Lunderberg opened a new pull request, #14492:
URL: https://github.com/apache/tvm/pull/14492
Previously, SeqStmt could be nested, making a distinction between the nested
`SeqStmt({SeqStmt({a,b}), c})` and the flat `SeqStmt({a,b,c})`, even though the
two are semantically equivalent. This also caused an issue with round-trips
through TVMScript, which does not preserve this distinction.
This commit updates the `SeqStmt` constructor and the `SeqStmt` visitor in
`StmtMutator` to flatten nested sequential statements provided.
This is part of changes described in
https://github.com/apache/tvm/pull/14486, to improve round-trip failures that
occur in lowering.
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