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

Pass that displays a function CFG in a Graphviz viewer.

== Synopsis

Declared in `<llvm/Analysis/CFGPrinter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class CFGViewerPass
    : public xref:llvm/RequiredPassInfoMixin-047.adoc[RequiredPassInfoMixin<CFGViewerPass>]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/RequiredPassInfoMixin-047.adoc[RequiredPassInfoMixin<CFGViewerPass>]`
| A CRTP mix‐in for passes that should not be skipped.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/CFGViewerPass/run.adoc[`run`] 
| Display the function CFG in a viewer, including basic‐block contents.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/CFGViewerPass/isRequired.adoc[`isRequired`] 
| Return true; required passes cannot be skipped.
|===



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