dart::DoubleToFloatInstr Class Reference

#include <il.h>

Inheritance diagram for dart::DoubleToFloatInstr:

Public Member Functions
	DoubleToFloatInstr (Value *value, intptr_t deopt_id, SpeculativeMode speculative_mode=kGuardInputs)
Value *	value () const
virtual bool	ComputeCanDeoptimize () const
virtual Representation	representation () const
virtual Representation	RequiredInputRepresentation (intptr_t idx) const
virtual SpeculativeMode	SpeculativeModeOfInput (intptr_t index) const
virtual intptr_t	DeoptimizationTarget () const
virtual bool	AttributesEqual (const Instruction &other) const
virtual Definition *	Canonicalize (FlowGraph *flow_graph)
Public Member Functions inherited from dart::TemplateDefinition< 1, NoThrow, Pure >
	TemplateDefinition (intptr_t deopt_id=DeoptId::kNone)
	TemplateDefinition (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)
virtual intptr_t	InputCount () const
virtual Value *	InputAt (intptr_t i) const
virtual bool	MayThrow () const

Additional Inherited Members
Public Types inherited from dart::TemplateDefinition< 1, NoThrow, Pure >
using	BaseClass = typename Pure< Definition, PureDefinition >::Base
Protected Attributes inherited from dart::TemplateDefinition< 1, NoThrow, Pure >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 10081 of file il.h.

Constructor & Destructor Documentation

DoubleToFloatInstr()

dart::DoubleToFloatInstr::DoubleToFloatInstr ( Value *  value, intptr_t  deopt_id, SpeculativeMode  speculative_mode = kGuardInputs  )

inline

Definition at line 10083 of file il.h.

      : TemplateDefinition(deopt_id), speculative_mode_(speculative_mode) {
    SetInputAt(0, value);
  }

Member Function Documentation

AttributesEqual()

virtual bool dart::DoubleToFloatInstr::AttributesEqual ( const Instruction &  other ) const

inlinevirtual

Definition at line 10109 of file il.h.

{ return true; }

Canonicalize()

Definition * dart::DoubleToFloatInstr::Canonicalize ( FlowGraph *  flow_graph )

virtual

Definition at line 2177 of file il.cc.

                                                                  {
  if (!HasUses()) return nullptr;
  if (value()->definition()->IsFloatToDouble()) {
    // F2D(D2F(v)) == v.
    return value()->definition()->AsFloatToDouble()->value()->definition();
  }
  if (value()->BindsToConstant()) {
    double narrowed_val =
        static_cast<float>(Double::Cast(value()->BoundConstant()).value());
    return flow_graph->GetConstant(
        Double::ZoneHandle(Double::NewCanonical(narrowed_val)), kUnboxedFloat);
  }
  return this;
}

ComputeCanDeoptimize()

virtual bool dart::DoubleToFloatInstr::ComputeCanDeoptimize ( ) const

inlinevirtual

Definition at line 10094 of file il.h.

{ return false; }

DeoptimizationTarget()

virtual intptr_t dart::DoubleToFloatInstr::DeoptimizationTarget ( ) const

inlinevirtual

Definition at line 10107 of file il.h.

{ return GetDeoptId(); }

representation()

virtual Representation dart::DoubleToFloatInstr::representation ( ) const

inlinevirtual

Definition at line 10096 of file il.h.

{ return kUnboxedFloat; }

RequiredInputRepresentation()

virtual Representation dart::DoubleToFloatInstr::RequiredInputRepresentation ( intptr_t  idx ) const

inlinevirtual

Definition at line 10098 of file il.h.

                                                                         {
    ASSERT(idx == 0);
    return kUnboxedDouble;
  }

SpeculativeModeOfInput()

virtual SpeculativeMode dart::DoubleToFloatInstr::SpeculativeModeOfInput ( intptr_t  index ) const

inlinevirtual

Definition at line 10103 of file il.h.

                                                                       {
    return speculative_mode_;
  }

value()

Value * dart::DoubleToFloatInstr::value ( ) const

inline

Definition at line 10090 of file il.h.

{ return inputs_[0]; }

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

• third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.h
• third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.cc