LLVM 20.0.0git
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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 | |
Access & | operator= (const Access &Other)=default |
bool | operator== (const Access &R) const |
bool | operator!= (const Access &R) const |
Access & | operator&= (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 |
Instruction * | getLocalInst () const |
Return the instruction that causes the access with respect to the local scope of the associated attribute. | |
Instruction * | getRemoteInst () 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. | |
Type * | getType () const |
Return the type associated with the access, if known. | |
Value * | getWrittenValue () 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::RangeTy & | getUniqueRange () const |
void | addRange (int64_t Offset, int64_t Size) |
Add a range accessed by this Access. | |
const RangeList & | getRanges () const |
const_iterator | begin () const |
const_iterator | end () const |
An access description.
Definition at line 5987 of file Attributor.h.
Definition at line 6130 of file Attributor.h.
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Definition at line 5988 of file Attributor.h.
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Definition at line 5994 of file Attributor.h.
References llvm::AAPointerInfo::AK_MAY, llvm::AAPointerInfo::AK_MUST, Content, and verify().
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Definition at line 6004 of file Attributor.h.
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Add a range accessed by this Access.
If there are multiple ranges, then this is a "may access".
Definition at line 6120 of file Attributor.h.
References llvm::AAPointerInfo::AK_MAY, llvm::AAPointerInfo::AK_MUST, hasUniqueRange(), llvm::AAPointerInfo::RangeList::insert(), llvm::Offset, and Size.
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Definition at line 6131 of file Attributor.h.
References llvm::AAPointerInfo::RangeList::begin().
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Definition at line 6132 of file Attributor.h.
References llvm::AAPointerInfo::RangeList::end().
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Return the written value which can be llvm::null
if it is not yet determined.
Definition at line 6112 of file Attributor.h.
Referenced by getPotentialCopiesOfMemoryValue(), and llvm::operator<<().
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Return the access kind.
Definition at line 6054 of file Attributor.h.
Referenced by llvm::operator<<().
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Return the instruction that causes the access with respect to the local scope of the associated attribute.
Definition at line 6084 of file Attributor.h.
Referenced by llvm::operator<<().
Definition at line 6128 of file Attributor.h.
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Return the actual instruction that causes the access.
Definition at line 6087 of file Attributor.h.
Referenced by getPotentialCopiesOfMemoryValue(), and llvm::operator<<().
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Return the type associated with the access, if known.
Definition at line 6101 of file Attributor.h.
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Definition at line 6115 of file Attributor.h.
References llvm::AAPointerInfo::RangeList::getUnique().
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Return the value writen, if any.
Definition at line 6104 of file Attributor.h.
References assert(), and isWrittenValueYetUndetermined().
Referenced by getPotentialCopiesOfMemoryValue().
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Definition at line 6114 of file Attributor.h.
References llvm::AAPointerInfo::RangeList::isUnique().
Referenced by addRange().
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Return true if this is an assumption access.
Definition at line 6066 of file Attributor.h.
References llvm::AAPointerInfo::AK_ASSUMPTION.
Referenced by isWriteOrAssumption(), and verify().
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Definition at line 6075 of file Attributor.h.
References llvm::AAPointerInfo::AK_MAY, assert(), and llvm::AAPointerInfo::RangeList::size().
Referenced by verify().
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Definition at line 6068 of file Attributor.h.
References llvm::AAPointerInfo::AK_MUST, assert(), and llvm::AAPointerInfo::RangeList::size().
Referenced by verify().
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Return true if this is a read access.
Definition at line 6057 of file Attributor.h.
References llvm::AAPointerInfo::AK_R.
Referenced by getPotentialCopiesOfMemoryValue().
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Return true if this is a write access.
Definition at line 6060 of file Attributor.h.
References llvm::AAPointerInfo::AK_W.
Referenced by isWriteOrAssumption(), and verify().
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Return true if this is a write access.
Definition at line 6063 of file Attributor.h.
References isAssumption(), and isWrite().
Referenced by getPotentialCopiesOfMemoryValue().
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Return true if the value written cannot be determined at all.
Definition at line 6093 of file Attributor.h.
Referenced by getPotentialCopiesOfMemoryValue().
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Return true if the value written is not known yet.
Definition at line 6090 of file Attributor.h.
Referenced by getPotentialCopiesOfMemoryValue(), and getWrittenValue().
Definition at line 6018 of file Attributor.h.
Definition at line 6020 of file Attributor.h.
References llvm::AAPointerInfo::AK_MAY, llvm::AAPointerInfo::AK_MUST, assert(), llvm::AA::combineOptionalValuesInAAValueLatice(), llvm::AAPointerInfo::RangeList::merge(), llvm::AAPointerInfo::RangeList::size(), and verify().
Definition at line 6014 of file Attributor.h.
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Set the value written to nullptr, i.e., unknown.
Definition at line 6098 of file Attributor.h.
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Definition at line 6044 of file Attributor.h.
References assert(), isAssumption(), isMayAccess(), isMustAccess(), isWrite(), and llvm::AAPointerInfo::RangeList::size().
Referenced by Access(), and operator&=().