[#llvm-createOrderedReduction-0c]
= xref:llvm.adoc[llvm]::createOrderedReduction
:relfileprefix: ../
:mrdocs:

Overloaded function to generate vector‐predication intrinsics for ordered reduction.

== Synopsis

Declared in `<llvm/Transforms/Utils/LoopUtils.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:llvm/Value.adoc[Value]*
createOrderedReduction(
    xref:llvm/IRBuilderBase.adoc[IRBuilderBase]& B,
    xref:llvm/RecurKind.adoc[RecurKind] RdxKind,
    xref:llvm/Value.adoc[Value]* Src,
    xref:llvm/Value.adoc[Value]* Start,
    xref:llvm/Value.adoc[Value]* Mask,
    xref:llvm/Value.adoc[Value]* EVL);
----

== Return Value

The predicated ordered reduction result.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *B*
| IR builder used to create the reduction.
| *RdxKind*
| Recurrence kind describing the ordered reduction.
| *Src*
| Vector value being reduced.
| *Start*
| Initial accumulator value.
| *Mask*
| Predication mask for active lanes.
| *EVL*
| Explicit vector length for the reduction.
|===


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