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

Callback that customizes a `TargetPassConfig` during TargetMachine setup.

== Synopsis

Declared in `<llvm/Target/RegisterTargetPassConfigCallback.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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using PassConfigCallback = std::function<void(xref:llvm/TargetMachine.adoc[TargetMachine]&, xref:llvm/legacy/PassManagerBase.adoc[legacy::PassManagerBase]&, xref:llvm/TargetPassConfig.adoc[TargetPassConfig]*)>;
----


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