llvm::memtag Namespace Reference

Classes
struct	AllocaInfo
struct	StackInfo
class	StackInfoBuilder

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)

Function Documentation

alignAndPadAlloca()

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

Definition at line 203 of file MemoryTaggingSupport.cpp.

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

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 47 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 198 of file MemoryTaggingSupport.cpp.

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

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

getAndroidSlotPtr()

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

Definition at line 276 of file MemoryTaggingSupport.cpp.

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

getFP()

Value * llvm::memtag::getFP

(

IRBuilder<> &

IRB

)

Definition at line 264 of file MemoryTaggingSupport.cpp.

References llvm::IRBuilderBase::CreateCall(), llvm::IRBuilderBase::CreatePtrToInt(), F, llvm::Intrinsic::getDeclaration(), 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 256 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 101 of file MemoryTaggingSupport.cpp.

References llvm::Instruction::getParent(), and llvm::BasicBlock::getTerminatingMustTailCall().

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

isLifetimeIntrinsic()

bool llvm::memtag::isLifetimeIntrinsic

(

Value *

V

)

Definition at line 241 of file MemoryTaggingSupport.cpp.

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 88 of file MemoryTaggingSupport.cpp.

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

readRegister()

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

Definition at line 246 of file MemoryTaggingSupport.cpp.

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

Referenced by getPC().