LLVM  6.0.0svn
Public Member Functions | Static Public Attributes | List of all members
llvm::LiveDebugVariables Class Reference

#include "CodeGen/LiveDebugVariables.h"

Inheritance diagram for llvm::LiveDebugVariables:
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Collaboration diagram for llvm::LiveDebugVariables:
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Public Member Functions

 LiveDebugVariables ()
 
 ~LiveDebugVariables () override
 
void renameRegister (unsigned OldReg, unsigned NewReg, unsigned SubIdx)
 renameRegister - Move any user variables in OldReg to NewReg:SubIdx. More...
 
void splitRegister (unsigned OldReg, ArrayRef< unsigned > NewRegs, LiveIntervals &LIS)
 splitRegister - Move any user variables in OldReg to the live ranges in NewRegs where they are live. More...
 
void emitDebugValues (VirtRegMap *VRM)
 emitDebugValues - Emit new DBG_VALUE instructions reflecting the changes that happened during register allocation. More...
 
void dump () const
 dump - Print data structures to dbgs(). More...
 
- Public Member Functions inherited from llvm::FunctionPass
 FunctionPass (char &pid)
 
PasscreatePrinterPass (raw_ostream &OS, const std::string &Banner) const override
 createPrinterPass - Get a function printer pass. More...
 
void assignPassManager (PMStack &PMS, PassManagerType T) override
 Find appropriate Function Pass Manager or Call Graph Pass Manager in the PM Stack and add self into that manager. More...
 
PassManagerType getPotentialPassManagerType () const override
 Return what kind of Pass Manager can manage this pass. More...
 
- Public Member Functions inherited from llvm::Pass
 Pass (PassKind K, char &pid)
 
 Pass (const Pass &)=delete
 
Passoperator= (const Pass &)=delete
 
virtual ~Pass ()
 
PassKind getPassKind () const
 
virtual StringRef getPassName () const
 getPassName - Return a nice clean name for a pass. More...
 
AnalysisID getPassID () const
 getPassID - Return the PassID number that corresponds to this pass. More...
 
virtual bool doFinalization (Module &)
 doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes have run. More...
 
virtual void print (raw_ostream &OS, const Module *M) const
 print - Print out the internal state of the pass. More...
 
void dump () const
 
virtual void preparePassManager (PMStack &)
 Check if available pass managers are suitable for this pass or not. More...
 
void setResolver (AnalysisResolver *AR)
 
AnalysisResolvergetResolver () const
 
virtual void * getAdjustedAnalysisPointer (AnalysisID ID)
 getAdjustedAnalysisPointer - This method is used when a pass implements an analysis interface through multiple inheritance. More...
 
virtual ImmutablePassgetAsImmutablePass ()
 
virtual PMDataManagergetAsPMDataManager ()
 
virtual void verifyAnalysis () const
 verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information. More...
 
virtual void dumpPassStructure (unsigned Offset=0)
 
template<typename AnalysisType >
AnalysisType * getAnalysisIfAvailable () const
 getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it. More...
 
bool mustPreserveAnalysisID (char &AID) const
 mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID. More...
 
template<typename AnalysisType >
AnalysisType & getAnalysis () const
 getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function. More...
 
template<typename AnalysisType >
AnalysisType & getAnalysis (Function &F)
 getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function. More...
 
template<typename AnalysisType >
AnalysisType & getAnalysisID (AnalysisID PI) const
 
template<typename AnalysisType >
AnalysisType & getAnalysisID (AnalysisID PI, Function &F)
 

Static Public Attributes

static char ID = 0
 

Additional Inherited Members

- Static Public Member Functions inherited from llvm::Pass
static const PassInfolookupPassInfo (const void *TI)
 
static const PassInfolookupPassInfo (StringRef Arg)
 
static PasscreatePass (AnalysisID ID)
 
- Protected Member Functions inherited from llvm::MachineFunctionPass
 MachineFunctionPass (char &ID)
 
virtual MachineFunctionProperties getRequiredProperties () const
 
virtual MachineFunctionProperties getSetProperties () const
 
virtual MachineFunctionProperties getClearedProperties () const
 
- Protected Member Functions inherited from llvm::FunctionPass
bool skipFunction (const Function &F) const
 Optional passes call this function to check whether the pass should be skipped. More...
 

Detailed Description

Definition at line 33 of file LiveDebugVariables.h.

Constructor & Destructor Documentation

◆ LiveDebugVariables()

LiveDebugVariables::LiveDebugVariables ( )

◆ ~LiveDebugVariables()

LiveDebugVariables::~LiveDebugVariables ( )
override

Definition at line 850 of file LiveDebugVariables.cpp.

References llvm::LiveRange::advanceTo(), llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::advanceTo(), assert(), llvm::LiveRange::begin(), llvm::LiveRange::beginIndex(), DbgValueLocation::changeLocNo(), llvm::MachineOperand::CreateReg(), llvm::dbgs(), DEBUG, llvm::LiveRange::empty(), llvm::LiveRange::end(), llvm::IntervalMap< KeyT, ValT, N, Traits >::iterator::erase(), llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::find(), llvm::LiveIntervals::getInterval(), llvm::MachineOperand::getReg(), llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::goToBegin(), llvm::IntervalMap< KeyT, ValT, N, Traits >::iterator::insert(), llvm::MachineOperand::isReg(), DbgValueLocation::locNo(), llvm::Pass::print(), llvm::LiveInterval::reg, llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::setMap(), llvm::IntervalMap< KeyT, ValT, N, Traits >::iterator::setStartUnchecked(), llvm::IntervalMap< KeyT, ValT, N, Traits >::iterator::setStopUnchecked(), llvm::MachineOperand::setSubReg(), llvm::IntervalMap< KeyT, ValT, N, Traits >::iterator::setValue(), llvm::IntervalMap< KeyT, ValT, N, Traits >::iterator::setValueUnchecked(), llvm::ArrayRef< T >::size(), splitRegister(), llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::start(), llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::stop(), UndefLocNo, llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::valid(), and llvm::IntervalMap< KeyT, ValT, N, Traits >::const_iterator::value().

Member Function Documentation

◆ dump()

LLVM_DUMP_METHOD void LiveDebugVariables::dump ( ) const

dump - Print data structures to dbgs().

Definition at line 1222 of file LiveDebugVariables.cpp.

References llvm::dbgs(), and llvm::Pass::print().

◆ emitDebugValues()

void LiveDebugVariables::emitDebugValues ( VirtRegMap VRM)

emitDebugValues - Emit new DBG_VALUE instructions reflecting the changes that happened during register allocation.

Parameters
VRMRename virtual registers according to map.

Definition at line 1212 of file LiveDebugVariables.cpp.

References llvm::Pass::doInitialization().

◆ renameRegister()

void llvm::LiveDebugVariables::renameRegister ( unsigned  OldReg,
unsigned  NewReg,
unsigned  SubIdx 
)

renameRegister - Move any user variables in OldReg to NewReg:SubIdx.

Parameters
OldRegOld virtual register that is going away.
NewRegNew register holding the user variables.
SubIdxIf NewReg is a virtual register, SubIdx may indicate a sub- register.

◆ splitRegister()

void LiveDebugVariables::splitRegister ( unsigned  OldReg,
ArrayRef< unsigned NewRegs,
LiveIntervals LIS 
)

Member Data Documentation

◆ ID

char LiveDebugVariables::ID = 0
static

Definition at line 37 of file LiveDebugVariables.h.


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