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Fix handling of nonpersistent buffers #2604

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Fix handling of nonpersistent buffers #2604

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14 changes: 13 additions & 1 deletion exir/lowered_backend_module.py
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Original file line number Diff line number Diff line change
Expand Up @@ -483,10 +483,22 @@ def _get_new_signature( # noqa: C901
elif is_tagged:
input_specs.append(orig_input_spec)

if orig_input_spec.kind in (InputKind.PARAMETER, InputKind.BUFFER):
if orig_input_spec.kind == InputKind.PARAMETER:
new_state_dict[orig_input_spec.target] = (
original_program.state_dict[orig_input_spec.target]
)
elif (
orig_input_spec.kind == InputKind.BUFFER
and orig_input_spec.persistent
):
new_state_dict[orig_input_spec.target] = (
original_program.state_dict[orig_input_spec.target]
)
elif orig_input_spec.kind == InputKind.BUFFER:
assert not orig_input_spec.persistent
new_constants[orig_input_spec.target] = original_program.constants[
orig_input_spec.target
]
elif orig_input_spec.kind in (
InputKind.CONSTANT_TENSOR,
InputKind.CUSTOM_OBJ,
Expand Down