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2fa4bc9fc87f7304c92915e031fe13561bcc5aec
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5 Commits

Author SHA1 Message Date
River Riddle
2fa4bc9fc8 Implement value type abstraction for locations. 
Value type abstraction for locations differ from others in that a Location can NOT be null. NOTE: dyn_cast returns an Optional<T>.

PiperOrigin-RevId: 220682078
 2019-03-29 13:52:31 -07:00
Uday Bondhugula
23ddd577ef Complete migration to exclusive upper bound 
cl/220448963 had missed a part of the updates.

- while on this, clean up some of the test cases to use ops' custom forms.

PiperOrigin-RevId: 220675303
 2019-03-29 13:52:17 -07:00
Jacques Pienaar
cc9a6ed09d Initialize Pass with PassID. 
The passID is not currently stored in Pass but this avoids the unused variable warning. The passID is used to uniquely identify passes, currently this is only stored/used in PassInfo.

PiperOrigin-RevId: 220485662
 2019-03-29 13:50:34 -07:00
Jacques Pienaar
6f0fb22723 Add static pass registration 
Add static pass registration and change mlir-opt to use it. Future work is needed to refactor the registration for PassManager usage.

Change build targets to alwayslink to enforce registration.

PiperOrigin-RevId: 220390178
 2019-03-29 13:49:34 -07:00
Uday Bondhugula
6cd5d5c544 Introduce loop tiling code generation (hyper-rectangular case) 
- simple perfectly nested band tiling with fixed tile sizes.
- only the hyper-rectangular case is handled, with other limitations of
  getIndexSet applying (constant loop bounds, etc.);  once
  the latter utility is extended, tiled code generation should become more
  general.
- Add FlatAffineConstraints::isHyperRectangular()

PiperOrigin-RevId: 220324933
 2019-03-29 13:49:05 -07:00