[#llvm-ReplaceInstWithInst-01]
= xref:llvm.adoc[llvm]::ReplaceInstWithInst
:relfileprefix: ../
:mrdocs:

Replace one instruction with another and copy its debug location.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
ReplaceInstWithInst(
    xref:llvm/Instruction.adoc[Instruction]* From,
    xref:llvm/Instruction.adoc[Instruction]* To);
----

== Description

Copies DebugLoc from From to To, if To doesn't already have a DebugLoc.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *From*
| Instruction to replace and delete.
| *To*
| Replacement instruction.
|===


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