[#llvm-BitCodeAbbrev]
= xref:llvm.adoc[llvm]::BitCodeAbbrev
:relfileprefix: ../
:mrdocs:

Abbreviation record that stores a complex record in a specialized format.

== Synopsis

Declared in `<llvm/Bitstream/BitCodes.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class BitCodeAbbrev;
----

== Description

An abbreviation allows a complex record that has redundancy to be stored in a specialized format instead of the fully‐general, fully‐vbr, format.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/BitCodeAbbrev/2constructor-06.adoc[`BitCodeAbbrev`]         [.small]#[constructor]#
| Constructors
| xref:llvm/BitCodeAbbrev/Add.adoc[`Add`] 
| Append an operand descriptor to this abbreviation.
| xref:llvm/BitCodeAbbrev/getNumOperandInfos.adoc[`getNumOperandInfos`] 
| Return the number of operands in this abbreviation.
| xref:llvm/BitCodeAbbrev/getOperandInfo.adoc[`getOperandInfo`] 
| Return the operand descriptor at index `N.`
|===



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