tree 1c27777e4173bc7a317aa390da8b7fbfee537d8e
parent 75587af2fd2b0ec177148317925c17febf156416
author Uday Bondhugula <bondhugula@google.com> 1542427926 -0800
committer jpienaar <jpienaar@google.com> 1553893251 -0700

Updates to transformation/analysis passes/utilities. Update DMA generation pass
and getMemRefRegion() to work with specified loop depths; add support for
outgoing DMAs, store op's.

- add support for getMemRefRegion symbolic in outer loops - hence support for
  DMAs symbolic in outer surrounding loops.

- add DMA generation support for outgoing DMAs (store op's to lower memory
  space); extend getMemoryRegion to store op's. -memref-bound-check now works
  with store op's as well.

- fix dma-generate (references to the old memref in the dma_start op were also
  being replaced with the new buffer); we need replace all memref uses to work
  only on a subset of the uses - add a new optional argument for
  replaceAllMemRefUsesWith. update replaceAllMemRefUsesWith to take an optional
  'operation' argument to serve as a filter - if provided, only those uses that
  are dominated by the filter are replaced.

- Add missing print for attributes for dma_start, dma_wait op's.

- update the FlatAffineConstraints API

PiperOrigin-RevId: 221889223