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

Return the number of formal arguments.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
arg_size() const;
----

== Return Value

The number of formal arguments.


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