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

New PM pass that prepares inline asm for SelectionDAG codegen.

== Synopsis

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

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

== Description

Lowers inline asm calls (notably callbr) so SelectionDAG can insert register copies along edges to indirect targets.

== Base Classes

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

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/InlineAsmPreparePass/run.adoc[`run`] 
| Prepare inline asm in `F` for SelectionDAG code generation.
|===


== Static Member Functions

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



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