LLVM 19.0.0git
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llvm::DIFile Class Reference

File. More...

#include "llvm/IR/DebugInfoMetadata.h"

Inheritance diagram for llvm::DIFile:
Inheritance graph
[legend]

Classes

struct  ChecksumInfo
 A single checksum, represented by a Kind and a Value (a string). More...
 

Public Types

enum  ChecksumKind { CSK_MD5 = 1 , CSK_SHA1 = 2 , CSK_SHA256 = 3 , CSK_Last = CSK_SHA256 }
 Which algorithm (e.g. More...
 
- 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 Member Functions

 DEFINE_MDNODE_GET (DIFile,(StringRef Filename, StringRef Directory, std::optional< ChecksumInfo< StringRef > > CS=std::nullopt, std::optional< StringRef > Source=std::nullopt),(Filename, Directory, CS, Source)) DEFINE_MDNODE_GET(DIFile
 
- Public Member Functions inherited from llvm::DIScope
DIFilegetFile () const
 
StringRef getFilename () const
 
StringRef getDirectory () const
 
std::optional< StringRefgetSource () const
 
StringRef getName () const
 
DIScopegetScope () const
 
MetadatagetRawFile () const
 Return the raw underlying file.
 
- Public Member Functions inherited from llvm::DINode
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
 
TempMDNode clone () const
 Create a (temporary) clone of this.
 
LLVMContextgetContext () const
 
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
 
unsigned getNumTemporaryUses () const
 
void replaceAllUsesWith (Metadata *MD)
 RAUW a temporary.
 
void resolveCycles ()
 Resolve cycles.
 
void resolve ()
 Resolve a unique, unresolved node.
 
op_iterator op_begin () const
 
op_iterator op_end () const
 
ArrayRef< MDOperandoperands () const
 
const MDOperandgetOperand (unsigned I) const
 
unsigned getNumOperands () const
 Return number of MDNode operands.
 
bool isTBAAVtableAccess () const
 Check whether MDNode is a vtable access.
 
void printTree (raw_ostream &OS, const Module *M=nullptr) const
 Print in tree shape.
 
void printTree (raw_ostream &OS, ModuleSlotTracker &MST, const Module *M=nullptr) const
 
void dumpTree () const
 User-friendly dump in tree shape.
 
void dumpTree (const Module *M) const
 

Static Public Member Functions

static std::optional< ChecksumKindgetChecksumKind (StringRef CSKindStr)
 
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 DIFlags getFlag (StringRef Flag)
 
static StringRef getFlagString (DIFlags Flag)
 
static 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 MDTupleget (LLVMContext &Context, ArrayRef< Metadata * > MDs)
 
static MDTuplegetIfExists (LLVMContext &Context, ArrayRef< Metadata * > MDs)
 
static MDTuplegetDistinct (LLVMContext &Context, ArrayRef< Metadata * > MDs)
 
static TempMDTuple getTemporary (LLVMContext &Context, ArrayRef< Metadata * > MDs)
 
static 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 MDNodeconcatenate (MDNode *A, MDNode *B)
 Methods for metadata merging.
 
static MDNodeintersect (MDNode *A, MDNode *B)
 
static MDNodegetMostGenericTBAA (MDNode *A, MDNode *B)
 
static MDNodegetMostGenericFPMath (MDNode *A, MDNode *B)
 
static MDNodegetMostGenericRange (MDNode *A, MDNode *B)
 
static MDNodegetMostGenericAliasScope (MDNode *A, MDNode *B)
 
static MDNodegetMostGenericAlignmentOrDereferenceable (MDNode *A, MDNode *B)
 
static MDNodegetMergedProfMetadata (MDNode *A, MDNode *B, const Instruction *AInstr, const Instruction *BInstr)
 Merge !prof metadata from two instructions.
 

Public Attributes

MDStringFilename
 
MDString MDStringDirectory
 
MDString MDString std::optional< ChecksumInfo< MDString * > > CS = std::nullopt
 
MDString MDString std::optional< ChecksumInfo< MDString * > > MDStringSource
 

Friends

class LLVMContextImpl
 
class MDNode
 

Additional Inherited Members

- Protected Types inherited from llvm::MDNode
using mutable_op_range = iterator_range< MDOperand * >
 
 Active type of storage. More...
- 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=std::nullopt)
 
 ~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
 MDNode (LLVMContext &Context, unsigned ID, StorageType Storage, ArrayRef< Metadata * > Ops1, ArrayRef< Metadata * > Ops2=std::nullopt)
 
 ~MDNode ()=default
 
void * operator new (size_t Size, size_t NumOps, StorageType Storage)
 
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.
 
void dropAllReferences ()
 
MDOperandmutable_begin ()
 
MDOperandmutable_end ()
 
mutable_op_range mutable_operands ()
 
void setOperand (unsigned I, Metadata *New)
 Set an operand.
 
unsigned getNumUnresolved () const
 
void setNumUnresolved (unsigned N)
 
void storeDistinctInContext ()
 
void resize (size_t NumOps)
 Resize the node to hold NumOps operands.
 
- Static Protected Member Functions inherited from llvm::DINode
static MDStringgetCanonicalMDString (LLVMContext &Context, StringRef S)
 
- Static Protected Member Functions inherited from llvm::MDNode
template<class T , class StoreT >
static TstoreImpl (T *N, StorageType Storage, StoreT &Store)
 
template<class T >
static TstoreImpl (T *N, StorageType Storage)
 

Detailed Description

File.

TODO: Merge with directory/file node (including users). TODO: Canonicalize paths on creation.

Definition at line 572 of file DebugInfoMetadata.h.

Member Enumeration Documentation

◆ ChecksumKind

Which algorithm (e.g.

MD5) a checksum was generated with.

The encoding is explicit because it is used directly in Bitcode. The value 0 is reserved to indicate the absence of a checksum in Bitcode.

Enumerator
CSK_MD5 
CSK_SHA1 
CSK_SHA256 
CSK_Last 

Definition at line 581 of file DebugInfoMetadata.h.

Member Function Documentation

◆ classof()

static bool llvm::DIFile::classof ( const Metadata MD)
inlinestatic

Definition at line 679 of file DebugInfoMetadata.h.

References llvm::Metadata::getMetadataID().

◆ DEFINE_MDNODE_GET()

llvm::DIFile::DEFINE_MDNODE_GET ( DIFile  ,
(StringRef Filename, StringRef Directory, std::optional< ChecksumInfo< StringRef > > CS=std::nullopt, std::optional< StringRef > Source=std::nullopt)  ,
(Filename, Directory, CS, Source)   
)

◆ getChecksumKind()

std::optional< DIFile::ChecksumKind > DIFile::getChecksumKind ( StringRef  CSKindStr)
static

Friends And Related Function Documentation

◆ LLVMContextImpl

friend class LLVMContextImpl
friend

Definition at line 573 of file DebugInfoMetadata.h.

◆ MDNode

friend class MDNode
friend

Definition at line 574 of file DebugInfoMetadata.h.

Member Data Documentation

◆ CS

MDString MDString std::optional<ChecksumInfo<MDString *> > llvm::DIFile::CS = std::nullopt

Definition at line 650 of file DebugInfoMetadata.h.

◆ Directory

MDString MDString* llvm::DIFile::Directory

Definition at line 649 of file DebugInfoMetadata.h.

◆ Filename

MDString* llvm::DIFile::Filename

Definition at line 649 of file DebugInfoMetadata.h.

◆ Source

MDString MDString std::optional<ChecksumInfo<MDString *> > MDString* llvm::DIFile::Source
Initial value:
= nullptr),
(Filename, Directory, CS, Source))
TempDIFile clone() const { return cloneImpl(); }
StringRef getFilename() const { return getStringOperand(0); }
StringRef getDirectory() const { return getStringOperand(1); }
std::optional<ChecksumInfo<StringRef>> getChecksum() const {
std::optional<ChecksumInfo<StringRef>> StringRefChecksum;
if (Checksum)
StringRefChecksum.emplace(Checksum->Kind, Checksum->Value->getString());
return StringRefChecksum;
}
std::optional<StringRef> getSource() const {
return Source ? std::optional<StringRef>(Source->getString())
: std::nullopt;
}
MDString *getRawFilename() const { return getOperandAs<MDString>(0); }
MDString *getRawDirectory() const { return getOperandAs<MDString>(1); }
std::optional<ChecksumInfo<MDString *>> getRawChecksum() const {
return Checksum;
}
MDString *getRawSource() const { return Source; }
static StringRef getChecksumKindAsString(ChecksumKind CSKind)
MDString MDString * Directory
MDString * Filename
ChecksumKind
Which algorithm (e.g.
MDString MDString std::optional< ChecksumInfo< MDString * > > CS
StringRef getStringOperand(unsigned I) const
StringRef getFilename() const
StringRef getDirectory() const
std::optional< StringRef > getSource() const
TempMDNode clone() const
Create a (temporary) clone of this.
Definition: Metadata.cpp:658
StringRef getString() const
Definition: Metadata.cpp:607
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
Implement std::hash so that hash_code can be used in STL containers.
Definition: BitVector.h:858

Definition at line 651 of file DebugInfoMetadata.h.


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