CPU fusion is disabled in MLIR since fused ops are not supported in
nGraph dialect. CPU debug tracer test doesn't expect CompiledKernel ops
generated for MLIR.

* Add method to check if an Executable can create tensors

* Add a Backend check to see if Executable can create tensors

* Update per review comment

* style

* update fused_clamp

* convert all f64 to f32

* Axes input was added to LRN

* Unit tests for axes shape check were added

* LRN node deserialization was updated

* Fixed EOF and clang style applied

* Changed Constant to Parameter type in unit tests

* Fixed LRN assert description

* Fixed copy_with_new_args

* Clang style applied

* Update cpu backend to support i32 with topk

* Add topk i32 unit test

* Minor fix in unit-test

* disable test for plaidml

* Add negative op

* Add test case

* Address feedback

* Merge master

* Consolidate to one routine for unary ops

* Change from Negative to Neg

* Fix sum reference to handle corner cases with +-inf

* Review comments, and try to make Windows happy

* Update GPU unit_test.manifest

* More template grindery, to make macOS happy

* wip

* parse working with one test

* Add version information query and unit tests for parsing version strings

* add more comments

* doc strings

* style

* adding group convolution implementation for plaidml

* update CMakeLists.txt to include new group convolution files

* adding new ngraph unit tests for grouped convolutions

* adding group conv unit test back in for plaidml backend

* specify group convolution support in plaidml

* add denise as codeowner for plaidml runtime dir

* remove commented-out lines of unit test manifest

* style changes

* resolve all discussions in PR

* skip data dilation unit test on cpu backend

* adding group convolution implementation for plaidml

* update CMakeLists.txt to include new group convolution files

* adding new ngraph unit tests for grouped convolutions

* adding group conv unit test back in for plaidml backend

* specify group convolution support in plaidml

* add denise as codeowner for plaidml runtime dir

* remove commented-out lines of unit test manifest

* style changes

* resolve all discussions in PR

* skip data dilation unit test on cpu backend

* Unit tests to individual files

* rename obsolete file

* WIP

* CHANGE_DYNAMIC_STATE

* Implement full type prop for DynBroadcast when inputs const/static; clean up pass properties

* Add a unit test for the late-constness thing

* Update reference, interp, constant folding to handle autobroadcast

* Document the autobroadcast helper, and fix a corner case (zero's a number too!)

* Tests, and insert a check within the CPU folders for autobroadcast (it's still unsupported)

* Remove unnecessary include

* EXPECT_EQ -> ASSERT_EQ, for consistency

* Replace assert for CPU folders with a fallback

* WIP

* CHANGE_DYNAMIC_STATE

* Implement full type prop for DynBroadcast when inputs const/static; clean up pass properties

* Add a unit test for the late-constness thing

* Fix merge

* style

* Convert CPU ops to new form

Remove obsolete sigmoid

* Fix export

* fix typo

* typo

* Add CF for Gather

* Style

* Move SlicePlan out of DynElimination, for reuse in ConstantFolding

* Add CF support for Slice

* Add CF for DynSlice

* Add <algorithm> to slice_plan.cpp, to make Windows happy

* Update Reshape CF to support all ETs

* Add CF for DynReshape

* Add CF for Transpose

* Add #include <numeric>, for std::iota

* style, oops

* CF for Sign, and extend element type capabilities for unary arithop CF

* CF for Ceiling and Floor

* Update CPU CF builders

* Update CPU CF builders

* CF for Not

* Add tests for new CPU CF folders

* Add tests for recently added CPU CF functors

* Add tests for non-CPU ceiling/floor CF

* Unit tests

* Add test for CPU folder

* CF for Sign, and extend element type capabilities for unary arithop CF

* CF for Ceiling and Floor

* Update CPU CF builders

* Update CPU CF builders

* Add tests for new CPU CF folders

* Add tests for recently added CPU CF functors

* Add tests for non-CPU ceiling/floor CF

* Unit tests

* Add tests for new CPU CF folders

* Add tests for recently added CPU CF functors

* CF for And and Or

* CF support for comparison ops

* Fix predicate for binary elementwise; add unit tests for non-arithmetic binops

* Update CPU CF builders