Classes
struct	AllocaInfo

struct	StackInfo

class	StackInfoBuilder

Enumerations
enum class	AllocaInterestingness { kUninteresting , kSafe , kInteresting }

Functions
bool	forAllReachableExits (const DominatorTree &DT, const PostDominatorTree &PDT, const LoopInfo &LI, const Instruction Start, const SmallVectorImpl< IntrinsicInst > &Ends, const SmallVectorImpl< Instruction * > &RetVec, llvm::function_ref< void(Instruction *)> Callback)

bool	isStandardLifetime (const SmallVectorImpl< IntrinsicInst * > &LifetimeStart, const SmallVectorImpl< IntrinsicInst * > &LifetimeEnd, const DominatorTree DT, const LoopInfo LI, size_t MaxLifetimes)

Instruction *	getUntagLocationIfFunctionExit (Instruction &Inst)

uint64_t	getAllocaSizeInBytes (const AllocaInst &AI)

void	alignAndPadAlloca (memtag::AllocaInfo &Info, llvm::Align Align)

bool	isLifetimeIntrinsic (Value *V)

Value *	readRegister (IRBuilder<> &IRB, StringRef Name)

Value *	getFP (IRBuilder<> &IRB)

Value *	getPC (const Triple &TargetTriple, IRBuilder<> &IRB)

Value *	getAndroidSlotPtr (IRBuilder<> &IRB, int Slot)

void	annotateDebugRecords (AllocaInfo &Info, unsigned int Tag)

Value *	incrementThreadLong (IRBuilder<> &IRB, Value *ThreadLong, unsigned int Inc)

static DbgAssignIntrinsic *	DynCastToDbgAssign (DbgVariableIntrinsic *DVI)

static DbgVariableRecord *	DynCastToDbgAssign (DbgVariableRecord *DVR)

Enumeration Type Documentation

◆ AllocaInterestingness

enum class llvm::memtag::AllocaInterestingness

strong

Enumerator
kUninteresting
kSafe
kInteresting

Definition at line 68 of file MemoryTaggingSupport.h.

Function Documentation

◆ alignAndPadAlloca()

void llvm::memtag::alignAndPadAlloca	(	memtag::AllocaInfo &	Info,
		llvm::Align	Align
	)

Definition at line 226 of file MemoryTaggingSupport.cpp.

References llvm::alignTo(), llvm::StructType::get(), llvm::ArrayType::get(), getAllocaSizeInBytes(), llvm::Type::getInt8Ty(), Info, and Size.

◆ annotateDebugRecords()

void llvm::memtag::annotateDebugRecords	(	AllocaInfo &	Info,
		unsigned int	Tag
	)

Definition at line 314 of file MemoryTaggingSupport.cpp.

References llvm::DIExpression::appendOpsToArg(), llvm::dwarf::DW_OP_LLVM_tag_offset, DynCastToDbgAssign(), llvm::for_each(), Info, llvm::DIExpression::prependOpcodes(), and llvm::Tag.

◆ DynCastToDbgAssign() [1/2]

static DbgAssignIntrinsic * llvm::memtag::DynCastToDbgAssign ( DbgVariableIntrinsic * DVI )

static

Definition at line 306 of file MemoryTaggingSupport.cpp.

Referenced by annotateDebugRecords().

◆ DynCastToDbgAssign() [2/2]

static DbgVariableRecord * llvm::memtag::DynCastToDbgAssign ( DbgVariableRecord * DVR )

static

Definition at line 310 of file MemoryTaggingSupport.cpp.

References llvm::DbgVariableRecord::isDbgAssign().

◆ forAllReachableExits()

bool llvm::memtag::forAllReachableExits	(	const DominatorTree &	DT,
		const PostDominatorTree &	PDT,
		const LoopInfo &	LI,
		const Instruction *	Start,
		const SmallVectorImpl< IntrinsicInst * > &	Ends,
		const SmallVectorImpl< Instruction * > &	RetVec,
		llvm::function_ref< void(Instruction *)>	Callback
	)

Definition at line 48 of file MemoryTaggingSupport.cpp.

References llvm::SmallPtrSetImpl< PtrType >::contains(), llvm::PostDominatorTree::dominates(), End, llvm::for_each(), llvm::SmallPtrSetImpl< PtrType >::insert(), llvm::isPotentiallyReachable(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::SmallVectorBase< Size_T >::size().

◆ getAllocaSizeInBytes()

uint64_t llvm::memtag::getAllocaSizeInBytes ( const AllocaInst & AI )

Definition at line 221 of file MemoryTaggingSupport.cpp.

References DL, llvm::AllocaInst::getAllocationSize(), and llvm::Instruction::getDataLayout().

Referenced by alignAndPadAlloca(), and llvm::memtag::StackInfoBuilder::getAllocaInterestingness().

◆ getAndroidSlotPtr()

Value * llvm::memtag::getAndroidSlotPtr	(	IRBuilder<> &	IRB,
		int	Slot
	)

Definition at line 296 of file MemoryTaggingSupport.cpp.

References llvm::IRBuilderBase::CreateCall(), llvm::IRBuilderBase::CreateConstGEP1_32(), llvm::IRBuilderBase::GetInsertBlock(), llvm::IRBuilderBase::getInt8Ty(), llvm::Intrinsic::getOrInsertDeclaration(), llvm::GlobalValue::getParent(), and llvm::BasicBlock::getParent().

◆ getFP()

Value * llvm::memtag::getFP ( IRBuilder<> & IRB )

Definition at line 286 of file MemoryTaggingSupport.cpp.

References llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreatePtrToInt(), F, llvm::IRBuilderBase::GetInsertBlock(), llvm::IRBuilderBase::getIntPtrTy(), llvm::BasicBlock::getParent(), and llvm::IRBuilderBase::getPtrTy().

◆ getPC()

Value * llvm::memtag::getPC	(	const Triple &	TargetTriple,
		IRBuilder<> &	IRB
	)

Definition at line 278 of file MemoryTaggingSupport.cpp.

References llvm::Triple::aarch64, llvm::IRBuilderBase::CreatePtrToInt(), llvm::Triple::getArch(), llvm::IRBuilderBase::GetInsertBlock(), llvm::IRBuilderBase::getIntPtrTy(), llvm::GlobalValue::getParent(), llvm::BasicBlock::getParent(), and readRegister().

◆ getUntagLocationIfFunctionExit()

Instruction * llvm::memtag::getUntagLocationIfFunctionExit ( Instruction & Inst )

Definition at line 102 of file MemoryTaggingSupport.cpp.

References llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent().

Referenced by llvm::memtag::StackInfoBuilder::visit().

◆ incrementThreadLong()

Value * llvm::memtag::incrementThreadLong	(	IRBuilder<> &	IRB,
		Value *	ThreadLong,
		unsigned int	Inc
	)

Definition at line 338 of file MemoryTaggingSupport.cpp.

References assert(), llvm::IRBuilderBase::CreateAdd(), llvm::IRBuilderBase::CreateAnd(), llvm::IRBuilderBase::CreateAShr(), llvm::IRBuilderBase::CreateShl(), llvm::IRBuilderBase::CreateXor(), and llvm::Value::getType().

◆ isLifetimeIntrinsic()

bool llvm::memtag::isLifetimeIntrinsic ( Value * V )

Definition at line 264 of file MemoryTaggingSupport.cpp.

References II.

◆ isStandardLifetime()

bool llvm::memtag::isStandardLifetime	(	const SmallVectorImpl< IntrinsicInst * > &	LifetimeStart,
		const SmallVectorImpl< IntrinsicInst * > &	LifetimeEnd,
		const DominatorTree *	DT,
		const LoopInfo *	LI,
		size_t	MaxLifetimes
	)

Definition at line 89 of file MemoryTaggingSupport.cpp.

References llvm::SmallVectorBase< Size_T >::size().

◆ readRegister()

Value * llvm::memtag::readRegister	(	IRBuilder<> &	IRB,
		StringRef	Name
	)

Definition at line 269 of file MemoryTaggingSupport.cpp.

References llvm::IRBuilderBase::CreateIntrinsic(), llvm::MDNode::get(), llvm::MetadataAsValue::get(), llvm::IRBuilderBase::GetInsertBlock(), llvm::IRBuilderBase::getIntPtrTy(), llvm::GlobalValue::getParent(), and llvm::BasicBlock::getParent().

Referenced by getPC().

Classes

Enumerations

Functions