llvm::AMDGPUNextUseAnalysisImpl Class Reference

Classes
struct	CacheableNextUseDistance

Public Member Functions
void	getNextUseDistances (const GCNRPTracker::LiveRegSet &LiveRegs, const MachineInstr &MI, LiveRegUse &Furthest, LiveRegUse *FurthestSubreg=nullptr, DenseMap< const MachineOperand *, UseDistancePair > *RelevantUses=nullptr)
void	printVerboseInstrFields (json::OStream &J, const MachineInstr &MI) const
void	printPaths (json::OStream &J, ModuleSlotTracker &MST) const
	AMDGPUNextUseAnalysisImpl (const MachineFunction *, const MachineLoopInfo *)
	~AMDGPUNextUseAnalysisImpl ()
AMDGPUNextUseAnalysis::Config	getConfig () const
void	setConfig (AMDGPUNextUseAnalysis::Config NewCfg)
unsigned	getDistanceCacheHits () const
unsigned	getDistanceCacheMisses () const
void	getReachableUses (Register LiveReg, LaneBitmask LaneMask, const MachineInstr &MI, SmallVector< const MachineOperand * > &Uses) const
NextUseDistance	getShortestDistance (Register LiveReg, LaneBitmask LaneMask, const MachineInstr &FromMI, const SmallVector< const MachineOperand * > &Uses, const MachineOperand **ShortestUseOut, bool *MIDependent, SmallVector< CacheableNextUseDistance > *Distances) const
	\Returns the shortest next-use distance for LiveReg.
NextUseDistance	getShortestDistance (Register LiveReg, const MachineInstr &FromMI, const SmallVector< const MachineOperand * > &Uses) const

Static Public Attributes
static constexpr bool	InstrRelative = true
static constexpr bool	InstrInvariant = false

Detailed Description

Definition at line 264 of file AMDGPUNextUseAnalysis.cpp.

Constructor & Destructor Documentation

AMDGPUNextUseAnalysisImpl()

AMDGPUNextUseAnalysisImpl::AMDGPUNextUseAnalysisImpl	(	const MachineFunction *	MF,
		const MachineLoopInfo *	ML )

Definition at line 2111 of file AMDGPUNextUseAnalysis.cpp.

References llvm::AMDGPUNextUseAnalysis::Config::Compute(), llvm::AMDGPUNextUseAnalysis::Config::Graphics(), and ML.

~AMDGPUNextUseAnalysisImpl()

llvm::AMDGPUNextUseAnalysisImpl::~AMDGPUNextUseAnalysisImpl ( )

inline

Definition at line 2079 of file AMDGPUNextUseAnalysis.cpp.

Member Function Documentation

getConfig()

AMDGPUNextUseAnalysis::Config llvm::AMDGPUNextUseAnalysisImpl::getConfig ( ) const

inline

Definition at line 2081 of file AMDGPUNextUseAnalysis.cpp.

getDistanceCacheHits()

unsigned llvm::AMDGPUNextUseAnalysisImpl::getDistanceCacheHits ( ) const

inline

Definition at line 2088 of file AMDGPUNextUseAnalysis.cpp.

getDistanceCacheMisses()

unsigned llvm::AMDGPUNextUseAnalysisImpl::getDistanceCacheMisses ( ) const

inline

Definition at line 2089 of file AMDGPUNextUseAnalysis.cpp.

getNextUseDistances()

void llvm::AMDGPUNextUseAnalysisImpl::getNextUseDistances ( const GCNRPTracker::LiveRegSet & LiveRegs, const MachineInstr & MI, LiveRegUse & Furthest, LiveRegUse * FurthestSubreg = nullptr, DenseMap< const MachineOperand *, UseDistancePair > * RelevantUses = nullptr )

inline

Definition at line 1963 of file AMDGPUNextUseAnalysis.cpp.

References llvm::SmallSet< T, N, C >::contains(), getReachableUses(), getShortestDistance(), MI, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::try_emplace(), and Uses.

getReachableUses()

void AMDGPUNextUseAnalysisImpl::getReachableUses	(	Register	LiveReg,
		LaneBitmask	LaneMask,
		const MachineInstr &	MI,
		SmallVector< const MachineOperand * > &	Uses ) const

Definition at line 2179 of file AMDGPUNextUseAnalysis.cpp.

References llvm::LaneBitmask::getAll(), llvm::MachineOperand::getParent(), MBB, MI, UseMI, and Uses.

Referenced by getNextUseDistances().

getShortestDistance() [1/2]

NextUseDistance llvm::AMDGPUNextUseAnalysisImpl::getShortestDistance ( Register LiveReg, const MachineInstr & FromMI, const SmallVector< const MachineOperand * > & Uses ) const

inline

Definition at line 2104 of file AMDGPUNextUseAnalysis.cpp.

References llvm::LaneBitmask::getAll(), getShortestDistance(), and Uses.

getShortestDistance() [2/2]

NextUseDistance AMDGPUNextUseAnalysisImpl::getShortestDistance	(	Register	LiveReg,
		LaneBitmask	LaneMask,
		const MachineInstr &	FromMI,
		const SmallVector< const MachineOperand * > &	Uses,
		const MachineOperand **	ShortestUseOut,
		bool *	MIDependent,
		SmallVector< CacheableNextUseDistance > *	Distances ) const

\Returns the shortest next-use distance for LiveReg.

Definition at line 2141 of file AMDGPUNextUseAnalysis.cpp.

References assert(), llvm::SmallVectorImpl< T >::clear(), D(), llvm::Register::isPhysical(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SmallVectorImpl< T >::reserve(), llvm::NextUseDistance::unreachable(), and Uses.

Referenced by getNextUseDistances(), and getShortestDistance().

printPaths()

void llvm::AMDGPUNextUseAnalysisImpl::printPaths ( json::OStream & J, ModuleSlotTracker & MST ) const

inline

Definition at line 2041 of file AMDGPUNextUseAnalysis.cpp.

References llvm::json::OStream::arrayBegin(), llvm::json::OStream::arrayEnd(), llvm::json::OStream::attribute(), llvm::json::OStream::attributeBegin(), llvm::json::OStream::attributeEnd(), llvm::json::OStream::objectBegin(), llvm::json::OStream::objectEnd(), and P.

printVerboseInstrFields()

void llvm::AMDGPUNextUseAnalysisImpl::printVerboseInstrFields ( json::OStream & J, const MachineInstr & MI ) const

inline

Definition at line 2035 of file AMDGPUNextUseAnalysis.cpp.

References llvm::json::OStream::attribute(), and MI.

setConfig()

void llvm::AMDGPUNextUseAnalysisImpl::setConfig ( AMDGPUNextUseAnalysis::Config NewCfg )

inline

Definition at line 2082 of file AMDGPUNextUseAnalysis.cpp.

Member Data Documentation

InstrInvariant

bool llvm::AMDGPUNextUseAnalysisImpl::InstrInvariant = false

staticconstexpr

Definition at line 271 of file AMDGPUNextUseAnalysis.cpp.

InstrRelative

bool llvm::AMDGPUNextUseAnalysisImpl::InstrRelative = true

staticconstexpr

Definition at line 270 of file AMDGPUNextUseAnalysis.cpp.

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

• lib/Target/AMDGPU/AMDGPUNextUseAnalysis.cpp