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

Assignment Tracking (at).

== Types

[cols="1,4"]
|===
| Name| Description
| xref:llvm/at/AssignmentInfo.adoc[`AssignmentInfo`] 
| Describes properties of a store that has a static size and offset into a some base storage. Used by the getAssignmentInfo functions.
| xref:llvm/at/VarRecord.adoc[`VarRecord`] 
| Variable identity for trackAssignments, without fragment info.
|===


== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:llvm/at/AssignmentInstRange.adoc[`AssignmentInstRange`] 
| A range of instructions.
| xref:llvm/at/StorageToVarsMap.adoc[`StorageToVarsMap`] 
| Map from alloca backing storage to variables stored there.
|===


== Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/at/RAUW.adoc[`RAUW`] 
| Replace all uses (and attachments) of `Old` with `New.`
| xref:llvm/at/calculateFragmentIntersect.adoc[`calculateFragmentIntersect`] 
| Calculate the fragment of the variable in `DVRAssign` covered from (Dest + SliceOffsetInBits) to to (Dest + SliceOffsetInBits + SliceSizeInBits)
| xref:llvm/at/deleteAll.adoc[`deleteAll`] 
| Remove all Assignment Tracking related intrinsics and metadata from `F.`
| xref:llvm/at/deleteAssignmentMarkers.adoc[`deleteAssignmentMarkers`] 
| Delete the llvm.dbg.assign intrinsics linked to `Inst.`
| xref:llvm/at/getAssignmentInfo-04.adoc[`getAssignmentInfo`] 
| `getAssignmentInfo` overloads
| xref:llvm/at/getAssignmentInsts-07.adoc[`getAssignmentInsts`] 
| `getAssignmentInsts` overloads
| xref:llvm/at/getDVRAssignmentMarkers.adoc[`getDVRAssignmentMarkers`] 
| Return a range of dbg_assign records for which `Inst` performs the assignment they encode.
| xref:llvm/at/remapAssignID.adoc[`remapAssignID`] 
| Replace DIAssignID uses and attachments with IDs from `Map.` If an ID is unmapped a new ID is generated and added to `Map.`
| xref:llvm/at/trackAssignments.adoc[`trackAssignments`] 
| Track assignments to `Vars` between `Start` and `End.`
| xref:llvm/at/operator_eq.adoc[`operator==`] 
| Return true if both records refer to the same variable and location.
| xref:llvm/at/operator_lt.adoc[`operator<`] 
| Order by variable pointer, then debug location.
|===



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