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

Update a DBG_VALUE whose value has been spilled to FrameIndex. Useful when modifying an instruction in place while iterating over a basic block.

== Synopsis

Declared in `<llvm/CodeGen/MachineInstrBuilder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
updateDbgValueForSpill(
    xref:llvm/MachineInstr.adoc[MachineInstr]& Orig,
    int FrameIndex,
    xref:llvm/Register.adoc[Register] Reg);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Orig*
| DBG_VALUE to rewrite in place.
| *FrameIndex*
| Frame index where the spilled value now lives.
| *Reg*
| Register whose debug operands should become the frame index.
|===


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