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

Called when beginning visitation of function `F.`

== Synopsis

Declared in `<llvm/IR/InstVisitor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
visitFunction(xref:llvm/Function.adoc[Function]& F);
----

== Description

Override to run code once per function before its blocks are visited. The default implementation does nothing.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *F*
| The function being entered.
|===


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