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[Relax][Frontend][TFLite] Add BROADCAST_TO, EMBEDDING_LOOKUP, and SELECT_V2#19489

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tlopex merged 5 commits into
apache:mainfrom
rknastenka:con
May 2, 2026
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[Relax][Frontend][TFLite] Add BROADCAST_TO, EMBEDDING_LOOKUP, and SELECT_V2#19489
tlopex merged 5 commits into
apache:mainfrom
rknastenka:con

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@rknastenka

@rknastenka rknastenka commented May 1, 2026

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This PR adds support for three new operators in the Relax TFLite frontend: BROADCAST_TO, EMBEDDING_LOOKUP, and SELECT_V2.

Passed all newly added unit tests using

pytest tests/python/relax/test_frontend_tflite.py -k "test_broadcast_to or test_embedding_lookup or test_select_v2"

reference #19412

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Code Review

This pull request updates the tvm-ffi subproject and expands the TFLite frontend for Relax by implementing support for BROADCAST_TO, EMBEDDING_LOOKUP, and SELECT_V2 operators, accompanied by new test cases. Additionally, convert_gather was updated to use astype instead of cast. Feedback focuses on ensuring the shape argument in convert_broadcast_to is correctly converted to a ShapeExpr or integer list to avoid inference errors, and recommending an explicit int32 cast for indices in convert_embedding_lookup to improve backend compatibility.

Comment thread python/tvm/relax/frontend/tflite/tflite_frontend.py
Comment thread python/tvm/relax/frontend/tflite/tflite_frontend.py

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LGTM

@tlopex

tlopex commented May 1, 2026

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Could you resolve the conflict so that we can merge it in?

@tlopex tlopex merged commit 6157f49 into apache:main May 2, 2026
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@rknastenka rknastenka deleted the con branch May 2, 2026 15:19
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2 participants