Representation for a specific memory location.
Synopsis
Declared in <llvm/Analysis/MemoryLocation.h>
class MemoryLocation;Description
This abstraction can be used to represent a specific location in memory. The goal of the location is to represent enough information to describe abstract aliasing, modification, and reference behaviors of whatever value(s) are stored in memory at the particular location.
The primary user of this interface is LLVM's Alias Analysis, but other memory analyses such as MemoryDependence can use it as well.
Enums
Name |
Description |
UnknownSize ‐ This is a special value which can be used with the size arguments in alias queries to indicate that the caller does not know the sizes of the potential memory references. |
Member Functions
Name |
Description |
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Constructors |
Equality operator |
Static Member Functions
Name |
Description |
Return a location with information about the memory reference by the given instruction. |
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Return a location that may access any location after Ptr, while remaining within the underlying object. |
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Return a location that may access any location before or after Ptr, while remaining within the underlying object. |
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Return a location representing a particular argument of a call. |
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Return a location representing the destination of a memory set or transfer. |
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Return a location representing the source of a memory transfer. |
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Data Members
Non-Member Functions
Name |
Description |
Scan backwards to see if we have the value of the given pointer available locally within a small number of instructions. |
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