60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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// XLA-specific ensure_shape Op.
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#include "tensorflow/compiler/tf2xla/type_util.h"
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#include "tensorflow/compiler/tf2xla/xla_helpers.h"
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#include "tensorflow/compiler/tf2xla/xla_op_kernel.h"
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#include "tensorflow/compiler/tf2xla/xla_op_registry.h"
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#include "tensorflow/compiler/xla/client/xla_builder.h"
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#include "tensorflow/compiler/xla/literal.h"
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#include "tensorflow/core/framework/op_kernel.h"
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#include "tensorflow/core/framework/register_types.h"
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#include "tensorflow/core/framework/tensor.h"
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namespace tensorflow {
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namespace {
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class EnsureShapeOp : public XlaOpKernel {
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public:
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explicit EnsureShapeOp(OpKernelConstruction* ctx) : XlaOpKernel(ctx) {
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OP_REQUIRES_OK(ctx, ctx->GetAttr("shape", &expected_shape_));
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}
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void Compile(XlaOpKernelContext* ctx) override {
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const TensorShape shape = ctx->InputShape(0);
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// valiate shape
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OP_REQUIRES(
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ctx, expected_shape_.IsCompatibleWith(shape),
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errors::InvalidArgument("Shape of tensor ", this->def().input(0), " ",
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shape.DebugString(),
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" is not compatible with expected shape ",
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expected_shape_.DebugString(), "."));
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// If shape matches, outputs the tensor.
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ctx->SetOutput(0, ctx->Input(0));
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}
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private:
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PartialTensorShape expected_shape_;
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};
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REGISTER_XLA_OP(Name("EnsureShape"), EnsureShapeOp);
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} // namespace
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} // namespace tensorflow
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