LLVM: llvm::MetadataAsValue Class Reference (original) (raw)
Public Member Functions
Metadata *
getMetadata () const
Public Member Functions inherited from llvm::Value
Value &
operator= (const Value &)=delete
LLVM_ABI void
deleteValue ()
Delete a pointer to a generic Value.
LLVM_ABI void
Support for debugging, callable in GDB: V->dump()
Type *
All values are typed, get the type of this value.
getContext () const
All values hold a context through their type.
LLVM_ABI void
setValueName (ValueName *VN)
Return a constant reference to the value's name.
LLVM_ABI void
Change the name of the value.
LLVM_ABI void
Transfer the name from V to this value.
LLVM_ABI std::string
LLVM_ABI void
replaceAllUsesWith (Value *V)
Change all uses of this to point to a new Value.
LLVM_ABI void
replaceNonMetadataUsesWith (Value *V)
Change non-metadata uses of this to point to a new Value.
LLVM_ABI void
replaceUsesWithIf (Value *New, llvm::function_ref< bool(Use &U)> ShouldReplace)
Go through the uses list for this definition and make each use point to "V" if the callback ShouldReplace returns true for the given Use.
LLVM_ABI void
replaceUsesOutsideBlock (Value *V, BasicBlock *BB)
replaceUsesOutsideBlock - Go through the uses list for this definition and make each use point to "V" instead of "this" when the use is outside the block.
LLVM_ABI void
assertModuleIsMaterializedImpl () const
void
assertModuleIsMaterialized () const
hasUseList () const
Check if this Value has a use-list.
materialized_use_empty () const
materialized_use_begin () const
use_begin ()
use_end ()
iterator_range< use_iterator >
iterator_range< const_use_iterator >
iterator_range< use_iterator >
uses ()
iterator_range< const_use_iterator >
user_empty () const
materialized_user_begin () const
user_begin ()
user_begin () const
user_end ()
User *
user_back ()
iterator_range< user_iterator >
iterator_range< const_user_iterator >
iterator_range< user_iterator >
users ()
iterator_range< const_user_iterator >
Return true if there is exactly one use of this value.
Return true if this Value has exactly N uses.
hasNUsesOrMore (unsigned N) const
Return true if this value has N uses or more.
hasOneUser () const
Return true if there is exactly one user of this value.
Return true if there is exactly one use of this value that cannot be dropped.
getSingleUndroppableUse () const
Return true if there is exactly one unique user of this value that cannot be dropped (that user can have multiple uses of this value).
getUniqueUndroppableUser () const
hasNUndroppableUses (unsigned N) const
Return true if there this value.
hasNUndroppableUsesOrMore (unsigned N) const
Return true if this value has N uses or more.
LLVM_ABI void
dropDroppableUses (llvm::function_ref< bool(const Use *)> ShouldDrop=[](const Use *) { return true;})
Remove every uses that can safely be removed.
LLVM_ABI void
dropDroppableUsesIn (User &Usr)
Remove every use of this value in [User](classllvm%5F1%5F1User.html) that can safely be removed.
isUsedInBasicBlock (const BasicBlock *BB) const
Check if this value is used in the specified basic block.
getNumUses () const
This method computes the number of uses of this Value.
void
This method should only be used by the Use class.
getValueID () const
Return an ID for the concrete type of this object.
getRawSubclassOptionalData () const
Return the raw optional flags value contained in this value.
void
Clear the optional flags contained in this value.
hasSameSubclassOptionalData (const Value *V) const
Check the optional flags for equality.
Return true if there is a value handle associated with this value.
Return true if there is metadata referencing this value.
Return true if this value is a swifterror value.
Strip off pointer casts, all-zero GEPs and address space casts.
Value *
stripPointerCastsAndAliases () const
Strip off pointer casts, all-zero GEPs, address space casts, and aliases.
Value *
stripPointerCastsAndAliases ()
stripPointerCastsSameRepresentation () const
Strip off pointer casts, all-zero GEPs and address space casts but ensures the representation of the result stays the same.
Value *
stripPointerCastsSameRepresentation ()
stripPointerCastsForAliasAnalysis () const
Strip off pointer casts, all-zero GEPs, single-argument phi nodes and invariant group info.
Value *
stripPointerCastsForAliasAnalysis ()
stripInBoundsConstantOffsets () const
Strip off pointer casts and all-constant inbounds GEPs.
Value *
stripInBoundsConstantOffsets ()
stripAndAccumulateConstantOffsets (const DataLayout &DL, APInt &Offset, bool AllowNonInbounds, bool AllowInvariantGroup=false, function_ref< bool(Value &Value, APInt &Offset)> ExternalAnalysis=nullptr, bool LookThroughIntToPtr=false) const
Accumulate the constant offset this value has compared to a base pointer.
Value *
stripAndAccumulateConstantOffsets (const DataLayout &DL, APInt &Offset, bool AllowNonInbounds, bool AllowInvariantGroup=false, function_ref< bool(Value &Value, APInt &Offset)> ExternalAnalysis=nullptr, bool LookThroughIntToPtr=false)
stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) const
This is a wrapper around stripAndAccumulateConstantOffsets with the in-bounds requirement set to false.
Value *
stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset)
stripInBoundsOffsets (function_ref< void(const Value *)> Func=[](const Value *) {}) const
Strip off pointer casts and inbounds GEPs.
Value *
stripInBoundsOffsets (function_ref< void(const Value *)> Func=[](const Value *) {})
LLVM_ABI std::optional< int64_t >
getPointerOffsetFrom (const Value *Other, const DataLayout &DL) const
If this ptr is provably equal to Other plus a constant offset, return that offset in bytes.
canBeFreed () const
Return true if the memory object referred to by V can by freed in the scope for which the SSA value defining the allocation is statically defined.
getPointerDereferenceableBytes (const DataLayout &DL, bool &CanBeNull, bool &CanBeFreed) const
Returns the number of bytes known to be dereferenceable for the pointer value.
getPointerAlignment (const DataLayout &DL) const
Returns an alignment of the pointer value.
DoPHITranslation (const BasicBlock *CurBB, const BasicBlock *PredBB) const
Translate PHI node to its predecessor from the given basic block.
Value *
DoPHITranslation (const BasicBlock *CurBB, const BasicBlock *PredBB)
void
mutateType (Type *Ty)
Mutate the type of this Value to be of the specified type.
template
void
sortUseList (Compare Cmp)
Sort the use-list.
LLVM_ABI void
Reverse the use-list.
LLVM_ABI void
print (raw_ostream &O, bool IsForDebug=false) const
Implement operator<< on Value.
LLVM_ABI void
print (raw_ostream &O, ModuleSlotTracker &MST, bool IsForDebug=false) const
LLVM_ABI void
printAsOperand (raw_ostream &O, bool PrintType=true, const Module *M=nullptr) const
Print the name of this Value out to the specified raw_ostream.
LLVM_ABI void
printAsOperand (raw_ostream &O, bool PrintType, ModuleSlotTracker &MST) const
Additional Inherited Members
Public Types inherited from llvm::Value
enum
Concrete subclass of this. More...
using
use_iterator = use_iterator_impl<Use>
using
const_use_iterator = use_iterator_impl<const Use>
using
user_iterator = user_iterator_impl<User>
using
const_user_iterator = user_iterator_impl<const User>
Static Public Attributes inherited from llvm::Value
static constexpr unsigned
MaxAlignmentExponent = 32
The maximum alignment for instructions.
static constexpr uint64_t
MaximumAlignment = 1ULL << MaxAlignmentExponent
Protected Types inherited from llvm::Value
enum
: unsigned { NumUserOperandsBits = 27 }
The number of operands in the subclass. More...
Protected Member Functions inherited from llvm::Value
Value (Type *Ty, unsigned scid)
~Value ()
Value's destructor should be virtual by design, but that would require that Value and all of its subclasses have a vtable that effectively duplicates the information in the value ID.
LLVM_ABI void
getAllMetadata (SmallVectorImpl< std::pair< unsigned, MDNode * > > &MDs) const
Appends all metadata attached to this value to MDs, sorting by KindID.
hasMetadata () const
Return true if this value has any metadata attached to it.
eraseMetadata (unsigned KindID)
Erase all metadata attachments with the given kind.
LLVM_ABI void
eraseMetadataIf (function_ref< bool(unsigned, MDNode *)> Pred)
Erase all metadata attachments matching the given predicate.
LLVM_ABI void
Erase all metadata attached to this Value.
getMetadataImpl (unsigned KindID) const
Get metadata for the given kind, if any.
unsigned short
getSubclassDataFromValue () const
void
setValueSubclassData (unsigned short D)
MDNode *
getMetadata (unsigned KindID) const
Get the current metadata attachments for the given kind, if any.
getMetadata (StringRef Kind) const
LLVM_ABI void
getMetadata (unsigned KindID, SmallVectorImpl< MDNode * > &MDs) const
Appends all attachments with the given ID to MDs in insertion order.
LLVM_ABI void
getMetadata (StringRef Kind, SmallVectorImpl< MDNode * > &MDs) const
hasMetadata (unsigned KindID) const
Return true if this value has the given type of metadata attached.
hasMetadata (StringRef Kind) const
LLVM_ABI void
setMetadata (unsigned KindID, MDNode *Node)
Set a particular kind of metadata attachment.
LLVM_ABI void
setMetadata (StringRef Kind, MDNode *Node)
LLVM_ABI void
addMetadata (unsigned KindID, MDNode &MD)
Add a metadata attachment.
LLVM_ABI void
addMetadata (StringRef Kind, MDNode &MD)
Protected Attributes inherited from llvm::Value
Hold subclass data that can be dropped.
NumUserOperands: NumUserOperandsBits
IsUsedByMD: 1
HasName: 1
HasMetadata: 1
Metadata wrapper in the Value hierarchy.
A member of the Value hierarchy to represent a reference to metadata. This allows, e.g., intrinsics to have metadata as operands.
Notably, this is the only thing in either hierarchy that is allowed to reference LocalAsMetadata.
Definition at line 183 of file Metadata.h.