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

Create a legacy pass that views a label‐only region graph.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:llvm/FunctionPass.adoc[FunctionPass]*
createRegionOnlyViewerPass();
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== Return Value

A FunctionPass that displays a label‐only region graph in a viewer.


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