#include <BFRemoveEdge.hh>

Inheritance diagram for BFRemoveEdge:

Collaboration diagram for BFRemoveEdge:

Public Member Functions
	BFRemoveEdge (BF2Scheduler &sched, MoveNode &nTail, MoveNode &nHead, DataDependenceEdge &e)

bool	operator() () override

void	undoOnlyMe () override

virtual	~BFRemoveEdge ()

Public Member Functions inherited from BFOptimization
	BFOptimization (BF2Scheduler &sched)

virtual bool	isFinishFront ()

virtual void	mightBeReady (MoveNode &mn)

Public Member Functions inherited from Reversible
virtual void	undo ()

virtual	~Reversible ()

void	deleteChildren (std::stack< Reversible * > &children)

int	id ()

	Reversible ()

Private Attributes
DataDependenceEdge &	e_

MoveNode &	nTail_

MoveNode &	nHead_

Additional Inherited Members
Static Public Member Functions inherited from BFOptimization
static void	clearPrologMoves ()

static MoveNode *	getSisterTrigger (const MoveNode &mn, const TTAMachine::Machine &mach)

Protected Member Functions inherited from BFOptimization
DataDependenceGraph &	ddg ()

DataDependenceGraph *	rootDDG ()

const DataDependenceGraph &	ddg () const

DataDependenceGraph *	prologDDG ()

SimpleResourceManager &	rm () const

SimpleResourceManager *	prologRM () const

BUMoveNodeSelector &	selector ()

const TTAMachine::Machine &	targetMachine () const

unsigned int	ii () const

MoveNodeDuplicator &	duplicator () const

virtual bool	assign (int cycle, MoveNode &, const TTAMachine::Bus bus=nullptr, const TTAMachine::FunctionUnit srcFU_=nullptr, const TTAMachine::FunctionUnit dstFU=nullptr, const TTAMachine::Bus prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1, bool ignoreGuardWriteCycle=false)

virtual void	unassign (MoveNode &mn, bool disposePrologCopy=true)

virtual int	rmEC (int cycle, MoveNode &mn, const TTAMachine::Bus bus=nullptr, const TTAMachine::FunctionUnit srcFU=nullptr, const TTAMachine::FunctionUnit dstFU=nullptr, const TTAMachine::Bus prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1)

virtual int	rmLC (int cycle, MoveNode &mn, const TTAMachine::Bus bus=nullptr, const TTAMachine::FunctionUnit srcFU=nullptr, const TTAMachine::FunctionUnit dstFU=nullptr, const TTAMachine::Bus prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1)

virtual bool	canAssign (int cycle, MoveNode &mn, const TTAMachine::Bus bus=nullptr, const TTAMachine::FunctionUnit srcFU=nullptr, const TTAMachine::FunctionUnit dstFU=nullptr, const TTAMachine::Bus prologBus=nullptr, int immWriteCycle=-1, int prologImmWriteCycle=-1, const TTAMachine::ImmediateUnit *immu=nullptr, int immRegIndex=-1, bool ignoreGWN=false)

bool	putAlsoToPrologEpilog (int cycle, MoveNode &mn)

void	setPrologSrcFUAnno (MoveNode &prologMN, MoveNode &loopMN)

void	setPrologDstFUAnno (MoveNode &prologMN, MoveNode &loopMN)

void	setJumpGuard (MoveNode &mn)

void	unsetJumpGuard (MoveNode &mn)

bool	needJumpGuard (const MoveNode &mn, int cycle)

int	jumpGuardAvailableCycle (const MoveNode &mn)

bool	canBeSpeculated (const Operation &op)

bool	canBeSpeculated (const MoveNode &mn)

bool	usePrologMove (const MoveNode &mn)

bool	canBeScheduled (const MoveNode &mn)

const TTAMachine::RegisterFile *	RFReadPortCountPreventsScheduling (const MoveNode &mn)

bool	immCountPreventsScheduling (const MoveNode &mn)

Protected Member Functions inherited from Reversible
bool	runPreChild (Reversible *preChild)

bool	runPostChild (Reversible *preChild)

bool	runChild (std::stack< Reversible * > &children, Reversible *child)

bool	runChild (Reversible *child, bool pre)

void	undoAndRemovePreChildren ()

void	undoAndRemovePostChildren ()

void	undoAndRemoveChildren (std::stack< Reversible * > &children)

Protected Attributes inherited from BFOptimization
BF2Scheduler &	sched_

Protected Attributes inherited from Reversible
std::stack< Reversible * >	preChildren_

std::stack< Reversible * >	postChildren_

Static Protected Attributes inherited from BFOptimization
static std::map< MoveNode , MoveNode , MoveNode::Comparator >	prologMoves_

Detailed Description

Definition at line 40 of file BFRemoveEdge.hh.

Constructor & Destructor Documentation

◆ BFRemoveEdge()

BFRemoveEdge::BFRemoveEdge	(	BF2Scheduler &	sched,
		MoveNode &	nTail,
		MoveNode &	nHead,
		DataDependenceEdge &	e
	)

Definition at line 36 of file BFRemoveEdge.cc.

39 :

40 BFOptimization(sched), e_(e), nTail_(nTail), nHead_(nHead) {}

◆ ~BFRemoveEdge()

BFRemoveEdge::~BFRemoveEdge ( )

virtual

Definition at line 65 of file BFRemoveEdge.cc.

65 {}

Member Function Documentation

◆ operator()()

bool BFRemoveEdge::operator() ( )

overridevirtual

This performs the operation. Returns true if success, false if fail.

Implements Reversible.

Definition at line 42 of file BFRemoveEdge.cc.

                               {
 #ifdef DEBUG_BUBBLEFISH_SCHEDULER
     std::cerr << "\t\t\t\tRemoving edge: " << e_.toString()
               << " from: "<< nTail_.toString()
               << " to: " << nHead_.toString() << std::endl;
 #endif
     ddg().rootGraph()->removeEdge(e_);
     return true;
 }

References BFOptimization::ddg(), e_, nHead_, nTail_, BoostGraph< GraphNode, GraphEdge >::removeEdge(), BoostGraph< GraphNode, GraphEdge >::rootGraph(), DataDependenceEdge::toString(), and MoveNode::toString().

Here is the call graph for this function:

◆ undoOnlyMe()

void BFRemoveEdge::undoOnlyMe ( )

overridevirtual

Undoes the operations done by this class but not children. This method should be overloaded by most derived classes.

Reimplemented from Reversible.

Definition at line 52 of file BFRemoveEdge.cc.

                               {
 #ifdef DEBUG_BUBBLEFISH_SCHEDULER
     std::cerr << "\t\t\t\tRestoring edge: "  << e_.toString()
               << " from: " << nTail_.toString()
               << " to: " << nHead_.toString() << std::endl;
 #endif
  
     ddg().rootGraph()->connectNodes(nTail_, nHead_, e_);
 #ifdef DEBUG_BUBBLEFISH_SCHEDULER
     std::cerr << "\t\t\t\tRestored edge." << std::endl;
 #endif
 }