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Use InverseCancellation in opt level 1 instead of CXCancellation #11210

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merged 2 commits into from
Nov 8, 2023
Merged

Use InverseCancellation in opt level 1 instead of CXCancellation #11210

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a534744
Use InverseCancellation in opt level 1 instead of CXCancellation
mtreinish Nov 7, 2023
7b99040
Add sx sx dagger inverse pair to pass
mtreinish Nov 8, 2023
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36 changes: 34 additions & 2 deletions qiskit/transpiler/preset_passmanagers/builtin_plugins.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,14 +39,31 @@
CommutativeCancellation,
Collect2qBlocks,
ConsolidateBlocks,
CXCancellation,
InverseCancellation,
)
from qiskit.transpiler.passes import Depth, Size, FixedPoint, MinimumPoint
from qiskit.transpiler.passes.utils.gates_basis import GatesInBasis
from qiskit.transpiler.passes.synthesis.unitary_synthesis import UnitarySynthesis
from qiskit.passmanager.flow_controllers import ConditionalController
from qiskit.transpiler.timing_constraints import TimingConstraints
from qiskit.transpiler.passes.layout.vf2_layout import VF2LayoutStopReason
from qiskit.circuit.library.standard_gates import (
CXGate,
ECRGate,
CZGate,
XGate,
YGate,
ZGate,
TGate,
TdgGate,
SwapGate,
SGate,
SdgGate,
HGate,
CYGate,
SXGate,
SXdgGate,
)


class DefaultInitPassManager(PassManagerStagePlugin):
Expand Down Expand Up @@ -468,7 +485,22 @@ def _opt_control(property_set):
Optimize1qGatesDecomposition(
basis=pass_manager_config.basis_gates, target=pass_manager_config.target
),
CXCancellation(),
InverseCancellation(
[
CXGate(),
ECRGate(),
CZGate(),
CYGate(),
XGate(),
YGate(),
ZGate(),
HGate(),
SwapGate(),
(TGate(), TdgGate()),
(SGate(), SdgGate()),
(SXGate(), SXdgGate()),
]
),
]
elif optimization_level == 2:
# Steps for optimization level 2
Expand Down