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

This pass is executed POST‐RA to collect which physical registers are preserved by given machine function.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:llvm/FunctionPass.adoc[FunctionPass]*
createRegUsageInfoCollector();
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== Return Value

The newly created FunctionPass.


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