#include <var_computation.hpp>

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Public Member Functions
	VarComputation (const ParameterConstRef _parameters, const application_managerRef AppM, unsigned int function_id, const DesignFlowManagerConstRef design_flow_manager)
	Constructor. More...

	~VarComputation () override
	Destructor. More...

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

DesignFlowStep_Status	InternalExec () override
	Computes the set of read and written variables. 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
void	RecursivelyAnalyze (const vertex op_vertex, const tree_nodeConstRef &tree_node, const FunctionBehavior_VariableAccessType access_type) const
	Recursively analyze a tree_node. More...

void	AnalyzeVops (const vertex op_vertex, const gimple_node *vops) const
	Analyze virtual operands associated with a gimple node. More...

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...

Private Attributes
const operations_graph_constructorRef	ogc
	The operation graph constructor. More...

const OpGraphConstRef	cfg
	The control flow graph of the function. More...

const BehavioralHelperRef	behavioral_helper
	The behavioral helper associated with the function. 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 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 67 of file var_computation.hpp.

Constructor & Destructor Documentation

◆ VarComputation()

VarComputation::VarComputation	(	const ParameterConstRef	_parameters,
		const application_managerRef	AppM,
		unsigned int	function_id,
		const DesignFlowManagerConstRef	design_flow_manager
	)

Constructor.

Parameters

Param	is the set of the parameters
AppM	is the reference to the application manager
function_id	is the index of the function
design_flow_manager	is the design flow manager

Definition at line 78 of file var_computation.cpp.

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

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◆ ~VarComputation()

VarComputation::~VarComputation ( )

overridedefault

Destructor.

Referenced by VarComputation().

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Member Function Documentation

◆ AnalyzeVops()

void VarComputation::AnalyzeVops	(	const vertex	op_vertex,
		const gimple_node *	vops
	)		const

private

Analyze virtual operands associated with a gimple node.

Parameters

op_vertex	is the vertex to which gimple node belongs
vops	is the set of virtual operands to be considered

Definition at line 678 of file var_computation.cpp.

References DEFINITION, GET_INDEX_NODE, ogc, OVER, USE, gimple_node::vdef, VIRTUAL, gimple_node::vovers, and gimple_node::vuses.

Referenced by RecursivelyAnalyze().

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◆ ComputeFrontendRelationships()

const CustomUnorderedSet< std::pair< FrontendFlowStepType, FrontendFlowStep::FunctionRelationship > > VarComputation::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 91 of file var_computation.cpp.

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

◆ Initialize()

void VarComputation::Initialize ( )

overridevirtual

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

Reimplemented from DesignFlowStep.

Definition at line 118 of file var_computation.cpp.

References FunctionFrontendFlowStep::bb_version, FunctionBehavior::CFG, and FunctionFrontendFlowStep::function_behavior.

◆ InternalExec()

DesignFlowStep_Status VarComputation::InternalExec ( )

overridevirtual

Computes the set of read and written variables.

Returns: the exit status of this step

Implements FunctionFrontendFlowStep.

Definition at line 138 of file var_computation.cpp.

References cfg, FunctionBehavior::CFG, OpGraph::CGetOpNodeInfo(), FunctionFrontendFlowStep::function_behavior, GET_TYPE, DesignFlowStep::parameters, RecursivelyAnalyze(), SUCCESS, TYPE_VPHI, and UNKNOWN.

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◆ RecursivelyAnalyze()

void VarComputation::RecursivelyAnalyze	(	const vertex	op_vertex,
		const tree_nodeConstRef &	tree_node,
		const FunctionBehavior_VariableAccessType	access_type
	)		const

private

Recursively analyze a tree_node.

Parameters

op_vertex	is the vertex to which the statement where tree_node is inclued belongs
tree_node	is the tree node to be examined
access_type	is the type of the access

Needed to correctly support function pointers

add parameter to the vertex

Needed to correctly support function pointers

add parameter to the vertex

Definition at line 180 of file var_computation.cpp.

References ADDRESS, AnalyzeVops(), FrontendFlowStep::AppM, ARG, test_panda::arg, CASE_BINARY_EXPRESSION, CASE_CPP_NODES, CASE_FAKE_NODES, CASE_QUATERNARY_EXPRESSION, CASE_TERNARY_EXPRESSION, CASE_TYPE_NODES, CASE_UNARY_EXPRESSION, cfg, OpGraph::CGetOpGraphInfo(), tree_helper::CGetType(), DesignFlowStep::debug_level, DEBUG_LEVEL_VERY_PEDANTIC, DEFINITION, GET_CONST_NODE, tree_node::get_kind(), tree_node::GetString(), INDENT_DBG_MEX, tree_node::index, ogc, OVER, SCALAR, STR, THROW_UNREACHABLE, UNKNOWN, USE, and VIRTUAL.

Referenced by InternalExec().

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Field Documentation

◆ behavioral_helper

const BehavioralHelperRef VarComputation::behavioral_helper

private

The behavioral helper associated with the function.

Definition at line 77 of file var_computation.hpp.

◆ cfg

const OpGraphConstRef VarComputation::cfg

private

The control flow graph of the function.

Definition at line 74 of file var_computation.hpp.

Referenced by InternalExec(), and RecursivelyAnalyze().

◆ ogc

const operations_graph_constructorRef VarComputation::ogc

private

The operation graph constructor.

Definition at line 71 of file var_computation.hpp.

Referenced by AnalyzeVops(), and RecursivelyAnalyze().

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

/workspace/src/frontend_analysis/IR_analysis/var_computation.hpp
/workspace/src/frontend_analysis/IR_analysis/var_computation.cpp

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ VarComputation()

◆ ~VarComputation()

Member Function Documentation

◆ AnalyzeVops()

◆ ComputeFrontendRelationships()

◆ Initialize()

◆ InternalExec()

◆ RecursivelyAnalyze()

Field Documentation

◆ behavioral_helper

◆ cfg

◆ ogc