Fix test.python.circuit.test_controlled_gate.TestControlledGate.test_…

…mc_failure_without_annotation:

 * Sloppy attept at adding control flow instructions to target gate name mapping (100% could be more efficient)

 * Suport target with basis_gates but qubits=None in Optimizq1qGatesDecomposition

qiskit/transpiler/passes/optimization/optimize_1q_decomposition.py

@@ -94,6 +94,9 @@ def __init__(self, basis=None, target=None):
         elif target is None:
             self._global_decomposers = _possible_decomposers(None)
             self._basis_gates = None
+        else:
+            self._global_decomposers = _possible_decomposers(set(target.operation_names))
+            self._basis_gates = None
 
         self.error_map = self._build_error_map()
 

qiskit/transpiler/preset_passmanagers/generate_preset_pass_manager.py

@@ -18,6 +18,12 @@
 import warnings
 
 from qiskit.circuit.controlflow import CONTROL_FLOW_OP_NAMES
+from qiskit.circuit.controlflow import (
+    IfElseOp,
+    WhileLoopOp,
+    ForLoopOp,
+    SwitchCaseOp,
+)
 from qiskit.circuit.library.standard_gates import get_standard_gate_name_mapping
 from qiskit.circuit.quantumregister import Qubit
 from qiskit.providers.backend import Backend
@@ -35,6 +41,14 @@
 from .level2 import level_2_pass_manager
 from .level3 import level_3_pass_manager
 
+CONTROL_FLOW_MAPPING = {
+    "if_else": IfElseOp,
+    "while_loop": WhileLoopOp,
+    "for_loop": ForLoopOp,
+    "switch_case": SwitchCaseOp,
+}
+
+
 def generate_preset_pass_manager(
     optimization_level=2,
     backend=None,
@@ -277,7 +291,12 @@ def generate_preset_pass_manager(
             stacklevel=2,
         )
 
-    if target is None and backend is None and scheduling_method is not None and coupling_map is None:
+    if (
+        target is None
+        and backend is None
+        and scheduling_method is not None
+        and coupling_map is None
+    ):
         warnings.warn(
             "A coupling map is required for the scheduling stage. "
             "It must be defined through the `target` or "
@@ -286,7 +305,6 @@ def generate_preset_pass_manager(
             stacklevel=2,
         )
 
-
     # Check if a custom inst_map was specified before overwriting inst_map
     _given_inst_map = bool(inst_map)
     # If there are no loose constraints => use backend target if available
@@ -330,7 +348,11 @@ def generate_preset_pass_manager(
             # try:
             target = Target.from_configuration(
                 basis_gates=basis_gates,
-                num_qubits=backend.num_qubits if backend is not None else coupling_map.size() if coupling_map is not None else None,
+                num_qubits=(
+                    backend.num_qubits
+                    if backend is not None
+                    else coupling_map.size() if coupling_map is not None else None
+                ),
                 coupling_map=coupling_map,
                 # If the instruction map has custom gates, do not give as config, the information
                 # will be added to the target with update_from_instruction_schedule_map
@@ -438,6 +460,7 @@ def _parse_basis_gates(basis_gates, backend, inst_map, skip_target):
         for name in default_gates:
             if name not in instructions:
                 instructions.add(name)
+        name_mapping.update({name: CONTROL_FLOW_MAPPING[name] for name in CONTROL_FLOW_OP_NAMES})
     except TypeError:
         instructions = None
 

test/python/circuit/test_scheduled_circuit.py

@@ -329,7 +329,7 @@ def test_per_qubit_durations(self):
         sc = transpile(
             qc,
             scheduling_method="alap",
-            coupling_map=[[0,1]],
+            coupling_map=[[0, 1]],
             basis_gates=["h", "cx"],
             instruction_durations=[("h", None, 200), ("cx", [0, 1], 700)],
         )