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

Return the callee‐side argument number, or a negative value.

== Synopsis

Declared in `<llvm/Transforms/IPO/Attributor.h>`

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

== Description

If the associated value is an argument or call site argument, return its callee argument number; otherwise return a negative value. In contrast to `getCallSiteArgNo` this method will always return the "argument number" from the perspective of the callee. This may not be the same as the call site if this is a callback call.

== Return Value

The callee‐side argument number, or a negative value.


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