#include <BFRenameSource.hh>

Inheritance diagram for BFRenameSource:

Collaboration diagram for BFRenameSource:

Public Member Functions
	BFRenameSource (BF2Scheduler &sched, MoveNode &mn, int originalDDGLC, int targetCycle)

virtual bool	operator() ()

virtual	~BFRenameSource ()

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 ()

Protected Attributes
MoveNode &	mn_

int	originalDDGLC_

int	targetCycle_

Protected Attributes inherited from BFOptimization
BF2Scheduler &	sched_

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

std::stack< Reversible * >	postChildren_

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)

virtual void	undoOnlyMe ()

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

Detailed Description

Definition at line 42 of file BFRenameSource.hh.

Constructor & Destructor Documentation

◆ BFRenameSource()

BFRenameSource::BFRenameSource	(	BF2Scheduler &	sched,
		MoveNode &	mn,
		int	originalDDGLC,
		int	targetCycle
	)

Definition at line 44 of file BFRenameSource.cc.

                                                                   :
    BFOptimization(sched), mn_(mn),
    originalDDGLC_(originalDDGLC),
    targetCycle_(targetCycle) {}

◆ ~BFRenameSource()

virtual BFRenameSource::~BFRenameSource ( )

inlinevirtual

Definition at line 49 of file BFRenameSource.hh.

49{}

Member Function Documentation

◆ operator()()

bool BFRenameSource::operator() ( )

virtual

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

Implements Reversible.

Definition at line 51 of file BFRenameSource.cc.

                                {
 
    if (sched_.renamer() == nullptr) {
        return false;
    }
 
    // not yet working with loop scheduling
    if (ii()) {
        return false;
    }
 
    TTAProgram::Move& m = mn_.move();
    TTAProgram::Terminal& t = m.source();
    if (!t.isGPR()) {
        return false;
    }
 
    std::shared_ptr<LiveRange> liveRange(ddg().findLiveRange(mn_, false, false));
    if (liveRange->writes.size() != 1 ||
        liveRange->reads.empty() ||
        !liveRange->guards.empty()) {
        return false;
    }
 
    for (auto i: liveRange->writes) {
        if (i->isScheduled()) {
            return false;
        }
    }
 
    // for reads.
    for (auto i: liveRange->reads) {
        if (i->isScheduled()) {
            return false;
        }
    }
 
    // for reads.
    for (auto i: liveRange->guards) {
        if (i->isScheduled()) {
            return false;
        }
    }
 
    return runPreChild(new BFRenameLiveRange(sched_, liveRange, targetCycle_));
}

References BFOptimization::ddg(), BFOptimization::ii(), TTAProgram::Terminal::isGPR(), mn_, MoveNode::move(), BF2Scheduler::renamer(), Reversible::runPreChild(), BFOptimization::sched_, TTAProgram::Move::source(), and targetCycle_.

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Member Data Documentation

◆ mn_

MoveNode& BFRenameSource::mn_

protected

Definition at line 52 of file BFRenameSource.hh.

Referenced by operator()().

◆ originalDDGLC_

int BFRenameSource::originalDDGLC_

protected

Definition at line 53 of file BFRenameSource.hh.

◆ targetCycle_

int BFRenameSource::targetCycle_

protected

Definition at line 54 of file BFRenameSource.hh.

Referenced by operator()().

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

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BFRenameSource()

◆ ~BFRenameSource()

Member Function Documentation

◆ operator()()

Member Data Documentation

◆ mn_

◆ originalDDGLC_

◆ targetCycle_