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

Pair of a memory access and the location being queried while walking up.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct UpwardDefsElem;
----

== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:llvm/UpwardDefsElem/Loc.adoc[`Loc`] 
| Memory location associated with `MA,` possibly after phi translation.
| xref:llvm/UpwardDefsElem/MA.adoc[`MA`] 
| Current memory access in the upward walk.
| xref:llvm/UpwardDefsElem/MayBeCrossIteration.adoc[`MayBeCrossIteration`] 
| True if the location may carry a cross‐iteration dependence.
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/upward_defs.adoc[`upward_defs`]
| Return a range walking upward defs from `Pair` with phi translation.
| xref:llvm/upward_defs_begin.adoc[`upward_defs_begin`]
| Return the begin iterator for an upward defs walk of `Pair.`
|===


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