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Add test for 6350 #6369

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merged 3 commits into from
May 6, 2021
Merged

Add test for 6350 #6369

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0cb1626
Add test for 6350
enavarro51 May 6, 2021
0c64010
Move import
enavarro51 May 6, 2021
99682ac
Merge branch 'main' into skip_target_test_6095
enavarro51 May 6, 2021
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39 changes: 39 additions & 0 deletions test/python/transpiler/test_basis_translator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
from qiskit.quantum_info import Operator
from qiskit.transpiler.exceptions import TranspilerError
from qiskit.transpiler.passes.basis import BasisTranslator, UnrollCustomDefinitions
from qiskit.test.mock import FakeAthens


from qiskit.circuit.library.standard_gates.equivalence_library import (
Expand Down Expand Up @@ -816,3 +817,41 @@ def test_condition_set_substitute_node(self):
expected.measure(1, 1)
expected.u2(0, pi, 0).c_if(cr, 1)
self.assertEqual(circ_transpiled, expected)

def test_skip_target_basis_equivalences_1(self):
"""Test that BasisTranslator skips gates in the target_basis - #6085"""

qstr = 'OPENQASM 2.0; \
include "qelib1.inc"; \
qreg q[5]; \
cu1(4.1564508) q[2],q[3]; \
ccx q[0],q[1],q[4]; \
rzz(0.48622471) q[0],q[2]; \
ccx q[3],q[4],q[1]; \
ch q[2],q[0]; \
y q[3]; \
cu3(2.5787688,1.3265772,3.1398664) q[1],q[4]; \
id q[0]; \
y q[1]; \
t q[2]; \
t q[3]; \
tdg q[4]; \
cz q[0],q[1]; \
ccx q[2],q[4],q[3]; \
rx(5.976651) q[1]; \
u3(4.8520889,3.6025647,5.7475542) q[2]; \
cswap q[0],q[3],q[4]; \
rz(2.1885681) q[2]; \
cu3(2.7675189,4.5725211,2.9940136) q[0],q[3]; \
cx q[1],q[4];'
circ = QuantumCircuit()
circ = circ.from_qasm_str(qstr)

circ_transpiled = transpile(
circ,
backend=FakeAthens(),
basis_gates=["id", "rz", "sx", "x", "cx"],
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This line is a bit redundant because FakeAthens already has this basis set, but it doesn't hurt anything.

routing_method="sabre",
seed_transpiler=42,
)
self.assertEqual(circ_transpiled.count_ops(), {"cx": 91, "rz": 66, "sx": 22})