[#llvm-shouldOptimizeForSize-03]
= xref:llvm.adoc[llvm]::shouldOptimizeForSize
:relfileprefix: ../
:mrdocs:

Returns true if basic block `BB` is suggested to be size‐optimized based on the profile.

== Synopsis

Declared in `<llvm/Transforms/Utils/SizeOpts.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
shouldOptimizeForSize(
    xref:llvm/BasicBlock.adoc[BasicBlock] const* BB,
    xref:llvm/ProfileSummaryInfo.adoc[ProfileSummaryInfo]* PSI,
    xref:llvm/BlockFrequencyInfo.adoc[BlockFrequencyInfo]* BFI,
    xref:llvm/PGSOQueryType.adoc[PGSOQueryType] QueryType = PGSOQueryType::Other);
----

== Return Value

True if `BB` should be optimized for size.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *BB*
| The basic block to consider for size optimization.
| *PSI*
| Profile summary information used to classify hot/cold code.
| *BFI*
| Block frequency information for the enclosing function.
| *QueryType*
| The caller context of this size‐optimization query.
|===


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