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

Emit a call to the hot/cold aligned operator new function.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:llvm/Value.adoc[Value]*
emitHotColdNewAligned(
    xref:llvm/Value.adoc[Value]* Num,
    xref:llvm/Value.adoc[Value]* Align,
    xref:llvm/IRBuilderBase.adoc[IRBuilderBase]& B,
    xref:llvm/TargetLibraryInfo.adoc[TargetLibraryInfo] const* TLI,
    xref:llvm/LibFunc.adoc[LibFunc] NewFunc,
    xref:llvm/Value.adoc[Value]* HotCold);
----

== Return Value

The aligned new call, or null if unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Num*
| Number of bytes to allocate.
| *Align*
| Alignment requested for the allocation.
| *B*
| IR builder used to create the call.
| *TLI*
| Target library info describing available libcalls.
| *NewFunc*
| LibFunc identifying which operator new to call.
| *HotCold*
| Hot/cold hint argument for the allocator.
|===


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