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

New PM pass that replaces vector intrinsics with vector‐library calls.

== Synopsis

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

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

== Description

Replaces calls to LLVM vector intrinsics with matching calls to functions from a vector library (e.g., libmvec, SVML) according to TargetLibraryInfo.

== Base Classes

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

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/ReplaceWithVeclib/run.adoc[`run`] 
| Replace vector intrinsics in `F` with vector‐library calls.
|===


== Static Member Functions

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



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