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18 Commits

Author SHA1 Message Date
A. Unique TensorFlower 39650a5d5a Remove rank 1 specialization from TransformUnrankedHloPass. 
For binary ops, we already special-case rank 0 vs rank 1, and same shape. So we
don't need to special-case a maximum rank of 1.

PiperOrigin-RevId: 360891955
 2021-03-04 05:24:53 -08:00
Adrian Kuegel 62b357b601 Remove rank 1 specialization from TransformUnrankedHloPass. 
For binary ops, we already special-case rank 0 vs rank 1, and same shape. So we
don't need to special-case a maximum rank of 1.

PiperOrigin-RevId: 360881387
 2021-03-04 04:04:11 -08:00
Adrian Kuegel 0683db3b24 Legalize MinimumBroadcastShapes op. 
Use it in TransformUnrankedHloPass, which allows to reduce the maximum
rank for rank specialized broadcast from 6 to 5.

PiperOrigin-RevId: 360415743
 2021-03-02 06:39:01 -08:00
A. Unique TensorFlower ac0552f127 [MLIR][HLO] Remove duplicate `PopulateTransformUnrankedHloPatterns` 
PiperOrigin-RevId: 359046173
 2021-02-23 07:50:47 -08:00
Benjamin Kramer a9cc1dcfa0 [mlir][hlo] Add basic rank-specialization for select 
This just blows up everything to ranked (up to 6) and is probably quite slow.
This is sufficient to make kernelgen compile SelectV2.

PiperOrigin-RevId: 358777728
 2021-02-22 02:41:12 -08:00
Benjamin Kramer b42def4612 [mlir][hlo] Refactor rank specialization to allow an arbitrary number of inputs 
This actually simplifies the code a bit.

PiperOrigin-RevId: 358201038
 2021-02-18 09:53:03 -08:00
Adrian Kuegel 824bc9c425 Improve broadcast transformation to treat dynamic shapes with 1 element as scalar. 
A shape that contains exactly one element is effectively a scalar. This leads
to a speedup in cases where we have a binary op with one operand that is
effectively a scalar, because we can use the fast path.

PiperOrigin-RevId: 357515552
 2021-02-14 23:25:41 -08:00
A. Unique TensorFlower d77c9ad6fa [MLIR][CHLO] Add `is_inf`, `is_pos_inf`, and `is_neg_inf` to CHLO dialect 
Also add the respective lowerings to MHLO.

PiperOrigin-RevId: 354101955
 2021-01-27 09:00:56 -08:00
Tres Popp ba0346b071 Integrate LLVM at llvm/llvm-project@96ef4f307d 
Updates LLVM usage to match
[96ef4f307df2](https://github.com/llvm/llvm-project/commit/96ef4f307df2)

PiperOrigin-RevId: 352786460
 2021-01-20 07:09:47 -08:00
A. Unique TensorFlower 9a1abaa212 Integrate LLVM at llvm/llvm-project@e2d7d3cb0e 
Updates LLVM usage to match
[e2d7d3cb0ead](https://github.com/llvm/llvm-project/commit/e2d7d3cb0ead)

PiperOrigin-RevId: 351915841
 2021-01-14 18:05:33 -08:00
A. Unique TensorFlower b0bf2ef45b Integrate LLVM at llvm/llvm-project@c3acda0798 
Updates LLVM usage to match
[c3acda0798f9](https://github.com/llvm/llvm-project/commit/c3acda0798f9)

PiperOrigin-RevId: 348896724
 2020-12-23 23:53:54 -08:00
Tres Popp d327fc5737 [kernel_gen] Lower max rank specialization from 6 to 5 
We don't care much about rank 6 broadcasting operations and this lowers compile times significantly.

PiperOrigin-RevId: 346046601
 2020-12-07 02:18:38 -08:00
Tres Popp 7c3f049c8e [kernel_gen] Lower max rank specialization from 6 to 5 
We don't care much about rank 6 broadcasting operations and this lowers compile times significantly.

PiperOrigin-RevId: 345466476
 2020-12-03 09:19:25 -08:00
Adrian Kuegel 6a71a84302 Support different input/output type for TransformUnrankedHlo. 
Also generate the tf.Equal kernel, now that it works.

PiperOrigin-RevId: 344402014
 2020-11-26 04:20:34 -08:00
Tres Popp af4c9774dc Handle rank 1 broadcasts in unranked kernel lowering. 
Previously this started at rank 2 after checking for scalars and equal shapes. This resulted in cases such as <1xf32> + <2xf32> being treated as impossible.

PiperOrigin-RevId: 341043965
 2020-11-06 07:22:43 -08:00
Tres Popp 81e8d778c4 Fix bug using std.rank instead of shape.rank 
PiperOrigin-RevId: 339890070
 2020-10-30 09:59:24 -07:00
Tres Popp 76b30fd426 Move unranked chlo lowering to transform_unranked_hlo. 
Additionally:
- Forward listeners through new if/else op builders.
This corrects an error that led to incomplete legalization of broadcasted op
lowering.
- Use OpConversionPattern to ensure up to date operand values are used.
PiperOrigin-RevId: 339838833
 2020-10-30 02:56:44 -07:00
A. Unique TensorFlower 69b80d8deb [MLIR] Extend unranked transformation to CHLO dialect 
PiperOrigin-RevId: 332026604
 2020-09-16 09:49:18 -07:00