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.
Value *	getOperand (unsigned i) const LLVM_READONLY
	getOperand - Return specified operand.
unsigned	getNumOperands () const
	getNumOperands - Return number of MDNode operands.
bool	isFunctionLocal () const
	isFunctionLocal - Return whether MDNode is local to a function.
const Function *	getFunction () const
void	Profile (FoldingSetNodeID &ID) const
bool	isTBAAVtableAccess () const
	Check whether MDNode is a vtable access.
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:
static MDNode *	concatenate (MDNode A, MDNode B)
	Methods for metadata merging.
static MDNode *	intersect (MDNode A, MDNode B)
static MDNode *	getMostGenericTBAA (MDNode A, MDNode B)
static AAMDNodes	getMostGenericAA (const AAMDNodes &A, const AAMDNodes &B)
static MDNode *	getMostGenericFPMath (MDNode A, MDNode B)
static MDNode *	getMostGenericRange (MDNode A, MDNode B)
Friends
class	MDNodeOperand
class	LLVMContextImpl
struct	FoldingSetTrait< MDNode >

Detailed Description

MDNode - a tuple of other values.

Definition at line 126 of file Metadata.h.

Member Function Documentation

static bool llvm::MDNode::classof ( const Value * V ) [inline, static]

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

Definition at line 217 of file Metadata.h.

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

MDNode * MDNode::concatenate	(	MDNode *	A,
		MDNode *	B
	)		`[static]`

Methods for metadata merging.

Definition at line 409 of file Metadata.cpp.

References llvm::ARM_PROC::A, get(), llvm::Value::getContext(), getNumOperands(), and getOperand().

Referenced by AddAliasScopeMetadata(), and CloneAliasScopeMetadata().

void MDNode::deleteTemporary ( MDNode * N ) [static]

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

Definition at line 293 of file Metadata.cpp.

References llvm::SmallPtrSetImpl< PtrType >::erase(), llvm::Value::getContext(), llvm::Value::getSubclassDataFromValue(), llvm::LLVMContextImpl::MDNodeSet, llvm::LLVMContextImpl::NonUniquedMDNodes, llvm::LLVMContext::pImpl, llvm::LeakDetector::removeGarbageObject(), llvm::FoldingSetImpl::RemoveNode(), and llvm::Value::use_empty().

Referenced by llvm::BitcodeReaderMDValueList::AssignValue(), CloneAliasScopeMetadata(), llvm::MDBuilder::createAnonymousAARoot(), llvm::MapValue(), and llvm::DIDescriptor::replaceAllUsesWith().

MDNode * MDNode::get	(	LLVMContext &	Context,
		ArrayRef< Value * >	Vals
	)		`[static]`

Definition at line 269 of file Metadata.cpp.

const Function * MDNode::getFunction ( ) const

Definition at line 192 of file Metadata.cpp.

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

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

MDNode * MDNode::getIfExists	(	LLVMContext &	Context,
		ArrayRef< Value * >	Vals
	)		`[static]`

Definition at line 279 of file Metadata.cpp.

Referenced by llvm::FindAllocaDbgDeclare().

static AAMDNodes llvm::MDNode::getMostGenericAA	(	const AAMDNodes &	A,
		const AAMDNodes &	B
	)		`[static]`

MDNode * MDNode::getMostGenericFPMath	(	MDNode *	A,
		MDNode *	B
	)		`[static]`

Definition at line 444 of file Metadata.cpp.

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

Referenced by llvm::combineMetadata().

MDNode * MDNode::getMostGenericRange	(	MDNode *	A,
		MDNode *	B
	)		`[static]`

Definition at line 490 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, typename >::size(), llvm::APInt::slt(), and tryMergeRange().

Referenced by llvm::combineMetadata().

MDNode * MDNode::getMostGenericTBAA	(	MDNode *	A,
		MDNode *	B
	)		`[static]`

Definition at line 560 of file TypeBasedAliasAnalysis.cpp.

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

Referenced by llvm::combineMetadata(), and llvm::Instruction::getAAMetadata().

unsigned llvm::MDNode::getNumOperands ( ) const [inline]

getNumOperands - Return number of MDNode operands.

Definition at line 199 of file Metadata.h.

Referenced by llvm::Module::addModuleFlag(), AddOperand(), assertLocalFunction(), cacheAnnotationFromMD(), llvm::cleanseInlinedVariable(), CloneAliasScopeMetadata(), llvm::computeKnownBitsFromRangeMetadata(), concatenate(), 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(), llvm::DIVariable::getNumAddrElements(), llvm::DITypedArray< T >::getNumElements(), getOperand(), GetUnrollMetadata(), intersect(), llvm::Loop::isAnnotatedParallel(), isStructPathTBAA(), isTBAAVtableAccess(), LLVMGetMDNodeOperands(), Profile(), llvm::DICompositeType::setArrays(), SetLoopAlreadyUnrolled(), llvm::Loop::setLoopID(), UnrollCountPragmaValue(), llvm::UpgradeInstWithTBAATag(), VerifySubsetOf(), llvm::WriteConstantInternal(), WriteMDNode(), and llvm::WriteMDNodeComment().

Value * MDNode::getOperand ( unsigned i ) const

getOperand - Return specified operand.

Definition at line 308 of file Metadata.cpp.

References getNumOperands(), and getOperandPtr().

Referenced by llvm::Module::addModuleFlag(), AddOperand(), assertLocalFunction(), cacheAnnotationFromMD(), llvm::cleanseInlinedVariable(), CloneAliasScopeMetadata(), llvm::computeKnownBitsFromRangeMetadata(), concatenate(), llvm::ConstantFoldTerminator(), llvm::DIBuilder::createArtificialType(), llvm::createInlinedVariable(), llvm::DIBuilder::createObjectPointerType(), llvm::MachineInstr::emitError(), llvm::TargetLoweringObjectFileMachO::emitModuleFlags(), llvm::TargetLoweringObjectFileCOFF::emitModuleFlags(), llvm::DIVariable::getAddrElement(), GetBranchWeights(), getField(), llvm::FPMathOperator::getFPAccuracy(), getFunction(), llvm::Loop::getLoopID(), getMostGenericFPMath(), getMostGenericRange(), getMostGenericTBAA(), GetUnrollMetadata(), HasBranchWeights(), intersect(), llvm::Loop::isAnnotatedParallel(), isStructPathTBAA(), isTBAAVtableAccess(), LLVMGetMDNodeOperands(), llvm::MachineInstr::print(), Profile(), SetLoopAlreadyUnrolled(), llvm::Loop::setLoopID(), UnrollCountPragmaValue(), 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 283 of file Metadata.cpp.

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

Referenced by CloneAliasScopeMetadata(), llvm::MDBuilder::createAnonymousAARoot(), llvm::DIBuilder::createCompileUnit(), createFunctionHelper(), llvm::DIBuilder::createReplaceableForwardDecl(), llvm::DIBuilder::createTempFunctionFwdDecl(), llvm::DIBuilder::createTempStaticVariableFwdDecl(), llvm::BitcodeReaderMDValueList::getValueFwdRef(), and llvm::MapValue().