Add to the call graph the function calls associated with the floating point primitive operations. More...

#include <soft_float_cg_ext.hpp>

Inheritance diagram for soft_float_cg_ext:

Collaboration diagram for soft_float_cg_ext:

[legend]

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

	~soft_float_cg_ext () override
	Destructor. More...

DesignFlowStep_Status	InternalExec () override
	Fixes the var_decl duplication. More...

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

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 Types
enum	InterfaceType { INTERFACE_TYPE_NONE = 0, INTERFACE_TYPE_INPUT = 1, INTERFACE_TYPE_OUTPUT = 2, INTERFACE_TYPE_REAL = 4 }

Private Member Functions
tree_nodeRef	int_type_for (const tree_nodeRef &type, bool use_internal) const

bool	signature_lowering (function_decl *f_decl) const

void	ssa_lowering (ssa_name *ssa, bool internal_type) const

void	replaceWithCall (const FloatFormatRef &specFF, const std::string &fu_name, std::vector< tree_nodeRef > args, const tree_nodeRef &current_statement, const tree_nodeRef &current_tree_node, const std::string &current_scrp)
	Replace current_tree_node with a call_expr to fu_name function specialized with specFF fp format in current_statement. More...

bool	RecursiveExaminate (const tree_nodeRef &current_statement, const tree_nodeRef &current_tree_node, int castRename)
	Recursive examine tree node. More...

tree_nodeRef	generate_interface (const blocRef &bb, tree_nodeRef stmt, const tree_nodeRef &ssa, FloatFormatRef inFF, FloatFormatRef outFF) const
	Generate necessary statements to convert ssa variable from inFF to outFF and insert them after stmt in bb. More...

tree_nodeRef	cstCast (uint64_t in, const FloatFormatRef &inFF, const FloatFormatRef &outFF) const
	Cast real type constant from inFF to outFF format. More...

tree_nodeRef	floatNegate (const tree_nodeRef &op, const FloatFormatRef &ff) const
	Generate float negate operation based on given floating-point format. More...

tree_nodeRef	floatAbs (const tree_nodeRef &op, const FloatFormatRef &ff) const
	Generate float absolute value operation based on given floating-point format. 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...

Static Private Member Functions
static bool	lowering_needed (const ssa_name *ssa)

Private Attributes
CustomUnorderedSet< unsigned int >	already_visited
	Already visited tree node (used to avoid infinite recursion) More...

const tree_managerRef	TreeM
	Tree manager. More...

const tree_manipulationRef	tree_man
	tree manipulation More...

function_decl *	fd

bool	isTopFunction

std::vector< tree_nodeRef >	topReturn

bool	bindingCompleted

std::vector< tree_nodeRef >	paramBinding

FunctionVersionRef	_version

tree_nodeRef	int_type

tree_nodeRef	int_ptr_type

CustomMap< ssa_name *, bool >	viewConvert

std::vector< tree_nodeRef >	nopConvert

CustomMap< ssa_name *, std::tuple< FloatFormatRef, std::vector< unsigned int > > >	inputInterface
	SSA variable which requires cast renaming from standard to user-defined float format in all but given statements. More...

CustomMap< ssa_name *, std::tuple< FloatFormatRef, std::vector< tree_nodeRef > > >	outputInterface
	SSA variable which requires cast renaming from user-defined to standard float format in given statements only. More...

CustomMap< ssa_name *, std::set< unsigned int > >	hwParam
	Hardware implemented functions need parameters specified as real_type, thus it is necessary to add a view_convert. More...

std::vector< ssa_name * >	hwReturn
	Hardware implemented functions return values as real_type, thus a view_convert is necessary. More...

Static Private Attributes
static CustomMap< CallGraph::vertex_descriptor, FunctionVersionRef >	funcFF
	Floating-point function version map. More...

static CustomMap< unsigned int, std::array< tree_nodeRef, 8 > >	versioning_args
	Static arguments list to feed specialization parameters of versioned functions. More...

static bool	inline_math = false

static bool	inline_conversion = false

static tree_nodeRef	float32_type

static tree_nodeRef	float32_ptr_type

static tree_nodeRef	float64_type

static tree_nodeRef	float64_ptr_type

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

Add to the call graph the function calls associated with the floating point primitive operations.

Definition at line 76 of file soft_float_cg_ext.hpp.

Member Enumeration Documentation

◆ InterfaceType

enum soft_float_cg_ext::InterfaceType

private

Enumerator
INTERFACE_TYPE_NONE
INTERFACE_TYPE_INPUT
INTERFACE_TYPE_OUTPUT
INTERFACE_TYPE_REAL

Definition at line 94 of file soft_float_cg_ext.hpp.

Constructor & Destructor Documentation

◆ soft_float_cg_ext()

soft_float_cg_ext::soft_float_cg_ext	(	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 application manager
fun_id	is the function index
design_flow_manager	is the design flow manager

Definition at line 157 of file soft_float_cg_ext.cpp.

References _version, FrontendFlowStep::AppM, DesignFlowStep::debug_level, DEBUG_LEVEL_NONE, float32_ptr_type, float32_type, float32FF(), float64_ptr_type, float64_type, float64FF(), test_panda::format, FloatFormat::FPException_IEEE, FloatFormat::FPException_Overflow, FloatFormat::FPException_Saturation, FloatFormat::FPRounding_NearestEven, FloatFormat::FPRounding_Truncate, FloatFormat::FromString(), funcFF, FunctionFrontendFlowStep::function_id, GET_CLASS, GET_INDEX_CONST_NODE, GET_NODE, tree_manipulation::GetCustomIntegerType(), tree_manipulation::GetPointerType(), INDENT_OUT_MEX, inline_conversion, inline_math, int_ptr_type, int_type, DesignFlowStep::output_level, OUTPUT_LEVEL_VERBOSE, DesignFlowStep::parameters, tree_helper::print_function_name(), tree_helper::print_type(), SplitString(), STR, strip_fname(), lenet_tvm::target, THROW_ASSERT, THROW_ERROR, THROW_UNREACHABLE, THROW_WARNING, tree_man, TreeM, U, and ~soft_float_cg_ext().

Here is the call graph for this function:

◆ ~soft_float_cg_ext()

soft_float_cg_ext::~soft_float_cg_ext ( )

overridedefault

Destructor.

Referenced by soft_float_cg_ext().

Here is the caller graph for this function:

Member Function Documentation

◆ ComputeFrontendRelationships()

const CustomUnorderedSet< std::pair< FrontendFlowStepType, FrontendFlowStep::FunctionRelationship > > soft_float_cg_ext::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 416 of file soft_float_cg_ext.cpp.

References ABORTED, ALL_FUNCTIONS, CALLED_FUNCTIONS, DesignFlowStep::DEPENDENCE_RELATIONSHIP, EMPTY, DesignFlowStep::GetStatus(), DesignFlowStep::INVALIDATION_RELATIONSHIP, NONEXISTENT, DesignFlowStep::PRECEDENCE_RELATIONSHIP, SAME_FUNCTION, SKIPPED, SUCCESS, THROW_UNREACHABLE, UNCHANGED, UNEXECUTED, UNNECESSARY, and WHOLE_APPLICATION.

Here is the call graph for this function:

◆ cstCast()

tree_nodeRef soft_float_cg_ext::cstCast	(	uint64_t	in,
		const FloatFormatRef &	inFF,
		const FloatFormatRef &	outFF
	)		const

private

Cast real type constant from inFF to outFF format.

Parameters

in	Real type constant bits represented as inFF
inFF	Input floating point format
outFF	Output floating point format

Returns: tree_nodeRef Unsigned integer constant bits representation of input bits using outFF format

Definition at line 1171 of file soft_float_cg_ext.cpp.

References FloatFormat::FPException_IEEE, FloatFormat::FPRounding_NearestEven, tree_manipulation::GetCustomIntegerType(), max, ONE, STR, THROW_ASSERT, THROW_ERROR, tree_man, TreeM, and U.

Referenced by RecursiveExaminate().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ floatAbs()

tree_nodeRef soft_float_cg_ext::floatAbs	(	const tree_nodeRef &	op,
		const FloatFormatRef &	ff
	)		const

private

Generate float absolute value operation based on given floating-point format.

Parameters

op	Negate operand
ff	Floating-point format

Returns: tree_nodeRef Floating-point format related absolute value expression to replace abs_expr with

Definition at line 1460 of file soft_float_cg_ext.cpp.

References BUILTIN_SRCP, tree_manipulation::create_binary_operation(), tree_manipulation::GetCustomIntegerType(), ONE, THROW_ERROR, tree_man, TreeM, and U.

Referenced by RecursiveExaminate().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ floatNegate()

tree_nodeRef soft_float_cg_ext::floatNegate	(	const tree_nodeRef &	op,
		const FloatFormatRef &	ff
	)		const

private

Generate float negate operation based on given floating-point format.

Parameters

op	Negate operand
ff	Floating-point format

Returns: tree_nodeRef Floating-point format related negate expression to replace negate_expr with

Definition at line 1444 of file soft_float_cg_ext.cpp.

References BUILTIN_SRCP, tree_manipulation::create_binary_operation(), tree_manipulation::GetCustomIntegerType(), THROW_ERROR, tree_man, TreeM, and U.

Referenced by RecursiveExaminate().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ generate_interface()

tree_nodeRef soft_float_cg_ext::generate_interface	(	const blocRef &	bb,
		tree_nodeRef	stmt,
		const tree_nodeRef &	ssa,
		FloatFormatRef	inFF,
		FloatFormatRef	outFF
	)		const

private

Generate necessary statements to convert ssa variable from inFF to outFF and insert them after stmt in bb.

Parameters

bb	Generated operations will be inserted in this basic block
stmt	Generated statements will be inserted after this statement, if nullptr they will be inserted at the beginning of the BB
ssa	Real type ssa_name tree reindex to be converted from inFF to outFF
inFF	Input float format, if nullptr will be deduced as standard IEEE 754 type from ssa bitwidth
outFF	Output float format, if nullptr will be deduced as standard IEEE 754 type from ssa bitwidth

Returns: tree_nodeRef New ssa_name tree reindex reference representing converted input ssa

Definition at line 1353 of file soft_float_cg_ext.cpp.

References FrontendFlowStep::AppM, test_panda::args, BUILTIN_SRCP, tree_helper::CGetType(), tree_manipulation::CloneFunction(), tree_manipulation::CreateCallExpr(), tree_manipulation::CreateGimpleAssign(), tree_manipulation::CreateNopExpr(), DesignFlowStep::debug_level, DEBUG_LEVEL_VERY_PEDANTIC, FLOAT_CAST_FU_NAME, funcFF, FunctionFrontendFlowStep::function_id, GET_CONST_NODE, tree_manipulation::GetBooleanType(), tree_manipulation::GetCustomIntegerType(), tree_helper::GetFunctionReturnType(), tree_manipulation::GetSignedIntegerType(), tree_node::GetString(), INDENT_DBG_MEX, INLINE, inline_conversion, tree_helper::IsSameType(), ONE, FunctionCallOpt::RequestCallOpt(), STR, THROW_ASSERT, tree_man, TreeM, and U.

Referenced by InternalExec().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ HasToBeExecuted()

bool soft_float_cg_ext::HasToBeExecuted ( ) const

overridevirtual

Check if this step has actually to be executed.

Returns: true if the step has to be executed

Reimplemented from FunctionFrontendFlowStep.

Definition at line 465 of file soft_float_cg_ext.cpp.

References FunctionFrontendFlowStep::bb_version, and FunctionFrontendFlowStep::HasToBeExecuted().

Here is the call graph for this function:

◆ int_type_for()

tree_nodeRef soft_float_cg_ext::int_type_for	(	const tree_nodeRef &	type,
		bool	use_internal
	)		const

private

Definition at line 987 of file soft_float_cg_ext.cpp.

References _version, tree_helper::CGetPointedType(), float32_ptr_type, float32_type, float64_ptr_type, float64_type, int_type, tree_helper::IsPointerType(), tree_helper::Size(), and THROW_ASSERT.

Referenced by InternalExec(), RecursiveExaminate(), signature_lowering(), and ssa_lowering().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ InternalExec()

DesignFlowStep_Status soft_float_cg_ext::InternalExec ( )

overridevirtual

Fixes the var_decl duplication.

Implements FunctionFrontendFlowStep.

Definition at line 470 of file soft_float_cg_ext.cpp.

References _version, FrontendFlowStep::AppM, test_panda::arg, BB_ENTRY, bindingCompleted, function_decl::body, BUILTIN_SRCP, tree_helper::CGetType(), tree_manipulation::create_unary_operation(), tree_manipulation::CreateGimpleAssign(), tree_manipulation::CreateNopExpr(), DesignFlowStep::debug_level, DEBUG_LEVEL_VERY_PEDANTIC, bloc::ENTRY_BLOCK_ID, fd, float32_type, float32FF(), float64_type, float64FF(), funcFF, FunctionFrontendFlowStep::function_behavior, FunctionFrontendFlowStep::function_id, generate_interface(), GET_CONST_NODE, GET_INDEX_CONST_NODE, GET_INDEX_NODE, GET_NODE, hwParam, hwReturn, INDENT_DBG_MEX, inputInterface, int_type_for(), INTERFACE_TYPE_NONE, isTopFunction, function_decl::list_of_args, lowering_needed(), nopConvert, outputInterface, param, paramBinding, DesignFlowStep::parameters, phi, tree_helper::print_type(), RecursiveExaminate(), signature_lowering(), tree_helper::Size(), sl, ssa_lowering(), STR, SUCCESS, THROW_ASSERT, topReturn, ToString(), tree_man, TreeM, U, UNCHANGED, and viewConvert.

Here is the call graph for this function:

◆ lowering_needed()

bool soft_float_cg_ext::lowering_needed ( const ssa_name * ssa )

staticprivate

Definition at line 978 of file soft_float_cg_ext.cpp.

References tree_helper::CGetPointedType(), tree_helper::IsPointerType(), tree_helper::IsRealType(), and ssa_name::type.

Referenced by InternalExec(), RecursiveExaminate(), and ssa_lowering().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ RecursiveExaminate()

bool soft_float_cg_ext::RecursiveExaminate	(	const tree_nodeRef &	current_statement,
		const tree_nodeRef &	current_tree_node,
		int	castRename
	)

private

Recursive examine tree node.

Parameters

current_statement	is the current analyzed statement
current_tree_node	is the current tree node
castRename	is the required interface type bitmask reported using InterfaceType enum

Returns: bool True if IR has been modified, else false

Definition at line 1539 of file soft_float_cg_ext.cpp.

References _version, CallGraphManager::addCallPointAndExpand(), already_visited, FrontendFlowStep::AppM, test_panda::arg, test_panda::args, bindingCompleted, BUILTIN_WAIT_CALL, CASE_BINARY_EXPRESSION, CASE_CPP_NODES, CASE_CST_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::CGetPointedType(), tree_helper::CGetType(), convert_fp_to_bits(), tree_manipulation::create_unary_operation(), tree_manipulation::CreateCallExpr(), cstCast(), DesignFlowStep::debug_level, DEBUG_LEVEL_NONE, DEBUG_LEVEL_VERY_PEDANTIC, FunctionEdgeInfo::direct_call, fd, float32_type, float32FF(), float64_type, float64FF(), floatAbs(), floatNegate(), funcFF, FunctionFrontendFlowStep::function_behavior, FunctionFrontendFlowStep::function_id, GET_CONST_NODE, GET_INDEX_CONST_NODE, tree_node::get_kind(), GET_NODE, tree_manipulation::GetBooleanType(), tree_manipulation::GetCustomIntegerType(), tree_manipulation::GetPointerType(), tree_manipulation::GetSignedIntegerType(), hwParam, hwReturn, INDENT_DBG_MEX, tree_node::index, INLINE, inline_conversion, inline_math, inputInterface, int_type_for(), INTERFACE_TYPE_INPUT, INTERFACE_TYPE_NONE, INTERFACE_TYPE_OUTPUT, INTERFACE_TYPE_REAL, tree_helper::IsLoad(), tree_helper::IsPointerType(), tree_helper::IsRealType(), tree_helper::IsStore(), isTopFunction, tree_helper::IsUnsignedIntegerType(), function_decl::list_of_args, lowering_needed(), MEMCPY, MEMSET, NODE_NOT_YET_SUPPORTED_EC, nopConvert, outputInterface, paramBinding, DesignFlowStep::parameters, tree_helper::print_function_name(), replaceWithCall(), FunctionCallOpt::RequestCallOpt(), tree_helper::Size(), STR, strip_fname(), THROW_ASSERT, THROW_ERROR, THROW_ERROR_CODE, THROW_UNREACHABLE, topReturn, tree_man, TreeM, and viewConvert.

Referenced by InternalExec().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ replaceWithCall()

void soft_float_cg_ext::replaceWithCall	(	const FloatFormatRef &	specFF,
		const std::string &	fu_name,
		std::vector< tree_nodeRef >	args,
		const tree_nodeRef &	current_statement,
		const tree_nodeRef &	current_tree_node,
		const std::string &	current_scrp
	)