common-operator.cc 58.6 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) {
  return os << info.hint << "|" << info.is_safety_check;
}

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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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  os << p.kind() << ":" << p.reason() << ":" << p.is_safety_check();
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  if (p.feedback().IsValid()) {
    os << "; " << p.feedback();
  }
  return os;
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}

DeoptimizeParameters const& DeoptimizeParametersOf(Operator const* const op) {
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  DCHECK(op->opcode() == IrOpcode::kDeoptimize ||
         op->opcode() == IrOpcode::kDeoptimizeIf ||
         op->opcode() == IrOpcode::kDeoptimizeUnless);
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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) {
  return new (zone()) Operator1<const StringConstantBase*>(
      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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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) {
  if (i.debug_name()) os << i.debug_name() << '#';
  os << i.index();
  return os;
}

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

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) {
  return os << "id:" << i.object_id() << "|" << i.machine_types();
}

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() << "|" << 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;
}

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

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

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) {
  return os << p.machine_types() << "|" << p.sparse_input_mask();
}

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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() &&
         r.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)                                              \
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  V(Dead, Operator::kFoldable, 0, 0, 0, 1, 1, 1)                              \
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  V(Unreachable, Operator::kFoldable, 0, 1, 1, 1, 1, 0)                       \
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  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)                        \
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  V(Throw, Operator::kKontrol, 0, 1, 1, 0, 0, 1)                              \
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  V(Terminate, Operator::kKontrol, 0, 1, 1, 0, 0, 1)                          \
  V(OsrNormalEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1)                    \
  V(OsrLoopEntry, Operator::kFoldable | Operator::kNoThrow, 0, 1, 1, 0, 1, 1) \
  V(LoopExit, Operator::kKontrol, 0, 0, 2, 0, 0, 1)                           \
  V(LoopExitValue, Operator::kPure, 1, 0, 1, 1, 0, 0)                         \
  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)                       \
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  V(Retain, Operator::kKontrol, 1, 1, 0, 0, 1, 0)                             \
  V(StaticAssert, Operator::kFoldable, 1, 1, 0, 0, 1, 0)
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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)      \
  V(TrapFuncInvalid)               \
  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

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  template <size_t kValueInputCount>
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  struct ReturnOperator final : public Operator {
    ReturnOperator()
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        : Operator(                                    // --
              IrOpcode::kReturn, Operator::kNoThrow,   // opcode
              "Return",                                // name
              kValueInputCount + 1, 1, 1, 0, 0, 1) {}  // counts
650
  };
651 652
#define CACHED_RETURN(value_input_count) \
  ReturnOperator<value_input_count> kReturn##value_input_count##Operator;
653 654 655
  CACHED_RETURN_LIST(CACHED_RETURN)
#undef CACHED_RETURN

656
  template <BranchHint hint, IsSafetyCheck is_safety_check>
657
  struct BranchOperator final : public Operator1<BranchOperatorInfo> {
658
    BranchOperator()
659 660 661 662 663
        : Operator1<BranchOperatorInfo>(                     // --
              IrOpcode::kBranch, Operator::kKontrol,         // opcode
              "Branch",                                      // name
              1, 0, 1, 0, 0, 2,                              // counts
              BranchOperatorInfo{hint, is_safety_check}) {}  // parameter
664
  };
665 666 667
#define CACHED_BRANCH(Hint, IsCheck)                             \
  BranchOperator<BranchHint::k##Hint, IsSafetyCheck::k##IsCheck> \
      kBranch##Hint##IsCheck##Operator;
668 669
  CACHED_BRANCH_LIST(CACHED_BRANCH)
#undef CACHED_BRANCH
670

671
  template <int kEffectInputCount>
672
  struct EffectPhiOperator final : public Operator {
673
    EffectPhiOperator()
674 675 676 677
        : Operator(                                      // --
              IrOpcode::kEffectPhi, Operator::kKontrol,  // opcode
              "EffectPhi",                               // name
              0, kEffectInputCount, 1, 0, 1, 0) {}       // counts
678 679 680 681 682 683
  };
#define CACHED_EFFECT_PHI(input_count) \
  EffectPhiOperator<input_count> kEffectPhi##input_count##Operator;
  CACHED_EFFECT_PHI_LIST(CACHED_EFFECT_PHI)
#undef CACHED_EFFECT_PHI

684 685 686 687 688 689 690 691 692 693 694 695 696 697
  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;

698
  template <size_t kInputCount>
699
  struct LoopOperator final : public Operator {
700
    LoopOperator()
701 702 703 704
        : Operator(                                 // --
              IrOpcode::kLoop, Operator::kKontrol,  // opcode
              "Loop",                               // name
              0, 0, kInputCount, 0, 0, 1) {}        // counts
705 706 707 708 709 710 711
  };
#define CACHED_LOOP(input_count) \
  LoopOperator<input_count> kLoop##input_count##Operator;
  CACHED_LOOP_LIST(CACHED_LOOP)
#undef CACHED_LOOP

  template <size_t kInputCount>
712
  struct MergeOperator final : public Operator {
713
    MergeOperator()
714 715 716 717
        : Operator(                                  // --
              IrOpcode::kMerge, Operator::kKontrol,  // opcode
              "Merge",                               // name
              0, 0, kInputCount, 0, 0, 1) {}         // counts
718 719 720 721 722 723
  };
#define CACHED_MERGE(input_count) \
  MergeOperator<input_count> kMerge##input_count##Operator;
  CACHED_MERGE_LIST(CACHED_MERGE)
#undef CACHED_MERGE

724 725 726 727 728 729 730 731
  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
732
              DeoptimizeParameters(kKind, kReason, FeedbackSource(),
733
                                   IsSafetyCheck::kNoSafetyCheck)) {}
734 735 736 737 738 739 740
  };
#define CACHED_DEOPTIMIZE(Kind, Reason)                                    \
  DeoptimizeOperator<DeoptimizeKind::k##Kind, DeoptimizeReason::k##Reason> \
      kDeoptimize##Kind##Reason##Operator;
  CACHED_DEOPTIMIZE_LIST(CACHED_DEOPTIMIZE)
#undef CACHED_DEOPTIMIZE

741 742
  template <DeoptimizeKind kKind, DeoptimizeReason kReason,
            IsSafetyCheck is_safety_check>
743
  struct DeoptimizeIfOperator final : public Operator1<DeoptimizeParameters> {
744
    DeoptimizeIfOperator()
745
        : Operator1<DeoptimizeParameters>(               // --
746 747 748 749
              IrOpcode::kDeoptimizeIf,                   // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "DeoptimizeIf",                            // name
              2, 1, 1, 0, 1, 1,                          // counts
750
              DeoptimizeParameters(kKind, kReason, FeedbackSource(),
751
                                   is_safety_check)) {}
752
  };
753 754 755 756
#define CACHED_DEOPTIMIZE_IF(Kind, Reason, IsCheck)                          \
  DeoptimizeIfOperator<DeoptimizeKind::k##Kind, DeoptimizeReason::k##Reason, \
                       IsSafetyCheck::k##IsCheck>                            \
      kDeoptimizeIf##Kind##Reason##IsCheck##Operator;
757 758 759
  CACHED_DEOPTIMIZE_IF_LIST(CACHED_DEOPTIMIZE_IF)
#undef CACHED_DEOPTIMIZE_IF

760 761
  template <DeoptimizeKind kKind, DeoptimizeReason kReason,
            IsSafetyCheck is_safety_check>
762 763
  struct DeoptimizeUnlessOperator final
      : public Operator1<DeoptimizeParameters> {
764
    DeoptimizeUnlessOperator()
765
        : Operator1<DeoptimizeParameters>(               // --
766 767 768 769
              IrOpcode::kDeoptimizeUnless,               // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "DeoptimizeUnless",                        // name
              2, 1, 1, 0, 1, 1,                          // counts
770
              DeoptimizeParameters(kKind, kReason, FeedbackSource(),
771
                                   is_safety_check)) {}
772
  };
773
#define CACHED_DEOPTIMIZE_UNLESS(Kind, Reason, IsCheck) \
774
  DeoptimizeUnlessOperator<DeoptimizeKind::k##Kind,     \
775 776 777
                           DeoptimizeReason::k##Reason, \
                           IsSafetyCheck::k##IsCheck>   \
      kDeoptimizeUnless##Kind##Reason##IsCheck##Operator;
778 779 780
  CACHED_DEOPTIMIZE_UNLESS_LIST(CACHED_DEOPTIMIZE_UNLESS)
#undef CACHED_DEOPTIMIZE_UNLESS

781 782
  template <TrapId trap_id>
  struct TrapIfOperator final : public Operator1<TrapId> {
783
    TrapIfOperator()
784
        : Operator1<TrapId>(                             // --
785 786 787 788 789 790
              IrOpcode::kTrapIf,                         // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "TrapIf",                                  // name
              1, 1, 1, 0, 0, 1,                          // counts
              trap_id) {}                                // parameter
  };
791 792
#define CACHED_TRAP_IF(Trap) \
  TrapIfOperator<TrapId::k##Trap> kTrapIf##Trap##Operator;
793 794 795
  CACHED_TRAP_IF_LIST(CACHED_TRAP_IF)
#undef CACHED_TRAP_IF

796 797
  template <TrapId trap_id>
  struct TrapUnlessOperator final : public Operator1<TrapId> {
798
    TrapUnlessOperator()
799
        : Operator1<TrapId>(                             // --
800 801 802 803 804 805
              IrOpcode::kTrapUnless,                     // opcode
              Operator::kFoldable | Operator::kNoThrow,  // properties
              "TrapUnless",                              // name
              1, 1, 1, 0, 0, 1,                          // counts
              trap_id) {}                                // parameter
  };
806 807
#define CACHED_TRAP_UNLESS(Trap) \
  TrapUnlessOperator<TrapId::k##Trap> kTrapUnless##Trap##Operator;
808 809 810
  CACHED_TRAP_UNLESS_LIST(CACHED_TRAP_UNLESS)
#undef CACHED_TRAP_UNLESS

811 812
  template <MachineRepresentation kRep, int kInputCount>
  struct PhiOperator final : public Operator1<MachineRepresentation> {
813
    PhiOperator()
814
        : Operator1<MachineRepresentation>(     //--
815 816 817
              IrOpcode::kPhi, Operator::kPure,  // opcode
              "Phi",                            // name
              kInputCount, 0, 1, 1, 0, 0,       // counts
818
              kRep) {}                          // parameter
819
  };
820 821 822
#define CACHED_PHI(rep, input_count)                   \
  PhiOperator<MachineRepresentation::rep, input_count> \
      kPhi##rep##input_count##Operator;
823 824 825
  CACHED_PHI_LIST(CACHED_PHI)
#undef CACHED_PHI

826 827 828 829 830 831 832 833 834 835 836 837 838 839
  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

840
  template <int kIndex>
841
  struct ParameterOperator final : public Operator1<ParameterInfo> {
842
    ParameterOperator()
843
        : Operator1<ParameterInfo>(                   // --
844 845 846
              IrOpcode::kParameter, Operator::kPure,  // opcode
              "Parameter",                            // name
              1, 0, 0, 1, 0, 0,                       // counts,
847
              ParameterInfo(kIndex, nullptr)) {}      // parameter and name
848 849 850 851 852
  };
#define CACHED_PARAMETER(index) \
  ParameterOperator<index> kParameter##index##Operator;
  CACHED_PARAMETER_LIST(CACHED_PARAMETER)
#undef CACHED_PARAMETER
853 854

  template <size_t kIndex>
855
  struct ProjectionOperator final : public Operator1<size_t> {
856
    ProjectionOperator()
857 858 859 860
        : Operator1<size_t>(          // --
              IrOpcode::kProjection,  // opcode
              Operator::kPure,        // flags
              "Projection",           // name
861
              1, 0, 1, 1, 0, 0,       // counts,
862
              kIndex) {}              // parameter
863 864 865 866 867 868 869
  };
#define CACHED_PROJECTION(index) \
  ProjectionOperator<index> kProjection##index##Operator;
  CACHED_PROJECTION_LIST(CACHED_PROJECTION)
#undef CACHED_PROJECTION

  template <int kInputCount>
870
  struct StateValuesOperator final : public Operator1<SparseInputMask> {
871
    StateValuesOperator()
872 873 874 875 876 877
        : Operator1<SparseInputMask>(       // --
              IrOpcode::kStateValues,       // opcode
              Operator::kPure,              // flags
              "StateValues",                // name
              kInputCount, 0, 0, 1, 0, 0,   // counts
              SparseInputMask::Dense()) {}  // parameter
878 879 880 881 882
  };
#define CACHED_STATE_VALUES(input_count) \
  StateValuesOperator<input_count> kStateValues##input_count##Operator;
  CACHED_STATE_VALUES_LIST(CACHED_STATE_VALUES)
#undef CACHED_STATE_VALUES
883 884
};

885 886
namespace {
DEFINE_LAZY_LEAKY_OBJECT_GETTER(CommonOperatorGlobalCache,
887
                                GetCommonOperatorGlobalCache)
888
}
889 890

CommonOperatorBuilder::CommonOperatorBuilder(Zone* zone)
891
    : cache_(*GetCommonOperatorGlobalCache()), zone_(zone) {}
892

893 894 895 896 897
#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;                                        \
898
  }
899
COMMON_CACHED_OP_LIST(CACHED)
900
#undef CACHED
901 902


903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919
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.
  return new (zone()) Operator(             //--
      IrOpcode::kEnd, Operator::kKontrol,   // opcode
      "End",                                // name
      0, 0, control_input_count, 0, 0, 0);  // counts
}

920 921 922 923 924 925 926 927 928 929 930 931 932 933
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.
  return new (zone()) Operator(               //--
      IrOpcode::kReturn, Operator::kNoThrow,  // opcode
      "Return",                               // name
934
      value_input_count + 1, 1, 1, 0, 0, 1);  // counts
935 936
}

937
const Operator* CommonOperatorBuilder::Branch(BranchHint hint,
938 939 940 941 942
                                              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;  \
943
  }
944 945
  CACHED_BRANCH_LIST(CACHED_BRANCH)
#undef CACHED_BRANCH
946
  UNREACHABLE();
947 948
}

949 950
const Operator* CommonOperatorBuilder::Deoptimize(
    DeoptimizeKind kind, DeoptimizeReason reason,
951
    FeedbackSource const& feedback) {
952 953 954 955
#define CACHED_DEOPTIMIZE(Kind, Reason)                               \
  if (kind == DeoptimizeKind::k##Kind &&                              \
      reason == DeoptimizeReason::k##Reason && !feedback.IsValid()) { \
    return &cache_.kDeoptimize##Kind##Reason##Operator;               \
956 957 958 959
  }
  CACHED_DEOPTIMIZE_LIST(CACHED_DEOPTIMIZE)
#undef CACHED_DEOPTIMIZE
  // Uncached
960 961
  DeoptimizeParameters parameter(kind, reason, feedback,
                                 IsSafetyCheck::kNoSafetyCheck);
962 963 964 965 966 967 968
  return new (zone()) Operator1<DeoptimizeParameters>(  // --
      IrOpcode::kDeoptimize,                            // opcodes
      Operator::kFoldable | Operator::kNoThrow,         // properties
      "Deoptimize",                                     // name
      1, 1, 1, 0, 0, 1,                                 // counts
      parameter);                                       // parameter
}
969

970 971
const Operator* CommonOperatorBuilder::DeoptimizeIf(
    DeoptimizeKind kind, DeoptimizeReason reason,
972
    FeedbackSource const& feedback, IsSafetyCheck is_safety_check) {
973 974 975 976 977
#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;           \
978
  }
979 980
  CACHED_DEOPTIMIZE_IF_LIST(CACHED_DEOPTIMIZE_IF)
#undef CACHED_DEOPTIMIZE_IF
981
  // Uncached
982
  DeoptimizeParameters parameter(kind, reason, feedback, is_safety_check);
983 984 985 986 987 988
  return new (zone()) Operator1<DeoptimizeParameters>(  // --
      IrOpcode::kDeoptimizeIf,                          // opcode
      Operator::kFoldable | Operator::kNoThrow,         // properties
      "DeoptimizeIf",                                   // name
      2, 1, 1, 0, 1, 1,                                 // counts
      parameter);                                       // parameter
989 990
}

991
const Operator* CommonOperatorBuilder::DeoptimizeUnless(
992
    DeoptimizeKind kind, DeoptimizeReason reason,
993
    FeedbackSource const& feedback, IsSafetyCheck is_safety_check) {
994 995 996 997 998
#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;       \
999
  }
1000 1001
  CACHED_DEOPTIMIZE_UNLESS_LIST(CACHED_DEOPTIMIZE_UNLESS)
#undef CACHED_DEOPTIMIZE_UNLESS
1002
  // Uncached
1003
  DeoptimizeParameters parameter(kind, reason, feedback, is_safety_check);
1004 1005 1006 1007 1008 1009
  return new (zone()) Operator1<DeoptimizeParameters>(  // --
      IrOpcode::kDeoptimizeUnless,                      // opcode
      Operator::kFoldable | Operator::kNoThrow,         // properties
      "DeoptimizeUnless",                               // name
      2, 1, 1, 0, 1, 1,                                 // counts
      parameter);                                       // parameter
1010
}
1011

1012
const Operator* CommonOperatorBuilder::TrapIf(TrapId trap_id) {
1013
  switch (trap_id) {
1014 1015
#define CACHED_TRAP_IF(Trap) \
  case TrapId::k##Trap:      \
1016 1017 1018 1019 1020 1021 1022
    return &cache_.kTrapIf##Trap##Operator;
    CACHED_TRAP_IF_LIST(CACHED_TRAP_IF)
#undef CACHED_TRAP_IF
    default:
      break;
  }
  // Uncached
1023
  return new (zone()) Operator1<TrapId>(         // --
1024 1025 1026 1027 1028 1029 1030
      IrOpcode::kTrapIf,                         // opcode
      Operator::kFoldable | Operator::kNoThrow,  // properties
      "TrapIf",                                  // name
      1, 1, 1, 0, 0, 1,                          // counts
      trap_id);                                  // parameter
}

1031
const Operator* CommonOperatorBuilder::TrapUnless(TrapId trap_id) {
1032
  switch (trap_id) {
1033 1034
#define CACHED_TRAP_UNLESS(Trap) \
  case TrapId::k##Trap:          \
1035 1036 1037 1038 1039 1040 1041
    return &cache_.kTrapUnless##Trap##Operator;
    CACHED_TRAP_UNLESS_LIST(CACHED_TRAP_UNLESS)
#undef CACHED_TRAP_UNLESS
    default:
      break;
  }
  // Uncached
1042
  return new (zone()) Operator1<TrapId>(         // --
1043 1044 1045 1046 1047 1048
      IrOpcode::kTrapUnless,                     // opcode
      Operator::kFoldable | Operator::kNoThrow,  // properties
      "TrapUnless",                              // name
      1, 1, 1, 0, 0, 1,                          // counts
      trap_id);                                  // parameter
}
1049

1050
const Operator* CommonOperatorBuilder::Switch(size_t control_output_count) {
1051 1052 1053 1054
  return new (zone()) Operator(               // --
      IrOpcode::kSwitch, Operator::kKontrol,  // opcode
      "Switch",                               // name
      1, 0, 1, 0, 0, control_output_count);   // counts
1055 1056
}

1057
const Operator* CommonOperatorBuilder::IfValue(int32_t index,
1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
                                               int32_t comparison_order,
                                               BranchHint hint) {
  return new (zone()) Operator1<IfValueParameters>(       // --
      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) {
  return new (zone()) Operator1<BranchHint>(     // --
      IrOpcode::kIfDefault, Operator::kKontrol,  // opcode
      "IfDefault",                               // name
      0, 0, 1, 0, 0, 1,                          // counts
      hint);                                     // parameter
1073 1074
}

1075
const Operator* CommonOperatorBuilder::Start(int value_output_count) {
1076 1077 1078 1079
  return new (zone()) Operator(                                    // --
      IrOpcode::kStart, Operator::kFoldable | Operator::kNoThrow,  // opcode
      "Start",                                                     // name
      0, 0, 0, value_output_count, 1, 1);                          // counts
1080 1081 1082
}


1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093
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.
1094 1095 1096 1097
  return new (zone()) Operator(             // --
      IrOpcode::kLoop, Operator::kKontrol,  // opcode
      "Loop",                               // name
      0, 0, control_input_count, 0, 0, 1);  // counts
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111
}


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.
1112 1113 1114 1115
  return new (zone()) Operator(              // --
      IrOpcode::kMerge, Operator::kKontrol,  // opcode
      "Merge",                               // name
      0, 0, control_input_count, 0, 0, 1);   // counts
1116 1117 1118
}


1119 1120 1121 1122
const Operator* CommonOperatorBuilder::Parameter(int index,
                                                 const char* debug_name) {
  if (!debug_name) {
    switch (index) {
1123 1124 1125
#define CACHED_PARAMETER(index) \
  case index:                   \
    return &cache_.kParameter##index##Operator;
1126
      CACHED_PARAMETER_LIST(CACHED_PARAMETER)
1127
#undef CACHED_PARAMETER
1128 1129 1130
      default:
        break;
    }
1131 1132
  }
  // Uncached.
1133 1134 1135 1136 1137
  return new (zone()) Operator1<ParameterInfo>(  // --
      IrOpcode::kParameter, Operator::kPure,     // opcode
      "Parameter",                               // name
      1, 0, 0, 1, 0, 0,                          // counts
      ParameterInfo(index, debug_name));         // parameter info
1138 1139
}

1140
const Operator* CommonOperatorBuilder::OsrValue(int index) {
1141 1142 1143 1144 1145
  return new (zone()) Operator1<int>(                // --
      IrOpcode::kOsrValue, Operator::kNoProperties,  // opcode
      "OsrValue",                                    // name
      0, 0, 1, 1, 0, 0,                              // counts
      index);                                        // parameter
1146 1147
}

1148
const Operator* CommonOperatorBuilder::Int32Constant(int32_t value) {
1149 1150 1151 1152 1153
  return new (zone()) Operator1<int32_t>(         // --
      IrOpcode::kInt32Constant, Operator::kPure,  // opcode
      "Int32Constant",                            // name
      0, 0, 0, 1, 0, 0,                           // counts
      value);                                     // parameter
1154 1155 1156 1157
}


const Operator* CommonOperatorBuilder::Int64Constant(int64_t value) {
1158 1159 1160 1161 1162
  return new (zone()) Operator1<int64_t>(         // --
      IrOpcode::kInt64Constant, Operator::kPure,  // opcode
      "Int64Constant",                            // name
      0, 0, 0, 1, 0, 0,                           // counts
      value);                                     // parameter
1163 1164 1165
}


1166
const Operator* CommonOperatorBuilder::Float32Constant(volatile float value) {
1167 1168 1169 1170 1171
  return new (zone()) Operator1<float>(             // --
      IrOpcode::kFloat32Constant, Operator::kPure,  // opcode
      "Float32Constant",                            // name
      0, 0, 0, 1, 0, 0,                             // counts
      value);                                       // parameter
1172 1173 1174
}


1175
const Operator* CommonOperatorBuilder::Float64Constant(volatile double value) {
1176 1177 1178 1179 1180
  return new (zone()) Operator1<double>(            // --
      IrOpcode::kFloat64Constant, Operator::kPure,  // opcode
      "Float64Constant",                            // name
      0, 0, 0, 1, 0, 0,                             // counts
      value);                                       // parameter
1181 1182 1183 1184 1185
}


const Operator* CommonOperatorBuilder::ExternalConstant(
    const ExternalReference& value) {
1186 1187 1188 1189 1190
  return new (zone()) Operator1<ExternalReference>(  // --
      IrOpcode::kExternalConstant, Operator::kPure,  // opcode
      "ExternalConstant",                            // name
      0, 0, 0, 1, 0, 0,                              // counts
      value);                                        // parameter
1191 1192 1193 1194
}


const Operator* CommonOperatorBuilder::NumberConstant(volatile double value) {
1195 1196 1197 1198 1199
  return new (zone()) Operator1<double>(           // --
      IrOpcode::kNumberConstant, Operator::kPure,  // opcode
      "NumberConstant",                            // name
      0, 0, 0, 1, 0, 0,                            // counts
      value);                                      // parameter
1200 1201
}

1202 1203 1204 1205 1206 1207 1208
const Operator* CommonOperatorBuilder::PointerConstant(intptr_t value) {
  return new (zone()) Operator1<intptr_t>(          // --
      IrOpcode::kPointerConstant, Operator::kPure,  // opcode
      "PointerConstant",                            // name
      0, 0, 0, 1, 0, 0,                             // counts
      value);                                       // parameter
}
1209 1210

const Operator* CommonOperatorBuilder::HeapConstant(
1211
    const Handle<HeapObject>& value) {
1212 1213 1214 1215 1216
  return new (zone()) Operator1<Handle<HeapObject>>(  // --
      IrOpcode::kHeapConstant, Operator::kPure,       // opcode
      "HeapConstant",                                 // name
      0, 0, 0, 1, 0, 0,                               // counts
      value);                                         // parameter
1217 1218
}

1219 1220 1221 1222 1223 1224 1225 1226 1227
const Operator* CommonOperatorBuilder::CompressedHeapConstant(
    const Handle<HeapObject>& value) {
  return new (zone()) Operator1<Handle<HeapObject>>(       // --
      IrOpcode::kCompressedHeapConstant, Operator::kPure,  // opcode
      "CompressedHeapConstant",                            // name
      0, 0, 0, 1, 0, 0,                                    // counts
      value);                                              // parameter
}

1228
Handle<HeapObject> HeapConstantOf(const Operator* op) {
1229 1230
  DCHECK(IrOpcode::kHeapConstant == op->opcode() ||
         IrOpcode::kCompressedHeapConstant == op->opcode());
1231 1232 1233
  return OpParameter<Handle<HeapObject>>(op);
}

1234 1235 1236 1237 1238
const StringConstantBase* StringConstantBaseOf(const Operator* op) {
  DCHECK_EQ(IrOpcode::kDelayedStringConstant, op->opcode());
  return OpParameter<const StringConstantBase*>(op);
}

1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249
const Operator* CommonOperatorBuilder::RelocatableInt32Constant(
    int32_t value, RelocInfo::Mode rmode) {
  return new (zone()) Operator1<RelocatablePtrConstantInfo>(  // --
      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) {
1250 1251 1252 1253 1254
  return new (zone()) Operator1<RelocatablePtrConstantInfo>(  // --
      IrOpcode::kRelocatableInt64Constant, Operator::kPure,   // opcode
      "RelocatableInt64Constant",                             // name
      0, 0, 0, 1, 0, 0,                                       // counts
      RelocatablePtrConstantInfo(value, rmode));              // parameter
1255
}
1256

1257 1258 1259 1260 1261 1262 1263 1264
const Operator* CommonOperatorBuilder::ObjectId(uint32_t object_id) {
  return new (zone()) Operator1<uint32_t>(   // --
      IrOpcode::kObjectId, Operator::kPure,  // opcode
      "ObjectId",                            // name
      0, 0, 0, 1, 0, 0,                      // counts
      object_id);                            // parameter
}

1265
const Operator* CommonOperatorBuilder::Select(MachineRepresentation rep,
1266
                                              BranchHint hint) {
1267 1268 1269 1270
  return new (zone()) Operator1<SelectParameters>(  // --
      IrOpcode::kSelect, Operator::kPure,           // opcode
      "Select",                                     // name
      3, 0, 0, 1, 0, 0,                             // counts
1271
      SelectParameters(rep, hint));                 // parameter
1272 1273 1274
}


1275
const Operator* CommonOperatorBuilder::Phi(MachineRepresentation rep,
1276
                                           int value_input_count) {
1277
  DCHECK_LT(0, value_input_count);  // Disallow empty phis.
1278 1279 1280 1281
#define CACHED_PHI(kRep, kValueInputCount)                 \
  if (MachineRepresentation::kRep == rep &&                \
      kValueInputCount == value_input_count) {             \
    return &cache_.kPhi##kRep##kValueInputCount##Operator; \
1282 1283 1284 1285
  }
  CACHED_PHI_LIST(CACHED_PHI)
#undef CACHED_PHI
  // Uncached.
1286 1287 1288 1289 1290
  return new (zone()) Operator1<MachineRepresentation>(  // --
      IrOpcode::kPhi, Operator::kPure,                   // opcode
      "Phi",                                             // name
      value_input_count, 0, 1, 1, 0, 0,                  // counts
      rep);                                              // parameter
1291 1292
}

1293 1294
const Operator* CommonOperatorBuilder::TypeGuard(Type type) {
  return new (zone()) Operator1<Type>(        // --
1295 1296
      IrOpcode::kTypeGuard, Operator::kPure,  // opcode
      "TypeGuard",                            // name
1297
      1, 1, 1, 1, 1, 0,                       // counts
1298 1299
      type);                                  // parameter
}
1300

1301
const Operator* CommonOperatorBuilder::EffectPhi(int effect_input_count) {
1302
  DCHECK_LT(0, effect_input_count);  // Disallow empty effect phis.
1303 1304 1305 1306 1307 1308 1309 1310 1311 1312
  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.
1313 1314 1315 1316
  return new (zone()) Operator(                  // --
      IrOpcode::kEffectPhi, Operator::kKontrol,  // opcode
      "EffectPhi",                               // name
      0, effect_input_count, 1, 0, 1, 0);        // counts
1317 1318
}

1319
const Operator* CommonOperatorBuilder::InductionVariablePhi(int input_count) {
1320 1321
  DCHECK_LE(4, input_count);  // There must be always the entry, backedge,
                              // increment and at least one bound.
1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337
  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.
  return new (zone()) Operator(                          // --
      IrOpcode::kInductionVariablePhi, Operator::kPure,  // opcode
      "InductionVariablePhi",                            // name
      input_count, 0, 1, 1, 0, 0);                       // counts
}

1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
const Operator* CommonOperatorBuilder::BeginRegion(
    RegionObservability region_observability) {
  switch (region_observability) {
    case RegionObservability::kObservable:
      return &cache_.kBeginRegionObservableOperator;
    case RegionObservability::kNotObservable:
      return &cache_.kBeginRegionNotObservableOperator;
  }
  UNREACHABLE();
}
1348

1349 1350 1351 1352
const Operator* CommonOperatorBuilder::StateValues(int arguments,
                                                   SparseInputMask bitmask) {
  if (bitmask.IsDense()) {
    switch (arguments) {
1353 1354 1355
#define CACHED_STATE_VALUES(arguments) \
  case arguments:                      \
    return &cache_.kStateValues##arguments##Operator;
1356
      CACHED_STATE_VALUES_LIST(CACHED_STATE_VALUES)
1357
#undef CACHED_STATE_VALUES
1358 1359 1360
      default:
        break;
    }
1361
  }
1362 1363 1364 1365 1366

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

1367
  // Uncached.
1368 1369 1370 1371 1372
  return new (zone()) Operator1<SparseInputMask>(  // --
      IrOpcode::kStateValues, Operator::kPure,     // opcode
      "StateValues",                               // name
      arguments, 0, 0, 1, 0, 0,                    // counts
      bitmask);                                    // parameter
1373 1374
}

1375
const Operator* CommonOperatorBuilder::TypedStateValues(
1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386
    const ZoneVector<MachineType>* types, SparseInputMask bitmask) {
#if DEBUG
  DCHECK(bitmask.IsDense() ||
         bitmask.CountReal() == static_cast<int>(types->size()));
#endif

  return new (zone()) Operator1<TypedStateValueInfo>(  // --
      IrOpcode::kTypedStateValues, Operator::kPure,    // opcode
      "TypedStateValues",                              // name
      static_cast<int>(types->size()), 0, 0, 1, 0, 0,  // counts
      TypedStateValueInfo(types, bitmask));            // parameters
1387
}
1388

1389 1390 1391
const Operator* CommonOperatorBuilder::ArgumentsElementsState(
    ArgumentsStateType type) {
  return new (zone()) Operator1<ArgumentsStateType>(       // --
1392 1393
      IrOpcode::kArgumentsElementsState, Operator::kPure,  // opcode
      "ArgumentsElementsState",                            // name
1394 1395
      0, 0, 0, 1, 0, 0,                                    // counts
      type);                                               // parameter
1396 1397
}

1398 1399 1400
const Operator* CommonOperatorBuilder::ArgumentsLengthState(
    ArgumentsStateType type) {
  return new (zone()) Operator1<ArgumentsStateType>(     // --
1401 1402
      IrOpcode::kArgumentsLengthState, Operator::kPure,  // opcode
      "ArgumentsLengthState",                            // name
1403 1404
      0, 0, 0, 1, 0, 0,                                  // counts
      type);                                             // parameter
1405 1406
}

1407
ArgumentsStateType ArgumentsStateTypeOf(Operator const* op) {
1408 1409
  DCHECK(op->opcode() == IrOpcode::kArgumentsElementsState ||
         op->opcode() == IrOpcode::kArgumentsLengthState);
1410
  return OpParameter<ArgumentsStateType>(op);
1411 1412
}

1413
const Operator* CommonOperatorBuilder::ObjectState(uint32_t object_id,
1414 1415 1416 1417 1418 1419
                                                   int pointer_slots) {
  return new (zone()) Operator1<ObjectStateInfo>(  // --
      IrOpcode::kObjectState, Operator::kPure,     // opcode
      "ObjectState",                               // name
      pointer_slots, 0, 0, 1, 0, 0,                // counts
      ObjectStateInfo{object_id, pointer_slots});  // parameter
1420 1421
}

1422
const Operator* CommonOperatorBuilder::TypedObjectState(
1423
    uint32_t object_id, const ZoneVector<MachineType>* types) {
1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441
  return new (zone()) Operator1<TypedObjectStateInfo>(  // --
      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();
  }
1442 1443
}

1444 1445 1446 1447 1448
MachineRepresentation DeadValueRepresentationOf(Operator const* op) {
  DCHECK_EQ(IrOpcode::kDeadValue, op->opcode());
  return OpParameter<MachineRepresentation>(op);
}

1449
const Operator* CommonOperatorBuilder::FrameState(
1450 1451 1452 1453 1454 1455 1456 1457
    BailoutId bailout_id, OutputFrameStateCombine state_combine,
    const FrameStateFunctionInfo* function_info) {
  FrameStateInfo state_info(bailout_id, state_combine, function_info);
  return new (zone()) Operator1<FrameStateInfo>(  // --
      IrOpcode::kFrameState, Operator::kPure,     // opcode
      "FrameState",                               // name
      5, 0, 0, 1, 0, 0,                           // counts
      state_info);                                // parameter
1458 1459
}

1460 1461
const Operator* CommonOperatorBuilder::Call(
    const CallDescriptor* call_descriptor) {
1462
  class CallOperator final : public Operator1<const CallDescriptor*> {
1463
   public:
1464
    explicit CallOperator(const CallDescriptor* call_descriptor)
1465
        : Operator1<const CallDescriptor*>(
1466 1467 1468 1469 1470 1471 1472 1473 1474
              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) {}
1475

1476 1477
    void PrintParameter(std::ostream& os,
                        PrintVerbosity verbose) const override {
1478 1479 1480
      os << "[" << *parameter() << "]";
    }
  };
1481
  return new (zone()) CallOperator(call_descriptor);
1482
}
1483 1484

const Operator* CommonOperatorBuilder::TailCall(
1485
    const CallDescriptor* call_descriptor) {
1486 1487
  class TailCallOperator final : public Operator1<const CallDescriptor*> {
   public:
1488
    explicit TailCallOperator(const CallDescriptor* call_descriptor)
1489
        : Operator1<const CallDescriptor*>(
1490
              IrOpcode::kTailCall,
1491 1492 1493 1494
              call_descriptor->properties() | Operator::kNoThrow, "TailCall",
              call_descriptor->InputCount() +
                  call_descriptor->FrameStateCount(),
              1, 1, 0, 0, 1, call_descriptor) {}
1495

1496 1497
    void PrintParameter(std::ostream& os,
                        PrintVerbosity verbose) const override {
1498 1499 1500
      os << "[" << *parameter() << "]";
    }
  };
1501
  return new (zone()) TailCallOperator(call_descriptor);
1502 1503 1504
}

const Operator* CommonOperatorBuilder::Projection(size_t index) {
1505 1506 1507 1508 1509 1510 1511 1512 1513 1514
  switch (index) {
#define CACHED_PROJECTION(index) \
  case index:                    \
    return &cache_.kProjection##index##Operator;
    CACHED_PROJECTION_LIST(CACHED_PROJECTION)
#undef CACHED_PROJECTION
    default:
      break;
  }
  // Uncached.
1515 1516 1517 1518 1519 1520
  return new (zone()) Operator1<size_t>(  // --
      IrOpcode::kProjection,              // opcode
      Operator::kPure,                    // flags
      "Projection",                       // name
      1, 0, 1, 1, 0, 0,                   // counts
      index);                             // parameter
1521 1522
}

1523 1524 1525 1526

const Operator* CommonOperatorBuilder::ResizeMergeOrPhi(const Operator* op,
                                                        int size) {
  if (op->opcode() == IrOpcode::kPhi) {
1527
    return Phi(PhiRepresentationOf(op), size);
1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538
  } 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();
  }
}

1539 1540 1541
const FrameStateFunctionInfo*
CommonOperatorBuilder::CreateFrameStateFunctionInfo(
    FrameStateType type, int parameter_count, int local_count,
1542
    Handle<SharedFunctionInfo> shared_info) {
1543
  return new (zone()->New(sizeof(FrameStateFunctionInfo)))
1544
      FrameStateFunctionInfo(type, parameter_count, local_count, shared_info);
1545 1546
}

1547 1548 1549 1550 1551 1552 1553 1554
const Operator* CommonOperatorBuilder::DeadValue(MachineRepresentation rep) {
  return new (zone()) Operator1<MachineRepresentation>(  // --
      IrOpcode::kDeadValue, Operator::kPure,             // opcode
      "DeadValue",                                       // name
      1, 0, 0, 1, 0, 0,                                  // counts
      rep);                                              // parameter
}

1555 1556 1557 1558 1559
const FrameStateInfo& FrameStateInfoOf(const Operator* op) {
  DCHECK_EQ(IrOpcode::kFrameState, op->opcode());
  return OpParameter<FrameStateInfo>(op);
}

1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570
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;
}

1571
#undef COMMON_CACHED_OP_LIST
1572
#undef CACHED_BRANCH_LIST
1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588
#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

1589 1590 1591
}  // namespace compiler
}  // namespace internal
}  // namespace v8