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

New PM pass that performs late (post‐regalloc) tail duplication.

== Synopsis

Declared in `<llvm/CodeGen/TailDuplication.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class TailDuplicatePass
    : public xref:llvm/TailDuplicatePassBase-03.adoc[TailDuplicatePassBase<TailDuplicatePass, false>]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/TailDuplicatePassBase-03.adoc[TailDuplicatePassBase<TailDuplicatePass, false>]`
| CRTP base for new‐PM machine‐function tail‐duplication passes.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/TailDuplicatePass/run.adoc[`run`] 
| Duplicate eligible block tails in `MF.`
|===



[.small]#Created with https://www.mrdocs.com[MrDocs]#