javierdejesusda opened a new pull request, #19850:
URL: https://github.com/apache/tvm/pull/19850
### Motivation
`torch.atan2` was not registered in either the ExportedProgram or FX
frontend,
so importing a model that uses it failed with an "Unsupported function types"
error. The `relax.op.atan2` operator already exists and legalizes to
`topi.atan2`, so the frontends only needed to route the op to it.
### Changes
- Register `atan2` in the FX frontend and `atan2.default` in the
ExportedProgram
frontend, reusing the shared `_binary_op` helper (the same pattern as the
existing `maximum`/`minimum`/`logaddexp` converters).
- Add a structural test in `test_frontend_from_fx.py` and
`test_frontend_from_exported_program.py`.
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