Inter-procedural dead code elimination analysis. More...

#include <dead_code_eliminationIPA.hpp>

Inheritance diagram for dead_code_eliminationIPA:

Collaboration diagram for dead_code_eliminationIPA:

[legend]

Public Member Functions
	dead_code_eliminationIPA (const application_managerRef AM, const DesignFlowManagerConstRef dfm, const ParameterConstRef parameters)

	~dead_code_eliminationIPA () override

DesignFlowStep_Status	Exec () override
	Execute the step. More...

bool	HasToBeExecuted () const override
	Check if this step has actually to be executed. More...

Public Member Functions inherited from ApplicationFrontendFlowStep
	ApplicationFrontendFlowStep (const application_managerRef AppM, const FrontendFlowStepType frontend_flow_step_type, const DesignFlowManagerConstRef design_flow_manager, const ParameterConstRef parameters)
	Constructor. More...

	~ApplicationFrontendFlowStep () override
	Destructor. More...

std::string	GetSignature () const override
	Return the signature of this step. More...

std::string	GetName () const override
	Return the name of this design step. More...

Public Member Functions inherited from FrontendFlowStep
	FrontendFlowStep (const application_managerRef AppM, const FrontendFlowStepType frontend_flow_step_type, const DesignFlowManagerConstRef design_flow_manager, const ParameterConstRef parameters)
	Constructor. More...

	~FrontendFlowStep () override
	Destructor. More...

virtual std::string	GetKindText () const
	Return the name of the type of this frontend flow step. More...

DesignFlowStepFactoryConstRef	CGetDesignFlowStepFactory () const override
	Return the factory to create this type of steps. More...

void	PrintTreeManager (const bool before) const
	Dump the tree manager. More...

void	PrintInitialIR () const override
	Dump the initial intermediate representation. More...

void	PrintFinalIR () const override
	Dump the final intermediate representation. More...

Public Member Functions inherited from DesignFlowStep
	DesignFlowStep (const DesignFlowManagerConstRef design_flow_manager, const ParameterConstRef parameters)
	Constructor. More...

virtual	~DesignFlowStep ()
	Destructor. More...

virtual void	Initialize ()
	Initialize the step (i.e., like a constructor, but executed just before exec. More...

DesignFlowStep_Status	GetStatus () const
	Return the status of this design step. More...

virtual void	WriteDot (std::ostream &out) const
	Write the label for a dot graph. More...

bool	IsComposed () const
	Returns if this step is composed. More...

int	CGetDebugLevel () const
	Return the debug level of the step. More...

Protected Member Functions
const CustomUnorderedSet< std::pair< FrontendFlowStepType, FunctionRelationship > >	ComputeFrontendRelationships (const DesignFlowStep::RelationshipType relationship_type) const override
	Return the set of analyses in relationship with this design step. More...

void	ComputeRelationships (DesignFlowStepSet &relationships, const DesignFlowStep::RelationshipType relationship_type) override
	Compute the relationships of a step with other steps. More...

bool	signature_opt (const tree_managerRef &TM, function_decl *fd, unsigned int function_id, const CustomOrderedSet< unsigned int > &rFunctions)

Protected Attributes
CustomOrderedSet< unsigned int >	fun_id_to_restart
	stores the function ids of the functions whose Bit_Value intra procedural steps have to be invalidated by this step More...

CustomOrderedSet< unsigned int >	fun_id_to_restartParm
	stores the function ids of the functions whose Parm2SSA intra procedural steps have to be invalidated by this step More...

Protected Attributes inherited from FrontendFlowStep
const application_managerRef	AppM
	The application manager. More...

const FrontendFlowStepType	frontend_flow_step_type
	The type of this step. More...

unsigned int	print_counter
	Print counter. More...

Protected Attributes inherited from DesignFlowStep
bool	composed
	True if this step represents a composition of design flow steps (e.g., a flow); must be set by specialized constructors. More...

const Wrefcount< const DesignFlowManager >	design_flow_manager
	The design flow manager. More...

const ParameterConstRef	parameters
	Set of input parameters. More...

int	debug_level
	The debug level. More...

const int	output_level
	The output level. More...

Additional Inherited Members
Public Types inherited from FrontendFlowStep
using	FunctionRelationship = enum { ALL_FUNCTIONS, CALLED_FUNCTIONS, CALLING_FUNCTIONS, SAME_FUNCTION, WHOLE_APPLICATION }
	The different relationship type between function analysis. More...

Public Types inherited from DesignFlowStep
enum	RelationshipType { DEPENDENCE_RELATIONSHIP, INVALIDATION_RELATIONSHIP, PRECEDENCE_RELATIONSHIP }
	The relationship type. More...

Static Public Member Functions inherited from ApplicationFrontendFlowStep
static const std::string	ComputeSignature (const FrontendFlowStepType frontend_flow_step_type)
	Compute the signature of a function frontend flow step. More...

Static Public Member Functions inherited from FrontendFlowStep
static void	CreateSteps (const DesignFlowManagerConstRef design_flow_manager, const CustomUnorderedSet< std::pair< FrontendFlowStepType, FunctionRelationship >> &frontend_relationships, const application_managerConstRef application_manager, DesignFlowStepSet &relationships)
	Create the relationship steps of a step with other steps starting from already specified dependencies between frontend flow steps. More...

static const std::string	EnumToKindText (const FrontendFlowStepType frontend_flow_step_type)
	Given a frontend flow step type, return the name of the type. More...

Detailed Description

Inter-procedural dead code elimination analysis.

Definition at line 58 of file dead_code_eliminationIPA.hpp.

Constructor & Destructor Documentation

◆ dead_code_eliminationIPA()

dead_code_eliminationIPA::dead_code_eliminationIPA	(	const application_managerRef	AM,
		const DesignFlowManagerConstRef	dfm,
		const ParameterConstRef	parameters
	)

Definition at line 71 of file dead_code_eliminationIPA.cpp.

References DesignFlowStep::debug_level, DEBUG_LEVEL_NONE, GET_CLASS, DesignFlowStep::parameters, and ~dead_code_eliminationIPA().

Here is the call graph for this function:

◆ ~dead_code_eliminationIPA()

dead_code_eliminationIPA::~dead_code_eliminationIPA ( )

overridedefault

Referenced by dead_code_eliminationIPA().

Here is the caller graph for this function:

Member Function Documentation

◆ ComputeFrontendRelationships()

const CustomUnorderedSet< std::pair< FrontendFlowStepType, FrontendFlowStep::FunctionRelationship > > dead_code_eliminationIPA::ComputeFrontendRelationships ( const DesignFlowStep::RelationshipType relationship_type ) const

overrideprotectedvirtual

Return the set of analyses in relationship with this design step.

Parameters

relationship_type is the type of relationship to be considered

Implements FrontendFlowStep.

Definition at line 81 of file dead_code_eliminationIPA.cpp.

References ALL_FUNCTIONS, DesignFlowStep::DEPENDENCE_RELATIONSHIP, DesignFlowStep::INVALIDATION_RELATIONSHIP, DesignFlowStep::parameters, DesignFlowStep::PRECEDENCE_RELATIONSHIP, and THROW_UNREACHABLE.

◆ ComputeRelationships()

void dead_code_eliminationIPA::ComputeRelationships	(	DesignFlowStepSet &	relationship,
		const DesignFlowStep::RelationshipType	relationship_type
	)

overrideprotectedvirtual

Compute the relationships of a step with other steps.

Parameters

dependencies	is where relationships will be stored
relationship_type	is the type of relationship to be computed

Reimplemented from FrontendFlowStep.

Definition at line 112 of file dead_code_eliminationIPA.cpp.

References FrontendFlowStep::ComputeRelationships(), FunctionFrontendFlowStep::ComputeSignature(), DesignFlowStep::design_flow_manager, fun_id_to_restart, fun_id_to_restartParm, DesignFlowStep::INVALIDATION_RELATIONSHIP, Wrefcount< T >::lock(), NULL_VERTEX, DesignFlowStep::parameters, and THROW_ASSERT.

Here is the call graph for this function:

◆ Exec()

DesignFlowStep_Status dead_code_eliminationIPA::Exec ( )

overridevirtual

Execute the step.

Returns: the exit status of this step

Implements ApplicationFrontendFlowStep.

Definition at line 154 of file dead_code_eliminationIPA.cpp.

References FrontendFlowStep::AppM, DesignFlowStep::debug_level, DEBUG_LEVEL_PEDANTIC, fun_id_to_restart, fun_id_to_restartParm, GET_INDEX_CONST_NODE, INDENT_DBG_MEX, DesignFlowStep::parameters, signature_opt(), STR, SUCCESS, THROW_ASSERT, and UNCHANGED.

Here is the call graph for this function:

◆ HasToBeExecuted()

bool dead_code_eliminationIPA::HasToBeExecuted ( ) const

overridevirtual

Check if this step has actually to be executed.

Returns: true if the step has to be executed

Reimplemented from ApplicationFrontendFlowStep.

Definition at line 149 of file dead_code_eliminationIPA.cpp.

◆ signature_opt()

bool dead_code_eliminationIPA::signature_opt	(	const tree_managerRef &	TM,
		function_decl *	fd,
		unsigned int	function_id,
		const CustomOrderedSet< unsigned int > &	rFunctions
	)