Add deprecation warning for abstract circuits

qiskit_ibm_runtime/base_primitive.py

@@ -29,6 +29,7 @@
 from .runtime_job import RuntimeJob
 from .ibm_backend import IBMBackend
 from .utils.default_session import get_cm_session
+from .utils.utils import validate_isa_circuits
 from .constants import DEFAULT_DECODERS
 from .qiskit_runtime_service import QiskitRuntimeService
 
@@ -137,6 +138,9 @@ def _run_primitive(self, primitive_inputs: Dict, user_kwargs: Dict) -> RuntimeJo
         Returns:
             Submitted job.
         """
+        if self._backend and hasattr(self._backend, "target"):
+            validate_isa_circuits(primitive_inputs["circuits"], self._backend.target)
+
         combined = Options._merge_options(self._options, user_kwargs)
 
         if self._backend:

qiskit_ibm_runtime/utils/utils.py

@@ -17,19 +17,61 @@
 import os
 import re
 import hashlib
+import warnings
 from queue import Queue
 from threading import Condition
-from typing import List, Optional, Any, Dict, Union, Tuple
+from typing import List, Optional, Any, Dict, Union, Tuple, Sequence
 from urllib.parse import urlparse
 
 import requests
 from ibm_cloud_sdk_core.authenticators import (  # pylint: disable=import-error
     IAMAuthenticator,
 )
 from ibm_platform_services import ResourceControllerV2  # pylint: disable=import-error
+from qiskit.circuit import QuantumCircuit
+from qiskit.transpiler import Target
 from qiskit_ibm_runtime.exceptions import IBMInputValueError
 
 
+def is_isa_circuit(circuit: QuantumCircuit, target: Target) -> bool:
+    """Checks if the circuit is an ISA circuit, meaning that it has a layout and that it
+    only uses instructions that exist in the target.
+    Args:
+        circuit: A single QuantumCircuit
+        target: A Qiskit Target
+    Returns:
+        Boolean True if the circuit is an ISA circuit
+    """
+    if circuit.layout is None:
+        return False
+    for instruction in circuit.data:
+        name = instruction.operation.name
+        qargs = tuple(circuit.find_bit(x).index for x in instruction.qubits)
+        if not target.instruction_supported(name, qargs) and name != "barrier":
+            return False
+    return True
+
+
+def validate_isa_circuits(circuits: Sequence[QuantumCircuit], target: Target) -> None:
+    """Validate if all circuits are ISA circuits
+    Args:
+        circuits: A list of QuantumCircuits
+        target: A Qiskit Target
+    Raises:
+        NonISACircuitsError if some of the circuits are not ISA circuits
+    """
+    if not all(is_isa_circuit(circuit, target) for circuit in circuits):
+        warnings.warn(
+            "Circuits that do not match the target hardware definition will no longer be supported "
+            "after March 1, 2024. See the transpilation documentation "
+            "(https://docs.quantum.ibm.com/transpile) for instructions to transform circuits and "
+            "the primitive examples (https://docs.quantum.ibm.com/run/primitives-examples) to see "
+            "this coupled with operator transformations.",
+            DeprecationWarning,
+            stacklevel=6,
+        )
+
+
 def validate_job_tags(job_tags: Optional[List[str]]) -> None:
     """Validates input job tags.
 

releasenotes/notes/deprecate-abstract-circuits-d9bdc94b2be7ea21.yaml

@@ -0,0 +1,7 @@
+---
+deprecations:
+  - |
+    Circuits that do not match the target hardware definition will no longer be supported after March 1, 2024. 
+    See the transpilation documentation (https://docs.quantum.ibm.com/transpile) for instructions to 
+    transform circuits and the primitive examples (https://docs.quantum.ibm.com/run/primitives-examples) 
+    to see this coupled with operator transformations.