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Fallback to deepcopy when fake program fails #2564

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Fallback to deepcopy when fake program fails #2564

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Fallback to deepcopy when fake program fails (#2564) 
Summary:
Pull Request resolved: #2564

Catch the general Exception case, not only AssertionError.

Reviewed By: cccclai

Differential Revision: D55204315
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@lucylq @facebook-github-bot
lucylq authored and facebook-github-bot committed Mar 21, 2024
commit 946406a450a32435a21b405c1280e26da76139fa
6 changes: 4 additions & 2 deletions exir/backend/backend_api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -351,8 +351,10 @@ def to_backend(
# Fall back to deepcopy if no fake mode is found. TODO(T182910699): Remove this fallback.
try:
fake_edge_program = get_fake_program(edge_program)
except AssertionError as e:
logging.warning(f"No fake mode found for {edge_program.graph_module}: {e}")
except Exception as e:
logging.warning(
f"Error in get_fake_program for graph {edge_program.graph_module}, fallback to deepcopy: {e}"
)
fake_edge_program = copy.deepcopy(edge_program)
partitioner_result = partitioner_instance(fake_edge_program)
tagged_exported_program = partitioner_result.tagged_exported_program
Expand Down