[#llvm-LiveIntervals-createAndComputeVirtRegInterval-0e]
= xref:llvm.adoc[llvm]::xref:llvm/LiveIntervals.adoc[LiveIntervals]::createAndComputeVirtRegInterval
:relfileprefix: ../../
:mrdocs:

Create and compute the live interval for `Reg,` reporting if a split is needed.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:llvm/LiveInterval.adoc[LiveInterval]&
createAndComputeVirtRegInterval(
    xref:llvm/Register.adoc[Register] Reg,
    bool& NeedSplit);
----

== Return Value

Newly created and computed live interval for `Reg.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Reg*
| Virtual register whose interval is created and computed.
| *NeedSplit*
| Set to true if the computed interval may need splitting.
|===


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