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fix(backend): re-raise RuntimeError when no pass matched in pass_mgr_direct #96

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fix(backend): re-raise RuntimeError when no pass matched in pass_mgr_direct #96

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5 changes: 5 additions & 0 deletions pass_bench/torch/backend/pass_mgr_direct.py
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Original file line number Diff line number Diff line change
Expand Up @@ -517,5 +517,10 @@ def forward(self, *args, **kwargs):
self.__dict__['forward'] = gm.forward
# Release dynamo-compiled object — no longer needed.
del self._compiled
else:
# Backend raised RuntimeError (no pass matched), dynamo fell back
# to eager. Re-raise so test framework treats this as failed,
# consistent with pass_mgr behavior.
raise RuntimeError("[PassMgrDirect] No passes modified the graph.")

return result