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

Process‐wide singleton holding shared codegen data used across modules.

== Synopsis

Declared in `<llvm/CGData/CodeGenData.h>`

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

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/CodeGenData/2destructor.adoc[`~CodeGenData`] [.small]#[destructor]#
| Destroy the codegen data instance.
| xref:llvm/CodeGenData/emitCGData.adoc[`emitCGData`] 
| Returns true if we should write codegen data.
| xref:llvm/CodeGenData/getOutlinedHashTree.adoc[`getOutlinedHashTree`] 
| Returns the outlined hash tree. This can be globally used in a read‐only manner.
| xref:llvm/CodeGenData/getStableFunctionMap.adoc[`getStableFunctionMap`] 
| Return the published stable function map for read‐only use.
| xref:llvm/CodeGenData/hasOutlinedHashTree.adoc[`hasOutlinedHashTree`] 
| Returns true if we have a valid outlined hash tree.
| xref:llvm/CodeGenData/hasStableFunctionMap.adoc[`hasStableFunctionMap`] 
| Return true if a non‐empty stable function map has been published.
| xref:llvm/CodeGenData/publishOutlinedHashTree.adoc[`publishOutlinedHashTree`] 
| Publish the (globally) merged or read outlined hash tree.
| xref:llvm/CodeGenData/publishStableFunctionMap.adoc[`publishStableFunctionMap`] 
| Publish the (globally) merged or read stable function map.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/CodeGenData/getInstance.adoc[`getInstance`] 
| Return the process‐wide CodeGenData singleton.
|===



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