[#llvm-AMDGPU-isCPUValidForSubArch-01]
= xref:llvm.adoc[llvm]::xref:llvm/AMDGPU.adoc[AMDGPU]::isCPUValidForSubArch
:relfileprefix: ../../
:mrdocs:

Return true if GPU name `CPU` is usable with triple subarch `SubArch.`

== Synopsis

Declared in `<llvm/TargetParser/AMDGPUTargetParser.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isCPUValidForSubArch(
    xref:llvm/Triple/SubArchType.adoc[Triple::SubArchType] SubArch,
    xref:llvm/StringRef.adoc[StringRef] CPU);
----

== Description

Convenience overload of isCPUValidForSubArch taking a GPU name `CPU,` which is parsed via parseArchAMDGCN. An unrecognized name is never valid.

== Return Value

True if `CPU` is valid for `SubArch.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *SubArch*
| Triple subarch to validate against.
| *CPU*
| GPU name to parse and check.
|===


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