#include <eSSA.hpp>

Inheritance diagram for eSSA:

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Public Types
using	ValueInfoLookup = CustomMap< tree_nodeConstRef, unsigned int >

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...

Public Member Functions
	eSSA (const ParameterConstRef Param, const application_managerRef AM, unsigned int f_id, const DesignFlowManagerConstRef dfm)
	Constructor. More...

	~eSSA () override
	Destructor. More...

DesignFlowStep_Status	InternalExec () override
	compute the e-SSA form More...

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

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

	~FunctionFrontendFlowStep () override
	Destructor. More...

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

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

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

unsigned int	CGetBBVersion () const

unsigned int	GetBitValueVersion () const

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 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...

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

virtual	~DesignFlowStep ()
	Destructor. 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...

Private 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...

bool	renameUses (CustomSet< OperandRef > &OpSet, ValueInfoLookup &ValueInfoNums, std::vector< ValueInfo > &ValueInfos, CustomMap< unsigned int, DFSInfo > &DFSInfos, CustomSet< std::pair< unsigned int, unsigned int >> &EdgeUsesOnly, statement_list *sl)

Private Attributes
BBGraphRef	DT

Additional Inherited Members
Static Public Member Functions inherited from FunctionFrontendFlowStep
static const std::string	ComputeSignature (const FrontendFlowStepType frontend_flow_step_type, const unsigned int function_id)
	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...

Protected Member Functions inherited from FunctionFrontendFlowStep
void	WriteBBGraphDot (const std::string &filename) const
	Write the current version of statement list in dot format. More...

Protected Attributes inherited from FunctionFrontendFlowStep
const FunctionBehaviorRef	function_behavior
	The function behavior of the function to be analyzed. More...

const unsigned int	function_id
	The index of the function to be analyzed. More...

unsigned int	bb_version
	The version of the basic block intermediate representation on which this step has been applied. More...

unsigned int	bitvalue_version
	The version of the bitvalue information on which this step has been applied. 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...

Detailed Description

Definition at line 58 of file eSSA.hpp.

Member Typedef Documentation

◆ ValueInfoLookup

using eSSA::ValueInfoLookup = CustomMap<tree_nodeConstRef, unsigned int>

Definition at line 61 of file eSSA.hpp.

Constructor & Destructor Documentation

◆ eSSA()

eSSA::eSSA	(	const ParameterConstRef	Param,
		const application_managerRef	AM,
		unsigned int	f_id,
		const DesignFlowManagerConstRef	dfm
	)

Constructor.

Parameters

_Param	is the set of the parameters
_AppM	is the application manager
function_id	is the identifier of the function
design_flow_manager	is the design flow manager

Definition at line 1183 of file eSSA.cpp.

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

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◆ ~eSSA()

eSSA::~eSSA ( )

overridedefault

Destructor.

Referenced by eSSA().

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Member Function Documentation

◆ ComputeFrontendRelationships()

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

overrideprivatevirtual

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 1193 of file eSSA.cpp.

References DesignFlowStep::DEPENDENCE_RELATIONSHIP, DesignFlowStep::INVALIDATION_RELATIONSHIP, DesignFlowStep::PRECEDENCE_RELATIONSHIP, SAME_FUNCTION, and THROW_UNREACHABLE.

◆ Initialize()

void eSSA::Initialize ( )

overridevirtual

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

Reimplemented from DesignFlowStep.

Definition at line 1222 of file eSSA.cpp.

◆ InternalExec()

DesignFlowStep_Status eSSA::InternalExec ( )

overridevirtual

compute the e-SSA form

Returns: the exit status of this step

store the IR BB graph ala boost::graph

add vertices

add edges

add a connection between entry and exit thus avoiding problems with non terminating code

Implements FunctionFrontendFlowStep.

Definition at line 1226 of file eSSA.cpp.

References FrontendFlowStep::AppM, dominance< GraphObj >::calculate_dominance_info(), CFG_SELECTOR, BBGraph::CGetBBNodeInfo(), D_SELECTOR, DesignFlowStep::debug_level, DEBUG_LEVEL_VERY_PEDANTIC, DT, bloc::ENTRY_BLOCK_ID, bloc::EXIT_BLOCK_ID, FunctionFrontendFlowStep::function_behavior, FunctionFrontendFlowStep::function_id, GET_CONST_NODE, GET_NODE, BBGraph::GetBBGraphInfo(), INDENT_DBG_MEX, BBGraph::num_bblocks(), DesignFlowStep::parameters, processBranch(), processMultiWayIf(), renameUses(), sl, STR, SUCCESS, THROW_ASSERT, and UNCHANGED.

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◆ renameUses()

bool eSSA::renameUses	(	CustomSet< OperandRef > &	OpSet,
		eSSA::ValueInfoLookup &	ValueInfoNums,
		std::vector< ValueInfo > &	ValueInfos,
		CustomMap< unsigned int, DFSInfo > &	DFSInfos,
		CustomSet< std::pair< unsigned int, unsigned int >> &	EdgeUsesOnly,
		statement_list *	sl
	)