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dpl: add API to get adjacent cells cluster #6522

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eder-matheus
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This PR adds a public API for DPL that returns a cluster of instances, where every instances is adjacent to at least one instance inside the cluster.

This was requested by @bnmfw for his incremental pin access update.

This cluster should only contain instances that the pin access will do something, so tapcells and endcaps are ignored. Also, since macros are handled separately, they're also ignored.

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clang-tidy review says "All clean, LGTM! 👍"

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clang-tidy review says "All clean, LGTM! 👍"

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Signed-off-by: Eder Monteiro <[email protected]>
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clang-tidy review says "All clean, LGTM! 👍"

@maliberty maliberty merged commit b08e11c into The-OpenROAD-Project:master Jan 14, 2025
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@eder-matheus eder-matheus deleted the dpl_adjacent_cells_cluster branch January 14, 2025 16:56
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3 participants