[CINN] Implement the new AlignIterSpaceTactic #70649
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PR Category
CINN
PR Types
Improvements
Description
把TileFirstGeneralTactic中的AlignToReduceInput功能提取成为一个独立的Tactic，借用了原来AlignIterSpaceTactic的壳子，目的是把TileFirstGeneralTactic里面与Tile无关的内容分离出来，为之后实现Transpose调度做准备。
另外，这个PR中的GetCommonOutputLoopPerm也可以解决近期Recompute导致的一些Transpose性能回退的情况，在当前还没有能力调度Transpose的情况下，将Transpose向输出对齐至少比不对齐好。
Pcard-85711