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4 Commits

Author SHA1 Message Date
Thomas Joerg 7363748bae Integrate LLVM at llvm/llvm-project@0fc1aa22ee 
Updates LLVM usage to match
[0fc1aa22ee6a](https://github.com/llvm/llvm-project/commit/0fc1aa22ee6a)

PiperOrigin-RevId: 339239851
 2020-10-27 06:56:16 -07:00
A. Unique TensorFlower bae0815ef0 [MLIR][KernelGen] Legalize `atan` to approximation 
PiperOrigin-RevId: 335417836
 2020-10-05 08:05:52 -07:00
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
A. Unique TensorFlower 08e0d09463 [MLIR][KernelGen] Rename `legalize-tanh-to-approximation` to `legalize-trigonometric-to-approximation` 
To add more approximation lowerings in the future, generalize the pass name.

PiperOrigin-RevId: 333340075
 2020-09-23 11:53:45 -07:00