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

Return the outermost cycle made divergent by a join of paths from `DivTermBlock` through `JoinBlock.`

== Synopsis

Declared in `<llvm/ADT/GenericUniformityImpl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename ContextT,
    typename CycleInfoT,
    typename BlockT,
    typename DominatorTreeT>
xref:llvm/CycleRef.adoc[CycleRef]
getOutermostDivergentCycle(
    CycleInfoT const& CI,
    xref:llvm/CycleRef.adoc[CycleRef] Cycle,
    BlockT const* DivTermBlock,
    BlockT const* JoinBlock,
    DominatorTreeT const& DT,
    ContextT& Context);
----

== Return Value

Outermost divergent cycle, preferring the internal criterion, or null if none.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *CI*
| Cycle information for the function.
| *Cycle*
| Innermost cycle containing `JoinBlock` to expand from.
| *DivTermBlock*
| Block of the divergent terminator that seeded the paths.
| *JoinBlock*
| Block where diverged paths join.
| *DT*
| Dominator tree used for the internal‐divergence criterion.
| *Context*
| SSA context used for debug printing.
|===


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