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

Constant‐fold an integer‐to‐float conversion opcode.

== Synopsis

Declared in `<llvm/CodeGen/GlobalISel/Utils.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional<APFloat>
ConstantFoldIntToFloat(
    unsigned int Opcode,
    xref:llvm/LLT.adoc[LLT] DstTy,
    xref:llvm/Register.adoc[Register] Src,
    xref:llvm/MachineRegisterInfo.adoc[MachineRegisterInfo] const& MRI);
----

== Return Value

The folded APFloat, or std::nullopt on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Opcode*
| Integer‐to‐float conversion opcode to fold.
| *DstTy*
| Destination floating‐point type.
| *Src*
| Source integer register.
| *MRI*
| Register information for the function.
|===


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