v8::internal::compiler::OperatorProperties Class Reference

#include <operator-properties.h>

Collaboration diagram for v8::internal::compiler::OperatorProperties:

Static Public Member Functions
static bool	HasValueInput (const Operator *op)
static bool	HasContextInput (const Operator *op)
static bool	HasEffectInput (const Operator *op)
static bool	HasControlInput (const Operator *op)
static bool	HasFrameStateInput (const Operator *op)
static int	GetValueInputCount (const Operator *op)
static int	GetContextInputCount (const Operator *op)
static int	GetEffectInputCount (const Operator *op)
static int	GetControlInputCount (const Operator *op)
static int	GetFrameStateInputCount (const Operator *op)
static int	GetTotalInputCount (const Operator *op)
static bool	HasValueOutput (const Operator *op)
static bool	HasEffectOutput (const Operator *op)
static bool	HasControlOutput (const Operator *op)
static int	GetValueOutputCount (const Operator *op)
static int	GetEffectOutputCount (const Operator *op)
static int	GetControlOutputCount (const Operator *op)
static bool	IsBasicBlockBegin (const Operator *op)

Detailed Description

Definition at line 14 of file operator-properties.h.

Member Function Documentation

GetContextInputCount()

int v8::internal::compiler::OperatorProperties::GetContextInputCount ( const Operator *  op )

inlinestatic

Definition at line 91 of file operator-properties-inl.h.

                                                                      {
  return OperatorProperties::HasContextInput(op) ? 1 : 0;
}

References HasContextInput().

Referenced by v8::internal::compiler::GraphVisualizer::AnnotateNode(), GetTotalInputCount(), v8::internal::compiler::NodeProperties::IsContextEdge(), v8::internal::compiler::NodeProperties::PastContextIndex(), v8::internal::compiler::Verifier::Visitor::Pre(), and v8::internal::compiler::RepresentationSelector::VisitInputs().

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GetControlInputCount()

int v8::internal::compiler::OperatorProperties::GetControlInputCount ( const Operator *  op )

inlinestatic

Definition at line 109 of file operator-properties-inl.h.

                                                                      {
  switch (op->opcode()) {
    case IrOpcode::kPhi:
    case IrOpcode::kEffectPhi:
    case IrOpcode::kControlEffect:
      return 1;
#define OPCODE_CASE(x) case IrOpcode::k##x:
      CONTROL_OP_LIST(OPCODE_CASE)
#undef OPCODE_CASE
      // Control operators are Operator1<int>.
      return OpParameter<int>(op);
    default:
      // Operators that have write effects must have a control
      // dependency. Effect dependencies only ensure the correct order of
      // write/read operations without consideration of control flow. Without an
      // explicit control dependency writes can be float in the schedule too
      // early along a path that shouldn't generate a side-effect.
      return op->HasProperty(Operator::kNoWrite) ? 0 : 1;
  }
  return 0;
}

References CONTROL_OP_LIST, v8::internal::compiler::Operator::HasProperty(), v8::internal::compiler::Operator::kNoWrite, v8::internal::compiler::Operator::opcode(), and OPCODE_CASE.

Referenced by v8::internal::compiler::GraphVisualizer::AnnotateNode(), v8::internal::compiler::JSBinopReduction::ChangeToPureOperator(), v8::internal::compiler::GetControlCluster(), v8::internal::compiler::NodeProperties::GetControlInput(), GetTotalInputCount(), HasControlInput(), v8::internal::compiler::NodeProperties::IsControlEdge(), v8::internal::compiler::StructuredGraphBuilder::MakeNode(), v8::internal::compiler::StructuredGraphBuilder::MergeControl(), v8::internal::compiler::StructuredGraphBuilder::MergeEffect(), v8::internal::compiler::StructuredGraphBuilder::MergeValue(), v8::internal::compiler::NodeProperties::PastControlIndex(), v8::internal::compiler::Verifier::Visitor::Pre(), v8::internal::compiler::GraphVisualizer::PrintEdge(), v8::internal::compiler::TEST_P(), v8::internal::compiler::Inlinee::UnifyReturn(), and v8::internal::compiler::RepresentationSelector::VisitInputs().

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GetControlOutputCount()

int v8::internal::compiler::OperatorProperties::GetControlOutputCount ( const Operator *  op )

inlinestatic

Definition at line 165 of file operator-properties-inl.h.

                                                                         {
  return node->opcode() == IrOpcode::kBranch ? 2 : HasControlOutput(node) ? 1
                                                                          : 0;
}

References HasControlOutput(), and v8::internal::compiler::Operator::opcode().

Referenced by v8::internal::compiler::TEST_F(), and v8::internal::compiler::TEST_P().

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GetEffectInputCount()

int v8::internal::compiler::OperatorProperties::GetEffectInputCount ( const Operator *  op )

inlinestatic

Definition at line 99 of file operator-properties-inl.h.

                                                                     {
  if (op->opcode() == IrOpcode::kEffectPhi ||
      op->opcode() == IrOpcode::kFinish) {
    return OpParameter<int>(op);
  }
  if (op->HasProperty(Operator::kNoRead) && op->HasProperty(Operator::kNoWrite))
    return 0;  // no effects.
  return 1;
}

References v8::internal::compiler::Operator::HasProperty(), v8::internal::compiler::Operator::kNoRead, v8::internal::compiler::Operator::kNoWrite, and v8::internal::compiler::Operator::opcode().

Referenced by v8::internal::compiler::GraphVisualizer::AnnotateNode(), v8::internal::compiler::JSBinopReduction::ChangeToPureOperator(), v8::internal::compiler::NodeProperties::GetEffectInput(), GetTotalInputCount(), HasEffectInput(), HasEffectOutput(), v8::internal::compiler::NodeProperties::IsEffectEdge(), v8::internal::compiler::StructuredGraphBuilder::MakeNode(), v8::internal::compiler::NodeProperties::PastEffectIndex(), v8::internal::compiler::Verifier::Visitor::Pre(), v8::internal::compiler::NodeProperties::ReplaceEffectInput(), v8::internal::compiler::TEST_F(), v8::internal::compiler::TEST_P(), and v8::internal::compiler::RepresentationSelector::VisitInputs().

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GetEffectOutputCount()

int v8::internal::compiler::OperatorProperties::GetEffectOutputCount ( const Operator *  op )

inlinestatic

Definition at line 161 of file operator-properties-inl.h.

                                                                      {
  return HasEffectOutput(op) ? 1 : 0;
}

References HasEffectOutput().

Referenced by v8::internal::compiler::TEST_F(), and v8::internal::compiler::TEST_P().

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GetFrameStateInputCount()

int v8::internal::compiler::OperatorProperties::GetFrameStateInputCount ( const Operator *  op )

inlinestatic

Definition at line 95 of file operator-properties-inl.h.

                                                                         {
  return OperatorProperties::HasFrameStateInput(op) ? 1 : 0;
}

References HasFrameStateInput().

Referenced by v8::internal::compiler::GraphVisualizer::AnnotateNode(), GetTotalInputCount(), v8::internal::compiler::NodeProperties::PastFrameStateIndex(), and v8::internal::compiler::Verifier::Visitor::Pre().

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GetTotalInputCount()

int v8::internal::compiler::OperatorProperties::GetTotalInputCount ( const Operator *  op )

inlinestatic

Definition at line 131 of file operator-properties-inl.h.

                                                                    {
  return GetValueInputCount(op) + GetContextInputCount(op) +
         GetFrameStateInputCount(op) + GetEffectInputCount(op) +
         GetControlInputCount(op);
}

References GetContextInputCount(), GetControlInputCount(), GetEffectInputCount(), GetFrameStateInputCount(), and GetValueInputCount().

Referenced by v8::internal::compiler::TEST_F(), and v8::internal::compiler::TEST_P().

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GetValueInputCount()

int v8::internal::compiler::OperatorProperties::GetValueInputCount ( const Operator *  op )

inlinestatic

Definition at line 87 of file operator-properties-inl.h.

                                                                    {
  return op->InputCount();
}

References v8::internal::compiler::Operator::InputCount().

Referenced by v8::internal::compiler::GraphVisualizer::AnnotateNode(), v8::internal::compiler::JSBinopReduction::ChangeToPureOperator(), v8::internal::compiler::CheckInputsDominate(), v8::internal::compiler::JSCallFunctionAccessor::formal_arguments(), v8::internal::compiler::JSCallReduction::GetJSCallArity(), GetTotalInputCount(), v8::internal::compiler::NodeProperties::GetValueInput(), HasValueInput(), v8::internal::compiler::Inlinee::InlineAtCall(), v8::internal::compiler::NodeProperties::IsValueEdge(), v8::internal::compiler::NodeProperties::PastValueIndex(), v8::internal::compiler::Typer::RunVisitor::Post(), v8::internal::compiler::Verifier::Visitor::Pre(), v8::internal::compiler::NodeProperties::RemoveNonValueInputs(), v8::internal::compiler::ScheduleVerifier::Run(), v8::internal::compiler::TEST_F(), v8::internal::compiler::TEST_P(), v8::internal::compiler::RepresentationSelector::VisitInputs(), and v8::internal::compiler::RepresentationSelector::VisitPhi().

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GetValueOutputCount()

int v8::internal::compiler::OperatorProperties::GetValueOutputCount ( const Operator *  op )

inlinestatic

Definition at line 157 of file operator-properties-inl.h.

                                                                     {
  return op->OutputCount();
}

References v8::internal::compiler::Operator::OutputCount().

Referenced by HasValueOutput(), v8::internal::compiler::Verifier::Visitor::Pre(), v8::internal::compiler::TEST_F(), and v8::internal::compiler::TEST_P().

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HasContextInput()

bool v8::internal::compiler::OperatorProperties::HasContextInput ( const Operator *  op )

inlinestatic

Definition at line 21 of file operator-properties-inl.h.

                                                                  {
  IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
  return IrOpcode::IsJsOpcode(opcode);
}

References v8::internal::compiler::IrOpcode::IsJsOpcode(), and v8::internal::compiler::Operator::opcode().

Referenced by v8::internal::compiler::JSBinopReduction::ChangeToPureOperator(), v8::internal::compiler::NodeProperties::GetContextInput(), GetContextInputCount(), and v8::internal::compiler::StructuredGraphBuilder::MakeNode().

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HasControlInput()

bool v8::internal::compiler::OperatorProperties::HasControlInput ( const Operator *  op )

inlinestatic

Definition at line 30 of file operator-properties-inl.h.

                                                                  {
  return OperatorProperties::GetControlInputCount(op) > 0;
}

References GetControlInputCount().

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HasControlOutput()

bool v8::internal::compiler::OperatorProperties::HasControlOutput ( const Operator *  op )

inlinestatic

Definition at line 151 of file operator-properties-inl.h.

                                                                   {
  IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
  return (opcode != IrOpcode::kEnd && IrOpcode::IsControlOpcode(opcode));
}

References v8::internal::compiler::IrOpcode::IsControlOpcode(), and v8::internal::compiler::Operator::opcode().

Referenced by GetControlOutputCount(), v8::internal::compiler::StructuredGraphBuilder::MakeNode(), v8::internal::compiler::Verifier::Visitor::Pre(), and v8::internal::compiler::NodeProperties::ReplaceWithValue().

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HasEffectInput()

bool v8::internal::compiler::OperatorProperties::HasEffectInput ( const Operator *  op )

inlinestatic

Definition at line 26 of file operator-properties-inl.h.

                                                                 {
  return OperatorProperties::GetEffectInputCount(op) > 0;
}

References GetEffectInputCount().

Referenced by v8::internal::compiler::NodeProperties::ReplaceWithValue().

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HasEffectOutput()

bool v8::internal::compiler::OperatorProperties::HasEffectOutput ( const Operator *  op )

inlinestatic

Definition at line 144 of file operator-properties-inl.h.

                                                                  {
  return op->opcode() == IrOpcode::kStart ||
         op->opcode() == IrOpcode::kControlEffect ||
         op->opcode() == IrOpcode::kValueEffect ||
         (op->opcode() != IrOpcode::kFinish && GetEffectInputCount(op) > 0);
}

References GetEffectInputCount(), and v8::internal::compiler::Operator::opcode().

Referenced by GetEffectOutputCount(), and v8::internal::compiler::Verifier::Visitor::Pre().

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HasFrameStateInput()

bool v8::internal::compiler::OperatorProperties::HasFrameStateInput ( const Operator *  op )

inlinestatic

Definition at line 34 of file operator-properties-inl.h.

                                                                     {
  if (!FLAG_turbo_deoptimization) {
    return false;
  }
 
  switch (op->opcode()) {
    case IrOpcode::kFrameState:
      return true;
    case IrOpcode::kJSCallRuntime: {
      Runtime::FunctionId function = OpParameter<Runtime::FunctionId>(op);
      return Linkage::NeedsFrameState(function);
    }
 
    // Strict equality cannot lazily deoptimize.
    case IrOpcode::kJSStrictEqual:
    case IrOpcode::kJSStrictNotEqual:
      return false;
 
    // Calls
    case IrOpcode::kJSCallFunction:
    case IrOpcode::kJSCallConstruct:
 
    // Compare operations
    case IrOpcode::kJSEqual:
    case IrOpcode::kJSNotEqual:
    case IrOpcode::kJSLessThan:
    case IrOpcode::kJSGreaterThan:
    case IrOpcode::kJSLessThanOrEqual:
    case IrOpcode::kJSGreaterThanOrEqual:
 
    // Binary operations
    case IrOpcode::kJSBitwiseOr:
    case IrOpcode::kJSBitwiseXor:
    case IrOpcode::kJSBitwiseAnd:
    case IrOpcode::kJSShiftLeft:
    case IrOpcode::kJSShiftRight:
    case IrOpcode::kJSShiftRightLogical:
    case IrOpcode::kJSAdd:
    case IrOpcode::kJSSubtract:
    case IrOpcode::kJSMultiply:
    case IrOpcode::kJSDivide:
    case IrOpcode::kJSModulus:
    case IrOpcode::kJSLoadProperty:
    case IrOpcode::kJSStoreProperty:
    case IrOpcode::kJSLoadNamed:
    case IrOpcode::kJSStoreNamed:
      return true;
 
    default:
      return false;
  }
}

References v8::internal::compiler::Linkage::NeedsFrameState(), and v8::internal::compiler::Operator::opcode().

Referenced by v8::internal::compiler::FlagsForNode(), v8::internal::compiler::NodeProperties::GetFrameStateIndex(), v8::internal::compiler::NodeProperties::GetFrameStateInput(), GetFrameStateInputCount(), v8::internal::compiler::StructuredGraphBuilder::MakeNode(), v8::internal::compiler::Verifier::Visitor::Pre(), v8::internal::compiler::AstGraphBuilder::PrepareFrameState(), v8::internal::compiler::NodeProperties::ReplaceFrameStateInput(), and v8::internal::compiler::JSGenericLowering::ReplaceWithCompareIC().

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HasValueInput()

bool v8::internal::compiler::OperatorProperties::HasValueInput ( const Operator *  op )

inlinestatic

Definition at line 17 of file operator-properties-inl.h.

                                                                {
  return OperatorProperties::GetValueInputCount(op) > 0;
}

References GetValueInputCount().

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HasValueOutput()

bool v8::internal::compiler::OperatorProperties::HasValueOutput ( const Operator *  op )

inlinestatic

Definition at line 140 of file operator-properties-inl.h.

                                                                 {
  return GetValueOutputCount(op) > 0;
}

References GetValueOutputCount().

Referenced by v8::internal::compiler::Typer::Init(), v8::internal::compiler::Typer::RunVisitor::Post(), v8::internal::compiler::Typer::NarrowVisitor::Pre(), v8::internal::compiler::Typer::WidenVisitor::Pre(), and v8::internal::compiler::Verifier::Visitor::Pre().

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IsBasicBlockBegin()

bool v8::internal::compiler::OperatorProperties::IsBasicBlockBegin ( const Operator *  op )

inlinestatic

Definition at line 171 of file operator-properties-inl.h.

                                                                    {
  uint8_t opcode = op->opcode();
  return opcode == IrOpcode::kStart || opcode == IrOpcode::kEnd ||
         opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop ||
         opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue ||
         opcode == IrOpcode::kIfFalse;
}

References v8::internal::compiler::Operator::opcode().

Referenced by v8::internal::compiler::GraphVisualizer::AnnotateNode(), v8::internal::compiler::FindInsertionPoint(), v8::internal::compiler::GetControlCluster(), and v8::internal::compiler::GraphVisualizer::PrintEdge().

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/src/compiler/operator-properties.h
• /mnt/V8SourceCode/src/compiler/operator-properties-inl.h