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Author SHA1 Message Date
A. Unique TensorFlower 049ca060a1 [MLIR][KernelGen] Legalize `atan2` to approximation 
Legalize `atan2` analogously to XLA.  `atan2` is first reduced to `atan` on the
interval [-1, 1] and subsequently approximated.  This CL also adds e2e tests for
trigonometric approximations.

PiperOrigin-RevId: 334794336
 2020-10-01 05:34:48 -07:00
Ehsan Toosi ce1c8a1ebc [MLIR][LHLO] Replace lhlo-copy-removal pass with mlir-copy-removal pass 
Imported from GitHub PR https://github.com/tensorflow/tensorflow/pull/43137

This PR removes lhlo-copy-removal pass entirely and replace its usages with ```mlir::createCopyRemovalPass()```.

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7ce1a06f507c8db46c6d7b43c7870cf56002e18e by Ehsan Toosi <ehsan.nadjaran_toosi@dfki.de>:

[mlir][lhlo] Replace lhlo-copy-removal pass with mlir-copy-removal pass

COPYBARA_INTEGRATE_REVIEW=https://github.com/tensorflow/tensorflow/pull/43137 from dfki-ehna:using_mlir_copy_removal 7ce1a06f507c8db46c6d7b43c7870cf56002e18e
PiperOrigin-RevId: 331498501
 2020-09-14 01:22:19 -07:00
Stephan Herhut b09bf2a4dc Move hlo end to end tests to the hlo directory tree. 
PiperOrigin-RevId: 323955773
 2020-08-03 19:28:37 -07:00