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13 Commits

Author SHA1 Message Date
A. Unique TensorFlower 4372124362 [MLIR][XLA] Allow for choice of safe/unsafe variant in broadcast utils 
Create safe or unsafe variants of `shape.broadcast` depending on the context.
The representation by means of an extent tensor is only legal if the operands
are known to be broadcastable. Currently, there is no use in a safe context in
the codebase but it will be used for shape inference eventually.

PiperOrigin-RevId: 325079842
 2020-08-05 12:43:29 -07:00
A. Unique TensorFlower 37c36a4389 [MLIR][XLA] Allow for choice of safe/unsafe variant in broadcast utils 
Create safe or unsafe variants of `shape.broadcast` depending on the context.
The representation by means of an extent tensor is only legal if the operands
are known to be broadcastable. Currently, there is no use in a safe context in
the codebase but it will be used for shape inference eventually.

PiperOrigin-RevId: 325056915
 2020-08-05 11:09:23 -07:00
Thomas Joerg 735ae2838c Integrate LLVM at llvm/llvm-project@cd4e8d7f6f 
Updates LLVM usage to match
[cd4e8d7f6f5e](https://github.com/llvm/llvm-project/commit/cd4e8d7f6f5e)

PiperOrigin-RevId: 324173542
 2020-08-03 19:29:29 -07:00
Tres Popp cce4bddf4b Remove unnecessary conversions between Shape and ExtentTensor. 
PiperOrigin-RevId: 323981215
 2020-08-03 19:29:04 -07:00
Tres Popp ffef8d6593 Support CHLO->LHLO lowering for broadcasting operations with both inputs unranked. 
PiperOrigin-RevId: 323960733
 2020-08-03 19:28:52 -07:00
Stephan Herhut 1b0eb4baa7 Do not mandate the result type of shape computations but have it be inferred from context. 
The computation of a broadcasted shape forced the use of the shape type unnecessarily, which blocked further canonicalizations.

PiperOrigin-RevId: 323783998
 2020-08-03 19:28:12 -07:00
Thomas Joerg 739758f9cc Integrate LLVM at llvm/llvm-project@eed333149d 
Updates LLVM usage to match
[eed333149d17](https://github.com/llvm/llvm-project/commit/eed333149d17)

PiperOrigin-RevId: 323354988
 2020-08-03 19:27:25 -07:00
Tres Popp 4251630426 Support CHLO broadcasting operations between scalar and unranked tensors. 
This is done through reshaping the unranked tensor into a 1D ranked tensor which will result in a safe broadcast/indexing logic when the other operand is a scalar.

PiperOrigin-RevId: 322553661
 2020-07-30 22:34:40 +00:00
A. Unique TensorFlower c8bb0ff54d Integrate LLVM at https://github.com/llvm/llvm-project/commit/f233b92f92a6 
PiperOrigin-RevId: 321454533
 2020-07-30 22:34:14 +00:00
Mehdi Amini 506ddd9c4a Cleanup build rule names in compiler/mlir/hlo to remove the redundant/obsolete xla_ prefix 
PiperOrigin-RevId: 320320140
 2020-07-30 22:33:29 +00:00
Mehdi Amini 94dcb90d38 Rename xla_chlo dialect into chlo 
Following on the plan of isolating the compiler/mlir/hlo directory.

PiperOrigin-RevId: 320212018
 2020-07-30 22:33:16 +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