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

Return true if `MRI` indicates both modification and reference.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
bool
isModAndRefSet(xref:llvm/ModRefInfo.adoc[ModRefInfo] const MRI);
----

== Return Value

True if `MRI` indicates both modification and reference.

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *MRI*
| Mod/ref flags to test.
|===


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