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Move graph_builder and program_builder to executorch.backends.test (#18483) #18483

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Merged
meta-codesync merged 1 commit into from
Mar 26, 2026
Merged

Move graph_builder and program_builder to executorch.backends.test (#18483) #18483

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38 changes: 16 additions & 22 deletions backends/cadence/aot/BUCK
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Original file line number Diff line number Diff line change
Expand Up @@ -227,8 +227,7 @@ fbcode_target(_kind = runtime.python_library,
],
typing = True,
deps = [
"fbcode//caffe2:torch",
"fbcode//executorch/exir:pass_base",
"//executorch/backends/test:graph_builder",
],
)

Expand All @@ -239,11 +238,7 @@ fbcode_target(_kind = runtime.python_library,
],
typing = True,
deps = [
":graph_builder",
"fbcode//caffe2:torch",
"fbcode//executorch/exir:lib",
"fbcode//executorch/exir:pass_base",
"fbcode//executorch/exir/verification:verifier",
"//executorch/backends/test:program_builder",
],
)

Expand All @@ -254,7 +249,7 @@ fbcode_target(_kind = python_unittest,
],
typing = True,
deps = [
":program_builder",
"//executorch/backends/test:program_builder",
"//caffe2:torch",
"//later:lib",
],
Expand Down Expand Up @@ -398,7 +393,7 @@ fbcode_target(_kind = python_unittest,
":typing_stubs",
":type_dispatch",
"//caffe2:torch",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/exir:pass_base",
"//executorch/exir/dialects:lib",
Expand Down Expand Up @@ -438,7 +433,7 @@ fbcode_target(_kind = python_unittest,
deps = [
":ops_registrations",
"//caffe2:torch",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/exir:pass_base",
"//executorch/exir/dialects:lib",
Expand All @@ -459,7 +454,7 @@ fbcode_target(_kind = python_unittest,
":replace_ops",
"//caffe2:torch",
"//executorch/backends/cadence/aot:compiler",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/exir:pass_base",
"//executorch/exir/dialects:lib",
Expand All @@ -480,7 +475,7 @@ fbcode_target(_kind = python_unittest,
"//caffe2:torch",
":typing_stubs",
"//executorch/backends/cadence/aot:compiler",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/exir:pass_base",
"//executorch/exir/dialects:lib",
Expand All @@ -501,7 +496,7 @@ fbcode_target(_kind = python_unittest,
"//caffe2:torch",
"//executorch/backends/cadence/aot:compiler",
"//executorch/backends/cadence/aot:fuse_ops",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:ops_registrations",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/exir/dialects:lib",
Expand All @@ -522,7 +517,7 @@ fbcode_target(_kind = python_unittest,
":compiler",
"//caffe2:torch",
"//executorch/backends/cadence/aot:compiler",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:ops_registrations",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/backends/cadence/aot:remove_ops",
Expand All @@ -542,7 +537,7 @@ fbcode_target(_kind = python_unittest,
":typing_stubs",
"//caffe2:torch",
"//executorch/backends/cadence/aot:compiler",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:ops_registrations",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/backends/cadence/aot:simplify_ops",
Expand All @@ -562,7 +557,7 @@ fbcode_target(_kind = python_unittest,
"//caffe2:torch",
"//executorch/backends/cadence/aot:compiler",
"//executorch/backends/cadence/aot:fuse_ops",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:ops_registrations",
"//executorch/backends/cadence/aot:pass_utils",
"//executorch/backends/cadence/aot:reorder_ops",
Expand Down Expand Up @@ -632,11 +627,11 @@ fbcode_target(_kind = python_unittest,
":typing_stubs",
":ops_registrations",
":pass_utils",
":program_builder",
"//executorch/backends/test:program_builder",
"//caffe2:torch",
"//executorch/exir:memory",
"//executorch/exir/dialects:lib",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/exir/tests:models",
],
)
Expand All @@ -648,8 +643,7 @@ fbcode_target(_kind = python_unittest,
],
typing = True,
deps = [
":program_builder",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot:ops_registrations",
"//executorch/runtime:runtime",
"//later:lib",
Expand Down Expand Up @@ -679,7 +673,7 @@ fbcode_target(_kind = python_unittest,
deps = [
"fbsource//third-party/pypi/parameterized:parameterized",
"//caffe2:torch",
"//executorch/backends/cadence/aot:graph_builder",
"//executorch/backends/test:graph_builder",
"//executorch/backends/cadence/aot/quantizer:quantizer",
"//executorch/exir:pass_base",
"//pytorch/ao:torchao",
Expand All @@ -694,7 +688,7 @@ fbcode_target(_kind = python_unittest,
typing = True,
deps = [
":ops_registrations",
":program_builder",
"//executorch/backends/test:program_builder",
":to_out_var_pass",
"//caffe2:torch",
"//executorch/exir:lib",
Expand Down
137 changes: 4 additions & 133 deletions backends/cadence/aot/graph_builder.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,137 +6,8 @@

# pyre-strict

import logging
from typing import Optional, Sequence, Union
# This module has moved to executorch.backends.test.graph_builder.
# This re-export exists for backward compatibility.
from executorch.backends.test.graph_builder import GraphBuilder, single_op_builder

import torch
from executorch.exir.pass_base import (
Argument,
ExportPass,
NodeMetadata,
PassResult,
ProxyValue,
)
from torch._dispatch.python import enable_python_dispatcher
from torch._subclasses import FakeTensor, FakeTensorMode
from torch.fx.node import Target
from torch.utils import _pytree as pytree


class GraphBuilder(ExportPass):
"""Utility class for creating a graph module with user-specified ops.

This class allows us to create test graph modules with any ops we want
directly, rather than relying on decomposition or passes.

Usage:
builder = GraphBuilder()
# To insert placeholders, use builder.placeholder.
x = builder.placeholder("x", torch.randn(1, 3, 224, 224))
# To insert an op, use builder.call_operator.
op = builder.call_operator(
some_op
(x, other_args, ...),
)
# Insert outputs as a list of ProxyValues using builder.output.
builder.output([op])
# Get GraphModule from builder.
gm = builder.get_graph_module()
"""

def __init__(self, fake_tensor_mode: Optional[FakeTensorMode] = None) -> None:
self.exporter = ExportPass()
self.tracer: ExportPass.ExportTracer = self.ExportTracer(
self, torch.fx.graph.CodeGen()
)
self.fake_tensor_mode: FakeTensorMode = fake_tensor_mode or FakeTensorMode(
allow_fallback_kernels=False,
allow_non_fake_inputs=True,
)
self.tracer.fake_tensor_mode = self.fake_tensor_mode

# This will be called to create nodes in tracer.
self.interpreter = torch.fx.Interpreter(
torch.fx.GraphModule(torch.nn.Module(), torch.fx.Graph())
)

# pyre-ignore[14]: Inconsistent override.
def placeholder(
self, target: str, fake_tensor: Union[FakeTensor, torch.Tensor]
) -> ProxyValue:
if not isinstance(fake_tensor, FakeTensor):
fake_tensor = self.fake_tensor_mode.from_tensor(fake_tensor)
logging.debug(f"Creating placeholder {target} => {fake_tensor.shape}")
placeholder = super().placeholder(target, fake_tensor, NodeMetadata({}))
return placeholder

# pyre-ignore[14]: Inconsistent override.
def output(self, results: list[ProxyValue]) -> ProxyValue:
logging.debug(f"Creating outputs {results}")
return super().output(results, NodeMetadata({}))

def get_graph_module(self) -> torch.fx.GraphModule:
return torch.fx.GraphModule(self.tracer.root, self.tracer.graph)

def call_operator(
self,
op, # pyre-ignore
args: tuple[Argument, ...],
kwargs: Optional[dict[str, Argument]] = None,
meta: Optional[NodeMetadata] = None,
) -> ProxyValue:
if meta is None:
meta = NodeMetadata({})
if kwargs is None:
kwargs = {}
return super().call_operator(op, args, kwargs, meta)

def call_submodule(
self, graph_module: torch.fx.GraphModule, inputs: tuple[Argument, ...]
) -> PassResult:
return ExportPass().call(graph_module)

def call_getitem(
self, value: ProxyValue, key: int, meta: Optional[NodeMetadata] = None
) -> ProxyValue:
return super().call_getitem(value, key, meta or NodeMetadata({}))

def _fx(
self,
kind: str,
target: torch.fx.node.Target,
args: tuple[Argument, ...],
kwargs: dict[str, Argument],
meta: NodeMetadata,
) -> ProxyValue:
with self.fake_tensor_mode, enable_python_dispatcher():
return super()._fx(kind, target, args, kwargs, meta)


def single_op_builder(
placeholders: Sequence[Union[torch.Tensor, FakeTensor]],
op: Target,
args: Sequence[Argument],
kwargs: Optional[dict[str, Argument]] = None,
) -> torch.fx.GraphModule:
"""Create a graph module with a single op.

Args:
placeholders: Placeholders to be used as inputs to the GraphModule.
op: The op to be inserted.
args: The args to be passed to the op.
kwargs: The kwargs to be passed to the op.

Returns:
A graph module with a single op
"""
builder = GraphBuilder()
op_to_placeholder_dict = {
p: builder.placeholder(f"p_{i}", p) for i, p in enumerate(placeholders)
}
proxy_args, proxy_kwargs = pytree.tree_map_only(
(torch.Tensor, FakeTensor), lambda x: op_to_placeholder_dict[x], (args, kwargs)
)
node = builder.call_operator(op, proxy_args, proxy_kwargs)
builder.output([node])
return builder.get_graph_module()
__all__ = ["GraphBuilder", "single_op_builder"]
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