;
1515     inputs_[1] = right;
1516   }
1517
1518   Token::Value op() const { return op_; }
1519   LOperand* left() { return inputs_[0]; }
1520   LOperand* right() { return inputs_[1]; }
1521
1522   Opcode opcode() const override { return LInstruction::kArithmeticD; }
1523   void CompileToNative(LCodeGen* generator) override;
1524   const char* Mnemonic() const override;
1525
1526  private:
1527   Token::Value op_;
1528 };
1529
1530
1531 class LArithmeticT final : public LTemplateInstruction<1, 3, 0> {
1532  public:
1533   LArithmeticT(Token::Value op,
1534                LOperand* context,
1535                LOperand* left,
1536                LOperand* right)
1537       : op_(op) {
1538     inputs_[0] = context;
1539     inputs_[1] = left;
1540     inputs_[2] = right;
1541   }
1542
1543   LOperand* context() { return inputs_[0]; }
1544   LOperand* left() { return inputs_[1]; }
1545   LOperand* right() { return inputs_[2]; }
1546   Token::Value op() const { return op_; }
1547
1548   Opcode opcode() const override { return LInstruction::kArithmeticT; }
1549   void CompileToNative(LCodeGen* generator) override;
1550   const char* Mnemonic() const override;
1551
1552   DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
1553
1554   Strength strength() { return hydrogen()->strength(); }
1555
1556  private:
1557   Token::Value op_;
1558 };
1559
1560
1561 class LReturn final : public LTemplateInstruction<0, 3, 0> {
1562  public:
1563   LReturn(LOperand* value, LOperand* context, LOperand* parameter_count) {
1564     inputs_[0] = value;
1565     inputs_[1] = context;
1566     inputs_[2] = parameter_count;
1567   }
1568
1569   LOperand* value() { return inputs_[0]; }
1570
1571   bool has_constant_parameter_count() {
1572     return parameter_count()->IsConstantOperand();
1573   }
1574   LConstantOperand* constant_parameter_count() {
1575     DCHECK(has_constant_parameter_count());
1576     return LConstantOperand::cast(parameter_count());
1577   }
1578   LOperand* parameter_count() { return inputs_[2]; }
1579
1580   DECLARE_CONCRETE_INSTRUCTION(Return, "return")
1581 };
1582
1583
1584 class LLoadNamedField final : public LTemplateInstruction<1, 1, 0> {
1585  public:
1586   explicit LLoadNamedField(LOperand* object) {
1587     inputs_[0] = object;
1588   }
1589
1590   LOperand* object() { return inputs_[0]; }
1591
1592   DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
1593   DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
1594 };
1595
1596
1597 class LLoadNamedGeneric final : public LTemplateInstruction<1, 2, 1> {
1598  public:
1599   LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
1600     inputs_[0] = context;
1601     inputs_[1] = object;
1602     temps_[0] = vector;
1603   }
1604
1605   LOperand* context() { return inputs_[0]; }
1606   LOperand* object() { return inputs_[1]; }
1607   LOperand* temp_vector() { return temps_[0]; }
1608
1609   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
1610   DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
1611
1612   Handle<Object> name() const { return hydrogen()->name(); }
1613 };
1614
1615
1616 class LLoadFunctionPrototype final : public LTemplateInstruction<1, 1, 0> {
1617  public:
1618   explicit LLoadFunctionPrototype(LOperand* function) {
1619     inputs_[0] = function;
1620   }
1621
1622   LOperand* function() { return inputs_[0]; }
1623
1624   DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
1625   DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
1626 };
1627
1628
1629 class LLoadRoot final : public LTemplateInstruction<1, 0, 0> {
1630  public:
1631   DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
1632   DECLARE_HYDROGEN_ACCESSOR(LoadRoot)
1633
1634   Heap::RootListIndex index() const { return hydrogen()->index(); }
1635 };
1636
1637
1638 class LLoadKeyed final : public LTemplateInstruction<1, 2, 0> {
1639  public:
1640   LLoadKeyed(LOperand* elements, LOperand* key) {
1641     inputs_[0] = elements;
1642     inputs_[1] = key;
1643   }
1644
1645   LOperand* elements() { return inputs_[0]; }
1646   LOperand* key() { return inputs_[1]; }
1647   ElementsKind elements_kind() const {
1648     return hydrogen()->elements_kind();
1649   }
1650   bool is_fixed_typed_array() const {
1651     return hydrogen()->is_fixed_typed_array();
1652   }
1653
1654   DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed")
1655   DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
1656
1657   void PrintDataTo(StringStream* stream) override;
1658   uint32_t base_offset() const { return hydrogen()->base_offset(); }
1659 };
1660
1661
1662 class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
1663  public:
1664   LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
1665                     LOperand* vector) {
1666     inputs_[0] = context;
1667     inputs_[1] = object;
1668     inputs_[2] = key;
1669     temps_[0] = vector;
1670   }
1671
1672   LOperand* context() { return inputs_[0]; }
1673   LOperand* object() { return inputs_[1]; }
1674   LOperand* key() { return inputs_[2]; }
1675   LOperand* temp_vector() { return temps_[0]; }
1676
1677   DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
1678   DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
1679 };
1680
1681
1682 class LLoadGlobalGeneric final : public LTemplateInstruction<1, 2, 1> {
1683  public:
1684   LLoadGlobalGeneric(LOperand* context, LOperand* global_object,
1685                      LOperand* vector) {
1686     inputs_[0] = context;
1687     inputs_[1] = global_object;
1688     temps_[0] = vector;
1689   }
1690
1691   LOperand* context() { return inputs_[0]; }
1692   LOperand* global_object() { return inputs_[1]; }
1693   LOperand* temp_vector() { return temps_[0]; }
1694
1695   DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
1696   DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
1697
1698   Handle<Object> name() const { return hydrogen()->name(); }
1699   TypeofMode typeof_mode() const { return hydrogen()->typeof_mode(); }
1700 };
1701
1702
1703 class LLoadGlobalViaContext final : public LTemplateInstruction<1, 1, 1> {
1704  public:
1705   explicit LLoadGlobalViaContext(LOperand* context) { inputs_[0] = context; }
1706
1707   DECLARE_CONCRETE_INSTRUCTION(LoadGlobalViaContext, "load-global-via-context")
1708   DECLARE_HYDROGEN_ACCESSOR(LoadGlobalViaContext)
1709
1710   void PrintDataTo(StringStream* stream) override;
1711
1712   LOperand* context() { return inputs_[0]; }
1713
1714   int depth() const { return hydrogen()->depth(); }
1715   int slot_index() const { return hydrogen()->slot_index(); }
1716 };
1717
1718
1719 class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
1720  public:
1721   explicit LLoadContextSlot(LOperand* context) {
1722     inputs_[0] = context;
1723   }
1724
1725   LOperand* context() { return inputs_[0]; }
1726
1727   DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
1728   DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)
1729
1730   int slot_index() { return hydrogen()->slot_index(); }
1731
1732   void PrintDataTo(StringStream* stream) override;
1733 };
1734
1735
1736 class LStoreContextSlot final : public LTemplateInstruction<0, 2, 0> {
1737  public:
1738   LStoreContextSlot(LOperand* context, LOperand* value) {
1739     inputs_[0] = context;
1740     inputs_[1] = value;
1741   }
1742
1743   LOperand* context() { return inputs_[0]; }
1744   LOperand* value() { return inputs_[1]; }
1745
1746   DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
1747   DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)
1748
1749   int slot_index() { return hydrogen()->slot_index(); }
1750
1751   void PrintDataTo(StringStream* stream) override;
1752 };
1753
1754
1755 class LPushArgument final : public LTemplateInstruction<0, 1, 0> {
1756  public:
1757   explicit LPushArgument(LOperand* value) {
1758     inputs_[0] = value;
1759   }
1760
1761   LOperand* value() { return inputs_[0]; }
1762
1763   DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
1764 };
1765
1766
1767 class LDrop final : public LTemplateInstruction<0, 0, 0> {
1768  public:
1769   explicit LDrop(int count) : count_(count) { }
1770
1771   int count() const { return count_; }
1772
1773   DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")
1774
1775  private:
1776   int count_;
1777 };
1778
1779
1780 class LStoreCodeEntry final : public LTemplateInstruction<0, 2, 0> {
1781  public:
1782   LStoreCodeEntry(LOperand* function, LOperand* code_object) {
1783     inputs_[0] = function;
1784     inputs_[1] = code_object;
1785   }
1786
1787   LOperand* function() { return inputs_[0]; }
1788   LOperand* code_object() { return inputs_[1]; }
1789
1790   void PrintDataTo(StringStream* stream) override;
1791
1792   DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
1793   DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
1794 };
1795
1796
1797 class LInnerAllocatedObject final : public LTemplateInstruction<1, 2, 0> {
1798  public:
1799   LInnerAllocatedObject(LOperand* base_object, LOperand* offset) {
1800     inputs_[0] = base_object;
1801     inputs_[1] = offset;
1802   }
1803
1804   LOperand* base_object() const { return inputs_[0]; }
1805   LOperand* offset() const { return inputs_[1]; }
1806
1807   void PrintDataTo(StringStream* stream) override;
1808
1809   DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
1810 };
1811
1812
1813 class LThisFunction final : public LTemplateInstruction<1, 0, 0> {
1814  public:
1815   DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
1816   DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
1817 };
1818
1819
1820 class LContext final : public LTemplateInstruction<1, 0, 0> {
1821  public:
1822   DECLARE_CONCRETE_INSTRUCTION(Context, "context")
1823   DECLARE_HYDROGEN_ACCESSOR(Context)
1824 };
1825
1826
1827 class LDeclareGlobals final : public LTemplateInstruction<0, 1, 0> {
1828  public:
1829   explicit LDeclareGlobals(LOperand* context) {
1830     inputs_[0] = context;
1831   }
1832
1833   LOperand* context() { return inputs_[0]; }
1834
1835   DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
1836   DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
1837 };
1838
1839
1840 class LCallJSFunction final : public LTemplateInstruction<1, 1, 0> {
1841  public:
1842   explicit LCallJSFunction(LOperand* function) {
1843     inputs_[0] = function;
1844   }
1845
1846   LOperand* function() { return inputs_[0]; }
1847
1848   DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
1849   DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
1850
1851   void PrintDataTo(StringStream* stream) override;
1852
1853   int arity() const { return hydrogen()->argument_count() - 1; }
1854 };
1855
1856
1857 class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
1858  public:
1859   LCallWithDescriptor(CallInterfaceDescriptor descriptor,
1860                       const ZoneList<LOperand*>& operands, Zone* zone)
1861       : descriptor_(descriptor),
1862         inputs_(descriptor.GetRegisterParameterCount() +
1863                     kImplicitRegisterParameterCount,
1864                 zone) {
1865     DCHECK(descriptor.GetRegisterParameterCount() +
1866                kImplicitRegisterParameterCount ==
1867            operands.length());
1868     inputs_.AddAll(operands, zone);
1869   }
1870
1871   LOperand* target() const { return inputs_[0]; }
1872
1873   const CallInterfaceDescriptor descriptor() { return descriptor_; }
1874
1875   DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)
1876
1877   // The target and context are passed as implicit parameters that are not
1878   // explicitly listed in the descriptor.
1879   static const int kImplicitRegisterParameterCount = 2;
1880
1881  private:
1882   DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")
1883
1884   void PrintDataTo(StringStream* stream) override;
1885
1886   int arity() const { return hydrogen()->argument_count() - 1; }
1887
1888   CallInterfaceDescriptor descriptor_;
1889   ZoneList<LOperand*> inputs_;
1890
1891   // Iterator support.
1892   int InputCount() final { return inputs_.length(); }
1893   LOperand* InputAt(int i) final { return inputs_[i]; }
1894
1895   int TempCount() final { return 0; }
1896   LOperand* TempAt(int i) final { return NULL; }
1897 };
1898
1899
1900 class LInvokeFunction final : public LTemplateInstruction<1, 2, 0> {
1901  public:
1902   LInvokeFunction(LOperand* context, LOperand* function) {
1903     inputs_[0] = context;
1904     inputs_[1] = function;
1905   }
1906
1907   LOperand* context() { return inputs_[0]; }
1908   LOperand* function() { return inputs_[1]; }
1909
1910   DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function")
1911   DECLARE_HYDROGEN_ACCESSOR(InvokeFunction)
1912
1913   void PrintDataTo(StringStream* stream) override;
1914
1915   int arity() const { return hydrogen()->argument_count() - 1; }
1916 };
1917
1918
1919 class LCallFunction final : public LTemplateInstruction<1, 2, 2> {
1920  public:
1921   LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
1922                 LOperand* vector) {
1923     inputs_[0] = context;
1924     inputs_[1] = function;
1925     temps_[0] = slot;
1926     temps_[1] = vector;
1927   }
1928
1929   LOperand* context() { return inputs_[0]; }
1930   LOperand* function() { return inputs_[1]; }
1931   LOperand* temp_slot() { return temps_[0]; }
1932   LOperand* temp_vector() { return temps_[1]; }
1933
1934   DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
1935   DECLARE_HYDROGEN_ACCESSOR(CallFunction)
1936
1937   int arity() const { return hydrogen()->argument_count() - 1; }
1938   void PrintDataTo(StringStream* stream) override;
1939 };
1940
1941
1942 class LCallNew final : public LTemplateInstruction<1, 2, 0> {
1943  public:
1944   LCallNew(LOperand* context, LOperand* constructor) {
1945     inputs_[0] = context;
1946     inputs_[1] = constructor;
1947   }
1948
1949   LOperand* context() { return inputs_[0]; }
1950   LOperand* constructor() { return inputs_[1]; }
1951
1952   DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new")
1953   DECLARE_HYDROGEN_ACCESSOR(CallNew)
1954
1955   void PrintDataTo(StringStream* stream) override;
1956
1957   int arity() const { return hydrogen()->argument_count() - 1; }
1958 };
1959
1960
1961 class LCallNewArray final : public LTemplateInstruction<1, 2, 0> {
1962  public:
1963   LCallNewArray(LOperand* context, LOperand* constructor) {
1964     inputs_[0] = context;
1965     inputs_[1] = constructor;
1966   }
1967
1968   LOperand* context() { return inputs_[0]; }
1969   LOperand* constructor() { return inputs_[1]; }
1970
1971   DECLARE_CONCRETE_INSTRUCTION(CallNewArray, "call-new-array")
1972   DECLARE_HYDROGEN_ACCESSOR(CallNewArray)
1973
1974   void PrintDataTo(StringStream* stream) override;
1975
1976   int arity() const { return hydrogen()->argument_count() - 1; }
1977 };
1978
1979
1980 class LCallRuntime final : public LTemplateInstruction<1, 1, 0> {
1981  public:
1982   explicit LCallRuntime(LOperand* context) {
1983     inputs_[0] = context;
1984   }
1985
1986   LOperand* context() { return inputs_[0]; }
1987
1988   DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
1989   DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
1990
1991   bool ClobbersDoubleRegisters(Isolate* isolate) const override {
1992     return save_doubles() == kDontSaveFPRegs;
1993   }
1994
1995   const Runtime::Function* function() const { return hydrogen()->function(); }
1996   int arity() const { return hydrogen()->argument_count(); }
1997   SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); }
1998 };
1999
2000
2001 class LInteger32ToDouble final : public LTemplateInstruction<1, 1, 0> {
2002  public:
2003   explicit LInteger32ToDouble(LOperand* value) {
2004     inputs_[0] = value;
2005   }
2006
2007   LOperand* value() { return inputs_[0]; }
2008
2009   DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
2010 };
2011
2012
2013 class LUint32ToDouble final : public LTemplateInstruction<1, 1, 0> {
2014  public:
2015   explicit LUint32ToDouble(LOperand* value) {
2016     inputs_[0] = value;
2017   }
2018
2019   LOperand* value() { return inputs_[0]; }
2020
2021   DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
2022 };
2023
2024
2025 class LNumberTagI final : public LTemplateInstruction<1, 1, 2> {
2026  public:
2027   LNumberTagI(LOperand* value, LOperand* temp1, LOperand* temp2) {
2028     inputs_[0] = value;
2029     temps_[0] = temp1;
2030     temps_[1] = temp2;
2031   }
2032
2033   LOperand* value() { return inputs_[0]; }
2034   LOperand* temp1() { return temps_[0]; }
2035   LOperand* temp2() { return temps_[1]; }
2036
2037   DECLARE_CONCRETE_INSTRUCTION(NumberTagI, "number-tag-i")
2038 };
2039
2040
2041 class LNumberTagU final : public LTemplateInstruction<1, 1, 2> {
2042  public:
2043   LNumberTagU(LOperand* value, LOperand* temp1, LOperand* temp2) {
2044     inputs_[0] = value;
2045     temps_[0] = temp1;
2046     temps_[1] = temp2;
2047   }
2048
2049   LOperand* value() { return inputs_[0]; }
2050   LOperand* temp1() { return temps_[0]; }
2051   LOperand* temp2() { return temps_[1]; }
2052
2053   DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u")
2054 };
2055
2056
2057 class LNumberTagD final : public LTemplateInstruction<1, 1, 2> {
2058  public:
2059   LNumberTagD(LOperand* value, LOperand* temp, LOperand* temp2) {
2060     inputs_[0] = value;
2061     temps_[0] = temp;
2062     temps_[1] = temp2;
2063   }
2064
2065   LOperand* value() { return inputs_[0]; }
2066   LOperand* temp() { return temps_[0]; }
2067   LOperand* temp2() { return temps_[1]; }
2068
2069   DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
2070   DECLARE_HYDROGEN_ACCESSOR(Change)
2071 };
2072
2073
2074 class LDoubleToSmi final : public LTemplateInstruction<1, 1, 0> {
2075  public:
2076   explicit LDoubleToSmi(LOperand* value) {
2077     inputs_[0] = value;
2078   }
2079
2080   LOperand* value() { return inputs_[0]; }
2081
2082   DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
2083   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2084
2085   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2086 };
2087
2088
2089 // Sometimes truncating conversion from a tagged value to an int32.
2090 class LDoubleToI final : public LTemplateInstruction<1, 1, 0> {
2091  public:
2092   explicit LDoubleToI(LOperand* value) {
2093     inputs_[0] = value;
2094   }
2095
2096   LOperand* value() { return inputs_[0]; }
2097
2098   DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
2099   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2100
2101   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2102 };
2103
2104
2105 // Truncating conversion from a tagged value to an int32.
2106 class LTaggedToI final : public LTemplateInstruction<1, 1, 2> {
2107  public:
2108   LTaggedToI(LOperand* value,
2109              LOperand* temp,
2110              LOperand* temp2) {
2111     inputs_[0] = value;
2112     temps_[0] = temp;
2113     temps_[1] = temp2;
2114   }
2115
2116   LOperand* value() { return inputs_[0]; }
2117   LOperand* temp() { return temps_[0]; }
2118   LOperand* temp2() { return temps_[1]; }
2119
2120   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
2121   DECLARE_HYDROGEN_ACCESSOR(Change)
2122
2123   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2124 };
2125
2126
2127 class LSmiTag final : public LTemplateInstruction<1, 1, 0> {
2128  public:
2129   explicit LSmiTag(LOperand* value) {
2130     inputs_[0] = value;
2131   }
2132
2133   LOperand* value() { return inputs_[0]; }
2134
2135   DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
2136   DECLARE_HYDROGEN_ACCESSOR(Change)
2137 };
2138
2139
2140 class LNumberUntagD final : public LTemplateInstruction<1, 1, 0> {
2141  public:
2142   explicit LNumberUntagD(LOperand* value) {
2143     inputs_[0] = value;
2144   }
2145
2146   LOperand* value() { return inputs_[0]; }
2147
2148   DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
2149   DECLARE_HYDROGEN_ACCESSOR(Change)
2150 };
2151
2152
2153 class LSmiUntag final : public LTemplateInstruction<1, 1, 0> {
2154  public:
2155   LSmiUntag(LOperand* value, bool needs_check)
2156       : needs_check_(needs_check) {
2157     inputs_[0] = value;
2158   }
2159
2160   LOperand* value() { return inputs_[0]; }
2161   bool needs_check() const { return needs_check_; }
2162
2163   DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
2164
2165  private:
2166   bool needs_check_;
2167 };
2168
2169
2170 class LStoreNamedField final : public LTemplateInstruction<0, 2, 1> {
2171  public:
2172   LStoreNamedField(LOperand* object, LOperand* value, LOperand* temp) {
2173     inputs_[0] = object;
2174     inputs_[1] = value;
2175     temps_[0] = temp;
2176   }
2177
2178   LOperand* object() { return inputs_[0]; }
2179   LOperand* value() { return inputs_[1]; }
2180   LOperand* temp() { return temps_[0]; }
2181
2182   DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
2183   DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
2184
2185   void PrintDataTo(StringStream* stream) override;
2186
2187   Representation representation() const {
2188     return hydrogen()->field_representation();
2189   }
2190 };
2191
2192
2193 class LStoreNamedGeneric final : public LTemplateInstruction<0, 3, 2> {
2194  public:
2195   LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value,
2196                      LOperand* slot, LOperand* vector) {
2197     inputs_[0] = context;
2198     inputs_[1] = object;
2199     inputs_[2] = value;
2200     temps_[0] = slot;
2201     temps_[1] = vector;
2202   }
2203
2204   LOperand* context() { return inputs_[0]; }
2205   LOperand* object() { return inputs_[1]; }
2206   LOperand* value() { return inputs_[2]; }
2207   LOperand* temp_slot() { return temps_[0]; }
2208   LOperand* temp_vector() { return temps_[1]; }
2209
2210   DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
2211   DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)
2212
2213   void PrintDataTo(StringStream* stream) override;
2214
2215   Handle<Object> name() const { return hydrogen()->name(); }
2216   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2217 };
2218
2219
2220 class LStoreGlobalViaContext final : public LTemplateInstruction<0, 2, 0> {
2221  public:
2222   LStoreGlobalViaContext(LOperand* context, LOperand* value) {
2223     inputs_[0] = context;
2224     inputs_[1] = value;
2225   }
2226
2227   LOperand* context() { return inputs_[0]; }
2228   LOperand* value() { return inputs_[1]; }
2229
2230   DECLARE_CONCRETE_INSTRUCTION(StoreGlobalViaContext,
2231                                "store-global-via-context")
2232   DECLARE_HYDROGEN_ACCESSOR(StoreGlobalViaContext)
2233
2234   void PrintDataTo(StringStream* stream) override;
2235
2236   int depth() { return hydrogen()->depth(); }
2237   int slot_index() { return hydrogen()->slot_index(); }
2238   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2239 };
2240
2241
2242 class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> {
2243  public:
2244   LStoreKeyed(LOperand* object, LOperand* key, LOperand* value) {
2245     inputs_[0] = object;
2246     inputs_[1] = key;
2247     inputs_[2] = value;
2248   }
2249
2250   bool is_fixed_typed_array() const {
2251     return hydrogen()->is_fixed_typed_array();
2252   }
2253   LOperand* elements() { return inputs_[0]; }
2254   LOperand* key() { return inputs_[1]; }
2255   LOperand* value() { return inputs_[2]; }
2256   ElementsKind elements_kind() const {
2257     return hydrogen()->elements_kind();
2258   }
2259
2260   DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed")
2261   DECLARE_HYDROGEN_ACCESSOR(StoreKeyed)
2262
2263   void PrintDataTo(StringStream* stream) override;
2264   bool NeedsCanonicalization() {
2265     if (hydrogen()->value()->IsAdd() || hydrogen()->value()->IsSub() ||
2266         hydrogen()->value()->IsMul() || hydrogen()->value()->IsDiv()) {
2267       return false;
2268     }
2269     return hydrogen()->NeedsCanonicalization();
2270   }
2271   uint32_t base_offset() const { return hydrogen()->base_offset(); }
2272 };
2273
2274
2275 class LStoreKeyedGeneric final : public LTemplateInstruction<0, 4, 2> {
2276  public:
2277   LStoreKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
2278                      LOperand* value, LOperand* slot, LOperand* vector) {
2279     inputs_[0] = context;
2280     inputs_[1] = object;
2281     inputs_[2] = key;
2282     inputs_[3] = value;
2283     temps_[0] = slot;
2284     temps_[1] = vector;
2285   }
2286
2287   LOperand* context() { return inputs_[0]; }
2288   LOperand* object() { return inputs_[1]; }
2289   LOperand* key() { return inputs_[2]; }
2290   LOperand* value() { return inputs_[3]; }
2291   LOperand* temp_slot() { return temps_[0]; }
2292   LOperand* temp_vector() { return temps_[1]; }
2293
2294   DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
2295   DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
2296
2297   void PrintDataTo(StringStream* stream) override;
2298
2299   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2300 };
2301
2302
2303 class LTransitionElementsKind final : public LTemplateInstruction<0, 2, 1> {
2304  public:
2305   LTransitionElementsKind(LOperand* object,
2306                           LOperand* context,
2307                           LOperand* new_map_temp) {
2308     inputs_[0] = object;
2309     inputs_[1] = context;
2310     temps_[0] = new_map_temp;
2311   }
2312
2313   LOperand* context() { return inputs_[1]; }
2314   LOperand* object() { return inputs_[0]; }
2315   LOperand* new_map_temp() { return temps_[0]; }
2316
2317   DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
2318                                "transition-elements-kind")
2319   DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)
2320
2321   void PrintDataTo(StringStream* stream) override;
2322
2323   Handle<Map> original_map() { return hydrogen()->original_map().handle(); }
2324   Handle<Map> transitioned_map() {
2325     return hydrogen()->transitioned_map().handle();
2326   }
2327   ElementsKind from_kind() { return hydrogen()->from_kind(); }
2328   ElementsKind to_kind() { return hydrogen()->to_kind(); }
2329 };
2330
2331
2332 class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 1> {
2333  public:
2334   LTrapAllocationMemento(LOperand* object,
2335                          LOperand* temp) {
2336     inputs_[0] = object;
2337     temps_[0] = temp;
2338   }
2339
2340   LOperand* object() { return inputs_[0]; }
2341   LOperand* temp() { return temps_[0]; }
2342
2343   DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento,
2344                                "trap-allocation-memento")
2345 };
2346
2347
2348 class LMaybeGrowElements final : public LTemplateInstruction<1, 5, 0> {
2349  public:
2350   LMaybeGrowElements(LOperand* context, LOperand* object, LOperand* elements,
2351                      LOperand* key, LOperand* current_capacity) {
2352     inputs_[0] = context;
2353     inputs_[1] = object;
2354     inputs_[2] = elements;
2355     inputs_[3] = key;
2356     inputs_[4] = current_capacity;
2357   }
2358
2359   LOperand* context() { return inputs_[0]; }
2360   LOperand* object() { return inputs_[1]; }
2361   LOperand* elements() { return inputs_[2]; }
2362   LOperand* key() { return inputs_[3]; }
2363   LOperand* current_capacity() { return inputs_[4]; }
2364
2365   DECLARE_HYDROGEN_ACCESSOR(MaybeGrowElements)
2366   DECLARE_CONCRETE_INSTRUCTION(MaybeGrowElements, "maybe-grow-elements")
2367 };
2368
2369
2370 class LStringAdd final : public LTemplateInstruction<1, 3, 0> {
2371  public:
2372   LStringAdd(LOperand* context, LOperand* left, LOperand* right) {
2373     inputs_[0] = context;
2374     inputs_[1] = left;
2375     inputs_[2] = right;
2376   }
2377
2378   LOperand* context() { return inputs_[0]; }
2379   LOperand* left() { return inputs_[1]; }
2380   LOperand* right() { return inputs_[2]; }
2381
2382   DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add")
2383   DECLARE_HYDROGEN_ACCESSOR(StringAdd)
2384 };
2385
2386
2387 class LStringCharCodeAt final : public LTemplateInstruction<1, 3, 0> {
2388  public:
2389   LStringCharCodeAt(LOperand* context, LOperand* string, LOperand* index) {
2390     inputs_[0] = context;
2391     inputs_[1] = string;
2392     inputs_[2] = index;
2393   }
2394
2395   LOperand* context() { return inputs_[0]; }
2396   LOperand* string() { return inputs_[1]; }
2397   LOperand* index() { return inputs_[2]; }
2398
2399   DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at")
2400   DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt)
2401 };
2402
2403
2404 class LStringCharFromCode final : public LTemplateInstruction<1, 2, 0> {
2405  public:
2406   explicit LStringCharFromCode(LOperand* context, LOperand* char_code) {
2407     inputs_[0] = context;
2408     inputs_[1] = char_code;
2409   }
2410
2411   LOperand* context() { return inputs_[0]; }
2412   LOperand* char_code() { return inputs_[1]; }
2413
2414   DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code")
2415   DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode)
2416 };
2417
2418
2419 class LCheckValue final : public LTemplateInstruction<0, 1, 0> {
2420  public:
2421   explicit LCheckValue(LOperand* value) {
2422     inputs_[0] = value;
2423   }
2424
2425   LOperand* value() { return inputs_[0]; }
2426
2427   DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
2428   DECLARE_HYDROGEN_ACCESSOR(CheckValue)
2429 };
2430
2431
2432 class LCheckArrayBufferNotNeutered final
2433     : public LTemplateInstruction<0, 1, 0> {
2434  public:
2435   explicit LCheckArrayBufferNotNeutered(LOperand* view) { inputs_[0] = view; }
2436
2437   LOperand* view() { return inputs_[0]; }
2438
2439   DECLARE_CONCRETE_INSTRUCTION(CheckArrayBufferNotNeutered,
2440                                "check-array-buffer-not-neutered")
2441   DECLARE_HYDROGEN_ACCESSOR(CheckArrayBufferNotNeutered)
2442 };
2443
2444
2445 class LCheckInstanceType final : public LTemplateInstruction<0, 1, 0> {
2446  public:
2447   explicit LCheckInstanceType(LOperand* value) {
2448     inputs_[0] = value;
2449   }
2450
2451   LOperand* value() { return inputs_[0]; }
2452
2453   DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
2454   DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
2455 };
2456
2457
2458 class LCheckMaps final : public LTemplateInstruction<0, 1, 0> {
2459  public:
2460   explicit LCheckMaps(LOperand* value = NULL) {
2461     inputs_[0] = value;
2462   }
2463
2464   LOperand* value() { return inputs_[0]; }
2465
2466   DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps")
2467   DECLARE_HYDROGEN_ACCESSOR(CheckMaps)
2468 };
2469
2470
2471 class LCheckSmi final : public LTemplateInstruction<1, 1, 0> {
2472  public:
2473   explicit LCheckSmi(LOperand* value) {
2474     inputs_[0] = value;
2475   }
2476
2477   LOperand* value() { return inputs_[0]; }
2478
2479   DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
2480 };
2481
2482
2483 class LCheckNonSmi final : public LTemplateInstruction<0, 1, 0> {
2484  public:
2485   explicit LCheckNonSmi(LOperand* value) {
2486     inputs_[0] = value;
2487   }
2488
2489   LOperand* value() { return inputs_[0]; }
2490
2491   DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
2492   DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
2493 };
2494
2495
2496 class LClampDToUint8 final : public LTemplateInstruction<1, 1, 0> {
2497  public:
2498   explicit LClampDToUint8(LOperand* unclamped) {
2499     inputs_[0] = unclamped;
2500   }
2501
2502   LOperand* unclamped() { return inputs_[0]; }
2503
2504   DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
2505 };
2506
2507
2508 class LClampIToUint8 final : public LTemplateInstruction<1, 1, 0> {
2509  public:
2510   explicit LClampIToUint8(LOperand* unclamped) {
2511     inputs_[0] = unclamped;
2512   }
2513
2514   LOperand* unclamped() { return inputs_[0]; }
2515
2516   DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
2517 };
2518
2519
2520 class LClampTToUint8 final : public LTemplateInstruction<1, 1, 1> {
2521  public:
2522   LClampTToUint8(LOperand* unclamped, LOperand* temp) {
2523     inputs_[0] = unclamped;
2524     temps_[0] = temp;
2525   }
2526
2527   LOperand* unclamped() { return inputs_[0]; }
2528   LOperand* temp() { return temps_[0]; }
2529
2530   DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
2531 };
2532
2533
2534 class LDoubleBits final : public LTemplateInstruction<1, 1, 0> {
2535  public:
2536   explicit LDoubleBits(LOperand* value) {
2537     inputs_[0] = value;
2538   }
2539
2540   LOperand* value() { return inputs_[0]; }
2541
2542   DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
2543   DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
2544 };
2545
2546
2547 class LConstructDouble final : public LTemplateInstruction<1, 2, 0> {
2548  public:
2549   LConstructDouble(LOperand* hi, LOperand* lo) {
2550     inputs_[0] = hi;
2551     inputs_[1] = lo;
2552   }
2553
2554   LOperand* hi() { return inputs_[0]; }
2555   LOperand* lo() { return inputs_[1]; }
2556
2557   DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double")
2558 };
2559
2560
2561 class LAllocate final : public LTemplateInstruction<1, 2, 2> {
2562  public:
2563   LAllocate(LOperand* context,
2564             LOperand* size,
2565             LOperand* temp1,
2566             LOperand* temp2) {
2567     inputs_[0] = context;
2568     inputs_[1] = size;
2569     temps_[0] = temp1;
2570     temps_[1] = temp2;
2571   }
2572
2573   LOperand* context() { return inputs_[0]; }
2574   LOperand* size() { return inputs_[1]; }
2575   LOperand* temp1() { return temps_[0]; }
2576   LOperand* temp2() { return temps_[1]; }
2577
2578   DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
2579   DECLARE_HYDROGEN_ACCESSOR(Allocate)
2580 };
2581
2582
2583 class LRegExpLiteral final : public LTemplateInstruction<1, 1, 0> {
2584  public:
2585   explicit LRegExpLiteral(LOperand* context) {
2586     inputs_[0] = context;
2587   }
2588
2589   LOperand* context() { return inputs_[0]; }
2590
2591   DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
2592   DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
2593 };
2594
2595
2596 class LFunctionLiteral final : public LTemplateInstruction<1, 1, 0> {
2597  public:
2598   explicit LFunctionLiteral(LOperand* context) {
2599     inputs_[0] = context;
2600   }
2601
2602   LOperand* context() { return inputs_[0]; }
2603
2604   DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal")
2605   DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral)
2606 };
2607
2608
2609 class LToFastProperties final : public LTemplateInstruction<1, 1, 0> {
2610  public:
2611   explicit LToFastProperties(LOperand* value) {
2612     inputs_[0] = value;
2613   }
2614
2615   LOperand* value() { return inputs_[0]; }
2616
2617   DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
2618   DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
2619 };
2620
2621
2622 class LTypeof final : public LTemplateInstruction<1, 2, 0> {
2623  public:
2624   LTypeof(LOperand* context, LOperand* value) {
2625     inputs_[0] = context;
2626     inputs_[1] = value;
2627   }
2628
2629   LOperand* context() { return inputs_[0]; }
2630   LOperand* value() { return inputs_[1]; }
2631
2632   DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
2633 };
2634
2635
2636 class LTypeofIsAndBranch final : public LControlInstruction<1, 0> {
2637  public:
2638   explicit LTypeofIsAndBranch(LOperand* value) {
2639     inputs_[0] = value;
2640   }
2641
2642   LOperand* value() { return inputs_[0]; }
2643
2644   DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch")
2645   DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch)
2646
2647   Handle<String> type_literal() { return hydrogen()->type_literal(); }
2648
2649   void PrintDataTo(StringStream* stream) override;
2650 };
2651
2652
2653 class LIsConstructCallAndBranch final : public LControlInstruction<0, 1> {
2654  public:
2655   explicit LIsConstructCallAndBranch(LOperand* temp) {
2656     temps_[0] = temp;
2657   }
2658
2659   LOperand* temp() { return temps_[0]; }
2660
2661   DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
2662                                "is-construct-call-and-branch")
2663 };
2664
2665
2666 class LOsrEntry final : public LTemplateInstruction<0, 0, 0> {
2667  public:
2668   LOsrEntry() {}
2669
2670   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
2671   DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
2672 };
2673
2674
2675 class LStackCheck final : public LTemplateInstruction<0, 1, 0> {
2676  public:
2677   explicit LStackCheck(LOperand* context) {
2678     inputs_[0] = context;
2679   }
2680
2681   LOperand* context() { return inputs_[0]; }
2682
2683   DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
2684   DECLARE_HYDROGEN_ACCESSOR(StackCheck)
2685
2686   Label* done_label() { return &done_label_; }
2687
2688  private:
2689   Label done_label_;
2690 };
2691
2692
2693 class LForInPrepareMap final : public LTemplateInstruction<1, 2, 0> {
2694  public:
2695   LForInPrepareMap(LOperand* context, LOperand* object) {
2696     inputs_[0] = context;
2697     inputs_[1] = object;
2698   }
2699
2700   LOperand* context() { return inputs_[0]; }
2701   LOperand* object() { return inputs_[1]; }
2702
2703   DECLARE_CONCRETE_INSTRUCTION(ForInPrepareMap, "for-in-prepare-map")
2704 };
2705
2706
2707 class LForInCacheArray final : public LTemplateInstruction<1, 1, 0> {
2708  public:
2709   explicit LForInCacheArray(LOperand* map) {
2710     inputs_[0] = map;
2711   }
2712
2713   LOperand* map() { return inputs_[0]; }
2714
2715   DECLARE_CONCRETE_INSTRUCTION(ForInCacheArray, "for-in-cache-array")
2716
2717   int idx() {
2718     return HForInCacheArray::cast(this->hydrogen_value())->idx();
2719   }
2720 };
2721
2722
2723 class LCheckMapValue final : public LTemplateInstruction<0, 2, 0> {
2724  public:
2725   LCheckMapValue(LOperand* value, LOperand* map) {
2726     inputs_[0] = value;
2727     inputs_[1] = map;
2728   }
2729
2730   LOperand* value() { return inputs_[0]; }
2731   LOperand* map() { return inputs_[1]; }
2732
2733   DECLARE_CONCRETE_INSTRUCTION(CheckMapValue, "check-map-value")
2734 };
2735
2736
2737 class LLoadFieldByIndex final : public LTemplateInstruction<1, 2, 0> {
2738  public:
2739   LLoadFieldByIndex(LOperand* object, LOperand* index) {
2740     inputs_[0] = object;
2741     inputs_[1] = index;
2742   }
2743
2744   LOperand* object() { return inputs_[0]; }
2745   LOperand* index() { return inputs_[1]; }
2746
2747   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index")
2748 };
2749
2750
2751 class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> {
2752  public:
2753   explicit LStoreFrameContext(LOperand* context) {
2754     inputs_[0] = context;
2755   }
2756
2757   LOperand* context() { return inputs_[0]; }
2758
2759   DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context")
2760 };
2761
2762
2763 class LAllocateBlockContext: public LTemplateInstruction<1, 2, 0> {
2764  public:
2765   LAllocateBlockContext(LOperand* context, LOperand* function) {
2766     inputs_[0] = context;
2767     inputs_[1] = function;
2768   }
2769
2770   LOperand* context() { return inputs_[0]; }
2771   LOperand* function() { return inputs_[1]; }
2772
2773   Handle<ScopeInfo> scope_info() { return hydrogen()->scope_info(); }
2774
2775   DECLARE_CONCRETE_INSTRUCTION(AllocateBlockContext, "allocate-block-context")
2776   DECLARE_HYDROGEN_ACCESSOR(AllocateBlockContext)
2777 };
2778
2779
2780 class LChunkBuilder;
2781 class LPlatformChunk final : public LChunk {
2782  public:
2783   LPlatformChunk(CompilationInfo* info, HGraph* graph)
2784       : LChunk(info, graph) { }
2785
2786   int GetNextSpillIndex(RegisterKind kind);
2787   LOperand* GetNextSpillSlot(RegisterKind kind);
2788 };
2789
2790
2791 class LChunkBuilder final : public LChunkBuilderBase {
2792  public:
2793   LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
2794       : LChunkBuilderBase(info, graph),
2795         current_instruction_(NULL),
2796         current_block_(NULL),
2797         next_block_(NULL),
2798         allocator_(allocator) {}
2799
2800   // Build the sequence for the graph.
2801   LPlatformChunk* Build();
2802
2803   // Declare methods that deal with the individual node types.
2804 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
2805   HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
2806 #undef DECLARE_DO
2807
2808   LInstruction* DoMultiplyAdd(HMul* mul, HValue* addend);
2809   LInstruction* DoMultiplySub(HValue* minuend, HMul* mul);
2810   LInstruction* DoRSub(HSub* instr);
2811
2812   static bool HasMagicNumberForDivisor(int32_t divisor);
2813
2814   LInstruction* DoMathFloor(HUnaryMathOperation* instr);
2815   LInstruction* DoMathRound(HUnaryMathOperation* instr);
2816   LInstruction* DoMathFround(HUnaryMathOperation* instr);
2817   LInstruction* DoMathAbs(HUnaryMathOperation* instr);
2818   LInstruction* DoMathLog(HUnaryMathOperation* instr);
2819   LInstruction* DoMathExp(HUnaryMathOperation* instr);
2820   LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
2821   LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);
2822   LInstruction* DoMathClz32(HUnaryMathOperation* instr);
2823   LInstruction* DoDivByPowerOf2I(HDiv* instr);
2824   LInstruction* DoDivByConstI(HDiv* instr);
2825   LInstruction* DoDivI(HDiv* instr);
2826   LInstruction* DoModByPowerOf2I(HMod* instr);
2827   LInstruction* DoModByConstI(HMod* instr);
2828   LInstruction* DoModI(HMod* instr);
2829   LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
2830   LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
2831   LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);
2832
2833  private:
2834   // Methods for getting operands for Use / Define / Temp.
2835   LUnallocated* ToUnallocated(Register reg);
2836   LUnallocated* ToUnallocated(DoubleRegister reg);
2837
2838   // Methods for setting up define-use relationships.
2839   MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
2840   MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
2841   MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
2842                                            DoubleRegister fixed_register);
2843
2844   // A value that is guaranteed to be allocated to a register.
2845   // Operand created by UseRegister is guaranteed to be live until the end of
2846   // instruction. This means that register allocator will not reuse it's
2847   // register for any other operand inside instruction.
2848   // Operand created by UseRegisterAtStart is guaranteed to be live only at
2849   // instruction start. Register allocator is free to assign the same register
2850   // to some other operand used inside instruction (i.e. temporary or
2851   // output).
2852   MUST_USE_RESULT LOperand* UseRegister(HValue* value);
2853   MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value);
2854
2855   // An input operand in a register that may be trashed.
2856   MUST_USE_RESULT LOperand* UseTempRegister(HValue* value);
2857
2858   // An input operand in a register or stack slot.
2859   MUST_USE_RESULT LOperand* Use(HValue* value);
2860   MUST_USE_RESULT LOperand* UseAtStart(HValue* value);
2861
2862   // An input operand in a register, stack slot or a constant operand.
2863   MUST_USE_RESULT LOperand* UseOrConstant(HValue* value);
2864   MUST_USE_RESULT LOperand* UseOrConstantAtStart(HValue* value);
2865
2866   // An input operand in a register or a constant operand.
2867   MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value);
2868   MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value);
2869
2870   // An input operand in a constant operand.
2871   MUST_USE_RESULT LOperand* UseConstant(HValue* value);
2872
2873   // An input operand in register, stack slot or a constant operand.
2874   // Will not be moved to a register even if one is freely available.
2875   MUST_USE_RESULT LOperand* UseAny(HValue* value) override;
2876
2877   // Temporary operand that must be in a register.
2878   MUST_USE_RESULT LUnallocated* TempRegister();
2879   MUST_USE_RESULT LUnallocated* TempDoubleRegister();
2880   MUST_USE_RESULT LOperand* FixedTemp(Register reg);
2881   MUST_USE_RESULT LOperand* FixedTemp(DoubleRegister reg);
2882
2883   // Methods for setting up define-use relationships.
2884   // Return the same instruction that they are passed.
2885   LInstruction* Define(LTemplateResultInstruction<1>* instr,
2886                        LUnallocated* result);
2887   LInstruction* DefineAsRegister(LTemplateResultInstruction<1>* instr);
2888   LInstruction* DefineAsSpilled(LTemplateResultInstruction<1>* instr,
2889                                 int index);
2890   LInstruction* DefineSameAsFirst(LTemplateResultInstruction<1>* instr);
2891   LInstruction* DefineFixed(LTemplateResultInstruction<1>* instr,
2892                             Register reg);
2893   LInstruction* DefineFixedDouble(LTemplateResultInstruction<1>* instr,
2894                                   DoubleRegister reg);
2895   LInstruction* AssignEnvironment(LInstruction* instr);
2896   LInstruction* AssignPointerMap(LInstruction* instr);
2897
2898   enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };
2899
2900   // By default we assume that instruction sequences generated for calls
2901   // cannot deoptimize eagerly and we do not attach environment to this
2902   // instruction.
2903   LInstruction* MarkAsCall(
2904       LInstruction* instr,
2905       HInstruction* hinstr,
2906       CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);
2907
2908   void VisitInstruction(HInstruction* current);
2909   void AddInstruction(LInstruction* instr, HInstruction* current);
2910
2911   void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
2912   LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
2913   LInstruction* DoArithmeticD(Token::Value op,
2914                               HArithmeticBinaryOperation* instr);
2915   LInstruction* DoArithmeticT(Token::Value op,
2916                               HBinaryOperation* instr);
2917
2918   HInstruction* current_instruction_;
2919   HBasicBlock* current_block_;
2920   HBasicBlock* next_block_;
2921   LAllocator* allocator_;
2922
2923   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
2924 };
2925
2926 #undef DECLARE_HYDROGEN_ACCESSOR
2927 #undef DECLARE_CONCRETE_INSTRUCTION
2928
2929 } }  // namespace v8::internal
2930
2931 #endif  // V8_ARM_LITHIUM_ARM_H_