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15 Commits

Author SHA1 Message Date
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 dfe64d3958 Implement InferShapedTypeOpInterface for mhlo.complex 
Binary companion for 8bcd33e4b7

PiperOrigin-RevId: 334651523
 2020-09-30 12:14:15 -07:00
Benjamin Kramer c8919f8419 Implement InferShapedTypeOpInterface and use inferReturnTypes for mhlo.imag and mhlo.real 
This makes the lhlo lowering work with dynamic shapes.

PiperOrigin-RevId: 334553472
 2020-09-30 02:02:26 -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 b22f2f0eea Integrate LLVM at llvm/llvm-project@52f0837778 
Updates LLVM usage to match
[52f0837778b6](https://github.com/llvm/llvm-project/commit/52f0837778b6)

PiperOrigin-RevId: 330939173
 2020-09-10 08:14:23 -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
Eugene Burmako f5d12604ed Add support for legalizing mhlo.transpose to lmhlo.transpose 
PiperOrigin-RevId: 330127758
 2020-09-04 14:59:08 -07:00
Mehdi Amini 56689ce908 Temporarily mark hlo-legalize-to-lhlo.mlir as failing, pending fixes 
Upstream changed the buffer assignment API and this needs adjustment on our side.

PiperOrigin-RevId: 329959756
 2020-09-03 11:36:20 -07:00
Benjamin Kramer 049f034116 Lower mhlo.floor to lmhlo to linalg 
PiperOrigin-RevId: 329304882
 2020-08-31 08:16:36 -07:00
Benjamin Kramer b7c4314e7f Allow running tests with FILECHECK_OPTS=-enable-var-scope 
PiperOrigin-RevId: 323420636
 2020-08-03 19:27:38 -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 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
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 fa057cc0bc Move HLO tests to `third_party/tensorflow/compiler/mlir/hlo/` 
Also add a localized `mlir-hlo-opt` binary for the testing of
tensorflow/compiler/mlir/hlo/... ; this directory is intended to be self-contained
and depend only on MLIR.

PiperOrigin-RevId: 319878984
 2020-07-30 22:32:45 +00:00