Inheritance diagram for llvm::MIRProfileLoader:

Collaboration diagram for llvm::MIRProfileLoader:

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Public Member Functions
void	setInitVals (MachineDominatorTree MDT, MachinePostDominatorTree MPDT, MachineLoopInfo MLI, MachineBlockFrequencyInfo MBFI, MachineOptimizationRemarkEmitter *MORE)

void	setFSPass (FSDiscriminatorPass Pass)

	MIRProfileLoader (StringRef Name, StringRef RemapName)

void	setBranchProbs (MachineFunction &F)

bool	runOnFunction (MachineFunction &F)

bool	doInitialization (Module &M)

bool	isValid () const

Public Member Functions inherited from llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >
	SampleProfileLoaderBaseImpl (std::string Name, std::string RemapName)

void	dump ()

Protected Attributes
MachineBlockFrequencyInfo *	BFI
	Hold the information of the basic block frequency.

FSDiscriminatorPass	P
	PassNum is the sequence number this pass is called, start from 1.

unsigned	LowBit

unsigned	HighBit

bool	ProfileIsValid = true

Protected Attributes inherited from llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >
DenseMap< const DILocation , const FunctionSamples >	DILocation2SampleMap

BlockWeightMap	BlockWeights
	Map basic blocks to their computed weights.

EdgeWeightMap	EdgeWeights
	Map edges to their computed weights.

SmallPtrSet< const BasicBlockT *, 32 >	VisitedBlocks
	Set of visited blocks during propagation.

SmallSet< Edge, 32 >	VisitedEdges
	Set of visited edges during propagation.

EquivalenceClassMap	EquivalenceClass
	Equivalence classes for block weights.

DominatorTreePtrT	DT
	Dominance, post-dominance and loop information.

PostDominatorTreePtrT	PDT

LoopInfoPtrT	LI

BlockEdgeMap	Predecessors
	Predecessors for each basic block in the CFG.

BlockEdgeMap	Successors
	Successors for each basic block in the CFG.

SampleCoverageTracker	CoverageTracker
	Profile coverage tracker.

std::unique_ptr< SampleProfileReader >	Reader
	Profile reader object.

FunctionSamples *	Samples
	Samples collected for the body of this function.

std::string	Filename
	Name of the profile file to load.

std::string	RemappingFilename
	Name of the profile remapping file to load.

ProfileSummaryInfo *	PSI
	Profile Summary Info computed from sample profile.

OptRemarkEmitterT *	ORE
	Optimization Remark Emitter used to emit diagnostic remarks.

Friends
class	SampleCoverageTracker

Additional Inherited Members
Public Types inherited from llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >
using	InstructionT = typename afdo_detail::IRTraits< MachineBasicBlock >::InstructionT

using	BasicBlockT = typename afdo_detail::IRTraits< MachineBasicBlock >::BasicBlockT

using	BlockFrequencyInfoT = typename afdo_detail::IRTraits< MachineBasicBlock >::BlockFrequencyInfoT

using	FunctionT = typename afdo_detail::IRTraits< MachineBasicBlock >::FunctionT

using	LoopT = typename afdo_detail::IRTraits< MachineBasicBlock >::LoopT

using	LoopInfoPtrT = typename afdo_detail::IRTraits< MachineBasicBlock >::LoopInfoPtrT

using	DominatorTreePtrT = typename afdo_detail::IRTraits< MachineBasicBlock >::DominatorTreePtrT

using	PostDominatorTreePtrT = typename afdo_detail::IRTraits< MachineBasicBlock >::PostDominatorTreePtrT

using	PostDominatorTreeT = typename afdo_detail::IRTraits< MachineBasicBlock >::PostDominatorTreeT

using	OptRemarkEmitterT = typename afdo_detail::IRTraits< MachineBasicBlock >::OptRemarkEmitterT

using	OptRemarkAnalysisT = typename afdo_detail::IRTraits< MachineBasicBlock >::OptRemarkAnalysisT

using	PredRangeT = typename afdo_detail::IRTraits< MachineBasicBlock >::PredRangeT

using	SuccRangeT = typename afdo_detail::IRTraits< MachineBasicBlock >::SuccRangeT

using	BlockWeightMap = DenseMap< const BasicBlockT *, uint64_t >

using	EquivalenceClassMap = DenseMap< const BasicBlockT , const BasicBlockT >

using	Edge = std::pair< const BasicBlockT , const BasicBlockT >

using	EdgeWeightMap = DenseMap< Edge, uint64_t >

using	BlockEdgeMap = DenseMap< const BasicBlockT , SmallVector< const BasicBlockT , 8 > >

Protected Member Functions inherited from llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >
	~SampleProfileLoaderBaseImpl ()=default

Function &	getFunction (FunctionT &F)

const BasicBlockT *	getEntryBB (const FunctionT *F)

PredRangeT	getPredecessors (BasicBlockT *BB)

SuccRangeT	getSuccessors (BasicBlockT *BB)

unsigned	getFunctionLoc (FunctionT &Func)
	Get the line number for the function header.

virtual ErrorOr< uint64_t >	getInstWeight (const InstructionT &Inst)
	Get the weight for an instruction.

ErrorOr< uint64_t >	getInstWeightImpl (const InstructionT &Inst)

ErrorOr< uint64_t >	getBlockWeight (const BasicBlockT *BB)
	Compute the weight of a basic block.

virtual const FunctionSamples *	findFunctionSamples (const InstructionT &I) const
	Get the FunctionSamples for an instruction.

void	printEdgeWeight (raw_ostream &OS, Edge E)
	Print the weight of edge `E` on stream `OS`.

void	printBlockWeight (raw_ostream &OS, const BasicBlockT *BB) const
	Print the weight of block `BB` on stream `OS`.

void	printBlockEquivalence (raw_ostream &OS, const BasicBlockT *BB)
	Print the equivalence class of block `BB` on stream `OS`.

bool	computeBlockWeights (FunctionT &F)
	Compute and store the weights of every basic block.

void	findEquivalenceClasses (FunctionT &F)
	Find equivalence classes.

void	findEquivalencesFor (BasicBlockT BB1, ArrayRef< BasicBlockT > Descendants, PostDominatorTreeT *DomTree)
	Find equivalence classes for the given block.

void	propagateWeights (FunctionT &F)
	Propagate weights into edges.

void	applyProfi (FunctionT &F, BlockEdgeMap &Successors, BlockWeightMap &SampleBlockWeights, BlockWeightMap &BlockWeights, EdgeWeightMap &EdgeWeights)

uint64_t	visitEdge (Edge E, unsigned NumUnknownEdges, Edge UnknownEdge)
	Visit the given edge to decide if it has a valid weight.

void	buildEdges (FunctionT &F)
	Build in/out edge lists for each basic block in the CFG.

bool	propagateThroughEdges (FunctionT &F, bool UpdateBlockCount)
	Propagate weights through incoming/outgoing edges.

void	clearFunctionData (bool ResetDT=true)
	Clear all the per-function data used to load samples and propagate weights.

void	computeDominanceAndLoopInfo (FunctionT &F)

void	computeDominanceAndLoopInfo (MachineFunction &F)

bool	computeAndPropagateWeights (FunctionT &F, const DenseSet< GlobalValue::GUID > &InlinedGUIDs)
	Generate branch weight metadata for all branches in `F`.

void	initWeightPropagation (FunctionT &F, const DenseSet< GlobalValue::GUID > &InlinedGUIDs)

void	finalizeWeightPropagation (FunctionT &F, const DenseSet< GlobalValue::GUID > &InlinedGUIDs)

void	emitCoverageRemarks (FunctionT &F)

Detailed Description

Definition at line 120 of file MIRSampleProfile.cpp.

Constructor & Destructor Documentation

◆ MIRProfileLoader()

llvm::MIRProfileLoader::MIRProfileLoader	(	StringRef	Name,
		StringRef	RemapName
	)

inline

Definition at line 139 of file MIRSampleProfile.cpp.

References string.

Member Function Documentation

◆ doInitialization()

bool llvm::MIRProfileLoader::doInitialization ( Module & M )

Definition at line 254 of file MIRSampleProfile.cpp.

References llvm::sampleprof::SampleProfileReader::create(), llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::Filename, P, ProfileIsValid, llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::Reader, llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::RemappingFilename, and llvm::success.

◆ isValid()

bool llvm::MIRProfileLoader::isValid ( ) const

inline

Definition at line 146 of file MIRSampleProfile.cpp.

References ProfileIsValid.

◆ runOnFunction()

bool llvm::MIRProfileLoader::runOnFunction ( MachineFunction & F )

Definition at line 273 of file MIRSampleProfile.cpp.

References llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::clearFunctionData(), llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::computeAndPropagateWeights(), llvm::sampleprof::FunctionSamples::empty(), llvm::MachineFunction::getFunction(), llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::getFunctionLoc(), llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::Reader, llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::Samples, and setBranchProbs().

◆ setBranchProbs()

void llvm::MIRProfileLoader::setBranchProbs ( MachineFunction & F )

◆ setFSPass()

void llvm::MIRProfileLoader::setFSPass ( FSDiscriminatorPass Pass )

inline

Definition at line 132 of file MIRSampleProfile.cpp.

References assert(), llvm::getFSPassBitBegin(), llvm::getFSPassBitEnd(), HighBit, LowBit, and P.

◆ setInitVals()

void llvm::MIRProfileLoader::setInitVals	(	MachineDominatorTree *	MDT,
		MachinePostDominatorTree *	MPDT,
		MachineLoopInfo *	MLI,
		MachineBlockFrequencyInfo *	MBFI,
		MachineOptimizationRemarkEmitter *	MORE
	)

inline

Definition at line 123 of file MIRSampleProfile.cpp.

References BFI, llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::DT, llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::LI, MORE, llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::ORE, and llvm::SampleProfileLoaderBaseImpl< MachineBasicBlock >::PDT.

Friends And Related Function Documentation

◆ SampleCoverageTracker

friend class SampleCoverageTracker

friend

Definition at line 149 of file MIRSampleProfile.cpp.

Member Data Documentation

◆ BFI

MachineBlockFrequencyInfo* llvm::MIRProfileLoader::BFI

protected

Hold the information of the basic block frequency.

Definition at line 152 of file MIRSampleProfile.cpp.

Referenced by setBranchProbs(), and setInitVals().

◆ HighBit

unsigned llvm::MIRProfileLoader::HighBit

protected

Definition at line 162 of file MIRSampleProfile.cpp.

Referenced by setFSPass().

◆ LowBit

unsigned llvm::MIRProfileLoader::LowBit

protected

Definition at line 159 of file MIRSampleProfile.cpp.

Referenced by setFSPass().

◆ P

FSDiscriminatorPass llvm::MIRProfileLoader::P

protected

PassNum is the sequence number this pass is called, start from 1.

Definition at line 155 of file MIRSampleProfile.cpp.

Referenced by doInitialization(), and setFSPass().

◆ ProfileIsValid

bool llvm::MIRProfileLoader::ProfileIsValid = true

protected

Definition at line 164 of file MIRSampleProfile.cpp.

Referenced by doInitialization(), and isValid().

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

lib/CodeGen/MIRSampleProfile.cpp

Public Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MIRProfileLoader()

Member Function Documentation

◆ doInitialization()

◆ isValid()

◆ runOnFunction()

◆ setBranchProbs()

◆ setFSPass()

◆ setInitVals()

Friends And Related Function Documentation

◆ SampleCoverageTracker

Member Data Documentation

◆ BFI

◆ HighBit

◆ LowBit

◆ P

◆ ProfileIsValid