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[mlir][sparse] fixed inaccury in maintaining universal index

Authored by aartbik on Feb 26 2021, 3:55 PM.



The universal index was maintained if dense indices were still
in place, and lattice points followed. However, it should only
be kept if any of those following lattice points actually
consumes the universal index. This change also fixes an
inaccuracy with a missing broadcast around vector invariant.

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Event Timeline

aartbik created this revision.Feb 26 2021, 3:55 PM
aartbik requested review of this revision.Feb 26 2021, 3:55 PM
bixia accepted this revision.Feb 26 2021, 8:05 PM
This revision is now accepted and ready to land.Feb 26 2021, 8:05 PM