NXP backend: Update `cat` delegation.#14580

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MartinPavella wants to merge 9 commits intopytorch:mainfrom

nxp-upstream:upstream/main-nxp/EIEX-526-fix-cat-delegation_github

Commits on Oct 15, 2025

NXP backend: Store inferred node format in the `node.meta`.
MartinPavella
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NXP backend: Update pass which removes GetItem nodes, to preserve the node format.
MartinPavella
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NXP backend: Perform node format inference before partitioning.
MartinPavella
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NXP backend: Improve `cat` delegation by using inferred node formats.
MartinPavella
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NXP backend: Improve `constant_pad_nd` delegation by using inferred node formats.
MartinPavella
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NXP backend: Do not infer format for unknown nodes.
MartinPavella
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Fix rebase.
MartinPavella
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NXP backend: Fix delegation check for `aten.cat.default`.
MartinPavella
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NXP backend: Add context dependent `cat` partitioning.
MartinPavella
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