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Handle case when native_schema is None #9377

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Merged
facebook-github-bot merged 1 commit into from
Mar 21, 2025
Merged

Handle case when native_schema is None #9377

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21 changes: 13 additions & 8 deletions exir/program/_program.py
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Original file line number Diff line number Diff line change
Expand Up @@ -995,17 +995,22 @@ def keep(op):

schema = op._schema
native_schema = _pybind_schema_to_native_schema(schema)
if native_schema.is_mutable:
if native_schema is None:
logging.warn(
f"Op {op} was requested for preservation by partitioner. This request is ignored because it is mutable."
f"Torchgen is not able to parse the schema of {op._schema}. This is not fatal."
)
return False
else:
if native_schema.is_mutable:
logging.warn(
f"Op {op} was requested for preservation by partitioner. This request is ignored because it is mutable."
)
return False

if native_schema.aliased_return_names() != [None]:
logging.warn(
f"Op {op} was requested for preservation by partitioner. This request is ignored because it aliases output."
)
return False
if native_schema.aliased_return_names() != [None]:
logging.warn(
f"Op {op} was requested for preservation by partitioner. This request is ignored because it aliases output."
)
return False

# Explicit block list of ops that don't work if asked for
# preservation
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