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

Base class providing shared node and edge identifier types for PBQP graphs.

== Synopsis

Declared in `<llvm/CodeGen/PBQP/Graph.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class GraphBase;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:llvm/PBQP/GraphBase/EdgeId.adoc[`EdgeId`] 
| Identifier type for edges in a PBQP graph.
| xref:llvm/PBQP/GraphBase/NodeId.adoc[`NodeId`] 
| Identifier type for nodes in a PBQP graph.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/PBQP/GraphBase/invalidEdgeId.adoc[`invalidEdgeId`] 
| Returns a value representing an invalid (non‐existent) edge.
| xref:llvm/PBQP/GraphBase/invalidNodeId.adoc[`invalidNodeId`] 
| Returns a value representing an invalid (non‐existent) node.
|===


== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:llvm/PBQP/Graph-07.adoc[`Graph`] 
| PBQP Graph class. Instances of this class describe PBQP problems.
|===


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