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

Create a temporary file name suitable for writing a DOT graph.

== Synopsis

Declared in `<llvm/Support/GraphWriter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::string
createGraphFilename(
    xref:llvm/Twine.adoc[Twine] const& Name,
    int& FD);
----

== Return Value

The generated file path.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Name*
| Twine used as a prefix when generating the file name.
| *FD*
| Set to an open file descriptor for the created file, or ‐1 on failure.
|===


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