[#llvm-canCreatePoison-0a]
= xref:llvm.adoc[llvm]::canCreatePoison
:relfileprefix: ../
:mrdocs:

`canCreatePoison` overloads

== Synopses

Declared in `<llvm/Analysis/ValueTracking.h>`

Return true if `Op` can create poison from non‐poison operands.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
xref:llvm/canCreatePoison-02.adoc[canCreatePoison](
    xref:llvm/Operator.adoc[Operator] const* Op,
    bool ConsiderFlagsAndMetadata = true);
----

[.small]#xref:llvm/canCreatePoison-02.adoc[_» more..._]#

Returns true if `Reg` can create poison from non‐poison operands.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
xref:llvm/canCreatePoison-01.adoc[canCreatePoison](
    xref:llvm/Register.adoc[Register] Reg,
    xref:llvm/MachineRegisterInfo.adoc[MachineRegisterInfo] const& MRI,
    bool ConsiderFlagsAndMetadata = true);
----

[.small]#xref:llvm/canCreatePoison-01.adoc[_» more..._]#

== Return Value

* True if `Op` can create poison.
* True if `Reg` can create poison from non‐poison operands.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Op*
| Operator that may introduce poison.
| *ConsiderFlagsAndMetadata*
| Whether poison‐generating flags/metadata count.
| *Reg*
| Virtual register whose defining instruction is tested.
| *MRI*
| Register information for the function.
|===


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