dart::LoadLocalInstr Class Reference

#include <il.h>

Inheritance diagram for dart::LoadLocalInstr:

Public Member Functions
	LoadLocalInstr (const LocalVariable &local, const InstructionSource &source)
virtual CompileType	ComputeType () const
const LocalVariable &	local () const
virtual bool	ComputeCanDeoptimize () const
virtual bool	HasUnknownSideEffects () const
void	mark_last ()
bool	is_last () const
virtual TokenPosition	token_pos () const
Public Member Functions inherited from dart::TemplateDefinition< 0, NoThrow >
	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< 0, NoThrow >
using	BaseClass = typename NoCSE< Definition, PureDefinition >::Base
Protected Attributes inherited from dart::TemplateDefinition< 0, NoThrow >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 5754 of file il.h.

Constructor & Destructor Documentation

LoadLocalInstr()

dart::LoadLocalInstr::LoadLocalInstr ( const LocalVariable &  local, const InstructionSource &  source  )

inline

Definition at line 5756 of file il.h.

      : TemplateDefinition(source),
        local_(local),
        is_last_(false),
        token_pos_(source.token_pos) {}

Member Function Documentation

ComputeCanDeoptimize()

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

inlinevirtual

Definition at line 5767 of file il.h.

{ return false; }

ComputeType()

CompileType dart::LoadLocalInstr::ComputeType ( ) const

virtual

Definition at line 1614 of file type_propagator.cc.

                                              {
  if (local().needs_covariant_check_in_method()) {
    // We may not yet have checked the actual type of the parameter value.
    // Assuming that the value has the required type can lead to unsound
    // optimizations. See dartbug.com/43464.
    return CompileType::Dynamic();
  }
  return *local().inferred_type();
}

HasUnknownSideEffects()

virtual bool dart::LoadLocalInstr::HasUnknownSideEffects ( ) const

inlinevirtual

Definition at line 5769 of file il.h.

                                             {
    UNREACHABLE();  // Eliminated by SSA construction.
    return false;
  }

is_last()

bool dart::LoadLocalInstr::is_last ( ) const

inline

Definition at line 5775 of file il.h.

{ return is_last_; }

local()

const LocalVariable & dart::LoadLocalInstr::local ( ) const

inline

Definition at line 5765 of file il.h.

{ return local_; }

mark_last()

void dart::LoadLocalInstr::mark_last ( )

inline

Definition at line 5774 of file il.h.

{ is_last_ = true; }

token_pos()

virtual TokenPosition dart::LoadLocalInstr::token_pos ( ) const

inlinevirtual

Definition at line 5777 of file il.h.

{ return token_pos_; }

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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/type_propagator.cc