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Arm backend: Do not skip _fuse_duplicate_users pass #19017

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Merged
mansnils merged 1 commit into from
Apr 22, 2026
+11 −7
Merged

Arm backend: Do not skip _fuse_duplicate_users pass #19017

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12 changes: 11 additions & 1 deletion backends/arm/test/misc/test_compile_spec.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,10 @@

import warnings

from executorch.backends.arm.common.pipeline_config import SoftmaxDecompositionConfig
from executorch.backends.arm.common.pipeline_config import (
FuseDuplicateUsersConfig,
SoftmaxDecompositionConfig,
)
from executorch.backends.arm.ethosu import EthosUCompileSpec
from executorch.backends.arm.tosa.compile_spec import TosaCompileSpec
from executorch.backends.arm.vgf import VgfCompileSpec
Expand Down Expand Up @@ -63,6 +66,13 @@ def test_compile_spec_vgf_no_quant():
EthosUCompileSpec._from_list(spec_list)


def test_compile_spec_vgf_defaults_to_enabled_fuse_duplicate_users():
compile_spec = VgfCompileSpec()
pipeline_config = compile_spec._get_pass_pipeline_config()

assert pipeline_config.fuse_duplicate_users == FuseDuplicateUsersConfig.ENABLED


def test_compile_spec_tosa_INT():
compile_spec = TosaCompileSpec("TOSA-1.0+INT")
spec_list = compile_spec._to_list()
Expand Down
6 changes: 0 additions & 6 deletions backends/arm/vgf/compile_spec.py
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Expand Up @@ -66,9 +66,3 @@ def _validate(self):
def _get_output_format(cls) -> str:
"""Return the artifact format emitted by this compile spec."""
return "vgf"

def _create_default_pipeline_config(self) -> ArmPassPipelineConfig:
config = super()._create_default_pipeline_config()
# GRPHCOMP-3140 / MLETORCH-1529
config.disable_fuse_duplicate_users()
return config
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