qiskit.transpiler.passes.GateDirection.run¶
-
GateDirection.run(dag)[source]¶ Run the GateDirection pass on dag.
Flips the cx nodes to match the directed coupling map. Modifies the input dag.
- Parameters
dag (DAGCircuit) – DAG to map.
- Returns
The rearranged dag for the coupling map
- Return type
- Raises
TranspilerError – If the circuit cannot be mapped just by flipping the cx nodes.