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

Strategy to insert PHI Nodes at the head of each basic block.

== Synopsis

Declared in `<llvm/FuzzMutate/IRMutator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class InsertPHIStrategy
    : public xref:llvm/IRMutationStrategy.adoc[IRMutationStrategy]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/IRMutationStrategy.adoc[IRMutationStrategy]`
| Base class for describing how to mutate a module. mutation functions for each IR unit forward to the contained unit.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/InsertPHIStrategy/getWeight.adoc[`getWeight`]  [.small]#[virtual]#
| Provide a fixed weight for PHI‐node insertion.
| xref:llvm/InsertPHIStrategy/mutate-06.adoc[`mutate`] 
| `mutate` overloads
|===



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