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Author SHA1 Message Date
River Riddle a4c3a6455c Move the emitError/Warning/Remark utility methods out of MLIRContext and into the mlir namespace. 
Now that Locations are attributes, they have direct access to the MLIR context. This allows for simplifying error emission by removing unnecessary context lookups.

PiperOrigin-RevId: 255112791
 2019-06-25 21:32:23 -07:00
Alex Zinenko 4291ae7431 Factor Region::getUsedValuesDefinedAbove into Transforms/RegionUtils 
Arguably, this function is only useful for transformations and should not
pollute the main IR.  Also make sure it accepts a the resulting container
by-reference instead of returning it.

PiperOrigin-RevId: 253622981
 2019-06-19 23:03:51 -07:00
Alex Zinenko ee6f84aebd Convert a nest affine loops to a GPU kernel 
This converts entire loops into threads/blocks.  No check on the size of the
block or grid, or on the validity of parallelization is performed, it is under
the responsibility of the caller to strip-mine the loops and to perform the
dependence analysis before calling the conversion.

PiperOrigin-RevId: 253189268
 2019-06-19 23:02:02 -07:00