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

Return whether `PassID` names a special pass ending with a suffix in `Specials.`

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isSpecialPass(
    xref:llvm/StringRef.adoc[StringRef] PassID,
    std::vector<StringRef> const& Specials);
----

== Return Value

True if `PassID` ends with a suffix listed in `Specials.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *PassID*
| Pass identification string, possibly with template arguments.
| *Specials*
| Suffixes that identify special pass names.
|===


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