[TIR] Add merge primitive for TIR schedule #14398
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@Hzfengsy Hi Siyuan, please help review this PR. Thanks very much! |
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During NPU schedule, we usually encounter multiple out graphs and need do loop partition on each out then compute at other block to the different out block. But current "compute_at" primitive can't handle it.
This PR add "merge" schedule primitive to merge different loops, when cut same tiles on different out blocks by "split" primitive, we can merge these out block under an outer loop, then other blocks can "compute_at" this loop normally.
cc @Hzfengsy @wrongtest-intellif