Arm backend: Move vgf files to own folder

Follow structure in ethosu folder.

Signed-off-by: Erik Lundell <[email protected]>
Change-Id: I5f51b87a054414a59245f895e20bf0c6368c4068

Author: Erik-Lundell

backends/arm/test/tester/arm_tester.py

@@ -62,7 +62,7 @@
 from executorch.backends.arm.tosa_partitioner import TOSAPartitioner
 from executorch.backends.arm.tosa_specification import get_tosa_spec, TosaSpecification
 
-from executorch.backends.arm.vgf_partitioner import VgfPartitioner
+from executorch.backends.arm.vgf import VgfPartitioner
 
 from executorch.backends.test.harness.stages import Stage, StageType
 from executorch.backends.xnnpack.test.tester import Tester

backends/arm/vgf/__init__.py

@@ -0,0 +1,14 @@
+# Copyright 2025 Arm Limited and/or its affiliates.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+#
+# pyre-unsafe
+
+from .backend import VgfBackend  # noqa: F401
+from .partitioner import VgfPartitioner  # noqa: F401
+
+__all__ = [
+    "VgfBackend",
+    "VgfPartitioner",
+]

backends/arm/vgf_backend.py backends/arm/vgf/backend.pybackends/arm/vgf_backend.py renamed to backends/arm/vgf/backend.py

@@ -11,7 +11,7 @@
     is_vgf,
 )  # usort: skip
 from executorch.backends.arm.tosa_partitioner import TOSAPartitioner
-from executorch.backends.arm.vgf_backend import VgfBackend
+from executorch.backends.arm.vgf import VgfBackend
 from executorch.exir.backend.compile_spec_schema import CompileSpec
 from executorch.exir.backend.partitioner import DelegationSpec
 from torch.fx.passes.operator_support import OperatorSupportBase

backends/arm/vgf_partitioner.py backends/arm/vgf/partitioner.pybackends/arm/vgf_partitioner.py renamed to backends/arm/vgf/partitioner.py

@@ -39,7 +39,7 @@
     MobileNetV2Evaluator,
 )
 
-from executorch.backends.arm.vgf_partitioner import VgfPartitioner
+from executorch.backends.arm.vgf import VgfPartitioner
 
 # To use Cortex-M backend
 from executorch.backends.cortex_m.passes.quantized_op_fusion_pass import (

examples/arm/aot_arm_compiler.py

@@ -172,7 +172,7 @@
    "outputs": [],
    "source": [
     "import os\n",
-    "from executorch.backends.arm.vgf_partitioner import VgfPartitioner\n",
+    "from executorch.backends.arm.vgf import VgfPartitioner\n",
     "from executorch.exir import (\n",
     "    EdgeCompileConfig,\n",
     "    ExecutorchBackendConfig,\n",