* rename files

* rename runtime TensorView to Tensor

* rename HostTensorView to HostTensor

* Remove "view"
Simplify layout

* Fix merge error

* fix build error

* PR1602. IntelGPU backend. Compilation fixed.

* use line comments instead of multiline comments for license header

* update more

* update new files

* more header updates

* style

* get_input_op -> get_argument

* more replacing

* more replacing2

* the first stab at op::Result

format fixes

disabling logging

op::Result, 2nd attempt

purge stale code

disable logging

fix copyright header

* initial cleanup

* cleanup2

* remove dead code

* result.cpp, fix comments

* fix comment

* Replace using aliases with actual classes

* Function can have multiple results
Remove external use of ValueType, TupleType, Tuple
Remove many external uses of Output and Input

* corresponding CPU backend changes

* Update master changes.

* Remove type arg from Function, add changes.md

* Merge changes.

* Move bodies to .cpp, add brief doc

* Merge CPU changes.

* Remove xla includes from non-xla files

* Remove xla from tests

* First part of xla tuple support

* change fprop_cache to assume multi-output bprop functions

* New wrappers for handling tuples with XLA

* Review comments

* remove old xla files

* fix merge errors

* hand edit models to use multi output instead of tuples

* remove ParameterizedConstant
* use simpler element Type definition
* Move TraitedType to NGVM directory

* tuple -> xla_tuple (+headers)

xla_get_tuple_element

get_tuple_element headers

adding get_tuple_element + fixes

get_tuple_element

XLAFunction; breaks tests

compiling libngraph.so w/ XLAFunction and Function; fixing tests is next

build & test fixes

formatting

m_arguments -> get_arguments (first step to hide m_arguments)

removing some get_arguments

get_arguments -> get_arguments_DEPRECATED

more DEPRECATED

formatting

m_arguments no more! at least technically

halfway

tests pass

xla_function.cpp/hpp

move defs into cpp files

get_input_argument -> get_input_op

formatting

* add xla_function.* and assert -> throw

* assert -> throw, remove cassert

* removing emitter.cpp; poor guy got left behind

* addressing feedback p1

* rename GetTupleElement -> GetOutputElement

* adding a comment to get_arguments_FOR_GRAPH_REWRITE_ONLY

* removing virtual off set_name

* working unit test currently fails as expected

* unreferenced args unit test pass

* cleanup

* cleanup

* Add reduce op class and type propagation

* Implement FunctionCall through VM

* Changes Function to require explicit return type at construction time

add tensor buffer size unit test

fix warnings when building mkldnn test

get tensor is_output set. Add Manager state and Function to pass manager

use pass manager internal state

* Done to achieve goal of having our #include directives all start
  with `"ngraph/`, like LLVM does.

Add memory layout and liveness passes.

add test framework

stuff wired up

benchmark segfault for 5M nodes. fun

make traverse_nodes not recursive

print timings on benchmark

unit test for pass manager