#include <determine_memory_accesses.hpp>

Inheritance diagram for determine_memory_accesses:

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Public Member Functions
	determine_memory_accesses (const ParameterConstRef parameters, const application_managerRef AppM, unsigned int _function_id, const DesignFlowManagerConstRef design_flow_manager)
	Constructor. More...

	~determine_memory_accesses () override
	Destructor. More...

DesignFlowStep_Status	InternalExec () override
	Determines the variables that require a memory access. 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...

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...

Private Member Functions
void	analyze_node (const tree_nodeConstRef &tn, bool left_p, bool dynamic_address, bool no_dynamic_address)
	Analyze the given node ID to determine which variables have to be referred in memory. 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 BehavioralHelperConstRef	behavioral_helper
	The behavioral helper. More...

const tree_managerConstRef	TM
	The tree manager. More...

CustomUnorderedSet< unsigned int >	already_visited_ae
	Already visited address expression (used to avoid infinite recursion) More...

CustomUnorderedSet< unsigned int >	already_visited

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 62 of file determine_memory_accesses.hpp.

Constructor & Destructor Documentation

◆ determine_memory_accesses()

determine_memory_accesses::determine_memory_accesses	(	const ParameterConstRef	_parameters,
		const application_managerRef	_AppM,
		unsigned int	_function_id,
		const DesignFlowManagerConstRef	_design_flow_manager
	)

Constructor.

Header include.

Parameters

parameters	is the set of input parameters
AppM	is the application manager
function_id	is the node id of the function analyzed.
design_flow_manager	is the design flow manager

Behavior include Parameter include Tree include

Definition at line 71 of file determine_memory_accesses.cpp.

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

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◆ ~determine_memory_accesses()

determine_memory_accesses::~determine_memory_accesses ( )

overridedefault

Destructor.

Referenced by determine_memory_accesses().

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Member Function Documentation

◆ analyze_node()

void determine_memory_accesses::analyze_node	(	const tree_nodeConstRef &	tn,
		bool	left_p,
		bool	dynamic_address,
		bool	no_dynamic_address
	)

private

Analyze the given node ID to determine which variables have to be referred in memory.

check for implicit memcpy calls

manage temporary addresses

an address of a parm decl may be used in writing so it has to be copied

check if the actual parameter has been allocated in memory

if the formal parameter has not been allocated in memory then it has to be initialized

check if the formal parameter has been allocated in memory.

If the actual has not been allocated in memory then the formal parameter storage has to be initialized with the actual value with a MEMSTORE_STD

check if the actual parameter has been allocated in memory

if the formal parameter has not been allocated in memory then it has to be initialized

check if the formal parameter has been allocated in memory.

If the actual has not been allocated in memory then the formal parameter storage has to be initialized with the actual value with a MEMSTORE_STD

skip the &

check for unaligned accesses

Definition at line 203 of file determine_memory_accesses.cpp.

References already_visited, already_visited_ae, FrontendFlowStep::AppM, test_panda::arg, test_panda::args, behavioral_helper, BUILTIN_WAIT_CALL, C_EC, CASE_BINARY_EXPRESSION, CASE_CPP_NODES, CASE_DECL_NODES, CASE_FAKE_NODES, CASE_GIMPLE_NODES, CASE_PRAGMA_NODES, CASE_QUATERNARY_EXPRESSION, CASE_TERNARY_EXPRESSION, CASE_TYPE_NODES, CASE_UNARY_EXPRESSION, tree_helper::CGetType(), DesignFlowStep::debug_level, DEBUG_LEVEL_VERY_PEDANTIC, el, FunctionFrontendFlowStep::function_behavior, GET_CONST_NODE, BehavioralHelper::get_function_name(), GET_INDEX_CONST_NODE, GET_INDEX_NODE, tree_node::get_kind(), GET_NODE, tree_helper::GetBaseVariable(), tree_helper::GetMangledFunctionName(), INDENT_DBG_MEX, INDENT_OUT_MEX, tree_node::index, tree_helper::IsPointerType(), tree_helper::IsVectorType(), tree_helper::IsVolatile(), NODE_NOT_YET_SUPPORTED_EC, DesignFlowStep::output_level, OUTPUT_LEVEL_VERBOSE, DesignFlowStep::parameters, PRINT_DBG_MEX, tree_helper::print_function_name(), BehavioralHelper::PrintVariable(), STR, THROW_ASSERT, THROW_ERROR, THROW_ERROR_CODE, THROW_UNREACHABLE, TM, and tree_node::ToString().

Referenced by InternalExec().

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◆ ComputeFrontendRelationships()

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