[#llvm-Function-viewCFG-07]
= xref:llvm.adoc[llvm]::xref:llvm/Function.adoc[Function]::viewCFG
:relfileprefix: ../../
:mrdocs:

Display this function's CFG with optional edge weights and output file.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
viewCFG(
    bool ViewCFGOnly,
    xref:llvm/BlockFrequencyInfo.adoc[BlockFrequencyInfo] const* BFI,
    xref:llvm/BranchProbabilityInfo.adoc[BranchProbabilityInfo] const* BPI,
    char const* OutputFileName = nullptr) const;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ViewCFGOnly*
| If true, omit basic‐block contents from graph nodes.
| *BFI*
| Optional block frequency info for edge labels, or null.
| *BPI*
| Optional branch probability info for edge labels, or null.
| *OutputFileName*
| Optional path for the generated dot file, or null.
|===


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