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diff --git a/tensorflow/compiler/xla/text_literal_reader.h b/tensorflow/compiler/xla/text_literal_reader.h
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+/* Copyright 2017 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_XLA_TEXT_LITERAL_READER_H_
+#define TENSORFLOW_COMPILER_XLA_TEXT_LITERAL_READER_H_
+
+#include <memory>
+
+#include "tensorflow/compiler/xla/statusor.h"
+#include "tensorflow/compiler/xla/types.h"
+#include "tensorflow/compiler/xla/xla_data.pb.h"
+#include "tensorflow/core/lib/core/stringpiece.h"
+#include "tensorflow/core/platform/env.h"
+#include "tensorflow/core/platform/macros.h"
+
+namespace xla {
+
+// Reads a textual literal from a file path.  The format of the file must be:
+//
+//    f32[1,2,3,4]
+//    (0, 0, 0, 0): 1.234
+//    (0, 0, 0, 1): 0xf00p-2
+//    ...
+//
+// Note that for floating values the hex output (as in the second value above)
+// will more precisely convey the exact values.
+class TextLiteralReader {
+ public:
+  // See class comment -- reads a file in its entirety (there must be only one
+  // literal in the text file path provided).
+  static StatusOr<std::unique_ptr<Literal>> ReadPath(
+      tensorflow::StringPiece path);
+
+ private:
+  // Ownership of file is transferred.
+  explicit TextLiteralReader(tensorflow::RandomAccessFile* file);
+
+  // Parses a shape string on the first line, followed by lines of values to the
+  // end of the file.
+  StatusOr<std::unique_ptr<Literal>> ReadAllLines();
+
+  // Owns the file being read
+  std::unique_ptr<tensorflow::RandomAccessFile> file_;
+
+  TF_DISALLOW_COPY_AND_ASSIGN(TextLiteralReader);
+};
+
+}  // namespace xla
+
+#endif  // TENSORFLOW_COMPILER_XLA_TEXT_LITERAL_READER_H_