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

Methods for support type inquiry through isa, cast, and dyn_cast.

== Synopsis

Declared in `<llvm/Analysis/ScalarEvolutionExpressions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
classof(xref:llvm/SCEV.adoc[SCEV] const* S);
----

== Return Value

True if `S` is a SCEVZeroExtendExpr.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *S*
| SCEV to test.
|===


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