47 lines
2.0 KiB
C++
47 lines
2.0 KiB
C++
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
==============================================================================*/
|
|
|
|
#ifndef TENSORFLOW_COMPILER_TF2XLA_KERNELS_IF_WHILE_UTILS_H_
|
|
#define TENSORFLOW_COMPILER_TF2XLA_KERNELS_IF_WHILE_UTILS_H_
|
|
|
|
#include "tensorflow/compiler/tf2xla/xla_op_kernel.h"
|
|
#include "tensorflow/core/lib/core/status.h"
|
|
|
|
namespace tensorflow {
|
|
|
|
extern const char kPropagateCompileTimeConsts[];
|
|
|
|
// Convert arguments in `args` to constants provided they are compile-time
|
|
// constants and they satisfy the condition in `should_resolve_constant`. The
|
|
// argument `xla_expression_offset` determines what offset is needed to get the
|
|
// input expression from context given the argument index in `args`.
|
|
//
|
|
// Returns a list of indices which were converted to constants.
|
|
absl::InlinedVector<int, 5> ConvertCompileTimeConstArgumentsToConst(
|
|
XlaOpKernelContext* ctx, std::vector<XlaCompiler::Argument>* args,
|
|
int xla_expression_offset,
|
|
std::function<bool(int arg_idx)> should_resolve_constant);
|
|
|
|
// Find and populate `must_be_const_nodes` and `body` of the function
|
|
// corresponding to the kernel with context `ctx` with name `func_name`.
|
|
Status FindMustBeConstNodes(XlaOpKernelContext* ctx,
|
|
const NameAttrList& func_name,
|
|
std::vector<bool>* must_be_const_nodes,
|
|
const FunctionBody** body);
|
|
|
|
} // namespace tensorflow
|
|
|
|
#endif // TENSORFLOW_COMPILER_TF2XLA_KERNELS_IF_WHILE_UTILS_H_
|