llvm::GCNRegPressure Struct Reference

#include "Target/AMDGPU/GCNRegPressure.h"

Public Types
enum	RegKind {   SGPR32, SGPR_TUPLE, VGPR32, VGPR_TUPLE,   TOTAL_KINDS }

Public Member Functions
	GCNRegPressure ()
bool	empty () const
void	clear ()
unsigned	getSGPRNum () const
unsigned	getVGPRNum () const
unsigned	getVGPRTuplesWeight () const
unsigned	getSGPRTuplesWeight () const
unsigned	getOccupancy (const GCNSubtarget &ST) const
void	inc (unsigned Reg, LaneBitmask PrevMask, LaneBitmask NewMask, const MachineRegisterInfo &MRI)
bool	higherOccupancy (const GCNSubtarget &ST, const GCNRegPressure &O) const
bool	less (const GCNSubtarget &ST, const GCNRegPressure &O, unsigned MaxOccupancy=std::numeric_limits< unsigned >::max()) const
bool	operator== (const GCNRegPressure &O) const
bool	operator!= (const GCNRegPressure &O) const
void	print (raw_ostream &OS, const GCNSubtarget *ST=nullptr) const
void	dump () const

Friends
GCNRegPressure	max (const GCNRegPressure &P1, const GCNRegPressure &P2)

Detailed Description

Definition at line 29 of file GCNRegPressure.h.

Member Enumeration Documentation

RegKind

enum llvm::GCNRegPressure::RegKind

Enumerator
SGPR32
SGPR_TUPLE
VGPR32
VGPR_TUPLE
TOTAL_KINDS

Definition at line 30 of file GCNRegPressure.h.

Constructor & Destructor Documentation

GCNRegPressure()

llvm::GCNRegPressure::GCNRegPressure ( )

inline

Definition at line 38 of file GCNRegPressure.h.

References clear().

Member Function Documentation

clear()

void llvm::GCNRegPressure::clear ( )

inline

Definition at line 44 of file GCNRegPressure.h.

References TOTAL_KINDS.

Referenced by llvm::GCNRPTracker::clearMaxPressure(), GCNRegPressure(), llvm::GCNRPTracker::moveMaxPressure(), and llvm::GCNIterativeScheduler::OverrideLegacyStrategy::schedule().

dump()

void llvm::GCNRegPressure::dump ( ) const

inline

Definition at line 78 of file GCNRegPressure.h.

References llvm::dbgs(), max, print(), and TOTAL_KINDS.

Referenced by llvm::DWARFListTableBase< DWARFDebugRnglist >::dump().

empty()

bool llvm::GCNRegPressure::empty ( ) const

inline

Definition at line 42 of file GCNRegPressure.h.

References getSGPRNum(), and getVGPRNum().

Referenced by llvm::GCNIterativeScheduler::scheduleRegion().

getOccupancy()

unsigned llvm::GCNRegPressure::getOccupancy ( const GCNSubtarget &  ST ) const

inline

Definition at line 52 of file GCNRegPressure.h.

References llvm::GCNSubtarget::getOccupancyWithNumSGPRs(), llvm::GCNSubtarget::getOccupancyWithNumVGPRs(), getSGPRNum(), getVGPRNum(), inc(), MRI, and Reg.

Referenced by getMopState(), higherOccupancy(), print(), and llvm::GCNScheduleDAGMILive::schedule().

getSGPRNum()

unsigned llvm::GCNRegPressure::getSGPRNum ( ) const

inline

Definition at line 46 of file GCNRegPressure.h.

References SGPR32.

Referenced by empty(), getMopState(), getOccupancy(), less(), and print().

getSGPRTuplesWeight()

unsigned llvm::GCNRegPressure::getSGPRTuplesWeight ( ) const

inline

Definition at line 50 of file GCNRegPressure.h.

References SGPR_TUPLE.

Referenced by less(), and print().

getVGPRNum()

unsigned llvm::GCNRegPressure::getVGPRNum ( ) const

inline

Definition at line 47 of file GCNRegPressure.h.

References VGPR32.

Referenced by empty(), getMopState(), getOccupancy(), less(), and print().

getVGPRTuplesWeight()

unsigned llvm::GCNRegPressure::getVGPRTuplesWeight ( ) const

inline

Definition at line 49 of file GCNRegPressure.h.

References VGPR_TUPLE.

Referenced by less(), and print().

higherOccupancy()

bool llvm::GCNRegPressure::higherOccupancy ( const GCNSubtarget &  ST, const GCNRegPressure &  O  ) const

inline

Definition at line 62 of file GCNRegPressure.h.

References getOccupancy(), less(), llvm::max(), llvm::RISCVFenceField::O, and llvm::ARM_MB::ST.

inc()

void GCNRegPressure::inc	(	unsigned	Reg,
		LaneBitmask	PrevMask,
		LaneBitmask	NewMask,
		const MachineRegisterInfo &	MRI
	)

Definition at line 95 of file GCNRegPressure.cpp.

References llvm::LaneBitmask::any(), assert(), llvm::MachineRegisterInfo::getMaxLaneMaskForVReg(), llvm::MachineRegisterInfo::getPressureSets(), llvm::PSetIterator::getWeight(), Kind, llvm_unreachable, llvm::LaneBitmask::none(), SGPR32, SGPR_TUPLE, std::swap(), VGPR32, and VGPR_TUPLE.

Referenced by getOccupancy(), and llvm::getRegPressure().

less()

bool GCNRegPressure::less	(	const GCNSubtarget &	ST,
		const GCNRegPressure &	O,
		unsigned	MaxOccupancy = std::numeric_limits<unsigned>::max()
	)		const

Definition at line 135 of file GCNRegPressure.cpp.

References llvm::GCNSubtarget::getOccupancyWithNumSGPRs(), llvm::GCNSubtarget::getOccupancyWithNumVGPRs(), getSGPRNum(), getSGPRTuplesWeight(), getVGPRNum(), getVGPRTuplesWeight(), I, and LLVM_DUMP_METHOD.

Referenced by higherOccupancy(), and llvm::GCNIterativeScheduler::sortRegionsByPressure().

operator!=()

bool llvm::GCNRegPressure::operator!= ( const GCNRegPressure &  O ) const

inline

Definition at line 73 of file GCNRegPressure.h.

References llvm::RISCVFenceField::O, and print().

operator==()

bool llvm::GCNRegPressure::operator== ( const GCNRegPressure &  O ) const

inline

Definition at line 69 of file GCNRegPressure.h.

References llvm::lltok::equal, and TOTAL_KINDS.

print()

LLVM_DUMP_METHOD void GCNRegPressure::print	(	raw_ostream &	OS,
		const GCNSubtarget *	ST = nullptr
	)		const

Definition at line 181 of file GCNRegPressure.cpp.

References getOccupancy(), llvm::GCNSubtarget::getOccupancyWithNumSGPRs(), llvm::GCNSubtarget::getOccupancyWithNumVGPRs(), getSGPRNum(), getSGPRTuplesWeight(), getVGPRNum(), and getVGPRTuplesWeight().

Referenced by dump(), operator!=(), printLivenessInfo(), llvm::GCNIterativeScheduler::printSchedRP(), llvm::GCNScheduleDAGMILive::schedule(), and llvm::GCNIterativeScheduler::scheduleRegion().

Friends And Related Function Documentation

max

GCNRegPressure max ( const GCNRegPressure &  P1, const GCNRegPressure &  P2  )

friend

Definition at line 89 of file GCNRegPressure.h.

Referenced by llvm::GCNDownwardRPTracker::advanceBeforeNext(), llvm::GCNDownwardRPTracker::advanceToNext(), dump(), and llvm::GCNUpwardRPTracker::recede().

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

• lib/Target/AMDGPU/GCNRegPressure.h
• lib/Target/AMDGPU/GCNRegPressure.cpp