LLVM: llvm::PressureDiff Class Reference (original) (raw)

List of PressureChanges in order of increasing, unique PSetID. More...

#include "[llvm/CodeGen/RegisterPressure.h](RegisterPressure%5F8h%5Fsource.html)"

Public Types
using const_iterator = const PressureChange *
Public Member Functions
const_iterator begin () const
const_iterator end () const
LLVM_ABI void addPressureChange (VirtRegOrUnit VRegOrUnit, bool IsDec, const MachineRegisterInfo *MRI)
Add a change in pressure to the pressure diff of a given instruction.
LLVM_ABI void dump (const TargetRegisterInfo &TRI) const

Detailed Description

List of PressureChanges in order of increasing, unique PSetID.

Use a small fixed number, because we can fit more PressureChanges in an empty SmallVector than ever need to be tracked per register class. If more PSets are affected, then we only track the most constrained.

Definition at line 141 of file RegisterPressure.h.

Member Typedef Documentation

◆ const_iterator

using llvm::PressureDiff::const_iterator = const PressureChange *

Definition at line 155 of file RegisterPressure.h.

Member Function Documentation

◆ addPressureChange()

void PressureDiff::addPressureChange ( VirtRegOrUnit VRegOrUnit,
bool IsDec,
const MachineRegisterInfo * MRI )

Add a change in pressure to the pressure diff of a given instruction.

Definition at line 663 of file RegisterPressure.cpp.

References llvm::PSetIterator::getWeight(), I, llvm::PressureChange::isValid(), llvm::PSetIterator::isValid(), MRI, and std::swap().

Referenced by llvm::PressureDiffs::addInstruction(), and llvm::ScheduleDAGMILive::updatePressureDiffs().

◆ begin()

const_iterator llvm::PressureDiff::begin ( ) const inline

Definition at line 157 of file RegisterPressure.h.

Referenced by llvm::PressureDiffs::addInstruction(), and llvm::RegPressureTracker::getUpwardPressureDelta().

◆ dump()

LLVM_DUMP_METHOD void PressureDiff::dump ( const TargetRegisterInfo & TRI ) const

Definition at line 124 of file RegisterPressure.cpp.

References llvm::dbgs(), llvm::PressureChange::getPSet(), llvm::PressureChange::getUnitInc(), llvm::PressureChange::isValid(), and TRI.

Referenced by llvm::ScheduleDAGMILive::dump(), llvm::RegPressureTracker::getMaxUpwardPressureDelta(), and llvm::ScheduleDAGMILive::updatePressureDiffs().

◆ end()

const_iterator llvm::PressureDiff::end ( ) const inline

Definition at line 158 of file RegisterPressure.h.

Referenced by llvm::RegPressureTracker::getUpwardPressureDelta().

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