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27 Commits

Author SHA1 Message Date
A. Unique TensorFlower 15fe5ca737 Integrate LLVM at llvm/llvm-project@6713332fdd 
Updates LLVM usage to match
[6713332fddb7](https://github.com/llvm/llvm-project/commit/6713332fddb7)

PiperOrigin-RevId: 336988895
 2020-10-13 17:21:14 -07:00
Adrian Kuegel 53d16d9f8e Integrate LLVM at llvm/llvm-project@93377888ae 
Updates LLVM usage to match
[93377888ae89](https://github.com/llvm/llvm-project/commit/93377888ae89)

PiperOrigin-RevId: 336669842
 2020-10-12 08:42:31 -07:00
Tres Popp f6af1fc134 Support hlo to lhlo buffer placement through shape.assuming ops. 
PiperOrigin-RevId: 336287728
 2020-10-09 07:14:12 -07:00
Alexander Belyaev d927e32451 [HLO] Clean-up dynamic allocation in hlo-legalize-to-lhlo pass. 
PiperOrigin-RevId: 335385243
 2020-10-05 03:55:24 -07:00
Adrian Kuegel 3eb767b43d Add missing lowering step for IsFiniteOp. 
Also add a BUILD target for generating the GPU kernel.

PiperOrigin-RevId: 334993362
 2020-10-02 03:09:00 -07:00
Rahul Joshi bce128b070 Introduce CustomCall operation in LHLO Dialect 
- And add conversion from MHLO CustomCall to LHLO CustomCall
- According to XLA documentation, the called function should not be side effecting,
  so marking the argument MemRefs as MemRead.

PiperOrigin-RevId: 334737196
 2020-09-30 20:56:18 -07:00
Benjamin Kramer 6459f12235 Lower mhlo.not to a xor with all ones 
PiperOrigin-RevId: 334361499
 2020-09-29 05:59:40 -07:00
A. Unique TensorFlower 2fbbbe9cf1 [MLIR][KernelGen] Lower `tf.Acos` to LMHLO. 
- Add ranked code generation for `mhlo.compare/select`
- Add bufferization for `tensor_cast`
- Add lowerings for `Atan2Op`

PiperOrigin-RevId: 332407734
 2020-09-18 01:40:18 -07:00
A. Unique TensorFlower 48022987ce [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: 331506094
 2020-09-14 02:34:52 -07:00
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
Ehsan Toosi d599485e06 PR #43069: [hlo] Unbreak hlo-legalize-to-lhlo test 
Imported from GitHub PR https://github.com/tensorflow/tensorflow/pull/43069

The legalization of mlhlo.ReturnOp to lhlo.TerminatorOp by using BufferAssignmentReturnOpConverter fails since the Memref typed results (or the Memref typed operands of Return operation) are set to stay as results after legalization but lhlo.TerminatorOp doesn't accept any operands. Therefore, BufferAssignmentReturnOpConverter must be replaced with a manual conversion that removes all operands of mlhlo.ReturnOp and inserts copy operations in their places.
Copybara import of the project:

--
8be0435b0147263c3872bedec58fd215f784b450 by Ehsan Toosi <ehsan.nadjaran_toosi@dfki.de>:

[hlo] Unbreak hlo-legalize-to-lhlo test

COPYBARA_INTEGRATE_REVIEW=https://github.com/tensorflow/tensorflow/pull/43069 from dfki-ehna:fix_hlo_legalize_to_lhlo_test 8be0435b0147263c3872bedec58fd215f784b450
PiperOrigin-RevId: 330907602
 2020-09-10 04:09:03 -07:00
A. Unique TensorFlower f46ba09653 Integrate LLVM at llvm/llvm-project@4964d75d70 
Updates LLVM usage to match
[4964d75d7078](https://github.com/llvm/llvm-project/commit/4964d75d7078)

PiperOrigin-RevId: 330713009
 2020-09-09 06:50:26 -07:00
Eugene Burmako dde1ed56cc Add support for legalizing mhlo.slice to lmhlo.slice 
PiperOrigin-RevId: 330153599
 2020-09-04 21:43:01 -07:00
Eugene Burmako f5d12604ed Add support for legalizing mhlo.transpose to lmhlo.transpose 
PiperOrigin-RevId: 330127758
 2020-09-04 14:59:08 -07:00
A. Unique TensorFlower 801262688c Integrate LLVM at llvm/llvm-project@1426ac0482 
Updates LLVM usage to match
[1426ac048295](https://github.com/llvm/llvm-project/commit/1426ac048295)

PiperOrigin-RevId: 329839640
 2020-09-02 20:03:41 -07:00
Benjamin Kramer 049f034116 Lower mhlo.floor to lmhlo to linalg 
PiperOrigin-RevId: 329304882
 2020-08-31 08:16:36 -07:00
Mehdi Amini 36ddbeb6b2 Remove the dependency on global dialect registry from mlir-hlo 
PiperOrigin-RevId: 328457105
 2020-08-25 20:30:42 -07:00
Mehdi Amini cd01bb4c4e More cleanup in mlir-hlo to prepare for the standalone build 
Shuffle files around, use TableGen to register passes, and introduce
a `mlir-hlo-opt.cpp` file to hold the main entry point of the -opt tool
and stop relying on static registration for dialect/passes.

PiperOrigin-RevId: 323674455
 2020-08-03 19:28:00 -07:00
Stephan Herhut c44e08351d Fix mhlo to lmhlo conversion for ReduceOp. 
The existing conversion no longer worked and was not save to undo. Furthermore, the pattern for mhlo.return had been removed.

Also adds some tests to ensure this does not degrade again.

PiperOrigin-RevId: 321542071
 2020-07-30 22:34:19 +00:00
Mehdi Amini a575636862 Rename XlaHloDialect class into MhloDialect following the recent dialect namespace renaming 
PiperOrigin-RevId: 320213526
 2020-07-30 22:33:20 +00:00
Mehdi Amini 7c4a5d62b5 Rename xla_lhlo dialect into lmhlo 
Following on the plan of isolating the compiler/mlir/hlo directory.
Another xla_lhlo dialect will be created under compiler/mlir/xla/ later.

PiperOrigin-RevId: 320210326
 2020-07-30 22:33:11 +00:00
Alexander Belyaev b076e018a8 [MLIR][LHLO] Legalize CallOp that call funcs with tensor args/results. 
PiperOrigin-RevId: 320172723
 2020-07-30 22:33:07 +00:00
Alexander Belyaev e8cfdee592 [MLIR][LHLO] Convert mhlo.dynamic_reshape -> lhlo.reshape_memref_cast. 
PiperOrigin-RevId: 320149593
 2020-07-30 22:33:02 +00:00
Alexander Belyaev 8692fde3f9 [MLIR] Convert FuncOp signature with unranked types in HLO->LHLO conversion. 
PiperOrigin-RevId: 320146856
 2020-07-30 22:32:58 +00:00
Mehdi Amini 8900222fed Rename `xla_hlo` dialect to `mhlo` 
This is part of the current refactoring of the HLO related dialect.
`xla_hlo` will be reintroduced in a new form later.

PiperOrigin-RevId: 319916753
 2020-07-30 22:32:50 +00:00
Mehdi Amini 31dc1b21eb Move XLA-independent transforms to the new MLIR-HLO directory 
This is as straighforward as possible, more cleanup/rewrite to come.

PiperOrigin-RevId: 319849713
 2020-07-30 22:32:40 +00:00