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777   // Nodes with unreleased weak edges can still be roots.
1287 /// \brief Post-process the DAG to create cluster edges between neighboring
1342 // Copy successor edges from SUa to SUb. Interleaving computation
1344 // Predecessor edges do not need to be copied from SUb to SUa since nearby
1360 /// \brief Callback from DAG postProcessing to create cluster edges for loads.
1397 /// \brief Post-process the DAG to create cluster edges between instructions
1424 /// \brief Callback from DAG postProcessing to create cluster edges to encourage
1447 // need to copy predecessor edges from ExitSU to SU, since top-down
1465 /// \brief Post-process the DAG to create weak edges from all uses of a copy to
1490 /// (create pred->succ edges I0->I1, I2->I1)
1497 /// (create pred->succ edges I1->I2, I3->I2)
1521 // constraints. This adds edges from source's other uses to the copy.
1537 // local live range. We could create edges from other global uses to the local
1613 // Add the weak edges.
1628 /// \brief Callback from DAG postProcessing to create weak edges to encourage
2742 // Weak edges are for clustering and other constraints.