llvm::LiveDebugVariables::LDVImpl Class Reference

Public Member Functions
	LDVImpl (LiveIntervals *LIS)
bool	runOnMachineFunction (MachineFunction &mf, bool InstrRef)
void	clear ()
	Release all memory.
void	mapVirtReg (Register VirtReg, UserValue *EC)
	Map virtual register to an equivalence class.
void	splitPHIRegister (Register OldReg, ArrayRef< Register > NewRegs)
	Replace any PHI referring to OldReg with its corresponding NewReg, if present.
void	splitRegister (Register OldReg, ArrayRef< Register > NewRegs)
	Replace all references to OldReg with NewRegs.
void	emitDebugValues (VirtRegMap *VRM)
	Recreate DBG_VALUE instruction from data structures.
void	print (raw_ostream &)

Detailed Description

Definition at line 539 of file LiveDebugVariables.cpp.

Constructor & Destructor Documentation

LDVImpl()

llvm::LiveDebugVariables::LDVImpl::LDVImpl ( LiveIntervals * LIS )

inline

Definition at line 643 of file LiveDebugVariables.cpp.

Member Function Documentation

clear()

void llvm::LiveDebugVariables::LDVImpl::clear ( )

inline

Release all memory.

Definition at line 648 of file LiveDebugVariables.cpp.

References assert().

Referenced by runOnMachineFunction().

emitDebugValues()

void LiveDebugVariables::LDVImpl::emitDebugValues

(

VirtRegMap *

VRM

)

Recreate DBG_VALUE instruction from data structures.

Definition at line 1857 of file LiveDebugVariables.cpp.

References assert(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::clear(), llvm::dbgs(), findInsertLocation(), llvm::VirtRegMap::getPhys(), llvm::VirtRegMap::getStackSlot(), llvm::VirtRegMap::hasPhys(), llvm::VirtRegMap::isAssignedReg(), LLVM_DEBUG, MBB, MI, MRI, llvm::VirtRegMap::NO_STACK_SLOT, llvm::printReg(), llvm::skipDebugInstructionsForward(), SubReg, llvm::Success, and TII.

mapVirtReg()

void LiveDebugVariables::LDVImpl::mapVirtReg	(	Register	VirtReg,
		UserValue *	EC )

Map virtual register to an equivalence class.

Definition at line 797 of file LiveDebugVariables.cpp.

References assert(), and llvm::Register::isVirtual().

Referenced by splitRegister().

print()

void LiveDebugVariables::LDVImpl::print

(

raw_ostream &

OS

)

Definition at line 767 of file LiveDebugVariables.cpp.

Referenced by llvm::LiveDebugVariablesPrinterPass::run().

runOnMachineFunction()

bool LiveDebugVariables::LDVImpl::runOnMachineFunction	(	MachineFunction &	mf,
		bool	InstrRef )

Definition at line 1274 of file LiveDebugVariables.cpp.

References Changed, clear(), llvm::dbgs(), llvm::SlotIndexes::getMBBStartIdx(), llvm::MachineFunction::getName(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), LLVM_DEBUG, MBB, llvm::LiveDebugVariables::print(), and SubReg.

splitPHIRegister()

void LiveDebugVariables::LDVImpl::splitPHIRegister	(	Register	OldReg,
		ArrayRef< Register >	NewRegs )

Replace any PHI referring to OldReg with its corresponding NewReg, if present.

Definition at line 1493 of file LiveDebugVariables.cpp.

References assert(), llvm::LiveRange::end(), and llvm::LiveRange::find().

Referenced by splitRegister().

splitRegister()

void LiveDebugVariables::LDVImpl::splitRegister	(	Register	OldReg,
		ArrayRef< Register >	NewRegs )

Replace all references to OldReg with NewRegs.

Definition at line 1532 of file LiveDebugVariables.cpp.

References mapVirtReg(), and splitPHIRegister().

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

• lib/CodeGen/LiveDebugVariables.cpp