LLVM 22.0.0git
Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
llvm::DILocalScope Class Reference

A scope for locals. More...

#include "llvm/IR/DebugInfoMetadata.h"

Inheritance diagram for llvm::DILocalScope:
[legend]

Public Member Functions

LLVM_ABI DISubprogram * getSubprogram () const
 Get the subprogram for this scope.
LLVM_ABI DILocalScope * getNonLexicalBlockFileScope () const
 Get the first non DILexicalBlockFile scope of this scope.
Public Member Functions inherited from llvm::DIScope
DIFile * getFile () const
StringRef getFilename () const
StringRef getDirectory () const
std::optional< StringRef > getSource () const
LLVM_ABI StringRef getName () const
LLVM_ABI DIScope * getScope () const
Metadata * getRawFile () const
 Return the raw underlying file.
Public Member Functions inherited from llvm::DINode
LLVM_ABI dwarf::Tag getTag () const
Public Member Functions inherited from llvm::MDNode
 MDNode (const MDNode &)=delete
void operator= (const MDNode &)=delete
void * operator new (size_t)=delete
LLVM_ABI TempMDNode clone () const
 Create a (temporary) clone of this.
LLVMContext & getContext () const
LLVM_ABI void replaceOperandWith (unsigned I, Metadata *New)
 Replace a specific operand.
bool isResolved () const
 Check if node is fully resolved.
bool isUniqued () const
bool isDistinct () const
bool isTemporary () const
bool isReplaceable () const
bool isAlwaysReplaceable () const
bool hasGeneralizedMDString ()
 Check if this is a valid generalized type metadata node.
unsigned getNumTemporaryUses () const
void replaceAllUsesWith (Metadata *MD)
 RAUW a temporary.
LLVM_ABI void resolveCycles ()
 Resolve cycles.
LLVM_ABI void resolve ()
 Resolve a unique, unresolved node.
op_iterator op_begin () const
op_iterator op_end () const
ArrayRef< MDOperand > operands () const
const MDOperand & getOperand (unsigned I) const
unsigned getNumOperands () const
 Return number of MDNode operands.
LLVM_ABI bool isTBAAVtableAccess () const
 Check whether MDNode is a vtable access.
LLVM_ABI void printTree (raw_ostream &OS, const Module *M=nullptr) const
 Print in tree shape.
LLVM_ABI void printTree (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr) const
LLVM_ABI void dumpTree () const
 User-friendly dump in tree shape.
LLVM_ABI void dumpTree (const Module *M) const
Public Member Functions inherited from llvm::Metadata
unsigned getMetadataID () const
LLVM_ABI void dump () const
 User-friendly dump.
LLVM_ABI void dump (const Module *M) const
LLVM_ABI void print (raw_ostream &OS, const Module *M=nullptr, bool IsForDebug=false) const
 Print.
LLVM_ABI void print (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr, bool IsForDebug=false) const
LLVM_ABI void printAsOperand (raw_ostream &OS, const Module *M=nullptr) const
 Print as operand.
LLVM_ABI void printAsOperand (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr) const

Static Public Member Functions

static LLVM_ABI DILocalScope * cloneScopeForSubprogram (DILocalScope &RootScope, DISubprogram &NewSP, LLVMContext &Ctx, DenseMap< const MDNode *, MDNode * > &Cache)
 Traverses the scope chain rooted at RootScope until it hits a Subprogram, recreating the chain with "NewSP" instead.
static bool classof (const Metadata *MD)
Static Public Member Functions inherited from llvm::DIScope
static bool classof (const Metadata *MD)
Static Public Member Functions inherited from llvm::DINode
static LLVM_ABI DIFlags getFlag (StringRef Flag)
static LLVM_ABI StringRef getFlagString (DIFlags Flag)
static LLVM_ABI DIFlags splitFlags (DIFlags Flags, SmallVectorImpl< DIFlags > &SplitFlags)
 Split up a flags bitfield.
static bool classof (const Metadata *MD)
Static Public Member Functions inherited from llvm::MDNode
static MDTuple * get (LLVMContext &Context, ArrayRef< Metadata * > MDs)
static MDTuple * getIfExists (LLVMContext &Context, ArrayRef< Metadata * > MDs)
static MDTuple * getDistinct (LLVMContext &Context, ArrayRef< Metadata * > MDs)
static TempMDTuple getTemporary (LLVMContext &Context, ArrayRef< Metadata * > MDs)
static LLVM_ABI void deleteTemporary (MDNode *N)
 Deallocate a node created by getTemporary.
template<class T>
static std::enable_if_t< std::is_base_of< MDNode, T >::value, T * > replaceWithPermanent (std::unique_ptr< T, TempMDNodeDeleter > N)
 Replace a temporary node with a permanent one.
template<class T>
static std::enable_if_t< std::is_base_of< MDNode, T >::value, T * > replaceWithUniqued (std::unique_ptr< T, TempMDNodeDeleter > N)
 Replace a temporary node with a uniqued one.
template<class T>
static std::enable_if_t< std::is_base_of< MDNode, T >::value, T * > replaceWithDistinct (std::unique_ptr< T, TempMDNodeDeleter > N)
 Replace a temporary node with a distinct one.
static bool classof (const Metadata *MD)
 Methods for support type inquiry through isa, cast, and dyn_cast:
static LLVM_ABI MDNode * concatenate (MDNode *A, MDNode *B)
 Methods for metadata merging.
static LLVM_ABI MDNode * intersect (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMostGenericTBAA (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMostGenericFPMath (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMostGenericRange (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMostGenericNoaliasAddrspace (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMostGenericAliasScope (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMostGenericAlignmentOrDereferenceable (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMergedProfMetadata (MDNode *A, MDNode *B, const Instruction *AInstr, const Instruction *BInstr)
 Merge !prof metadata from two instructions.
static LLVM_ABI MDNode * getMergedMemProfMetadata (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMergedCallsiteMetadata (MDNode *A, MDNode *B)
static LLVM_ABI MDNode * getMergedCalleeTypeMetadata (const MDNode *A, const MDNode *B)

Protected Member Functions

 DILocalScope (LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag, ArrayRef< Metadata * > Ops)
 ~DILocalScope ()=default
Protected Member Functions inherited from llvm::DIScope
 DIScope (LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag, ArrayRef< Metadata * > Ops)
 ~DIScope ()=default
Protected Member Functions inherited from llvm::DINode
 DINode (LLVMContext &C, unsigned ID, StorageType Storage, unsigned Tag, ArrayRef< Metadata * > Ops1, ArrayRef< Metadata * > Ops2={})
 ~DINode ()=default
template<class Ty>
Ty * getOperandAs (unsigned I) const
StringRef getStringOperand (unsigned I) const
void setTag (unsigned Tag)
 Allow subclasses to mutate the tag.
Protected Member Functions inherited from llvm::MDNode
LLVM_ABI MDNode (LLVMContext &Context, unsigned ID, StorageType Storage, ArrayRef< Metadata * > Ops1, ArrayRef< Metadata * > Ops2={})
 ~MDNode ()=default
LLVM_ABI void * operator new (size_t Size, size_t NumOps, StorageType Storage)
LLVM_ABI void operator delete (void *Mem)
void operator delete (void *, unsigned)
 Required by std, but never called.
void operator delete (void *, unsigned, bool)
 Required by std, but never called.
LLVM_ABI void dropAllReferences ()
MDOperand * mutable_begin ()
MDOperand * mutable_end ()
mutable_op_range mutable_operands ()
LLVM_ABI void setOperand (unsigned I, Metadata *New)
 Set an operand.
unsigned getNumUnresolved () const
void setNumUnresolved (unsigned N)
LLVM_ABI void storeDistinctInContext ()
void resize (size_t NumOps)
 Resize the node to hold NumOps operands.
Protected Member Functions inherited from llvm::Metadata
 Metadata (unsigned ID, StorageType Storage)
 ~Metadata ()=default
void handleChangedOperand (void *, Metadata *)
 Default handling of a changed operand, which asserts.

Additional Inherited Members

Public Types inherited from llvm::DINode
enum  DIFlags : uint32_t { FlagAccessibility = FlagPrivate | FlagProtected | FlagPublic , FlagPtrToMemberRep }
 Debug info flags. More...
Public Types inherited from llvm::MDNode
using op_iterator = const MDOperand *
using op_range = iterator_range<op_iterator>
Public Types inherited from llvm::Metadata
enum  MetadataKind
Static Public Attributes inherited from llvm::Metadata
static constexpr const unsigned PoisonGeneratingIDs []
 Metadata IDs that may generate poison.
Protected Types inherited from llvm::MDNode
using mutable_op_range = iterator_range<MDOperand *>
Protected Types inherited from llvm::Metadata
enum  StorageType { Uniqued , Distinct , Temporary }
 Active type of storage. More...
Static Protected Member Functions inherited from llvm::DINode
static MDString * getCanonicalMDString (LLVMContext &Context, StringRef S)
Static Protected Member Functions inherited from llvm::MDNode
template<class T, class StoreT>
static T * storeImpl (T *N, StorageType Storage, StoreT &Store)
template<class T>
static T * storeImpl (T *N, StorageType Storage)
Protected Attributes inherited from llvm::Metadata
unsigned char Storage: 7
 Storage flag for non-uniqued, otherwise unowned, metadata.
unsigned char SubclassData1: 1
unsigned short SubclassData16 = 0
unsigned SubclassData32 = 0

Detailed Description

A scope for locals.

A legal scope for lexical blocks, local variables, and debug info locations. Subclasses are DISubprogram, DILexicalBlock, and DILexicalBlockFile.

Definition at line 2185 of file DebugInfoMetadata.h.

Constructor & Destructor Documentation

◆ DILocalScope()

llvm::DILocalScope::DILocalScope ( LLVMContext & C,
unsigned ID,
StorageType Storage,
unsigned Tag,
ArrayRef< Metadata * > Ops )
inlineprotected

Definition at line 2187 of file DebugInfoMetadata.h.

References AbstractManglingParser< Derived, Alloc >::Ops, llvm::CallingConv::C, llvm::DIScope::DIScope(), llvm::Metadata::Storage, and llvm::Tag.

Referenced by cloneScopeForSubprogram(), llvm::DILexicalBlockBase::DILexicalBlockBase(), getNonLexicalBlockFileScope(), llvm::DILexicalBlockBase::getScope(), and ~DILocalScope().

◆ ~DILocalScope()

llvm::DILocalScope::~DILocalScope ( )
protecteddefault

References DILocalScope(), and LLVM_ABI.

Member Function Documentation

◆ classof()

bool llvm::DILocalScope::classof ( const Metadata * MD)
inlinestatic

Definition at line 2212 of file DebugInfoMetadata.h.

References llvm::Metadata::getMetadataID().

◆ cloneScopeForSubprogram()

DILocalScope * DILocalScope::cloneScopeForSubprogram ( DILocalScope & RootScope,
DISubprogram & NewSP,
LLVMContext & Ctx,
DenseMap< const MDNode *, MDNode * > & Cache )
static

Traverses the scope chain rooted at RootScope until it hits a Subprogram, recreating the chain with "NewSP" instead.

Definition at line 1319 of file DebugInfoMetadata.cpp.

References llvm::cast(), cloneAndReplaceParentScope(), DILocalScope(), llvm::DIScope::DIScope(), llvm::isa(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::reverse().

Referenced by fixupDebugInfoPostExtraction(), and llvm::DebugLoc::replaceInlinedAtSubprogram().

◆ getNonLexicalBlockFileScope()

DILocalScope * DILocalScope::getNonLexicalBlockFileScope ( ) const

Get the first non DILexicalBlockFile scope of this scope.

Return this if it's not a DILexicalBlockFIle; otherwise, look up the scope chain.

Definition at line 1313 of file DebugInfoMetadata.cpp.

References DILocalScope(), and llvm::dyn_cast().

◆ getSubprogram()

DISubprogram * DILocalScope::getSubprogram ( ) const

Get the subprogram for this scope.

Return this if it's an DISubprogram; otherwise, look up the scope chain.

Definition at line 1307 of file DebugInfoMetadata.cpp.

References llvm::Block, llvm::cast(), and llvm::dyn_cast().

Referenced by llvm::getDISubprogram(), llvm::DwarfCompileUnit::getLexicalBlockDIE(), getSubprogram(), llvm::DIBuilder::insertDeclare(), llvm::DIBuilder::insertLabel(), llvm::DILabel::isValidLocationForIntrinsic(), and llvm::DILocalVariable::isValidLocationForIntrinsic().

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