llvm::GCNRPTracker Class Reference

#include "Target/AMDGPU/GCNRegPressure.h"

Inheritance diagram for llvm::GCNRPTracker:

Collaboration diagram for llvm::GCNRPTracker:

Public Types
using	LiveRegSet = DenseMap< unsigned, LaneBitmask >

Public Member Functions
const decltype(LiveRegs) &	getLiveRegs () const
const MachineInstr *	getLastTrackedMI () const
void	clearMaxPressure ()
decltype(MaxPressure)	moveMaxPressure ()
decltype(LiveRegs)	moveLiveRegs ()

Static Public Member Functions
static void	printLiveRegs (raw_ostream &OS, const LiveRegSet &LiveRegs, const MachineRegisterInfo &MRI)

Protected Member Functions
	GCNRPTracker (const LiveIntervals &LIS_)
void	reset (const MachineInstr &MI, const LiveRegSet *LiveRegsCopy, bool After)

Protected Attributes
const LiveIntervals &	LIS
LiveRegSet	LiveRegs
GCNRegPressure	CurPressure
GCNRegPressure	MaxPressure
const MachineInstr *	LastTrackedMI = nullptr
const MachineRegisterInfo *	MRI = nullptr

Detailed Description

Definition at line 107 of file GCNRegPressure.h.

Member Typedef Documentation

LiveRegSet

using llvm::GCNRPTracker::LiveRegSet = DenseMap<unsigned, LaneBitmask>

Definition at line 109 of file GCNRegPressure.h.

Constructor & Destructor Documentation

GCNRPTracker()

llvm::GCNRPTracker::GCNRPTracker ( const LiveIntervals &  LIS_ )

inlineprotected

Definition at line 118 of file GCNRegPressure.h.

Member Function Documentation

clearMaxPressure()

void llvm::GCNRPTracker::clearMaxPressure ( )

inline

Definition at line 128 of file GCNRegPressure.h.

References llvm::GCNRegPressure::clear(), and MaxPressure.

getLastTrackedMI()

const MachineInstr* llvm::GCNRPTracker::getLastTrackedMI ( ) const

inline

Definition at line 126 of file GCNRegPressure.h.

References LastTrackedMI.

getLiveRegs()

const decltype(LiveRegs) & llvm::GCNRPTracker::getLiveRegs ( ) const

inline

Definition at line 125 of file GCNRegPressure.h.

References LiveRegs.

moveLiveRegs()

decltype(LiveRegs) llvm::GCNRPTracker::moveLiveRegs ( )

inline

Definition at line 137 of file GCNRegPressure.h.

References LiveRegs, and move.

moveMaxPressure()

decltype(MaxPressure) llvm::GCNRPTracker::moveMaxPressure ( )

inline

Definition at line 131 of file GCNRegPressure.h.

References llvm::GCNRegPressure::clear(), and MaxPressure.

printLiveRegs()

void GCNRPTracker::printLiveRegs ( raw_ostream &  OS, const LiveRegSet &  LiveRegs, const MachineRegisterInfo &  MRI  )

static

Definition at line 486 of file GCNRegPressure.cpp.

References E, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), llvm::MachineRegisterInfo::getNumVirtRegs(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), I, llvm::Register::index2VirtReg(), LiveRegs, MRI, llvm::PrintLaneMask(), llvm::printVRegOrUnit(), and TRI.

Referenced by llvm::GCNScheduleDAGMILive::schedule().

reset()

void GCNRPTracker::reset ( const MachineInstr &  MI, const LiveRegSet *  LiveRegsCopy, bool  After  )

protected

Definition at line 278 of file GCNRegPressure.cpp.

References CurPressure, llvm::getLiveRegsAfter(), llvm::getLiveRegsBefore(), llvm::MachineFunction::getRegInfo(), llvm::getRegPressure(), LIS, LiveRegs, MaxPressure, MI, and MRI.

Referenced by llvm::GCNUpwardRPTracker::reset(), and llvm::GCNDownwardRPTracker::reset().

Member Data Documentation

CurPressure

GCNRegPressure llvm::GCNRPTracker::CurPressure

protected

Definition at line 114 of file GCNRegPressure.h.

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

LastTrackedMI

const MachineInstr* llvm::GCNRPTracker::LastTrackedMI = nullptr

protected

Definition at line 115 of file GCNRegPressure.h.

Referenced by llvm::GCNDownwardRPTracker::advance(), llvm::GCNDownwardRPTracker::advanceToNext(), getLastTrackedMI(), llvm::GCNUpwardRPTracker::recede(), and llvm::GCNDownwardRPTracker::reset().

LIS

const LiveIntervals& llvm::GCNRPTracker::LIS

protected

Definition at line 112 of file GCNRegPressure.h.

Referenced by llvm::GCNDownwardRPTracker::advanceBeforeNext(), llvm::GCNUpwardRPTracker::isValid(), llvm::GCNUpwardRPTracker::recede(), and reset().

LiveRegs

LiveRegSet llvm::GCNRPTracker::LiveRegs

protected

Definition at line 113 of file GCNRegPressure.h.

Referenced by llvm::GCNDownwardRPTracker::advanceBeforeNext(), llvm::GCNDownwardRPTracker::advanceToNext(), getLiveRegs(), llvm::GCNUpwardRPTracker::isValid(), moveLiveRegs(), printLiveRegs(), llvm::GCNUpwardRPTracker::recede(), and reset().

MaxPressure

GCNRegPressure llvm::GCNRPTracker::MaxPressure

protected

Definition at line 114 of file GCNRegPressure.h.

Referenced by llvm::GCNDownwardRPTracker::advanceBeforeNext(), llvm::GCNDownwardRPTracker::advanceToNext(), clearMaxPressure(), moveMaxPressure(), llvm::GCNUpwardRPTracker::recede(), and reset().

MRI

const MachineRegisterInfo* llvm::GCNRPTracker::MRI = nullptr

mutableprotected

Definition at line 116 of file GCNRegPressure.h.

Referenced by llvm::GCNDownwardRPTracker::advanceBeforeNext(), llvm::GCNDownwardRPTracker::advanceToNext(), llvm::GCNUpwardRPTracker::isValid(), printLiveRegs(), llvm::GCNUpwardRPTracker::recede(), reset(), and llvm::GCNDownwardRPTracker::reset().

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

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