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7 Commits

Author SHA1 Message Date
Benjamin Kramer 3bf4277ea4 [MLIR] Add a lmhlo.reduce -> linalg.generic converter 
Doesn't support tensors right now, as it's somewhat hairy to support both at
the same time. Since we use a generic lowering the result is messy
and needs a mem2reg pass to eliminate extra load/store/allocas.

PiperOrigin-RevId: 339562971
 2020-10-28 16:38:19 -07:00
Benjamin Kramer 31c1c3aa1f Integrate LLVM at llvm/llvm-project@c89447b659 
Updates LLVM usage to match
[c89447b65984](https://github.com/llvm/llvm-project/commit/c89447b65984)

PiperOrigin-RevId: 338560059
 2020-10-22 15:23:24 -07:00
A. Unique TensorFlower 3736c5542f [MLIR][KernelGen] Fix unranked codegeneration in kernel generator 
PiperOrigin-RevId: 335847086
 2020-10-07 05:39:55 -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
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()```.

--
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