[Backport] MatchBuffer, BufferLocator & GetBlockReadWriteRegion#460

Merged

MasterJH5574 merged 4 commits intotlc-pack:mainfrom MasterJH5574:backport/2021-08-30-match_buffer-buffer_access-buffer_allocation

Aug 30, 2021

+576-139

Commits on Aug 29, 2021

[TensorIR] Support for match_buffer from subregion (#8585)

Hzfengsy
authored and
MasterJH5574
committed
[TIR] Fix opaque access in buffer locator pass and match_buffer in region detector (#8855)

committed
[TIR] GetBlockReadWriteRegion (#8875)
MasterJH5574
committed
Catch the correct error class in logical layout test
MasterJH5574
committed