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4 Commits

Author SHA1 Message Date
A. Unique TensorFlower a7a7184eb6 [XLA][MLIR] Lower `tf.Tan` and `tf.Sin` to MLHLO 
Add `tan` op and lowering to CHLO dialect, move CHLO lowerings to
`chlo_legalize_to_hlo_patterns` and extend missing patterns.

PiperOrigin-RevId: 331128170
 2020-09-11 05:05:58 -07:00
A. Unique TensorFlower 90927f6b53 [XLA][MLIR] Lower `tf.Tan` and `tf.Sin` to MLHLO 
Add `tan` op and lowering to CHLO dialect, move CHLO lowerings to
`chlo_legalize_to_hlo_patterns` and extend missing patterns.

PiperOrigin-RevId: 331125286
 2020-09-11 04:39:28 -07:00
Jacques Pienaar 344c500fca [mhlo] Add legalize to SCF pass 
Start of pass to legalize MHLO control flow to SCF for further optimization in common form. The current version just matches a very simple instance (which also happens to occur a few times). Exposes some further canonicalization opportunities that aren't yet addressed.

PiperOrigin-RevId: 329017723
 2020-08-28 15:11:58 -07:00
Mehdi Amini 701312720c Add CMake files and lit configurations, enough for `ninja check-mlir-hlo` to pass on all the tests 
PiperOrigin-RevId: 325172984
 2020-08-07 22:14:34 -07:00