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

A simple loop rotation transformation.

== Synopsis

Declared in `<llvm/Transforms/Scalar/LoopUnrollAndJamPass.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class LoopUnrollAndJamPass
    : public xref:llvm/OptionalPassInfoMixin-0246.adoc[OptionalPassInfoMixin<LoopUnrollAndJamPass>]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/OptionalPassInfoMixin-0246.adoc[OptionalPassInfoMixin<LoopUnrollAndJamPass>]`
| A CRTP mix‐in for passes that can be skipped.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/LoopUnrollAndJamPass/2constructor.adoc[`LoopUnrollAndJamPass`]         [.small]#[constructor]#
| Construct a LoopUnrollAndJam pass with the given optimization level.
| xref:llvm/LoopUnrollAndJamPass/run.adoc[`run`] 
| Run loop unroll‐and‐jam over the loop nest.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/LoopUnrollAndJamPass/isRequired.adoc[`isRequired`] 
| Return false; optional passes may be skipped.
|===



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