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llvm/mlir/lib/Dialect/SparseTensor/Transforms
Peiming Liu a3672add76 [mlir][sparse] avoid unnecessary tmp COO buffer and convert when lowering ConcatentateOp.
When concat along dim 0, and all inputs/outputs are ordered with identity dimension ordering,
the concatenated coordinates will be yield in lexOrder, thus no need to sort.

Reviewed By: aartbik

Differential Revision: https://reviews.llvm.org/D140228
2022-12-16 18:26:39 +00:00
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