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

The instrumentation (profile‐instr‐gen) pass for IR based PGO.

== Synopsis

Declared in `<llvm/Transforms/Instrumentation/PGOInstrumentation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class PGOInstrumentationGenCreateVar
    : public xref:llvm/OptionalPassInfoMixin-0246.adoc[OptionalPassInfoMixin<PGOInstrumentationGenCreateVar>]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/OptionalPassInfoMixin-0246.adoc[OptionalPassInfoMixin<PGOInstrumentationGenCreateVar>]`
| A CRTP mix‐in for passes that can be skipped.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/PGOInstrumentationGenCreateVar/2constructor.adoc[`PGOInstrumentationGenCreateVar`]         [.small]#[constructor]#
| Construct a pass that creates COMDAT profile variables for CSPGO.
| xref:llvm/PGOInstrumentationGenCreateVar/run.adoc[`run`] 
| Create COMDAT profile variables in `M` for context‐sensitive PGO.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/PGOInstrumentationGenCreateVar/isRequired.adoc[`isRequired`] 
| Return false; optional passes may be skipped.
|===



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