* mv InstanceNorm

* modify op_version.yaml

* modify add Operator:: in get_expected_kernel_func.cc

* rm gradexpectedkernel

* add extra

* add float epsilon=1e-5

* update

* Update backward.h

* Update composite_backward_api.h

* Update tensor_utils.cc

* Update backward.cc

* update

* stype

* update

* add ctest

* code stype

* [phi][api] add autogen code coalesce_tensor

* [phi][api]fix args

* [phi][api] supplement attrs

* update

* fix bug

* support parsing fixed kernel data_type

* update op_compat

* update

* [static op generation] triangular_solve

* [phi] mv triangular_solve_grad to static_backward

* [phi] fix import

* [phi] mv to ops.yaml、 backward.yaml

* fix forward attr

* [phi] fix triangular_solve_grad args

* support register single .cu file

* add register GPU kernel function

* support the 'generate_proposals' for generating static graph ops

* fix bug

* fix bug

* Update ops.yaml

fix bug

* remove the generate_proposals_v2_op.cc from CMakeLists.txt

* fix bug

* fix bug

* support auto generate for op adam optimizer

* remove unnecessary files

* support auto generate for op adamw optimizer

* support auto generate for op merged_adam optimizer

* use manual_signature in adam_

* add autogen code support for mean_all op

* bug fixed

* bug fixed

* bug fixed

* reorder MatrixRank

* fix

* fix

* fix

* fix

* fix

* add autogen code support for lu

* fix bug

* fix bug

* fix bug

* fix bug

* reorder_prior_box

* fix

* add autogen code support for expand_as op

* bug fixed

* Support static graph code-gen for yolo_box

* Support static graph code-gen for yolo_box

* Support static graph code-gen for yolo_box

* Update op_compat.yaml

* fix

* fix

* add autogen code for clip_by_norm op

* bug fixed

* add autogen code support for squared_l2_norm_op

* Update ops.yaml

* fix error in generator/type_mapping.py

* support auto generate for op merged_momentum optimizer

* support auto generate for flatten (flatten_contiguous_range)

* add data_type for flatten_grad

* add autogen code support for reverse op

* bug fixed

* support auto generate for op momentum optimizer

* remove momentum_op.* and update signature

* fix dgc momentum op maker error

* autogen segment_pool

* delete legacy_dygraph about segment_pool

* add autogen code bilinear_tensor_product

* [phi] rm cc file

* autogen softmax_with_cross_entropy

* fix error in softmax_with_cross_entropy version