MDNode - a tuple of other values. More...

#include <Metadata.h>

Inheritance diagram for llvm::MDNode:

Collaboration diagram for llvm::MDNode:

Public Member Functions
void	replaceOperandWith (unsigned i, Value *NewVal)
	replaceOperandWith - Replace a specific operand. More...

Value *	getOperand (unsigned i) const LLVM_READONLY
	getOperand - Return specified operand. More...

unsigned	getNumOperands () const
	getNumOperands - Return number of MDNode operands. More...

bool	isFunctionLocal () const
	isFunctionLocal - Return whether MDNode is local to a function. More...

const Function *	getFunction () const

void	Profile (FoldingSetNodeID &ID) const

bool	isTBAAVtableAccess () const
	Check whether MDNode is a vtable access. More...

Public Member Functions inherited from llvm::Value
virtual	~Value ()

void	dump () const
	dump - Support for debugging, callable in GDB: V->dump() More...

void	print (raw_ostream &O, AssemblyAnnotationWriter *AAW=0) const

Type *	getType () const

LLVMContext &	getContext () const
	All values hold a context through their type. More...

bool	hasName () const

ValueName *	getValueName () const

void	setValueName (ValueName *VN)

StringRef	getName () const

void	setName (const Twine &Name)

void	takeName (Value *V)

void	replaceAllUsesWith (Value *V)

bool	use_empty () const

use_iterator	use_begin ()

const_use_iterator	use_begin () const

use_iterator	use_end ()

const_use_iterator	use_end () const

User *	use_back ()

const User *	use_back () const

bool	hasOneUse () const

bool	hasNUses (unsigned N) const

bool	hasNUsesOrMore (unsigned N) const

bool	isUsedInBasicBlock (const BasicBlock *BB) const

unsigned	getNumUses () const

void	addUse (Use &U)

unsigned	getValueID () const

unsigned	getRawSubclassOptionalData () const

void	clearSubclassOptionalData ()

bool	hasSameSubclassOptionalData (const Value *V) const

void	intersectOptionalDataWith (const Value *V)

bool	hasValueHandle () const

Value *	stripPointerCasts ()
	Strips off any unneeded pointer casts, all-zero GEPs and aliases from the specified value, returning the original uncasted value. More...

const Value *	stripPointerCasts () const

Value *	stripPointerCastsNoFollowAliases ()
	Strips off any unneeded pointer casts and all-zero GEPs from the specified value, returning the original uncasted value. More...

const Value *	stripPointerCastsNoFollowAliases () const

Value *	stripInBoundsConstantOffsets ()
	Strips off unneeded pointer casts and all-constant GEPs from the specified value, returning the original pointer value. More...

const Value *	stripInBoundsConstantOffsets () const

Value *	stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset)
	Strips like `stripInBoundsConstantOffsets` but also accumulates the constant offset stripped. More...

const Value *	stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) const

Value *	stripInBoundsOffsets ()
	Strips off unneeded pointer casts and any in-bounds offsets from the specified value, returning the original pointer value. More...

const Value *	stripInBoundsOffsets () const

bool	isDereferenceablePointer () const

Value *	DoPHITranslation (const BasicBlock CurBB, const BasicBlock PredBB)

const Value *	DoPHITranslation (const BasicBlock CurBB, const BasicBlock PredBB) const

void	mutateType (Type *Ty)

Public Member Functions inherited from llvm::FoldingSetImpl::Node
	Node ()

void *	getNextInBucket () const

void	SetNextInBucket (void *N)

Static Public Member Functions
static MDNode *	get (LLVMContext &Context, ArrayRef< Value * > Vals)

static MDNode *	getWhenValsUnresolved (LLVMContext &Context, ArrayRef< Value * > Vals, bool isFunctionLocal)

static MDNode *	getIfExists (LLVMContext &Context, ArrayRef< Value * > Vals)

static MDNode *	getTemporary (LLVMContext &Context, ArrayRef< Value * > Vals)

static void	deleteTemporary (MDNode *N)

static bool	classof (const Value *V)
	Methods for support type inquiry through isa, cast, and dyn_cast: More...

static MDNode *	getMostGenericTBAA (MDNode A, MDNode B)
	Methods for metadata merging. More...

static MDNode *	getMostGenericFPMath (MDNode A, MDNode B)

static MDNode *	getMostGenericRange (MDNode A, MDNode B)

Friends
class	MDNodeOperand

class	LLVMContextImpl

struct	FoldingSetTrait< MDNode >

Additional Inherited Members
Public Types inherited from llvm::Value
enum	ValueTy { ArgumentVal, BasicBlockVal, FunctionVal, GlobalAliasVal, GlobalVariableVal, UndefValueVal, BlockAddressVal, ConstantExprVal, ConstantAggregateZeroVal, ConstantDataArrayVal, ConstantDataVectorVal, ConstantIntVal, ConstantFPVal, ConstantArrayVal, ConstantStructVal, ConstantVectorVal, ConstantPointerNullVal, MDNodeVal, MDStringVal, InlineAsmVal, PseudoSourceValueVal, FixedStackPseudoSourceValueVal, InstructionVal, ConstantFirstVal = FunctionVal, ConstantLastVal = ConstantPointerNullVal }

typedef value_use_iterator< User >	use_iterator

typedef value_use_iterator < const User >	const_use_iterator

Static Public Attributes inherited from llvm::Value
static const unsigned	MaximumAlignment = 1u << 29

Protected Member Functions inherited from llvm::Value
virtual void	printCustom (raw_ostream &O) const

	Value (Type *Ty, unsigned scid)

unsigned short	getSubclassDataFromValue () const

void	setValueSubclassData (unsigned short D)

Protected Attributes inherited from llvm::Value
unsigned char	SubclassOptionalData: 7

Detailed Description

MDNode - a tuple of other values.

Definition at line 69 of file Metadata.h.

Member Function Documentation

static bool llvm::MDNode::classof ( const Value * V )

inlinestatic

Methods for support type inquiry through isa, cast, and dyn_cast:

Definition at line 160 of file Metadata.h.

References llvm::Value::getValueID(), and llvm::Value::MDNodeVal.

void MDNode::deleteTemporary ( MDNode * N )

static

deleteTemporary - Deallocate a node created by getTemporary. The node must not have any users.

Definition at line 292 of file Metadata.cpp.

References llvm::Value::getContext(), llvm::Value::getSubclassDataFromValue(), llvm::LLVMContextImpl::MDNodeSet, llvm::LLVMContextImpl::NonUniquedMDNodes, llvm::LLVMContext::pImpl, llvm::LeakDetector::removeGarbageObject(), and llvm::Value::use_empty().

Referenced by llvm::BitcodeReaderMDValueList::AssignValue(), llvm::MDBuilder::createAnonymousTBAARoot(), llvm::MapValue(), and llvm::DIType::replaceAllUsesWith().

MDNode * MDNode::get	(	LLVMContext &	Context,
		ArrayRef< Value * >	Vals
	)

static

Definition at line 268 of file Metadata.cpp.

const Function * MDNode::getFunction ( ) const

Definition at line 190 of file Metadata.cpp.

References assertLocalFunction(), F(), getFunctionForValue(), getNumOperands(), getOperand(), and isFunctionLocal().

Referenced by llvm::ValueEnumerator::incorporateFunction(), and llvm::Value::print().

MDNode * MDNode::getIfExists	(	LLVMContext &	Context,
		ArrayRef< Value * >	Vals
	)

static

Definition at line 278 of file Metadata.cpp.

Referenced by llvm::FindAllocaDbgDeclare().

MDNode * MDNode::getMostGenericFPMath	(	MDNode *	A,
		MDNode *	B
	)

static

Definition at line 408 of file Metadata.cpp.

References llvm::APFloat::cmpLessThan, llvm::APFloat::compare(), and getOperand().

Referenced by patchReplacementInstruction().

MDNode * MDNode::getMostGenericRange	(	MDNode *	A,
		MDNode *	B
	)

static

Definition at line 454 of file Metadata.cpp.

References llvm::ARM_PROC::A, addRange(), get(), llvm::Value::getContext(), getNumOperands(), getOperand(), llvm::ConstantInt::getValue(), llvm::ConstantRange::isFullSet(), llvm::SmallVectorImpl< T >::resize(), llvm::SmallVectorTemplateCommon< T >::size(), llvm::APInt::slt(), and tryMergeRange().

Referenced by patchReplacementInstruction().

MDNode * MDNode::getMostGenericTBAA	(	MDNode *	A,
		MDNode *	B
	)

static

Methods for metadata merging.

Definition at line 556 of file TypeBasedAliasAnalysis.cpp.

References llvm::ARM_PROC::A, llvm::IntegerType::get(), llvm::ConstantInt::get(), get(), llvm::Value::getContext(), getNumOperands(), getOperand(), isStructPathTBAA(), llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), llvm::AArch64ISD::Ret, and llvm::SmallVectorTemplateCommon< T >::size().

Referenced by patchReplacementInstruction().

unsigned llvm::MDNode::getNumOperands ( ) const

inline

getNumOperands - Return number of MDNode operands.

Definition at line 142 of file Metadata.h.

Referenced by llvm::Module::addModuleFlag(), AppendMDNodeToSourcePtr(), assertLocalFunction(), cacheAnnotationFromMD(), llvm::cleanseInlinedVariable(), llvm::computeMaskedBitsLoad(), llvm::ConstantFoldTerminator(), llvm::DIBuilder::createArtificialType(), llvm::createInlinedVariable(), llvm::DIBuilder::createObjectPointerType(), llvm::MachineInstr::emitError(), llvm::TargetLoweringObjectFileMachO::emitModuleFlags(), llvm::TargetLoweringObjectFileCOFF::emitModuleFlags(), GetBranchWeights(), getField(), getFunction(), llvm::Loop::getLoopID(), getMostGenericRange(), getMostGenericTBAA(), getOperand(), llvm::Loop::isAnnotatedParallel(), isStructPathTBAA(), isTBAAVtableAccess(), LLVMGetMDNodeOperands(), Profile(), llvm::Loop::setLoopID(), llvm::UpgradeInstWithTBAATag(), VerifySubsetOf(), llvm::WriteConstantInternal(), WriteMDNode(), and llvm::WriteMDNodeComment().

Value * MDNode::getOperand ( unsigned i ) const

getOperand - Return specified operand.

Definition at line 307 of file Metadata.cpp.

References getNumOperands(), and getOperandPtr().

Referenced by llvm::Module::addModuleFlag(), AppendMDNodeToSourcePtr(), assertLocalFunction(), cacheAnnotationFromMD(), llvm::cleanseInlinedVariable(), llvm::computeMaskedBitsLoad(), llvm::ConstantFoldTerminator(), llvm::DIBuilder::createArtificialType(), llvm::createInlinedVariable(), llvm::DIBuilder::createObjectPointerType(), llvm::MachineInstr::emitError(), llvm::TargetLoweringObjectFileMachO::emitModuleFlags(), llvm::TargetLoweringObjectFileCOFF::emitModuleFlags(), llvm::FindAvailableLoadedValue(), GetBranchWeights(), getField(), llvm::FPMathOperator::getFPAccuracy(), getFunction(), llvm::Loop::getLoopID(), llvm::Module::getModuleFlagsMetadata(), getMostGenericFPMath(), getMostGenericRange(), getMostGenericTBAA(), HasBranchWeights(), llvm::Loop::isAnnotatedParallel(), isStructPathTBAA(), isTBAAVtableAccess(), LLVMGetMDNodeOperands(), llvm::MachineInstr::print(), Profile(), llvm::Loop::setLoopID(), llvm::DICompositeType::setTypeArray(), llvm::UpgradeInstWithTBAATag(), VerifySubsetOf(), WriteMDNode(), and llvm::WriteMDNodeComment().

MDNode * MDNode::getTemporary	(	LLVMContext &	Context,
		ArrayRef< Value * >	Vals
	)

static

getTemporary - Return a temporary MDNode, for use in constructing cyclic MDNode structures. A temporary MDNode is not uniqued, may be RAUW'd, and must be manually deleted with deleteTemporary.

Definition at line 282 of file Metadata.cpp.

References llvm::LeakDetector::addGarbageObject(), llvm::Value::getSubclassDataFromValue(), llvm::LibFunc::malloc, MDNodeOperand, N, and llvm::ArrayRef< T >::size().

Referenced by llvm::MDBuilder::createAnonymousTBAARoot(), llvm::DIBuilder::createCompileUnit(), llvm::DIBuilder::createForwardDecl(), llvm::DIBuilder::createFunction(), llvm::DIBuilder::createMethod(), llvm::BitcodeReaderMDValueList::getValueFwdRef(), and llvm::MapValue().