llvm::LiveRegSet Struct Reference

A set of live virtual registers and physical register units. More...

#include <RegisterPressure.h>

Collaboration diagram for llvm::LiveRegSet:

Public Member Functions
bool	contains (unsigned Reg) const
bool	insert (unsigned Reg)
bool	erase (unsigned Reg)

Public Attributes
SparseSet< unsigned >	PhysRegs
SparseSet< unsigned, VirtReg2IndexFunctor >	VirtRegs

Detailed Description

A set of live virtual registers and physical register units.

Virtual and physical register numbers require separate sparse sets, but most of the RegisterPressureTracker handles them uniformly.

Definition at line 211 of file RegisterPressure.h.

Member Function Documentation

bool llvm::LiveRegSet::contains ( unsigned  Reg ) const

inline

Definition at line 215 of file RegisterPressure.h.

References llvm::SparseSet< ValueT, KeyFunctorT, SparseT >::count(), llvm::TargetRegisterInfo::isVirtualRegister(), PhysRegs, and VirtRegs.

Referenced by llvm::RegPressureTracker::advance(), llvm::RegPressureTracker::bumpUpwardPressure(), llvm::RegPressureTracker::discoverLiveIn(), llvm::RegPressureTracker::discoverLiveOut(), and llvm::RegPressureTracker::recede().

bool llvm::LiveRegSet::erase ( unsigned  Reg )

inline

Definition at line 227 of file RegisterPressure.h.

References llvm::SparseSet< ValueT, KeyFunctorT, SparseT >::erase(), llvm::TargetRegisterInfo::isVirtualRegister(), PhysRegs, and VirtRegs.

Referenced by llvm::RegPressureTracker::advance(), and llvm::RegPressureTracker::recede().

bool llvm::LiveRegSet::insert ( unsigned  Reg )

inline

Definition at line 221 of file RegisterPressure.h.

References llvm::SparseSet< ValueT, KeyFunctorT, SparseT >::insert(), llvm::TargetRegisterInfo::isVirtualRegister(), PhysRegs, and VirtRegs.

Referenced by llvm::RegPressureTracker::addLiveRegs(), llvm::RegPressureTracker::advance(), and llvm::RegPressureTracker::recede().

Member Data Documentation

SparseSet<unsigned> llvm::LiveRegSet::PhysRegs

Definition at line 212 of file RegisterPressure.h.

Referenced by llvm::RegPressureTracker::closeBottom(), llvm::RegPressureTracker::closeRegion(), llvm::RegPressureTracker::closeTop(), contains(), erase(), llvm::RegPressureTracker::init(), insert(), and llvm::RegPressureTracker::reset().

SparseSet<unsigned, VirtReg2IndexFunctor> llvm::LiveRegSet::VirtRegs

Definition at line 213 of file RegisterPressure.h.

Referenced by llvm::RegPressureTracker::closeBottom(), llvm::RegPressureTracker::closeRegion(), llvm::RegPressureTracker::closeTop(), contains(), erase(), llvm::RegPressureTracker::init(), insert(), and llvm::RegPressureTracker::reset().

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

• RegisterPressure.h