A single uniqued string.
Synopsis
Declared in <llvm/IR/Metadata.h>
class MDString
: public MetadataDescription
These are used to efficiently contain a byte sequence for metadata. MDString is always unnamed.
Base Classes
Name |
Description |
Root of the metadata hierarchy. |
Type Aliases
Name |
Description |
Iterator over the characters of this string. |
Enums
Name |
Description |
RTTI identifiers for concrete metadata subclasses. |
Member Functions
Name |
Description |
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Copy construction is deleted; MDString is uniqued and non‐copyable. |
Assignment operators |
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Pointer to the first byte of the string. |
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Return a pointer to the raw bytes of this metadata string. |
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Return a pointer one past the last byte of this metadata string. |
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Pointer to one byte past the end of the string. |
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Return the number of bytes in this metadata string. |
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Return the metadata kind ID for this node. |
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Return the string contents of this metadata. |
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Static Member Functions
Name |
Description |
Methods for support type inquiry through isa, cast, and dyn_cast. |
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Return existing string metadata for |
Static Data Members
Name |
Description |
Metadata IDs that may generate poison. |
Protected Enums
Name |
Description |
Active type of storage. |
Protected Member Functions
Name |
Description |
Default handling of a changed operand, which asserts. |
Protected Data Members
Name |
Description |
Storage flag for non‐uniqued, otherwise unowned, metadata. |
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One bit of subclass‐specific state packed into the metadata header. |
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Sixteen bits of subclass‐specific state packed into the metadata header. |
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Thirty‐two bits of subclass‐specific state packed into the metadata header. |
Friends
Name |
Description |
StringMapEntryStorage ‐ Holds the value in a StringMapEntry. |
Non-Member Functions
Name |
Description |
Lookup or compute a mapping for a piece of metadata. |
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Wrap a |
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