llvm::PressureDiffs Class Reference

Array of PressureDiffs. More...

#include "llvm/CodeGen/RegisterPressure.h"

Public Member Functions
	PressureDiffs ()=default
	~PressureDiffs ()
void	clear ()
void	init (unsigned N)
	Initialize an array of N PressureDiffs. More...
PressureDiff &	operator[] (unsigned Idx)
const PressureDiff &	operator[] (unsigned Idx) const
void	addInstruction (unsigned Idx, const RegisterOperands &RegOpers, const MachineRegisterInfo &MRI)
	Record pressure difference induced by the given operand list to node with index Idx. More...

Detailed Description

Array of PressureDiffs.

Definition at line 201 of file RegisterPressure.h.

Constructor & Destructor Documentation

PressureDiffs()

llvm::PressureDiffs::PressureDiffs ( )

default

~PressureDiffs()

llvm::PressureDiffs::~PressureDiffs ( )

inline

Definition at line 208 of file RegisterPressure.h.

Member Function Documentation

addInstruction()

void PressureDiffs::addInstruction	(	unsigned	Idx,
		const RegisterOperands &	RegOpers,
		const MachineRegisterInfo &	MRI
	)

Record pressure difference induced by the given operand list to node with index Idx.

Definition at line 642 of file RegisterPressure.cpp.

References llvm::PressureDiff::addPressureChange(), assert(), llvm::PressureDiff::begin(), llvm::RegisterOperands::Defs, llvm::PressureChange::isValid(), P, llvm::RegisterMaskPair::RegUnit, and llvm::RegisterOperands::Uses.

Referenced by llvm::ScheduleDAGInstrs::buildSchedGraph().

clear()

void llvm::PressureDiffs::clear ( )

inline

Definition at line 210 of file RegisterPressure.h.

References llvm::cl::init(), and N.

init()

void PressureDiffs::init

(

unsigned

N

)

Initialize an array of N PressureDiffs.

Definition at line 631 of file RegisterPressure.cpp.

References llvm::Intrinsic::memset, N, llvm::safe_calloc(), and Size.

Referenced by llvm::ScheduleDAGInstrs::buildSchedGraph().

operator[]() [1/2]

PressureDiff& llvm::PressureDiffs::operator[] ( unsigned  Idx )

inline

Definition at line 214 of file RegisterPressure.h.

References assert().

operator[]() [2/2]

const PressureDiff& llvm::PressureDiffs::operator[] ( unsigned  Idx ) const

inline

Definition at line 218 of file RegisterPressure.h.

References MRI.

---

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

• include/llvm/CodeGen/RegisterPressure.h
• lib/CodeGen/RegisterPressure.cpp