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Disallow P.UNCONSTRAINED in out_shardings in jit. This leads to simplifications in how we lower shardings to stableHLO.#5435

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copybara-service[bot] merged 1 commit intomainfrom
test_903300310
Apr 22, 2026
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Disallow P.UNCONSTRAINED in out_shardings in jit. This leads to simplifications in how we lower shardings to stableHLO.#5435
copybara-service[bot] merged 1 commit intomainfrom
test_903300310

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Disallow P.UNCONSTRAINED in out_shardings in jit. This leads to simplifications in how we lower shardings to stableHLO.

Fixes jax-ml/jax#37047

… simplifications in how we lower shardings to stableHLO.

Fixes jax-ml/jax#37047

PiperOrigin-RevId: 903549557
@copybara-service copybara-service Bot merged commit 9877bea into main Apr 22, 2026
@copybara-service copybara-service Bot deleted the test_903300310 branch April 22, 2026 02:15
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Presence of P.Unconstrained on p.spec sharding seems to make other "None" axes unconstrained:

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