Remove xdsl-plugin entry point from setup.py

frontend/catalyst/python_interface/doc/unified_compiler_cookbook.rst

@@ -664,10 +664,12 @@ currently rely on JAX’s API to lower to MLIR. This has the special
 effect of lowering to a specific dialect called StableHLO, which is used
 to represent all arithmetic operations present in the program.
 
-Once lowered to MLIR, if the original ``qjit`` decorator specified the
-xDSL pass plugin, we pass control over to the xDSL layer, which applies
-all transforms that were requested by the user. We can request the use
-of the xDSL plugin like so:
+nce lowered to MLIR, if any xDSL registered passes are detected, we pass the control over to 
+the xDSL layer, which automatically detects and applies all xDSL transforms that were requested
+by the user.
+
+However, if you want to manually trigger the xDSL layer without using any xDSL registered passes,
+you can do so by specifying the ``pass_plugins`` parameter:
 
 .. code-block:: python
 
@@ -1003,9 +1005,7 @@ currently accessible as
     qml.capture.enable()
     dev = qml.device("lightning.qubit", wires=1)
 
-    @qml.qjit(
-        pass_plugins=[catalyst.passes.xdsl_plugin.getXDSLPluginAbsolutePath()]
-    )
+    @qml.qjit
     @my_pass
     @qml.qnode(dev)
     def circuit(x):
@@ -1295,8 +1295,6 @@ will explain what is going on.
 
 .. code-block:: python
 
-    from catalyst.passes.xdsl_plugin import getXDSLPluginAbsolutePath
-
     def test_h_to_x_pass_integration(run_filecheck_qjit):
         """Test that Hadamard gets converted into PauliX."""
         # The original program simply applies a Hadamard to a circuit
@@ -1305,7 +1303,7 @@ will explain what is going on.
         # `compiler_transform`. To make sure that the xDSL API works
         # correctly, program capture must be enabled.
         # qml.capture.enable()
-        @qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath])
+        @qml.qjit
         @h_to_x_pass
         def circuit():
             # CHECK: [[q0:%.+]] = "test.op"() : () -> !quantum.bit

frontend/test/pytest/python_interface/conftest.py

@@ -184,7 +184,7 @@ def test_qjit(self, run_filecheck_qjit):
             # Test that the merge_rotations_pass works as expected when used with `qjit`
             dev = qml.device("lightning.qubit", wires=2)
 
-            @qml.qjit(target="mlir", pass_plugins=[getXDSLPluginAbsolutePath()])
+            @qml.qjit(target="mlir")
             @merge_rotations_pass
             @qml.qnode(dev)
             def circuit(x: float, y: float):

frontend/test/pytest/python_interface/inspection/test_draw_unified_compiler.py

@@ -23,7 +23,6 @@
 import jax
 import pennylane as qml
 
-from catalyst.passes.xdsl_plugin import getXDSLPluginAbsolutePath
 from catalyst.python_interface.inspection import draw
 from catalyst.python_interface.transforms import (
     iterative_cancel_inverses_pass,
@@ -91,9 +90,7 @@ def test_multiple_levels_xdsl(self, transforms_circuit, level, qjit, expected):
         )
 
         if qjit:
-            transforms_circuit = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(
-                transforms_circuit
-            )
+            transforms_circuit = qml.qjit(transforms_circuit)
 
         assert draw(transforms_circuit, level=level)() == expected
 
@@ -127,9 +124,7 @@ def test_multiple_levels_catalyst(self, transforms_circuit, level, qjit, expecte
         )
 
         if qjit:
-            transforms_circuit = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(
-                transforms_circuit
-            )
+            transforms_circuit = qml.qjit(transforms_circuit)
 
         assert draw(transforms_circuit, level=level)() == expected
 
@@ -162,9 +157,7 @@ def test_multiple_levels_xdsl_catalyst(self, transforms_circuit, level, qjit, ex
             qml.transforms.merge_rotations(transforms_circuit)
         )
         if qjit:
-            transforms_circuit = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(
-                transforms_circuit
-            )
+            transforms_circuit = qml.qjit(transforms_circuit)
 
         assert draw(transforms_circuit, level=level)() == expected
 
@@ -208,9 +201,7 @@ def test_no_passes(self, transforms_circuit, level, qjit, expected):
         """Test that if no passes are applied, the circuit is still visualized."""
 
         if qjit:
-            transforms_circuit = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(
-                transforms_circuit
-            )
+            transforms_circuit = qml.qjit(transforms_circuit)
 
         assert draw(transforms_circuit, level=level)() == expected
 
@@ -487,7 +478,7 @@ def circ(arg):
     def adjoint_op_not_implemented(self):
         """Test that NotImplementedError is raised when AdjointOp is used."""
 
-        @qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qml.qjit
         @qml.qnode(qml.device("lightning.qubit", wires=1))
         def circuit():
             qml.adjoint(qml.QubitUnitary)(jax.numpy.array([[0, 1], [1, 0]]), wires=[0])
@@ -499,7 +490,7 @@ def circuit():
     def test_cond_not_implemented(self):
         """Test that NotImplementedError is raised when cond is used."""
 
-        @qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qml.qjit
         @qml.qnode(qml.device("lightning.qubit", wires=2))
         def circuit():
             m0 = qml.measure(0, reset=False, postselect=0)
@@ -512,7 +503,7 @@ def circuit():
     def test_for_loop_not_implemented(self):
         """Test that NotImplementedError is raised when for loop is used."""
 
-        @qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()], autograph=True)
+        @qml.qjit(autograph=True)
         @qml.qnode(qml.device("lightning.qubit", wires=1))
         def circuit():
             for _ in range(3):
@@ -525,7 +516,7 @@ def circuit():
     def test_while_loop_not_implemented(self):
         """Test that NotImplementedError is raised when while loop is used."""
 
-        @qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()], autograph=True)
+        @qml.qjit(autograph=True)
         @qml.qnode(qml.device("lightning.qubit", wires=1))
         def circuit():
             i = 0

frontend/test/pytest/python_interface/inspection/test_mlir_graph.py

@@ -24,7 +24,6 @@
 
 import pennylane as qml
 
-from catalyst.passes.xdsl_plugin import getXDSLPluginAbsolutePath
 from catalyst.python_interface.inspection import generate_mlir_graph
 from catalyst.python_interface.transforms import (
     iterative_cancel_inverses_pass,
@@ -68,7 +67,7 @@ def _():
             return qml.state()
 
         if qjit:
-            _ = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(_)
+            _ = qml.qjit(_)
 
         generate_mlir_graph(_)()
         assert collect_files(tmp_path) == {"QNode_level_0_no_transforms.svg"}
@@ -88,7 +87,7 @@ def _():
             return qml.state()
 
         if qjit:
-            _ = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(_)
+            _ = qml.qjit(_)
 
         generate_mlir_graph(_)()
         assert_files(
@@ -113,7 +112,7 @@ def _(x, y, w1, w2):
             return qml.state()
 
         if qjit:
-            _ = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(_)
+            _ = qml.qjit(_)
 
         generate_mlir_graph(_)(0.1, 0.2, 0, 1)
         assert_files(
@@ -138,7 +137,7 @@ def _(x, y, w1, w2):
             return qml.state()
 
         if qjit:
-            _ = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(_)
+            _ = qml.qjit(_)
 
         generate_mlir_graph(_)(0.1, 0.2, 0, 1)
         assert_files(
@@ -164,7 +163,7 @@ def _(x, y, w1, w2):
             return qml.state()
 
         if qjit:
-            _ = qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])(_)
+            _ = qml.qjit(_)
 
         generate_mlir_graph(_)(0.1, 0.2, 0, 1)
         assert_files(

frontend/test/pytest/python_interface/test_unified_compiler.py

@@ -301,7 +301,7 @@ def test_integration_catalyst_xdsl_pass_with_capture(self, capsys):
 
         assert capture_enabled()
 
-        @qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qjit
         @hello_world_pass
         @qml.qnode(qml.device("lightning.qubit", wires=2))
         def f(x):
@@ -319,7 +319,7 @@ def test_integration_catalyst_xdsl_pass_no_capture(self, capsys):
 
         assert not capture_enabled()
 
-        @qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qjit
         @apply_pass("hello-world")
         @qml.qnode(qml.device("lightning.qubit", wires=2))
         def f(x):
@@ -338,7 +338,7 @@ def test_integration_catalyst_mixed_passes_with_capture(self, capsys):
 
         assert capture_enabled()
 
-        @qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qjit
         @hello_world_pass
         @qml.transforms.cancel_inverses
         @qml.qnode(qml.device("lightning.qubit", wires=2))
@@ -359,7 +359,7 @@ def test_integration_catalyst_mixed_passes_no_capture(self, capsys):
 
         assert not capture_enabled()
 
-        @qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qjit
         @apply_pass("hello-world")
         @catalyst_cancel_inverses
         @qml.qnode(qml.device("lightning.qubit", wires=2))
@@ -495,7 +495,7 @@ def print_between_passes(_, module, __, pass_level=0):
             print("=== Between Pass ===")
             print(module)
 
-        @qml.qjit(pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qml.qjit
         @iterative_cancel_inverses_pass
         @merge_rotations_pass
         @qml.qnode(qml.device("null.qubit", wires=2))

frontend/test/pytest/python_interface/transforms/mbqc/test_xdsl_outline_state_evolution.py

@@ -22,7 +22,6 @@
 from pennylane.ftqc import RotXZX
 
 from catalyst.ftqc import mbqc_pipeline
-from catalyst.passes.xdsl_plugin import getXDSLPluginAbsolutePath
 from catalyst.python_interface.transforms import (
     OutlineStateEvolutionPass,
     convert_to_mbqc_formalism_pass,
@@ -147,10 +146,7 @@ def test_outline_state_evolution_no_error(self):
         """Test outline_state_evolution_pass does not raise error for circuit with classical
         operations only."""
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-        )
+        @qml.qjit(target="mlir")
         @outline_state_evolution_pass
         def circuit(x, y):
             return x * y + 5
@@ -165,10 +161,7 @@ def test_outline_state_evolution_no_terminal_op_error(self):
         # the program is captured.
         dev = qml.device("null.qubit", wires=10)
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-        )
+        @qml.qjit(target="mlir")
         @outline_state_evolution_pass
         @qml.qnode(dev)
         def circuit():
@@ -184,10 +177,7 @@ def test_outline_state_evolution_pass_only(self, run_filecheck_qjit):
         """Test the outline_state_evolution_pass only."""
         dev = qml.device("lightning.qubit", wires=1000)
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-        )
+        @qml.qjit(target="mlir")
         @outline_state_evolution_pass
         @qml.set_shots(1000)
         @qml.qnode(dev)
@@ -223,11 +213,7 @@ def test_outline_state_evolution_pass_with_convert_to_mbqc_formalism(self, run_f
         on lightning.qubit."""
         dev = qml.device("lightning.qubit", wires=1000)
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-            pipelines=mbqc_pipeline(),
-        )
+        @qml.qjit(target="mlir", pipelines=mbqc_pipeline())
         @decompose_graph_state_pass
         @convert_to_mbqc_formalism_pass
         @outline_state_evolution_pass
@@ -273,11 +259,7 @@ def test_outline_state_evolution_pass_with_mbqc_pipeline(self, run_filecheck_qji
         null.qubit."""
         dev = qml.device("null.qubit", wires=1000)
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-            pipelines=mbqc_pipeline(),
-        )
+        @qml.qjit(target="mlir", pipelines=mbqc_pipeline())
         @decompose_graph_state_pass
         @convert_to_mbqc_formalism_pass
         @measurements_from_samples_pass
@@ -323,11 +305,7 @@ def test_outline_state_evolution_pass_with_mbqc_pipeline_run_on_nullqubit(self):
         transform pipeline can be executed on null.qubit."""
         dev = qml.device("null.qubit", wires=1000)
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-            pipelines=mbqc_pipeline(),
-        )
+        @qml.qjit(target="mlir", pipelines=mbqc_pipeline())
         @decompose_graph_state_pass
         @convert_to_mbqc_formalism_pass
         @measurements_from_samples_pass
@@ -367,10 +345,7 @@ def while_fn(i):
             i = i + 1
             return i
 
-        @qml.qjit(
-            target="mlir",
-            pass_plugins=[getXDSLPluginAbsolutePath()],
-        )
+        @qml.qjit(target="mlir")
         @outline_state_evolution_pass
         @qml.qnode(dev)
         def circuit():

frontend/test/pytest/python_interface/transforms/quantum/test_xdsl_cancel_inverses.py

@@ -21,7 +21,6 @@
 
 import pennylane as qml
 
-from catalyst.passes.xdsl_plugin import getXDSLPluginAbsolutePath
 from catalyst.python_interface.transforms import (
     IterativeCancelInversesPass,
     iterative_cancel_inverses_pass,
@@ -194,7 +193,7 @@ def test_qjit(self, run_filecheck_qjit):
         """Test that the IterativeCancelInversesPass works correctly with qjit."""
         dev = qml.device("lightning.qubit", wires=2)
 
-        @qml.qjit(target="mlir", pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qml.qjit(target="mlir")
         @iterative_cancel_inverses_pass
         @qml.qnode(dev)
         def circuit():
@@ -212,7 +211,7 @@ def test_qjit_no_cancellation(self, run_filecheck_qjit):
         there are no operations that can be cancelled."""
         dev = qml.device("lightning.qubit", wires=2)
 
-        @qml.qjit(target="mlir", pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qml.qjit(target="mlir")
         @iterative_cancel_inverses_pass
         @qml.qnode(dev)
         def circuit():

frontend/test/pytest/python_interface/transforms/quantum/test_xdsl_combine_global_phases.py

@@ -20,7 +20,6 @@
 
 import pennylane as qml
 
-from catalyst.passes.xdsl_plugin import getXDSLPluginAbsolutePath
 from catalyst.python_interface.transforms import (
     CombineGlobalPhasesPass,
     combine_global_phases_pass,
@@ -224,7 +223,7 @@ def test_qjit(self, run_filecheck_qjit):
         """Test that the CombineGlobalPhasesPass works correctly with qjit."""
         dev = qml.device("lightning.qubit", wires=2)
 
-        @qml.qjit(target="mlir", pass_plugins=[getXDSLPluginAbsolutePath()])
+        @qml.qjit(target="mlir")
         @combine_global_phases_pass
         @qml.qnode(dev)
         def circuit(x: float, y: float):