LLVM 23.0.0git
llvm::AAPointerInfo::Access Struct Reference

An access description. More...

#include "llvm/Transforms/IPO/Attributor.h"

Public Types

using const_iterator = RangeList::const_iterator

Public Member Functions

 Access (Instruction *I, int64_t Offset, int64_t Size, std::optional< Value * > Content, AccessKind Kind, Type *Ty)
 Access (Instruction *LocalI, Instruction *RemoteI, const RangeList &Ranges, std::optional< Value * > Content, AccessKind K, Type *Ty)
 Access (Instruction *LocalI, Instruction *RemoteI, int64_t Offset, int64_t Size, std::optional< Value * > Content, AccessKind Kind, Type *Ty)
 Access (const Access &Other)=default
Accessoperator= (const Access &Other)=default
bool operator== (const Access &R) const
bool operator!= (const Access &R) const
Accessoperator&= (const Access &R)
void verify ()
AccessKind getKind () const
 Return the access kind.
bool isRead () const
 Return true if this is a read access.
bool isWrite () const
 Return true if this is a write access.
bool isWriteOrAssumption () const
 Return true if this is a write access.
bool isAssumption () const
 Return true if this is an assumption access.
bool isMustAccess () const
bool isMayAccess () const
InstructiongetLocalInst () const
 Return the instruction that causes the access with respect to the local scope of the associated attribute.
InstructiongetRemoteInst () const
 Return the actual instruction that causes the access.
bool isWrittenValueYetUndetermined () const
 Return true if the value written is not known yet.
bool isWrittenValueUnknown () const
 Return true if the value written cannot be determined at all.
void setWrittenValueUnknown ()
 Set the value written to nullptr, i.e., unknown.
TypegetType () const
 Return the type associated with the access, if known.
ValuegetWrittenValue () const
 Return the value writen, if any.
std::optional< Value * > getContent () const
 Return the written value which can be llvm::null if it is not yet determined.
bool hasUniqueRange () const
const AA::RangeTygetUniqueRange () const
void addRange (int64_t Offset, int64_t Size)
 Add a range accessed by this Access.
const RangeListgetRanges () const
const_iterator begin () const
const_iterator end () const

Detailed Description

An access description.

Definition at line 6061 of file Attributor.h.

Member Typedef Documentation

◆ const_iterator

Constructor & Destructor Documentation

◆ Access() [1/4]

llvm::AAPointerInfo::Access::Access ( Instruction * I,
int64_t Offset,
int64_t Size,
std::optional< Value * > Content,
AccessKind Kind,
Type * Ty )
inline

Definition at line 6062 of file Attributor.h.

References I, llvm::Offset, Size, and verify().

Referenced by Access(), operator!=(), operator&=(), operator=(), and operator==().

◆ Access() [2/4]

llvm::AAPointerInfo::Access::Access ( Instruction * LocalI,
Instruction * RemoteI,
const RangeList & Ranges,
std::optional< Value * > Content,
AccessKind K,
Type * Ty )
inline

Definition at line 6068 of file Attributor.h.

References verify().

◆ Access() [3/4]

llvm::AAPointerInfo::Access::Access ( Instruction * LocalI,
Instruction * RemoteI,
int64_t Offset,
int64_t Size,
std::optional< Value * > Content,
AccessKind Kind,
Type * Ty )
inline

Definition at line 6078 of file Attributor.h.

References llvm::Offset, Size, and verify().

◆ Access() [4/4]

llvm::AAPointerInfo::Access::Access ( const Access & Other)
default

References Access(), and llvm::Other.

Member Function Documentation

◆ addRange()

void llvm::AAPointerInfo::Access::addRange ( int64_t Offset,
int64_t Size )
inline

Add a range accessed by this Access.

If there are multiple ranges, then this is a "may access".

Definition at line 6194 of file Attributor.h.

References llvm::AAPointerInfo::AK_MAY, llvm::AAPointerInfo::AK_MUST, hasUniqueRange(), llvm::Offset, and Size.

◆ begin()

const_iterator llvm::AAPointerInfo::Access::begin ( ) const
inline

Definition at line 6205 of file Attributor.h.

◆ end()

const_iterator llvm::AAPointerInfo::Access::end ( ) const
inline

Definition at line 6206 of file Attributor.h.

◆ getContent()

std::optional< Value * > llvm::AAPointerInfo::Access::getContent ( ) const
inline

Return the written value which can be llvm::null if it is not yet determined.

Definition at line 6186 of file Attributor.h.

Referenced by getPotentialCopiesOfMemoryValue(), and llvm::operator<<().

◆ getKind()

AccessKind llvm::AAPointerInfo::Access::getKind ( ) const
inline

Return the access kind.

Definition at line 6128 of file Attributor.h.

Referenced by llvm::operator<<().

◆ getLocalInst()

Instruction * llvm::AAPointerInfo::Access::getLocalInst ( ) const
inline

Return the instruction that causes the access with respect to the local scope of the associated attribute.

Definition at line 6158 of file Attributor.h.

Referenced by llvm::operator<<().

◆ getRanges()

const RangeList & llvm::AAPointerInfo::Access::getRanges ( ) const
inline

Definition at line 6202 of file Attributor.h.

◆ getRemoteInst()

Instruction * llvm::AAPointerInfo::Access::getRemoteInst ( ) const
inline

Return the actual instruction that causes the access.

Definition at line 6161 of file Attributor.h.

Referenced by getPotentialCopiesOfMemoryValue(), and llvm::operator<<().

◆ getType()

Type * llvm::AAPointerInfo::Access::getType ( ) const
inline

Return the type associated with the access, if known.

Definition at line 6175 of file Attributor.h.

◆ getUniqueRange()

const AA::RangeTy & llvm::AAPointerInfo::Access::getUniqueRange ( ) const
inline

Definition at line 6189 of file Attributor.h.

◆ getWrittenValue()

Value * llvm::AAPointerInfo::Access::getWrittenValue ( ) const
inline

Return the value writen, if any.

Definition at line 6178 of file Attributor.h.

References assert(), and isWrittenValueYetUndetermined().

Referenced by getPotentialCopiesOfMemoryValue().

◆ hasUniqueRange()

bool llvm::AAPointerInfo::Access::hasUniqueRange ( ) const
inline

Definition at line 6188 of file Attributor.h.

Referenced by addRange().

◆ isAssumption()

bool llvm::AAPointerInfo::Access::isAssumption ( ) const
inline

Return true if this is an assumption access.

Definition at line 6140 of file Attributor.h.

References llvm::AAPointerInfo::AK_ASSUMPTION.

Referenced by isWriteOrAssumption(), and verify().

◆ isMayAccess()

bool llvm::AAPointerInfo::Access::isMayAccess ( ) const
inline

Definition at line 6149 of file Attributor.h.

References llvm::AAPointerInfo::AK_MAY, and assert().

Referenced by verify().

◆ isMustAccess()

bool llvm::AAPointerInfo::Access::isMustAccess ( ) const
inline

Definition at line 6142 of file Attributor.h.

References llvm::AAPointerInfo::AK_MUST, and assert().

Referenced by verify().

◆ isRead()

bool llvm::AAPointerInfo::Access::isRead ( ) const
inline

Return true if this is a read access.

Definition at line 6131 of file Attributor.h.

References llvm::AAPointerInfo::AK_R.

Referenced by getPotentialCopiesOfMemoryValue().

◆ isWrite()

bool llvm::AAPointerInfo::Access::isWrite ( ) const
inline

Return true if this is a write access.

Definition at line 6134 of file Attributor.h.

References llvm::AAPointerInfo::AK_W.

Referenced by isWriteOrAssumption(), and verify().

◆ isWriteOrAssumption()

bool llvm::AAPointerInfo::Access::isWriteOrAssumption ( ) const
inline

Return true if this is a write access.

Definition at line 6137 of file Attributor.h.

References isAssumption(), and isWrite().

Referenced by getPotentialCopiesOfMemoryValue().

◆ isWrittenValueUnknown()

bool llvm::AAPointerInfo::Access::isWrittenValueUnknown ( ) const
inline

Return true if the value written cannot be determined at all.

Definition at line 6167 of file Attributor.h.

Referenced by getPotentialCopiesOfMemoryValue().

◆ isWrittenValueYetUndetermined()

bool llvm::AAPointerInfo::Access::isWrittenValueYetUndetermined ( ) const
inline

Return true if the value written is not known yet.

Definition at line 6164 of file Attributor.h.

Referenced by getPotentialCopiesOfMemoryValue(), and getWrittenValue().

◆ operator!=()

bool llvm::AAPointerInfo::Access::operator!= ( const Access & R) const
inline

Definition at line 6092 of file Attributor.h.

References Access().

◆ operator&=()

Access & llvm::AAPointerInfo::Access::operator&= ( const Access & R)
inline

◆ operator=()

Access & llvm::AAPointerInfo::Access::operator= ( const Access & Other)
default

References Access(), and llvm::Other.

◆ operator==()

bool llvm::AAPointerInfo::Access::operator== ( const Access & R) const
inline

Definition at line 6088 of file Attributor.h.

References Access().

◆ setWrittenValueUnknown()

void llvm::AAPointerInfo::Access::setWrittenValueUnknown ( )
inline

Set the value written to nullptr, i.e., unknown.

Definition at line 6172 of file Attributor.h.

◆ verify()

void llvm::AAPointerInfo::Access::verify ( )
inline

Definition at line 6118 of file Attributor.h.

References assert(), isAssumption(), isMayAccess(), isMustAccess(), and isWrite().

Referenced by Access(), Access(), Access(), and operator&=().


The documentation for this struct was generated from the following file: