llvm::GCNRegPressure Struct Reference

#include "Target/AMDGPU/GCNRegPressure.h"

Public Types
enum	RegKind {   SGPR32 , SGPR_TUPLE , VGPR32 , VGPR_TUPLE ,   AGPR32 , AGPR_TUPLE , TOTAL_KINDS }

Public Member Functions
	GCNRegPressure ()
bool	empty () const
void	clear ()
unsigned	getSGPRNum () const
unsigned	getVGPRNum (bool UnifiedVGPRFile) const
unsigned	getAGPRNum () 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	dump () const

Friends
GCNRegPressure	max (const GCNRegPressure &P1, const GCNRegPressure &P2)
Printable	print (const GCNRegPressure &RP, const GCNSubtarget *ST)

Detailed Description

Definition at line 30 of file GCNRegPressure.h.

Member Enumeration Documentation

RegKind

enum llvm::GCNRegPressure::RegKind

Enumerator
SGPR32
SGPR_TUPLE
VGPR32
VGPR_TUPLE
AGPR32
AGPR_TUPLE
TOTAL_KINDS

Definition at line 31 of file GCNRegPressure.h.

Constructor & Destructor Documentation

GCNRegPressure()

llvm::GCNRegPressure::GCNRegPressure ( )

inline

Definition at line 41 of file GCNRegPressure.h.

References clear().

Member Function Documentation

clear()

void llvm::GCNRegPressure::clear ( )

inline

Definition at line 47 of file GCNRegPressure.h.

References TOTAL_KINDS.

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

dump()

void GCNRegPressure::dump

(

)

const

Definition at line 494 of file GCNRegPressure.cpp.

References llvm::dbgs(), and print.

empty()

bool llvm::GCNRegPressure::empty ( ) const

inline

Definition at line 45 of file GCNRegPressure.h.

References getSGPRNum(), and getVGPRNum().

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

getAGPRNum()

unsigned llvm::GCNRegPressure::getAGPRNum ( ) const

inline

Definition at line 57 of file GCNRegPressure.h.

References AGPR32.

Referenced by llvm::GCNSchedStage::checkScheduling().

getOccupancy()

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

inline

Definition at line 63 of file GCNRegPressure.h.

References getSGPRNum(), and getVGPRNum().

Referenced by llvm::GCNSchedStage::checkScheduling(), higherOccupancy(), llvm::GCNSchedStage::revertScheduling(), and llvm::UnclusteredHighRPStage::shouldRevertScheduling().

getSGPRNum()

unsigned llvm::GCNRegPressure::getSGPRNum ( ) const

inline

Definition at line 49 of file GCNRegPressure.h.

References SGPR32.

Referenced by llvm::GCNSchedStage::checkScheduling(), empty(), getOccupancy(), and less().

getSGPRTuplesWeight()

unsigned llvm::GCNRegPressure::getSGPRTuplesWeight ( ) const

inline

Definition at line 61 of file GCNRegPressure.h.

References SGPR_TUPLE.

Referenced by less().

getVGPRNum()

unsigned llvm::GCNRegPressure::getVGPRNum ( bool  UnifiedVGPRFile ) const

inline

Definition at line 50 of file GCNRegPressure.h.

References AGPR32, llvm::alignTo(), and VGPR32.

Referenced by llvm::GCNSchedStage::checkScheduling(), empty(), getOccupancy(), and less().

getVGPRTuplesWeight()

unsigned llvm::GCNRegPressure::getVGPRTuplesWeight ( ) const

inline

Definition at line 59 of file GCNRegPressure.h.

References AGPR_TUPLE, and VGPR_TUPLE.

Referenced by less().

higherOccupancy()

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

inline

Definition at line 73 of file GCNRegPressure.h.

References getOccupancy().

inc()

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

Definition at line 50 of file GCNRegPressure.cpp.

References AGPR32, AGPR_TUPLE, assert(), llvm::SIRegisterInfo::getNumCoveredRegs(), llvm_unreachable, MRI, llvm::LaneBitmask::none(), SGPR32, SGPR_TUPLE, std::swap(), TRI, VGPR32, and VGPR_TUPLE.

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

less()

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

Definition at line 91 of file GCNRegPressure.cpp.

References getSGPRNum(), getSGPRTuplesWeight(), getVGPRNum(), getVGPRTuplesWeight(), and I.

Referenced by llvm::GCNSchedStage::mayCauseSpilling().

operator!=()

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

inline

Definition at line 84 of file GCNRegPressure.h.

operator==()

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

inline

Definition at line 80 of file GCNRegPressure.h.

References TOTAL_KINDS.

Friends And Related Function Documentation

max

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

friend

Definition at line 101 of file GCNRegPressure.h.

print

Printable print ( const GCNRegPressure &  RP, const GCNSubtarget *  ST  )

friend

Referenced by dump().

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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