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

New PM pass that expands post‐RA pseudo instructions.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class ExpandPostRAPseudosPass
    : public xref:llvm/RequiredPassInfoMixin-047.adoc[RequiredPassInfoMixin<ExpandPostRAPseudosPass>]
----

== Description

Pseudoinstructions must be expanded regardless of optimization level; otherwise later passes (e.g., AsmPrinter) will fail.

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/RequiredPassInfoMixin-047.adoc[RequiredPassInfoMixin<ExpandPostRAPseudosPass>]`
| A CRTP mix‐in for passes that should not be skipped.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/ExpandPostRAPseudosPass/run.adoc[`run`] 
| Expand post‐RA pseudo instructions in `MF.`
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/ExpandPostRAPseudosPass/isRequired.adoc[`isRequired`] 
| Return true; required passes cannot be skipped.
|===



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