common-operator.cc 62.2 KB
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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/compiler/common-operator.h"

#include "src/base/lazy-instance.h"
#include "src/compiler/linkage.h"
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#include "src/compiler/node.h"
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#include "src/compiler/opcodes.h"
#include "src/compiler/operator.h"
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#include "src/handles/handles-inl.h"
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#include "src/zone/zone.h"
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namespace v8 {
namespace internal {
namespace compiler {

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std::ostream& operator<<(std::ostream& os, BranchHint hint) {
  switch (hint) {
    case BranchHint::kNone:
      return os << "None";
    case BranchHint::kTrue:
      return os << "True";
    case BranchHint::kFalse:
      return os << "False";
  }
  UNREACHABLE();
}

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std::ostream& operator<<(std::ostream& os, IsSafetyCheck is_safety_check) {
  switch (is_safety_check) {
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    case IsSafetyCheck::kCriticalSafetyCheck:
      return os << "CriticalSafetyCheck";
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    case IsSafetyCheck::kSafetyCheck:
      return os << "SafetyCheck";
    case IsSafetyCheck::kNoSafetyCheck:
      return os << "NoSafetyCheck";
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  }
  UNREACHABLE();
}
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std::ostream& operator<<(std::ostream& os, TrapId trap_id) {
  switch (trap_id) {
#define TRAP_CASE(Name) \
  case TrapId::k##Name: \
    return os << #Name;
    FOREACH_WASM_TRAPREASON(TRAP_CASE)
#undef TRAP_CASE
    case TrapId::kInvalid:
      return os << "Invalid";
  }
  UNREACHABLE();
}

TrapId TrapIdOf(const Operator* const op) {
  DCHECK(op->opcode() == IrOpcode::kTrapIf ||
         op->opcode() == IrOpcode::kTrapUnless);
  return OpParameter<TrapId>(op);
}

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std::ostream& operator<<(std::ostream& os, BranchOperatorInfo info) {
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  return os << info.hint << ", " << info.is_safety_check;
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}

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const BranchOperatorInfo& BranchOperatorInfoOf(const Operator* const op) {
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  DCHECK_EQ(IrOpcode::kBranch, op->opcode());
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  return OpParameter<BranchOperatorInfo>(op);
}

BranchHint BranchHintOf(const Operator* const op) {
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  switch (op->opcode()) {
    case IrOpcode::kBranch:
      return BranchOperatorInfoOf(op).hint;
    case IrOpcode::kIfValue:
      return IfValueParametersOf(op).hint();
    case IrOpcode::kIfDefault:
      return OpParameter<BranchHint>(op);
    default:
      UNREACHABLE();
  }
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}

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int ValueInputCountOfReturn(Operator const* const op) {
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  DCHECK_EQ(IrOpcode::kReturn, op->opcode());
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  // Return nodes have a hidden input at index 0 which we ignore in the value
  // input count.
  return op->ValueInputCount() - 1;
}

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bool operator==(DeoptimizeParameters lhs, DeoptimizeParameters rhs) {
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  return lhs.kind() == rhs.kind() && lhs.reason() == rhs.reason() &&
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         lhs.feedback() == rhs.feedback() &&
         lhs.is_safety_check() == rhs.is_safety_check();
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}
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bool operator!=(DeoptimizeParameters lhs, DeoptimizeParameters rhs) {
  return !(lhs == rhs);
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}

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size_t hash_value(DeoptimizeParameters p) {
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  FeedbackSource::Hash feebdack_hash;
  return base::hash_combine(p.kind(), p.reason(), feebdack_hash(p.feedback()),
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                            p.is_safety_check());
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}

std::ostream& operator<<(std::ostream& os, DeoptimizeParameters p) {
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  return os << p.kind() << ", " << p.reason() << ", " << p.is_safety_check()
            << ", " << p.feedback();
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}

DeoptimizeParameters const& DeoptimizeParametersOf(Operator const* const op) {
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  DCHECK(op->opcode() == IrOpcode::kDeoptimize ||
         op->opcode() == IrOpcode::kDeoptimizeIf ||
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         op->opcode() == IrOpcode::kDeoptimizeUnless ||
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         op->opcode() == IrOpcode::kDynamicCheckMapsWithDeoptUnless);
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  return OpParameter<DeoptimizeParameters>(op);
}
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IsSafetyCheck IsSafetyCheckOf(const Operator* op) {
  if (op->opcode() == IrOpcode::kBranch) {
    return BranchOperatorInfoOf(op).is_safety_check;
  }
  return DeoptimizeParametersOf(op).is_safety_check();
}
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const Operator* CommonOperatorBuilder::MarkAsSafetyCheck(
    const Operator* op, IsSafetyCheck safety_check) {
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  if (op->opcode() == IrOpcode::kBranch) {
    BranchOperatorInfo info = BranchOperatorInfoOf(op);
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    if (info.is_safety_check == safety_check) return op;
    return Branch(info.hint, safety_check);
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  }
  DeoptimizeParameters p = DeoptimizeParametersOf(op);
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  if (p.is_safety_check() == safety_check) return op;
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  switch (op->opcode()) {
    case IrOpcode::kDeoptimizeIf:
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      return DeoptimizeIf(p.kind(), p.reason(), p.feedback(), safety_check);
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    case IrOpcode::kDeoptimizeUnless:
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      return DeoptimizeUnless(p.kind(), p.reason(), p.feedback(), safety_check);
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    default:
      UNREACHABLE();
  }
}

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const Operator* CommonOperatorBuilder::DelayedStringConstant(
    const StringConstantBase* str) {
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  return zone()->New<Operator1<const StringConstantBase*>>(
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      IrOpcode::kDelayedStringConstant, Operator::kPure,
      "DelayedStringConstant", 0, 0, 0, 1, 0, 0, str);
}

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bool operator==(SelectParameters const& lhs, SelectParameters const& rhs) {
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  return lhs.representation() == rhs.representation() &&
         lhs.hint() == rhs.hint();
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}


bool operator!=(SelectParameters const& lhs, SelectParameters const& rhs) {
  return !(lhs == rhs);
}


size_t hash_value(SelectParameters const& p) {
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  return base::hash_combine(p.representation(), p.hint());
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}


std::ostream& operator<<(std::ostream& os, SelectParameters const& p) {
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  return os << p.representation() << ", " << p.hint();
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}


SelectParameters const& SelectParametersOf(const Operator* const op) {
  DCHECK_EQ(IrOpcode::kSelect, op->opcode());
  return OpParameter<SelectParameters>(op);
}

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CallDescriptor const* CallDescriptorOf(const Operator* const op) {
  DCHECK(op->opcode() == IrOpcode::kCall ||
         op->opcode() == IrOpcode::kTailCall);
  return OpParameter<CallDescriptor const*>(op);
}
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size_t ProjectionIndexOf(const Operator* const op) {
  DCHECK_EQ(IrOpcode::kProjection, op->opcode());
  return OpParameter<size_t>(op);
}


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MachineRepresentation PhiRepresentationOf(const Operator* const op) {
  DCHECK_EQ(IrOpcode::kPhi, op->opcode());
  return OpParameter<MachineRepresentation>(op);
}

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MachineRepresentation LoopExitValueRepresentationOf(const Operator* const op) {
  DCHECK_EQ(IrOpcode::kLoopExitValue, op->opcode());
  return OpParameter<MachineRepresentation>(op);
}
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int ParameterIndexOf(const Operator* const op) {
  DCHECK_EQ(IrOpcode::kParameter, op->opcode());
  return OpParameter<ParameterInfo>(op).index();
}


const ParameterInfo& ParameterInfoOf(const Operator* const op) {
  DCHECK_EQ(IrOpcode::kParameter, op->opcode());
  return OpParameter<ParameterInfo>(op);
}


bool operator==(ParameterInfo const& lhs, ParameterInfo const& rhs) {
  return lhs.index() == rhs.index();
}


bool operator!=(ParameterInfo const& lhs, ParameterInfo const& rhs) {
  return !(lhs == rhs);
}


size_t hash_value(ParameterInfo const& p) { return p.index(); }


std::ostream& operator<<(std::ostream& os, ParameterInfo const& i) {
  os << i.index();
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  if (i.debug_name()) os << ", debug name: " << i.debug_name();
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  return os;
}

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std::ostream& operator<<(std::ostream& os, ObjectStateInfo const& i) {
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  return os << "id:" << i.object_id() << ", size:" << i.size();
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}

size_t hash_value(ObjectStateInfo const& p) {
  return base::hash_combine(p.object_id(), p.size());
}

std::ostream& operator<<(std::ostream& os, TypedObjectStateInfo const& i) {
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  return os << "id:" << i.object_id() << ", " << i.machine_types();
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}

size_t hash_value(TypedObjectStateInfo const& p) {
  return base::hash_combine(p.object_id(), p.machine_types());
}

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bool operator==(RelocatablePtrConstantInfo const& lhs,
                RelocatablePtrConstantInfo const& rhs) {
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  return lhs.rmode() == rhs.rmode() && lhs.value() == rhs.value() &&
         lhs.type() == rhs.type();
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}

bool operator!=(RelocatablePtrConstantInfo const& lhs,
                RelocatablePtrConstantInfo const& rhs) {
  return !(lhs == rhs);
}

size_t hash_value(RelocatablePtrConstantInfo const& p) {
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  return base::hash_combine(p.value(), int8_t{p.rmode()}, p.type());
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}

std::ostream& operator<<(std::ostream& os,
                         RelocatablePtrConstantInfo const& p) {
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  return os << p.value() << ", " << static_cast<int>(p.rmode()) << ", "
            << p.type();
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}

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SparseInputMask::InputIterator::InputIterator(
    SparseInputMask::BitMaskType bit_mask, Node* parent)
    : bit_mask_(bit_mask), parent_(parent), real_index_(0) {
#if DEBUG
  if (bit_mask_ != SparseInputMask::kDenseBitMask) {
    DCHECK_EQ(base::bits::CountPopulation(bit_mask_) -
                  base::bits::CountPopulation(kEndMarker),
              parent->InputCount());
  }
#endif
}

void SparseInputMask::InputIterator::Advance() {
  DCHECK(!IsEnd());

  if (IsReal()) {
    ++real_index_;
  }
  bit_mask_ >>= 1;
}

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size_t SparseInputMask::InputIterator::AdvanceToNextRealOrEnd() {
  DCHECK_NE(bit_mask_, SparseInputMask::kDenseBitMask);

  size_t count = base::bits::CountTrailingZeros(bit_mask_);
  bit_mask_ >>= count;
  DCHECK(IsReal() || IsEnd());
  return count;
}

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Node* SparseInputMask::InputIterator::GetReal() const {
  DCHECK(IsReal());
  return parent_->InputAt(real_index_);
}

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bool SparseInputMask::InputIterator::IsReal() const {
  return bit_mask_ == SparseInputMask::kDenseBitMask ||
         (bit_mask_ & kEntryMask);
}

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bool SparseInputMask::InputIterator::IsEnd() const {
  return (bit_mask_ == kEndMarker) ||
         (bit_mask_ == SparseInputMask::kDenseBitMask &&
          real_index_ >= parent_->InputCount());
}

int SparseInputMask::CountReal() const {
  DCHECK(!IsDense());
  return base::bits::CountPopulation(bit_mask_) -
         base::bits::CountPopulation(kEndMarker);
}

SparseInputMask::InputIterator SparseInputMask::IterateOverInputs(Node* node) {
  DCHECK(IsDense() || CountReal() == node->InputCount());
  return InputIterator(bit_mask_, node);
}

bool operator==(SparseInputMask const& lhs, SparseInputMask const& rhs) {
  return lhs.mask() == rhs.mask();
}

bool operator!=(SparseInputMask const& lhs, SparseInputMask const& rhs) {
  return !(lhs == rhs);
}

size_t hash_value(SparseInputMask const& p) {
  return base::hash_value(p.mask());
}

std::ostream& operator<<(std::ostream& os, SparseInputMask const& p) {
  if (p.IsDense()) {
    return os << "dense";
  } else {
    SparseInputMask::BitMaskType mask = p.mask();
    DCHECK_NE(mask, SparseInputMask::kDenseBitMask);

    os << "sparse:";

    while (mask != SparseInputMask::kEndMarker) {
      if (mask & SparseInputMask::kEntryMask) {
        os << "^";
      } else {
        os << ".";
      }
      mask >>= 1;
    }
    return os;
  }
}

bool operator==(TypedStateValueInfo const& lhs,
                TypedStateValueInfo const& rhs) {
  return lhs.machine_types() == rhs.machine_types() &&
         lhs.sparse_input_mask() == rhs.sparse_input_mask();
}

bool operator!=(TypedStateValueInfo const& lhs,
                TypedStateValueInfo const& rhs) {
  return !(lhs == rhs);
}

size_t hash_value(TypedStateValueInfo const& p) {
  return base::hash_combine(p.machine_types(), p.sparse_input_mask());
}

std::ostream& operator<<(std::ostream& os, TypedStateValueInfo const& p) {
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  return os << p.machine_types() << ", " << p.sparse_input_mask();
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}

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size_t hash_value(RegionObservability observability) {
  return static_cast<size_t>(observability);
}

std::ostream& operator<<(std::ostream& os, RegionObservability observability) {
  switch (observability) {
    case RegionObservability::kObservable:
      return os << "observable";
    case RegionObservability::kNotObservable:
      return os << "not-observable";
  }
  UNREACHABLE();
}

RegionObservability RegionObservabilityOf(Operator const* op) {
  DCHECK_EQ(IrOpcode::kBeginRegion, op->opcode());
  return OpParameter<RegionObservability>(op);
}

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Type TypeGuardTypeOf(Operator const* op) {
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  DCHECK_EQ(IrOpcode::kTypeGuard, op->opcode());
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  return OpParameter<Type>(op);
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}

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std::ostream& operator<<(std::ostream& os,
                         const ZoneVector<MachineType>* types) {
  // Print all the MachineTypes, separated by commas.
  bool first = true;
  for (MachineType elem : *types) {
    if (!first) {
      os << ", ";
    }
    first = false;
    os << elem;
  }
  return os;
}

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int OsrValueIndexOf(Operator const* op) {
  DCHECK_EQ(IrOpcode::kOsrValue, op->opcode());
  return OpParameter<int>(op);
}

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SparseInputMask SparseInputMaskOf(Operator const* op) {
  DCHECK(op->opcode() == IrOpcode::kStateValues ||
         op->opcode() == IrOpcode::kTypedStateValues);

  if (op->opcode() == IrOpcode::kTypedStateValues) {
    return OpParameter<TypedStateValueInfo>(op).sparse_input_mask();
  }
  return OpParameter<SparseInputMask>(op);
}

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ZoneVector<MachineType> const* MachineTypesOf(Operator const* op) {
  DCHECK(op->opcode() == IrOpcode::kTypedObjectState ||
         op->opcode() == IrOpcode::kTypedStateValues);
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  if (op->opcode() == IrOpcode::kTypedStateValues) {
    return OpParameter<TypedStateValueInfo>(op).machine_types();
  }
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  return OpParameter<TypedObjectStateInfo>(op).machine_types();
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}

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V8_EXPORT_PRIVATE bool operator==(IfValueParameters const& l,
                                  IfValueParameters const& r) {
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  return l.value() == r.value() &&
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         l.comparison_order() == r.comparison_order() && l.hint() == r.hint();
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}

size_t hash_value(IfValueParameters const& p) {
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  return base::hash_combine(p.value(), p.comparison_order(), p.hint());
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}

V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& out,
                                           IfValueParameters const& p) {
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  out << p.value() << " (order " << p.comparison_order() << ", hint "
      << p.hint() << ")";
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  return out;
}

IfValueParameters const& IfValueParametersOf(const Operator* op) {
  DCHECK(op->opcode() == IrOpcode::kIfValue);
  return OpParameter<IfValueParameters>(op);
}

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#define COMMON_CACHED_OP_LIST(V)                          \
  V(Dead, Operator::kFoldable, 0, 0, 0, 1, 1, 1)          \
  V(Unreachable, Operator::kFoldable, 0, 1, 1, 1, 1, 0)   \
  V(IfTrue, Operator::kKontrol, 0, 0, 1, 0, 0, 1)         \
  V(IfFalse, Operator::kKontrol, 0, 0, 1, 0, 0, 1)        \
  V(IfSuccess, Operator::kKontrol, 0, 0, 1, 0, 0, 1)      \
  V(IfException, Operator::kKontrol, 0, 1, 1, 1, 1, 1)    \
  V(Throw, Operator::kKontrol, 0, 1, 1, 0, 0, 1)          \
  V(Terminate, Operator::kKontrol, 0, 1, 1, 0, 0, 1)      \
  V(LoopExit, Operator::kKontrol, 0, 0, 2, 0, 0, 1)       \
  V(LoopExitEffect, Operator::kNoThrow, 0, 1, 1, 0, 1, 0) \
  V(Checkpoint, Operator::kKontrol, 0, 1, 1, 0, 1, 0)     \
  V(FinishRegion, Operator::kKontrol, 1, 1, 0, 1, 1, 0)   \
  V(Retain, Operator::kKontrol, 1, 1, 0, 0, 1, 0)
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#define CACHED_LOOP_EXIT_VALUE_LIST(V) V(kTagged)

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#define CACHED_BRANCH_LIST(V)   \
  V(None, CriticalSafetyCheck)  \
  V(True, CriticalSafetyCheck)  \
  V(False, CriticalSafetyCheck) \
  V(None, SafetyCheck)          \
  V(True, SafetyCheck)          \
  V(False, SafetyCheck)         \
  V(None, NoSafetyCheck)        \
  V(True, NoSafetyCheck)        \
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  V(False, NoSafetyCheck)

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#define CACHED_RETURN_LIST(V) \
  V(1)                        \
  V(2)                        \
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  V(3)                        \
  V(4)
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#define CACHED_END_LIST(V) \
  V(1)                     \
  V(2)                     \
  V(3)                     \
  V(4)                     \
  V(5)                     \
  V(6)                     \
  V(7)                     \
  V(8)


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#define CACHED_EFFECT_PHI_LIST(V) \
  V(1)                            \
  V(2)                            \
  V(3)                            \
  V(4)                            \
  V(5)                            \
  V(6)

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#define CACHED_INDUCTION_VARIABLE_PHI_LIST(V) \
  V(4)                                        \
  V(5)                                        \
  V(6)                                        \
  V(7)
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#define CACHED_LOOP_LIST(V) \
  V(1)                      \
  V(2)


#define CACHED_MERGE_LIST(V) \
  V(1)                       \
  V(2)                       \
  V(3)                       \
  V(4)                       \
  V(5)                       \
  V(6)                       \
  V(7)                       \
  V(8)

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#define CACHED_DEOPTIMIZE_LIST(V)                        \
  V(Eager, MinusZero)                                    \
  V(Eager, WrongMap)                                     \
  V(Soft, InsufficientTypeFeedbackForGenericKeyedAccess) \
  V(Soft, InsufficientTypeFeedbackForGenericNamedAccess)

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#define CACHED_DEOPTIMIZE_IF_LIST(V)      \
  V(Eager, DivisionByZero, NoSafetyCheck) \
  V(Eager, DivisionByZero, SafetyCheck)   \
  V(Eager, Hole, NoSafetyCheck)           \
  V(Eager, Hole, SafetyCheck)             \
  V(Eager, MinusZero, NoSafetyCheck)      \
  V(Eager, MinusZero, SafetyCheck)        \
  V(Eager, Overflow, NoSafetyCheck)       \
  V(Eager, Overflow, SafetyCheck)         \
  V(Eager, Smi, SafetyCheck)

#define CACHED_DEOPTIMIZE_UNLESS_LIST(V)      \
  V(Eager, LostPrecision, NoSafetyCheck)      \
  V(Eager, LostPrecision, SafetyCheck)        \
  V(Eager, LostPrecisionOrNaN, NoSafetyCheck) \
  V(Eager, LostPrecisionOrNaN, SafetyCheck)   \
  V(Eager, NotAHeapNumber, SafetyCheck)       \
  V(Eager, NotANumberOrOddball, SafetyCheck)  \
  V(Eager, NotASmi, SafetyCheck)              \
  V(Eager, OutOfBounds, SafetyCheck)          \
  V(Eager, WrongInstanceType, SafetyCheck)    \
  V(Eager, WrongMap, SafetyCheck)
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#define CACHED_TRAP_IF_LIST(V) \
  V(TrapDivUnrepresentable)    \
  V(TrapFloatUnrepresentable)

// The reason for a trap.
#define CACHED_TRAP_UNLESS_LIST(V) \
  V(TrapUnreachable)               \
  V(TrapMemOutOfBounds)            \
  V(TrapDivByZero)                 \
  V(TrapDivUnrepresentable)        \
  V(TrapRemByZero)                 \
  V(TrapFloatUnrepresentable)      \
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  V(TrapTableOutOfBounds)          \
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  V(TrapFuncSigMismatch)

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#define CACHED_PARAMETER_LIST(V) \
  V(0)                           \
  V(1)                           \
  V(2)                           \
  V(3)                           \
  V(4)                           \
  V(5)                           \
  V(6)


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#define CACHED_PHI_LIST(V) \
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  V(kTagged, 1)            \
  V(kTagged, 2)            \
  V(kTagged, 3)            \
  V(kTagged, 4)            \
  V(kTagged, 5)            \
  V(kTagged, 6)            \
  V(kBit, 2)               \
  V(kFloat64, 2)           \
  V(kWord32, 2)
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#define CACHED_PROJECTION_LIST(V) \
  V(0)                            \
  V(1)


#define CACHED_STATE_VALUES_LIST(V) \
  V(0)                              \
  V(1)                              \
  V(2)                              \
  V(3)                              \
  V(4)                              \
  V(5)                              \
  V(6)                              \
  V(7)                              \
  V(8)                              \
  V(10)                             \
  V(11)                             \
  V(12)                             \
  V(13)                             \
  V(14)


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struct CommonOperatorGlobalCache final {
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#define CACHED(Name, properties, value_input_count, effect_input_count,      \
               control_input_count, value_output_count, effect_output_count, \
               control_output_count)                                         \
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  struct Name##Operator final : public Operator {                            \
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    Name##Operator()                                                         \
        : Operator(IrOpcode::k##Name, properties, #Name, value_input_count,  \
                   effect_input_count, control_input_count,                  \
                   value_output_count, effect_output_count,                  \
                   control_output_count) {}                                  \
  };                                                                         \
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  Name##Operator k##Name##Operator;
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  COMMON_CACHED_OP_LIST(CACHED)
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#undef CACHED
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  template <size_t kInputCount>
  struct EndOperator final : public Operator {
    EndOperator()
        : Operator(                                // --
              IrOpcode::kEnd, Operator::kKontrol,  // opcode
              "End",                               // name
              0, 0, kInputCount, 0, 0, 0) {}       // counts
  };
#define CACHED_END(input_count) \
  EndOperator<input_count> kEnd##input_count##Operator;
  CACHED_END_LIST(CACHED_END)
#undef CACHED_END

653
  template <size_t kValueInputCount>
654 655
  struct ReturnOperator final : public Operator {
    ReturnOperator()
656 657 658 659
        : Operator(                                    // --
              IrOpcode::kReturn, Operator::kNoThrow,   // opcode
              "Return",                                // name
              kValueInputCount + 1, 1, 1, 0, 0, 1) {}  // counts
660
  };
661 662
#define CACHED_RETURN(value_input_count) \
  ReturnOperator<value_input_count> kReturn##value_input_count##Operator;
663 664 665
  CACHED_RETURN_LIST(CACHED_RETURN)
#undef CACHED_RETURN

666
  template <BranchHint hint, IsSafetyCheck is_safety_check>
667
  struct BranchOperator final : public Operator1<BranchOperatorInfo> {
668
    BranchOperator()
669 670 671 672 673
        : Operator1<BranchOperatorInfo>(                     // --
              IrOpcode::kBranch, Operator::kKontrol,         // opcode
              "Branch",                                      // name
              1, 0, 1, 0, 0, 2,                              // counts
              BranchOperatorInfo{hint, is_safety_check}) {}  // parameter
674
  };
675 676 677
#define CACHED_BRANCH(Hint, IsCheck)                             \
  BranchOperator<BranchHint::k##Hint, IsSafetyCheck::k##IsCheck> \
      kBranch##Hint##IsCheck##Operator;
678 679
  CACHED_BRANCH_LIST(CACHED_BRANCH)
#undef CACHED_BRANCH
680

681
  template <int kEffectInputCount>
682
  struct EffectPhiOperator final : public Operator {
683
    EffectPhiOperator()
684 685 686 687
        : Operator(                                      // --
              IrOpcode::kEffectPhi, Operator::kKontrol,  // opcode
              "EffectPhi",                               // name
              0, kEffectInputCount, 1, 0, 1, 0) {}       // counts
688 689 690 691 692 693
  };
#define CACHED_EFFECT_PHI(input_count) \
  EffectPhiOperator<input_count> kEffectPhi##input_count##Operator;
  CACHED_EFFECT_PHI_LIST(CACHED_EFFECT_PHI)
#undef CACHED_EFFECT_PHI

694 695 696 697 698 699 700 701 702 703 704 705 706 707
  template <RegionObservability kRegionObservability>
  struct BeginRegionOperator final : public Operator1<RegionObservability> {
    BeginRegionOperator()
        : Operator1<RegionObservability>(                  // --
              IrOpcode::kBeginRegion, Operator::kKontrol,  // opcode
              "BeginRegion",                               // name
              0, 1, 0, 0, 1, 0,                            // counts
              kRegionObservability) {}                     // parameter
  };
  BeginRegionOperator<RegionObservability::kObservable>
      kBeginRegionObservableOperator;
  BeginRegionOperator<RegionObservability::kNotObservable>
      kBeginRegionNotObservableOperator;

708
  template <size_t kInputCount>
709
  struct LoopOperator final : public Operator {
710
    LoopOperator()
711 712 713 714
        : Operator(                                 // --
              IrOpcode::kLoop, Operator::kKontrol,  // opcode
              "Loop",                               // name
              0, 0, kInputCount, 0, 0, 1) {}        // counts
715 716 717 718 719 720 721
  };
#define CACHED_LOOP(input_count) \
  LoopOperator<input_count> kLoop##input_count##Operator;
  CACHED_LOOP_LIST(CACHED_LOOP)
#undef CACHED_LOOP

  template <size_t kInputCount>
722
  struct MergeOperator final : public Operator {
723
    MergeOperator()
724 725 726 727
        : Operator(                                  // --
              IrOpcode::kMerge, Operator::kKontrol,  // opcode
              "Merge",                               // name
              0, 0, kInputCount, 0, 0, 1) {}         // counts
728 729 730 731 732 733
  };
#define CACHED_MERGE(input_count) \
  MergeOperator<input_count> kMerge##input_count##Operator;
  CACHED_MERGE_LIST(CACHED_MERGE)
#undef CACHED_MERGE

734 735 736 737 738 739 740 741 742 743 744 745 746
  template <MachineRepresentation kRep>
  struct LoopExitValueOperator final : public Operator1<MachineRepresentation> {
    LoopExitValueOperator()
        : Operator1<MachineRepresentation>(IrOpcode::kLoopExitValue,
                                           Operator::kPure, "LoopExitValue", 1,
                                           0, 1, 1, 0, 0, kRep) {}
  };
#define CACHED_LOOP_EXIT_VALUE(rep)                 \
  LoopExitValueOperator<MachineRepresentation::rep> \
      kLoopExitValue##rep##Operator;
  CACHED_LOOP_EXIT_VALUE_LIST(CACHED_LOOP_EXIT_VALUE)
#undef CACHED_LOOP_EXIT_VALUE

747 748 749 750 751 752 753 754
  template <DeoptimizeKind kKind, DeoptimizeReason kReason>
  struct DeoptimizeOperator final : public Operator1<DeoptimizeParameters> {
    DeoptimizeOperator()
        : Operator1<DeoptimizeParameters>(               // --
              IrOpcode::kDeoptimize,                     // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "Deoptimize",                              // name
              1, 1, 1, 0, 0, 1,                          // counts
755
              DeoptimizeParameters(kKind, kReason, FeedbackSource(),
756
                                   IsSafetyCheck::kNoSafetyCheck)) {}
757 758 759 760 761 762 763
  };
#define CACHED_DEOPTIMIZE(Kind, Reason)                                    \
  DeoptimizeOperator<DeoptimizeKind::k##Kind, DeoptimizeReason::k##Reason> \
      kDeoptimize##Kind##Reason##Operator;
  CACHED_DEOPTIMIZE_LIST(CACHED_DEOPTIMIZE)
#undef CACHED_DEOPTIMIZE

764 765
  template <DeoptimizeKind kKind, DeoptimizeReason kReason,
            IsSafetyCheck is_safety_check>
766
  struct DeoptimizeIfOperator final : public Operator1<DeoptimizeParameters> {
767
    DeoptimizeIfOperator()
768
        : Operator1<DeoptimizeParameters>(               // --
769 770 771 772
              IrOpcode::kDeoptimizeIf,                   // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "DeoptimizeIf",                            // name
              2, 1, 1, 0, 1, 1,                          // counts
773
              DeoptimizeParameters(kKind, kReason, FeedbackSource(),
774
                                   is_safety_check)) {}
775
  };
776 777 778 779
#define CACHED_DEOPTIMIZE_IF(Kind, Reason, IsCheck)                          \
  DeoptimizeIfOperator<DeoptimizeKind::k##Kind, DeoptimizeReason::k##Reason, \
                       IsSafetyCheck::k##IsCheck>                            \
      kDeoptimizeIf##Kind##Reason##IsCheck##Operator;
780 781 782
  CACHED_DEOPTIMIZE_IF_LIST(CACHED_DEOPTIMIZE_IF)
#undef CACHED_DEOPTIMIZE_IF

783 784
  template <DeoptimizeKind kKind, DeoptimizeReason kReason,
            IsSafetyCheck is_safety_check>
785 786
  struct DeoptimizeUnlessOperator final
      : public Operator1<DeoptimizeParameters> {
787
    DeoptimizeUnlessOperator()
788
        : Operator1<DeoptimizeParameters>(               // --
789 790 791 792
              IrOpcode::kDeoptimizeUnless,               // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "DeoptimizeUnless",                        // name
              2, 1, 1, 0, 1, 1,                          // counts
793
              DeoptimizeParameters(kKind, kReason, FeedbackSource(),
794
                                   is_safety_check)) {}
795
  };
796
#define CACHED_DEOPTIMIZE_UNLESS(Kind, Reason, IsCheck) \
797
  DeoptimizeUnlessOperator<DeoptimizeKind::k##Kind,     \
798 799 800
                           DeoptimizeReason::k##Reason, \
                           IsSafetyCheck::k##IsCheck>   \
      kDeoptimizeUnless##Kind##Reason##IsCheck##Operator;
801 802 803
  CACHED_DEOPTIMIZE_UNLESS_LIST(CACHED_DEOPTIMIZE_UNLESS)
#undef CACHED_DEOPTIMIZE_UNLESS

804 805
  struct DynamicMapCheckOperator final : Operator1<DeoptimizeParameters> {
    DynamicMapCheckOperator()
806 807 808 809 810
        : Operator1<DeoptimizeParameters>(                 // --
              IrOpcode::kDynamicCheckMapsWithDeoptUnless,  // opcode
              Operator::kFoldable | Operator::kNoThrow,    // properties
              "DynamicCheckMapsWithDeoptUnless",           // name
              5, 1, 1, 0, 1, 1,                            // counts
811
              DeoptimizeParameters(DeoptimizeKind::kEagerWithResume,
812
                                   DeoptimizeReason::kDynamicCheckMaps,
813 814 815
                                   FeedbackSource(),
                                   IsSafetyCheck::kCriticalSafetyCheck)) {}
  };
816
  DynamicMapCheckOperator kDynamicCheckMapsWithDeoptUnless;
817

818 819
  template <TrapId trap_id>
  struct TrapIfOperator final : public Operator1<TrapId> {
820
    TrapIfOperator()
821
        : Operator1<TrapId>(                             // --
822 823 824 825 826 827
              IrOpcode::kTrapIf,                         // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "TrapIf",                                  // name
              1, 1, 1, 0, 0, 1,                          // counts
              trap_id) {}                                // parameter
  };
828 829
#define CACHED_TRAP_IF(Trap) \
  TrapIfOperator<TrapId::k##Trap> kTrapIf##Trap##Operator;
830 831 832
  CACHED_TRAP_IF_LIST(CACHED_TRAP_IF)
#undef CACHED_TRAP_IF

833 834
  template <TrapId trap_id>
  struct TrapUnlessOperator final : public Operator1<TrapId> {
835
    TrapUnlessOperator()
836
        : Operator1<TrapId>(                             // --
837 838 839 840 841 842
              IrOpcode::kTrapUnless,                     // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "TrapUnless",                              // name
              1, 1, 1, 0, 0, 1,                          // counts
              trap_id) {}                                // parameter
  };
843 844
#define CACHED_TRAP_UNLESS(Trap) \
  TrapUnlessOperator<TrapId::k##Trap> kTrapUnless##Trap##Operator;
845 846 847
  CACHED_TRAP_UNLESS_LIST(CACHED_TRAP_UNLESS)
#undef CACHED_TRAP_UNLESS

848 849
  template <MachineRepresentation kRep, int kInputCount>
  struct PhiOperator final : public Operator1<MachineRepresentation> {
850
    PhiOperator()
851
        : Operator1<MachineRepresentation>(     //--
852 853 854
              IrOpcode::kPhi, Operator::kPure,  // opcode
              "Phi",                            // name
              kInputCount, 0, 1, 1, 0, 0,       // counts
855
              kRep) {}                          // parameter
856
  };
857 858 859
#define CACHED_PHI(rep, input_count)                   \
  PhiOperator<MachineRepresentation::rep, input_count> \
      kPhi##rep##input_count##Operator;
860 861 862
  CACHED_PHI_LIST(CACHED_PHI)
#undef CACHED_PHI

863 864 865 866 867 868 869 870 871 872 873 874 875 876
  template <int kInputCount>
  struct InductionVariablePhiOperator final : public Operator {
    InductionVariablePhiOperator()
        : Operator(                                              //--
              IrOpcode::kInductionVariablePhi, Operator::kPure,  // opcode
              "InductionVariablePhi",                            // name
              kInputCount, 0, 1, 1, 0, 0) {}                     // counts
  };
#define CACHED_INDUCTION_VARIABLE_PHI(input_count) \
  InductionVariablePhiOperator<input_count>        \
      kInductionVariablePhi##input_count##Operator;
  CACHED_INDUCTION_VARIABLE_PHI_LIST(CACHED_INDUCTION_VARIABLE_PHI)
#undef CACHED_INDUCTION_VARIABLE_PHI

877
  template <int kIndex>
878
  struct ParameterOperator final : public Operator1<ParameterInfo> {
879
    ParameterOperator()
880
        : Operator1<ParameterInfo>(                   // --
881 882 883
              IrOpcode::kParameter, Operator::kPure,  // opcode
              "Parameter",                            // name
              1, 0, 0, 1, 0, 0,                       // counts,
884
              ParameterInfo(kIndex, nullptr)) {}      // parameter and name
885 886 887 888 889
  };
#define CACHED_PARAMETER(index) \
  ParameterOperator<index> kParameter##index##Operator;
  CACHED_PARAMETER_LIST(CACHED_PARAMETER)
#undef CACHED_PARAMETER
890 891

  template <size_t kIndex>
892
  struct ProjectionOperator final : public Operator1<size_t> {
893
    ProjectionOperator()
894 895 896 897
        : Operator1<size_t>(          // --
              IrOpcode::kProjection,  // opcode
              Operator::kPure,        // flags
              "Projection",           // name
898
              1, 0, 1, 1, 0, 0,       // counts,
899
              kIndex) {}              // parameter
900 901 902 903 904 905 906
  };
#define CACHED_PROJECTION(index) \
  ProjectionOperator<index> kProjection##index##Operator;
  CACHED_PROJECTION_LIST(CACHED_PROJECTION)
#undef CACHED_PROJECTION

  template <int kInputCount>
907
  struct StateValuesOperator final : public Operator1<SparseInputMask> {
908
    StateValuesOperator()
909 910 911 912 913 914
        : Operator1<SparseInputMask>(       // --
              IrOpcode::kStateValues,       // opcode
              Operator::kPure,              // flags
              "StateValues",                // name
              kInputCount, 0, 0, 1, 0, 0,   // counts
              SparseInputMask::Dense()) {}  // parameter
915 916 917 918 919
  };
#define CACHED_STATE_VALUES(input_count) \
  StateValuesOperator<input_count> kStateValues##input_count##Operator;
  CACHED_STATE_VALUES_LIST(CACHED_STATE_VALUES)
#undef CACHED_STATE_VALUES
920 921
};

922 923
namespace {
DEFINE_LAZY_LEAKY_OBJECT_GETTER(CommonOperatorGlobalCache,
924
                                GetCommonOperatorGlobalCache)
925
}  // namespace
926 927

CommonOperatorBuilder::CommonOperatorBuilder(Zone* zone)
928
    : cache_(*GetCommonOperatorGlobalCache()), zone_(zone) {}
929

930 931 932 933 934
#define CACHED(Name, properties, value_input_count, effect_input_count,      \
               control_input_count, value_output_count, effect_output_count, \
               control_output_count)                                         \
  const Operator* CommonOperatorBuilder::Name() {                            \
    return &cache_.k##Name##Operator;                                        \
935
  }
936
COMMON_CACHED_OP_LIST(CACHED)
937
#undef CACHED
938 939


940 941 942 943 944 945 946 947 948 949 950
const Operator* CommonOperatorBuilder::End(size_t control_input_count) {
  switch (control_input_count) {
#define CACHED_END(input_count) \
  case input_count:             \
    return &cache_.kEnd##input_count##Operator;
    CACHED_END_LIST(CACHED_END)
#undef CACHED_END
    default:
      break;
  }
  // Uncached.
951
  return zone()->New<Operator>(             //--
952 953 954 955 956
      IrOpcode::kEnd, Operator::kKontrol,   // opcode
      "End",                                // name
      0, 0, control_input_count, 0, 0, 0);  // counts
}

957 958 959 960 961 962 963 964 965 966 967
const Operator* CommonOperatorBuilder::Return(int value_input_count) {
  switch (value_input_count) {
#define CACHED_RETURN(input_count) \
  case input_count:                \
    return &cache_.kReturn##input_count##Operator;
    CACHED_RETURN_LIST(CACHED_RETURN)
#undef CACHED_RETURN
    default:
      break;
  }
  // Uncached.
968
  return zone()->New<Operator>(               //--
969 970
      IrOpcode::kReturn, Operator::kNoThrow,  // opcode
      "Return",                               // name
971
      value_input_count + 1, 1, 1, 0, 0, 1);  // counts
972 973
}

974 975 976 977 978 979
const Operator* CommonOperatorBuilder::StaticAssert(const char* source) {
  return zone()->New<Operator1<const char*>>(
      IrOpcode::kStaticAssert, Operator::kFoldable, "StaticAssert", 1, 1, 0, 0,
      1, 0, source);
}

980
const Operator* CommonOperatorBuilder::Branch(BranchHint hint,
981 982 983 984 985
                                              IsSafetyCheck is_safety_check) {
#define CACHED_BRANCH(Hint, IsCheck)                  \
  if (hint == BranchHint::k##Hint &&                  \
      is_safety_check == IsSafetyCheck::k##IsCheck) { \
    return &cache_.kBranch##Hint##IsCheck##Operator;  \
986
  }
987 988
  CACHED_BRANCH_LIST(CACHED_BRANCH)
#undef CACHED_BRANCH
989
  UNREACHABLE();
990 991
}

992 993
const Operator* CommonOperatorBuilder::Deoptimize(
    DeoptimizeKind kind, DeoptimizeReason reason,
994
    FeedbackSource const& feedback) {
995 996 997 998
#define CACHED_DEOPTIMIZE(Kind, Reason)                               \
  if (kind == DeoptimizeKind::k##Kind &&                              \
      reason == DeoptimizeReason::k##Reason && !feedback.IsValid()) { \
    return &cache_.kDeoptimize##Kind##Reason##Operator;               \
999 1000 1001 1002
  }
  CACHED_DEOPTIMIZE_LIST(CACHED_DEOPTIMIZE)
#undef CACHED_DEOPTIMIZE
  // Uncached
1003 1004
  DeoptimizeParameters parameter(kind, reason, feedback,
                                 IsSafetyCheck::kNoSafetyCheck);
1005
  return zone()->New<Operator1<DeoptimizeParameters>>(  // --
1006 1007 1008 1009 1010 1011
      IrOpcode::kDeoptimize,                            // opcodes
      Operator::kFoldable | Operator::kNoThrow,         // properties
      "Deoptimize",                                     // name
      1, 1, 1, 0, 0, 1,                                 // counts
      parameter);                                       // parameter
}
1012

1013 1014
const Operator* CommonOperatorBuilder::DeoptimizeIf(
    DeoptimizeKind kind, DeoptimizeReason reason,
1015
    FeedbackSource const& feedback, IsSafetyCheck is_safety_check) {
1016 1017 1018 1019 1020
#define CACHED_DEOPTIMIZE_IF(Kind, Reason, IsCheck)                          \
  if (kind == DeoptimizeKind::k##Kind &&                                     \
      reason == DeoptimizeReason::k##Reason &&                               \
      is_safety_check == IsSafetyCheck::k##IsCheck && !feedback.IsValid()) { \
    return &cache_.kDeoptimizeIf##Kind##Reason##IsCheck##Operator;           \
1021
  }
1022 1023
  CACHED_DEOPTIMIZE_IF_LIST(CACHED_DEOPTIMIZE_IF)
#undef CACHED_DEOPTIMIZE_IF
1024
  // Uncached
1025
  DeoptimizeParameters parameter(kind, reason, feedback, is_safety_check);
1026
  return zone()->New<Operator1<DeoptimizeParameters>>(  // --
1027 1028 1029 1030 1031
      IrOpcode::kDeoptimizeIf,                          // opcode
      Operator::kFoldable | Operator::kNoThrow,         // properties
      "DeoptimizeIf",                                   // name
      2, 1, 1, 0, 1, 1,                                 // counts
      parameter);                                       // parameter
1032 1033
}

1034
const Operator* CommonOperatorBuilder::DeoptimizeUnless(
1035
    DeoptimizeKind kind, DeoptimizeReason reason,
1036
    FeedbackSource const& feedback, IsSafetyCheck is_safety_check) {
1037 1038 1039 1040 1041
#define CACHED_DEOPTIMIZE_UNLESS(Kind, Reason, IsCheck)                      \
  if (kind == DeoptimizeKind::k##Kind &&                                     \
      reason == DeoptimizeReason::k##Reason &&                               \
      is_safety_check == IsSafetyCheck::k##IsCheck && !feedback.IsValid()) { \
    return &cache_.kDeoptimizeUnless##Kind##Reason##IsCheck##Operator;       \
1042
  }
1043 1044
  CACHED_DEOPTIMIZE_UNLESS_LIST(CACHED_DEOPTIMIZE_UNLESS)
#undef CACHED_DEOPTIMIZE_UNLESS
1045
  // Uncached
1046
  DeoptimizeParameters parameter(kind, reason, feedback, is_safety_check);
1047
  return zone()->New<Operator1<DeoptimizeParameters>>(  // --
1048 1049 1050 1051 1052
      IrOpcode::kDeoptimizeUnless,                      // opcode
      Operator::kFoldable | Operator::kNoThrow,         // properties
      "DeoptimizeUnless",                               // name
      2, 1, 1, 0, 1, 1,                                 // counts
      parameter);                                       // parameter
1053
}
1054

1055 1056
const Operator* CommonOperatorBuilder::DynamicCheckMapsWithDeoptUnless() {
  return &cache_.kDynamicCheckMapsWithDeoptUnless;
1057 1058
}

1059
const Operator* CommonOperatorBuilder::TrapIf(TrapId trap_id) {
1060
  switch (trap_id) {
1061 1062
#define CACHED_TRAP_IF(Trap) \
  case TrapId::k##Trap:      \
1063 1064 1065 1066 1067 1068 1069
    return &cache_.kTrapIf##Trap##Operator;
    CACHED_TRAP_IF_LIST(CACHED_TRAP_IF)
#undef CACHED_TRAP_IF
    default:
      break;
  }
  // Uncached
1070
  return zone()->New<Operator1<TrapId>>(         // --
1071 1072 1073 1074 1075 1076 1077
      IrOpcode::kTrapIf,                         // opcode
      Operator::kFoldable | Operator::kNoThrow,  // properties
      "TrapIf",                                  // name
      1, 1, 1, 0, 0, 1,                          // counts
      trap_id);                                  // parameter
}

1078
const Operator* CommonOperatorBuilder::TrapUnless(TrapId trap_id) {
1079
  switch (trap_id) {
1080 1081
#define CACHED_TRAP_UNLESS(Trap) \
  case TrapId::k##Trap:          \
1082 1083 1084 1085 1086 1087 1088
    return &cache_.kTrapUnless##Trap##Operator;
    CACHED_TRAP_UNLESS_LIST(CACHED_TRAP_UNLESS)
#undef CACHED_TRAP_UNLESS
    default:
      break;
  }
  // Uncached
1089
  return zone()->New<Operator1<TrapId>>(         // --
1090 1091 1092 1093 1094 1095
      IrOpcode::kTrapUnless,                     // opcode
      Operator::kFoldable | Operator::kNoThrow,  // properties
      "TrapUnless",                              // name
      1, 1, 1, 0, 0, 1,                          // counts
      trap_id);                                  // parameter
}
1096

1097
const Operator* CommonOperatorBuilder::Switch(size_t control_output_count) {
1098
  return zone()->New<Operator>(               // --
1099 1100 1101
      IrOpcode::kSwitch, Operator::kKontrol,  // opcode
      "Switch",                               // name
      1, 0, 1, 0, 0, control_output_count);   // counts
1102 1103
}

1104
const Operator* CommonOperatorBuilder::IfValue(int32_t index,
1105 1106
                                               int32_t comparison_order,
                                               BranchHint hint) {
1107
  return zone()->New<Operator1<IfValueParameters>>(       // --
1108 1109 1110 1111 1112 1113 1114
      IrOpcode::kIfValue, Operator::kKontrol,             // opcode
      "IfValue",                                          // name
      0, 0, 1, 0, 0, 1,                                   // counts
      IfValueParameters(index, comparison_order, hint));  // parameter
}

const Operator* CommonOperatorBuilder::IfDefault(BranchHint hint) {
1115
  return zone()->New<Operator1<BranchHint>>(     // --
1116 1117 1118 1119
      IrOpcode::kIfDefault, Operator::kKontrol,  // opcode
      "IfDefault",                               // name
      0, 0, 1, 0, 0, 1,                          // counts
      hint);                                     // parameter
1120 1121
}

1122
const Operator* CommonOperatorBuilder::Start(int value_output_count) {
1123
  return zone()->New<Operator>(                                    // --
1124 1125 1126
      IrOpcode::kStart, Operator::kFoldable | Operator::kNoThrow,  // opcode
      "Start",                                                     // name
      0, 0, 0, value_output_count, 1, 1);                          // counts
1127 1128 1129
}


1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140
const Operator* CommonOperatorBuilder::Loop(int control_input_count) {
  switch (control_input_count) {
#define CACHED_LOOP(input_count) \
  case input_count:              \
    return &cache_.kLoop##input_count##Operator;
    CACHED_LOOP_LIST(CACHED_LOOP)
#undef CACHED_LOOP
    default:
      break;
  }
  // Uncached.
1141
  return zone()->New<Operator>(             // --
1142 1143 1144
      IrOpcode::kLoop, Operator::kKontrol,  // opcode
      "Loop",                               // name
      0, 0, control_input_count, 0, 0, 1);  // counts
1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158
}


const Operator* CommonOperatorBuilder::Merge(int control_input_count) {
  switch (control_input_count) {
#define CACHED_MERGE(input_count) \
  case input_count:               \
    return &cache_.kMerge##input_count##Operator;
    CACHED_MERGE_LIST(CACHED_MERGE)
#undef CACHED_MERGE
    default:
      break;
  }
  // Uncached.
1159
  return zone()->New<Operator>(              // --
1160 1161 1162
      IrOpcode::kMerge, Operator::kKontrol,  // opcode
      "Merge",                               // name
      0, 0, control_input_count, 0, 0, 1);   // counts
1163 1164
}

1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182
const Operator* CommonOperatorBuilder::LoopExitValue(
    MachineRepresentation rep) {
  switch (rep) {
#define CACHED_LOOP_EXIT_VALUE(kRep) \
  case MachineRepresentation::kRep:  \
    return &cache_.kLoopExitValue##kRep##Operator;

    CACHED_LOOP_EXIT_VALUE_LIST(CACHED_LOOP_EXIT_VALUE)
#undef CACHED_LOOP_EXIT_VALUE
    default:
      // Uncached.
      return zone()->New<Operator1<MachineRepresentation>>(  // --
          IrOpcode::kLoopExitValue, Operator::kPure,         // opcode
          "LoopExitValue",                                   // name
          1, 0, 1, 1, 0, 0,                                  // counts
          rep);                                              // parameter
  }
}
1183

1184 1185 1186 1187
const Operator* CommonOperatorBuilder::Parameter(int index,
                                                 const char* debug_name) {
  if (!debug_name) {
    switch (index) {
1188 1189 1190
#define CACHED_PARAMETER(index) \
  case index:                   \
    return &cache_.kParameter##index##Operator;
1191
      CACHED_PARAMETER_LIST(CACHED_PARAMETER)
1192
#undef CACHED_PARAMETER
1193 1194 1195
      default:
        break;
    }
1196 1197
  }
  // Uncached.
1198
  return zone()->New<Operator1<ParameterInfo>>(  // --
1199 1200 1201 1202
      IrOpcode::kParameter, Operator::kPure,     // opcode
      "Parameter",                               // name
      1, 0, 0, 1, 0, 0,                          // counts
      ParameterInfo(index, debug_name));         // parameter info
1203 1204
}

1205
const Operator* CommonOperatorBuilder::OsrValue(int index) {
1206
  return zone()->New<Operator1<int>>(                // --
1207 1208 1209 1210
      IrOpcode::kOsrValue, Operator::kNoProperties,  // opcode
      "OsrValue",                                    // name
      0, 0, 1, 1, 0, 0,                              // counts
      index);                                        // parameter
1211 1212
}

1213
const Operator* CommonOperatorBuilder::Int32Constant(int32_t value) {
1214
  return zone()->New<Operator1<int32_t>>(         // --
1215 1216 1217 1218
      IrOpcode::kInt32Constant, Operator::kPure,  // opcode
      "Int32Constant",                            // name
      0, 0, 0, 1, 0, 0,                           // counts
      value);                                     // parameter
1219 1220 1221 1222
}


const Operator* CommonOperatorBuilder::Int64Constant(int64_t value) {
1223
  return zone()->New<Operator1<int64_t>>(         // --
1224 1225 1226 1227
      IrOpcode::kInt64Constant, Operator::kPure,  // opcode
      "Int64Constant",                            // name
      0, 0, 0, 1, 0, 0,                           // counts
      value);                                     // parameter
1228 1229
}

1230
const Operator* CommonOperatorBuilder::TaggedIndexConstant(int32_t value) {
1231
  return zone()->New<Operator1<int32_t>>(               // --
1232 1233 1234 1235 1236
      IrOpcode::kTaggedIndexConstant, Operator::kPure,  // opcode
      "TaggedIndexConstant",                            // name
      0, 0, 0, 1, 0, 0,                                 // counts
      value);                                           // parameter
}
1237

1238
const Operator* CommonOperatorBuilder::Float32Constant(volatile float value) {
1239
  return zone()->New<Operator1<float>>(             // --
1240 1241 1242 1243
      IrOpcode::kFloat32Constant, Operator::kPure,  // opcode
      "Float32Constant",                            // name
      0, 0, 0, 1, 0, 0,                             // counts
      value);                                       // parameter
1244 1245 1246
}


1247
const Operator* CommonOperatorBuilder::Float64Constant(volatile double value) {
1248
  return zone()->New<Operator1<double>>(            // --
1249 1250 1251 1252
      IrOpcode::kFloat64Constant, Operator::kPure,  // opcode
      "Float64Constant",                            // name
      0, 0, 0, 1, 0, 0,                             // counts
      value);                                       // parameter
1253 1254 1255 1256 1257
}


const Operator* CommonOperatorBuilder::ExternalConstant(
    const ExternalReference& value) {
1258
  return zone()->New<Operator1<ExternalReference>>(  // --
1259 1260 1261 1262
      IrOpcode::kExternalConstant, Operator::kPure,  // opcode
      "ExternalConstant",                            // name
      0, 0, 0, 1, 0, 0,                              // counts
      value);                                        // parameter
1263 1264 1265 1266
}


const Operator* CommonOperatorBuilder::NumberConstant(volatile double value) {
1267
  return zone()->New<Operator1<double>>(           // --
1268 1269 1270 1271
      IrOpcode::kNumberConstant, Operator::kPure,  // opcode
      "NumberConstant",                            // name
      0, 0, 0, 1, 0, 0,                            // counts
      value);                                      // parameter
1272 1273
}

1274
const Operator* CommonOperatorBuilder::PointerConstant(intptr_t value) {
1275
  return zone()->New<Operator1<intptr_t>>(          // --
1276 1277 1278 1279 1280
      IrOpcode::kPointerConstant, Operator::kPure,  // opcode
      "PointerConstant",                            // name
      0, 0, 0, 1, 0, 0,                             // counts
      value);                                       // parameter
}
1281 1282

const Operator* CommonOperatorBuilder::HeapConstant(
1283
    const Handle<HeapObject>& value) {
1284
  return zone()->New<Operator1<Handle<HeapObject>>>(  // --
1285 1286 1287 1288
      IrOpcode::kHeapConstant, Operator::kPure,       // opcode
      "HeapConstant",                                 // name
      0, 0, 0, 1, 0, 0,                               // counts
      value);                                         // parameter
1289 1290
}

1291 1292
const Operator* CommonOperatorBuilder::CompressedHeapConstant(
    const Handle<HeapObject>& value) {
1293
  return zone()->New<Operator1<Handle<HeapObject>>>(       // --
1294 1295 1296 1297 1298 1299
      IrOpcode::kCompressedHeapConstant, Operator::kPure,  // opcode
      "CompressedHeapConstant",                            // name
      0, 0, 0, 1, 0, 0,                                    // counts
      value);                                              // parameter
}

1300
Handle<HeapObject> HeapConstantOf(const Operator* op) {
1301 1302
  DCHECK(IrOpcode::kHeapConstant == op->opcode() ||
         IrOpcode::kCompressedHeapConstant == op->opcode());
1303 1304 1305
  return OpParameter<Handle<HeapObject>>(op);
}

1306 1307 1308 1309 1310
const StringConstantBase* StringConstantBaseOf(const Operator* op) {
  DCHECK_EQ(IrOpcode::kDelayedStringConstant, op->opcode());
  return OpParameter<const StringConstantBase*>(op);
}

1311 1312 1313 1314 1315
const char* StaticAssertSourceOf(const Operator* op) {
  DCHECK_EQ(IrOpcode::kStaticAssert, op->opcode());
  return OpParameter<const char*>(op);
}

1316 1317
const Operator* CommonOperatorBuilder::RelocatableInt32Constant(
    int32_t value, RelocInfo::Mode rmode) {
1318
  return zone()->New<Operator1<RelocatablePtrConstantInfo>>(  // --
1319 1320 1321 1322 1323 1324 1325 1326
      IrOpcode::kRelocatableInt32Constant, Operator::kPure,   // opcode
      "RelocatableInt32Constant",                             // name
      0, 0, 0, 1, 0, 0,                                       // counts
      RelocatablePtrConstantInfo(value, rmode));              // parameter
}

const Operator* CommonOperatorBuilder::RelocatableInt64Constant(
    int64_t value, RelocInfo::Mode rmode) {
1327
  return zone()->New<Operator1<RelocatablePtrConstantInfo>>(  // --
1328 1329 1330 1331
      IrOpcode::kRelocatableInt64Constant, Operator::kPure,   // opcode
      "RelocatableInt64Constant",                             // name
      0, 0, 0, 1, 0, 0,                                       // counts
      RelocatablePtrConstantInfo(value, rmode));              // parameter
1332
}
1333

1334
const Operator* CommonOperatorBuilder::ObjectId(uint32_t object_id) {
1335
  return zone()->New<Operator1<uint32_t>>(   // --
1336 1337 1338 1339 1340 1341
      IrOpcode::kObjectId, Operator::kPure,  // opcode
      "ObjectId",                            // name
      0, 0, 0, 1, 0, 0,                      // counts
      object_id);                            // parameter
}

1342
const Operator* CommonOperatorBuilder::Select(MachineRepresentation rep,
1343
                                              BranchHint hint) {
1344
  return zone()->New<Operator1<SelectParameters>>(  // --
1345 1346 1347
      IrOpcode::kSelect, Operator::kPure,           // opcode
      "Select",                                     // name
      3, 0, 0, 1, 0, 0,                             // counts
1348
      SelectParameters(rep, hint));                 // parameter
1349 1350 1351
}


1352
const Operator* CommonOperatorBuilder::Phi(MachineRepresentation rep,
1353
                                           int value_input_count) {
1354
  DCHECK_LT(0, value_input_count);  // Disallow empty phis.
1355 1356 1357 1358
#define CACHED_PHI(kRep, kValueInputCount)                 \
  if (MachineRepresentation::kRep == rep &&                \
      kValueInputCount == value_input_count) {             \
    return &cache_.kPhi##kRep##kValueInputCount##Operator; \
1359 1360 1361 1362
  }
  CACHED_PHI_LIST(CACHED_PHI)
#undef CACHED_PHI
  // Uncached.
1363
  return zone()->New<Operator1<MachineRepresentation>>(  // --
1364 1365 1366 1367
      IrOpcode::kPhi, Operator::kPure,                   // opcode
      "Phi",                                             // name
      value_input_count, 0, 1, 1, 0, 0,                  // counts
      rep);                                              // parameter
1368 1369
}

1370
const Operator* CommonOperatorBuilder::TypeGuard(Type type) {
1371
  return zone()->New<Operator1<Type>>(        // --
1372 1373
      IrOpcode::kTypeGuard, Operator::kPure,  // opcode
      "TypeGuard",                            // name
1374
      1, 1, 1, 1, 1, 0,                       // counts
1375 1376
      type);                                  // parameter
}
1377

1378
const Operator* CommonOperatorBuilder::FoldConstant() {
1379
  return zone()->New<Operator>(                  // --
1380 1381 1382 1383 1384
      IrOpcode::kFoldConstant, Operator::kPure,  // opcode
      "FoldConstant",                            // name
      2, 0, 0, 1, 0, 0);                         // counts
}

1385
const Operator* CommonOperatorBuilder::EffectPhi(int effect_input_count) {
1386
  DCHECK_LT(0, effect_input_count);  // Disallow empty effect phis.
1387 1388 1389 1390 1391 1392 1393 1394 1395 1396
  switch (effect_input_count) {
#define CACHED_EFFECT_PHI(input_count) \
  case input_count:                    \
    return &cache_.kEffectPhi##input_count##Operator;
    CACHED_EFFECT_PHI_LIST(CACHED_EFFECT_PHI)
#undef CACHED_EFFECT_PHI
    default:
      break;
  }
  // Uncached.
1397
  return zone()->New<Operator>(                  // --
1398 1399 1400
      IrOpcode::kEffectPhi, Operator::kKontrol,  // opcode
      "EffectPhi",                               // name
      0, effect_input_count, 1, 0, 1, 0);        // counts
1401 1402
}

1403
const Operator* CommonOperatorBuilder::InductionVariablePhi(int input_count) {
1404 1405
  DCHECK_LE(4, input_count);  // There must be always the entry, backedge,
                              // increment and at least one bound.
1406 1407 1408 1409 1410 1411 1412 1413 1414 1415
  switch (input_count) {
#define CACHED_INDUCTION_VARIABLE_PHI(input_count) \
  case input_count:                                \
    return &cache_.kInductionVariablePhi##input_count##Operator;
    CACHED_INDUCTION_VARIABLE_PHI_LIST(CACHED_INDUCTION_VARIABLE_PHI)
#undef CACHED_INDUCTION_VARIABLE_PHI
    default:
      break;
  }
  // Uncached.
1416
  return zone()->New<Operator>(                          // --
1417 1418 1419 1420 1421
      IrOpcode::kInductionVariablePhi, Operator::kPure,  // opcode
      "InductionVariablePhi",                            // name
      input_count, 0, 1, 1, 0, 0);                       // counts
}

1422 1423 1424 1425 1426 1427 1428 1429 1430 1431
const Operator* CommonOperatorBuilder::BeginRegion(
    RegionObservability region_observability) {
  switch (region_observability) {
    case RegionObservability::kObservable:
      return &cache_.kBeginRegionObservableOperator;
    case RegionObservability::kNotObservable:
      return &cache_.kBeginRegionNotObservableOperator;
  }
  UNREACHABLE();
}
1432

1433 1434 1435 1436
const Operator* CommonOperatorBuilder::StateValues(int arguments,
                                                   SparseInputMask bitmask) {
  if (bitmask.IsDense()) {
    switch (arguments) {
1437 1438 1439
#define CACHED_STATE_VALUES(arguments) \
  case arguments:                      \
    return &cache_.kStateValues##arguments##Operator;
1440
      CACHED_STATE_VALUES_LIST(CACHED_STATE_VALUES)
1441
#undef CACHED_STATE_VALUES
1442 1443 1444
      default:
        break;
    }
1445
  }
1446 1447 1448 1449 1450

#if DEBUG
  DCHECK(bitmask.IsDense() || bitmask.CountReal() == arguments);
#endif

1451
  // Uncached.
1452
  return zone()->New<Operator1<SparseInputMask>>(  // --
1453 1454 1455 1456
      IrOpcode::kStateValues, Operator::kPure,     // opcode
      "StateValues",                               // name
      arguments, 0, 0, 1, 0, 0,                    // counts
      bitmask);                                    // parameter
1457 1458
}

1459
const Operator* CommonOperatorBuilder::TypedStateValues(
1460 1461 1462 1463 1464 1465
    const ZoneVector<MachineType>* types, SparseInputMask bitmask) {
#if DEBUG
  DCHECK(bitmask.IsDense() ||
         bitmask.CountReal() == static_cast<int>(types->size()));
#endif

1466
  return zone()->New<Operator1<TypedStateValueInfo>>(  // --
1467 1468 1469 1470
      IrOpcode::kTypedStateValues, Operator::kPure,    // opcode
      "TypedStateValues",                              // name
      static_cast<int>(types->size()), 0, 0, 1, 0, 0,  // counts
      TypedStateValueInfo(types, bitmask));            // parameters
1471
}
1472

1473 1474
const Operator* CommonOperatorBuilder::ArgumentsElementsState(
    ArgumentsStateType type) {
1475
  return zone()->New<Operator1<ArgumentsStateType>>(       // --
1476 1477
      IrOpcode::kArgumentsElementsState, Operator::kPure,  // opcode
      "ArgumentsElementsState",                            // name
1478 1479
      0, 0, 0, 1, 0, 0,                                    // counts
      type);                                               // parameter
1480 1481
}

1482 1483
const Operator* CommonOperatorBuilder::ArgumentsLengthState() {
  return zone()->New<Operator>(                          // --
1484 1485
      IrOpcode::kArgumentsLengthState, Operator::kPure,  // opcode
      "ArgumentsLengthState",                            // name
1486
      0, 0, 0, 1, 0, 0);                                 // counts
1487 1488
}

1489
ArgumentsStateType ArgumentsStateTypeOf(Operator const* op) {
1490
  DCHECK(op->opcode() == IrOpcode::kArgumentsElementsState);
1491
  return OpParameter<ArgumentsStateType>(op);
1492 1493
}

1494
const Operator* CommonOperatorBuilder::ObjectState(uint32_t object_id,
1495
                                                   int pointer_slots) {
1496
  return zone()->New<Operator1<ObjectStateInfo>>(  // --
1497 1498 1499 1500
      IrOpcode::kObjectState, Operator::kPure,     // opcode
      "ObjectState",                               // name
      pointer_slots, 0, 0, 1, 0, 0,                // counts
      ObjectStateInfo{object_id, pointer_slots});  // parameter
1501 1502
}

1503
const Operator* CommonOperatorBuilder::TypedObjectState(
1504
    uint32_t object_id, const ZoneVector<MachineType>* types) {
1505
  return zone()->New<Operator1<TypedObjectStateInfo>>(  // --
1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522
      IrOpcode::kTypedObjectState, Operator::kPure,     // opcode
      "TypedObjectState",                               // name
      static_cast<int>(types->size()), 0, 0, 1, 0, 0,   // counts
      TypedObjectStateInfo(object_id, types));          // parameter
}

uint32_t ObjectIdOf(Operator const* op) {
  switch (op->opcode()) {
    case IrOpcode::kObjectState:
      return OpParameter<ObjectStateInfo>(op).object_id();
    case IrOpcode::kTypedObjectState:
      return OpParameter<TypedObjectStateInfo>(op).object_id();
    case IrOpcode::kObjectId:
      return OpParameter<uint32_t>(op);
    default:
      UNREACHABLE();
  }
1523 1524
}

1525 1526 1527 1528 1529
MachineRepresentation DeadValueRepresentationOf(Operator const* op) {
  DCHECK_EQ(IrOpcode::kDeadValue, op->opcode());
  return OpParameter<MachineRepresentation>(op);
}

1530
const Operator* CommonOperatorBuilder::FrameState(
1531
    BytecodeOffset bailout_id, OutputFrameStateCombine state_combine,
1532 1533
    const FrameStateFunctionInfo* function_info) {
  FrameStateInfo state_info(bailout_id, state_combine, function_info);
1534
  return zone()->New<Operator1<FrameStateInfo>>(  // --
1535 1536 1537 1538
      IrOpcode::kFrameState, Operator::kPure,     // opcode
      "FrameState",                               // name
      5, 0, 0, 1, 0, 0,                           // counts
      state_info);                                // parameter
1539 1540
}

1541 1542
const Operator* CommonOperatorBuilder::Call(
    const CallDescriptor* call_descriptor) {
1543
  class CallOperator final : public Operator1<const CallDescriptor*> {
1544
   public:
1545
    explicit CallOperator(const CallDescriptor* call_descriptor)
1546
        : Operator1<const CallDescriptor*>(
1547 1548 1549 1550 1551 1552 1553 1554 1555
              IrOpcode::kCall, call_descriptor->properties(), "Call",
              call_descriptor->InputCount() +
                  call_descriptor->FrameStateCount(),
              Operator::ZeroIfPure(call_descriptor->properties()),
              Operator::ZeroIfEliminatable(call_descriptor->properties()),
              call_descriptor->ReturnCount(),
              Operator::ZeroIfPure(call_descriptor->properties()),
              Operator::ZeroIfNoThrow(call_descriptor->properties()),
              call_descriptor) {}
1556

1557 1558
    void PrintParameter(std::ostream& os,
                        PrintVerbosity verbose) const override {
1559 1560 1561
      os << "[" << *parameter() << "]";
    }
  };
1562
  return zone()->New<CallOperator>(call_descriptor);
1563
}
1564 1565

const Operator* CommonOperatorBuilder::TailCall(
1566
    const CallDescriptor* call_descriptor) {
1567 1568
  class TailCallOperator final : public Operator1<const CallDescriptor*> {
   public:
1569
    explicit TailCallOperator(const CallDescriptor* call_descriptor)
1570
        : Operator1<const CallDescriptor*>(
1571
              IrOpcode::kTailCall,
1572 1573 1574 1575
              call_descriptor->properties() | Operator::kNoThrow, "TailCall",
              call_descriptor->InputCount() +
                  call_descriptor->FrameStateCount(),
              1, 1, 0, 0, 1, call_descriptor) {}
1576

1577 1578
    void PrintParameter(std::ostream& os,
                        PrintVerbosity verbose) const override {
1579 1580 1581
      os << "[" << *parameter() << "]";
    }
  };
1582
  return zone()->New<TailCallOperator>(call_descriptor);
1583 1584 1585
}

const Operator* CommonOperatorBuilder::Projection(size_t index) {
1586 1587 1588 1589 1590 1591 1592 1593 1594 1595
  switch (index) {
#define CACHED_PROJECTION(index) \
  case index:                    \
    return &cache_.kProjection##index##Operator;
    CACHED_PROJECTION_LIST(CACHED_PROJECTION)
#undef CACHED_PROJECTION
    default:
      break;
  }
  // Uncached.
1596
  return zone()->New<Operator1<size_t>>(  // --
1597 1598 1599 1600 1601
      IrOpcode::kProjection,              // opcode
      Operator::kPure,                    // flags
      "Projection",                       // name
      1, 0, 1, 1, 0, 0,                   // counts
      index);                             // parameter
1602 1603
}

1604 1605 1606 1607

const Operator* CommonOperatorBuilder::ResizeMergeOrPhi(const Operator* op,
                                                        int size) {
  if (op->opcode() == IrOpcode::kPhi) {
1608
    return Phi(PhiRepresentationOf(op), size);
1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619
  } else if (op->opcode() == IrOpcode::kEffectPhi) {
    return EffectPhi(size);
  } else if (op->opcode() == IrOpcode::kMerge) {
    return Merge(size);
  } else if (op->opcode() == IrOpcode::kLoop) {
    return Loop(size);
  } else {
    UNREACHABLE();
  }
}

1620 1621 1622
const FrameStateFunctionInfo*
CommonOperatorBuilder::CreateFrameStateFunctionInfo(
    FrameStateType type, int parameter_count, int local_count,
1623 1624 1625
    Handle<SharedFunctionInfo> shared_info) {
  return zone()->New<FrameStateFunctionInfo>(type, parameter_count, local_count,
                                             shared_info);
1626 1627
}

1628
#if V8_ENABLE_WEBASSEMBLY
1629 1630 1631 1632 1633 1634 1635 1636 1637 1638
const FrameStateFunctionInfo*
CommonOperatorBuilder::CreateJSToWasmFrameStateFunctionInfo(
    FrameStateType type, int parameter_count, int local_count,
    Handle<SharedFunctionInfo> shared_info,
    const wasm::FunctionSig* signature) {
  DCHECK_EQ(type, FrameStateType::kJSToWasmBuiltinContinuation);
  DCHECK_NOT_NULL(signature);
  return zone()->New<JSToWasmFrameStateFunctionInfo>(
      type, parameter_count, local_count, shared_info, signature);
}
1639
#endif  // V8_ENABLE_WEBASSEMBLY
1640

1641
const Operator* CommonOperatorBuilder::DeadValue(MachineRepresentation rep) {
1642
  return zone()->New<Operator1<MachineRepresentation>>(  // --
1643 1644 1645 1646 1647 1648
      IrOpcode::kDeadValue, Operator::kPure,             // opcode
      "DeadValue",                                       // name
      1, 0, 0, 1, 0, 0,                                  // counts
      rep);                                              // parameter
}

1649 1650 1651 1652 1653
const FrameStateInfo& FrameStateInfoOf(const Operator* op) {
  DCHECK_EQ(IrOpcode::kFrameState, op->opcode());
  return OpParameter<FrameStateInfo>(op);
}

1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664
IsSafetyCheck CombineSafetyChecks(IsSafetyCheck a, IsSafetyCheck b) {
  if (a == IsSafetyCheck::kCriticalSafetyCheck ||
      b == IsSafetyCheck::kCriticalSafetyCheck) {
    return IsSafetyCheck::kCriticalSafetyCheck;
  }
  if (a == IsSafetyCheck::kSafetyCheck || b == IsSafetyCheck::kSafetyCheck) {
    return IsSafetyCheck::kSafetyCheck;
  }
  return IsSafetyCheck::kNoSafetyCheck;
}

1665
#undef COMMON_CACHED_OP_LIST
1666
#undef CACHED_BRANCH_LIST
1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682
#undef CACHED_RETURN_LIST
#undef CACHED_END_LIST
#undef CACHED_EFFECT_PHI_LIST
#undef CACHED_INDUCTION_VARIABLE_PHI_LIST
#undef CACHED_LOOP_LIST
#undef CACHED_MERGE_LIST
#undef CACHED_DEOPTIMIZE_LIST
#undef CACHED_DEOPTIMIZE_IF_LIST
#undef CACHED_DEOPTIMIZE_UNLESS_LIST
#undef CACHED_TRAP_IF_LIST
#undef CACHED_TRAP_UNLESS_LIST
#undef CACHED_PARAMETER_LIST
#undef CACHED_PHI_LIST
#undef CACHED_PROJECTION_LIST
#undef CACHED_STATE_VALUES_LIST

1683 1684 1685
}  // namespace compiler
}  // namespace internal
}  // namespace v8