1 files changed, 0 insertions, 87 deletions
diff --git a/include/llvm/Support/StreamingMemoryObject.h b/include/llvm/Support/StreamingMemoryObject.h
deleted file mode 100644
index 1ab85372cd20..000000000000
--- a/include/llvm/Support/StreamingMemoryObject.h
+++ /dev/null
@@ -1,87 +0,0 @@
-//===- StreamingMemoryObject.h - Streamable data interface -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_STREAMINGMEMORYOBJECT_H
-#define LLVM_SUPPORT_STREAMINGMEMORYOBJECT_H
-
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/DataStream.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MemoryObject.h"
-#include <memory>
-#include <vector>
-
-namespace llvm {
-
-/// Interface to data which is actually streamed from a DataStreamer. In
-/// addition to inherited members, it has the dropLeadingBytes and
-/// setKnownObjectSize methods which are not applicable to non-streamed objects.
-class StreamingMemoryObject : public MemoryObject {
-public:
-  StreamingMemoryObject(std::unique_ptr<DataStreamer> Streamer);
-  uint64_t getExtent() const override;
-  uint64_t readBytes(uint8_t *Buf, uint64_t Size,
-                     uint64_t Address) const override;
-  const uint8_t *getPointer(uint64_t Address, uint64_t Size) const override;
-  bool isValidAddress(uint64_t address) const override;
-
-  /// Drop s bytes from the front of the stream, pushing the positions of the
-  /// remaining bytes down by s. This is used to skip past the bitcode header,
-  /// since we don't know a priori if it's present, and we can't put bytes
-  /// back into the stream once we've read them.
-  bool dropLeadingBytes(size_t s);
-
-  /// If the data object size is known in advance, many of the operations can
-  /// be made more efficient, so this method should be called before reading
-  /// starts (although it can be called anytime).
-  void setKnownObjectSize(size_t size);
-
-  /// The number of bytes read at a time from the data streamer.
-  static const uint32_t kChunkSize = 4096 * 4;
-
-private:
-  mutable std::vector<unsigned char> Bytes;
-  std::unique_ptr<DataStreamer> Streamer;
-  mutable size_t BytesRead;   // Bytes read from stream
-  size_t BytesSkipped;// Bytes skipped at start of stream (e.g. wrapper/header)
-  mutable size_t ObjectSize; // 0 if unknown, set if wrapper seen or EOF reached
-  mutable bool EOFReached;
-
-  // Fetch enough bytes such that Pos can be read (i.e. BytesRead >
-  // Pos). Returns true if Pos can be read.  Unlike most of the
-  // functions in BitcodeReader, returns true on success.  Most of the
-  // requests will be small, but we fetch at kChunkSize bytes at a
-  // time to avoid making too many potentially expensive GetBytes
-  // calls.
-  bool fetchToPos(size_t Pos) const {
-    while (Pos >= BytesRead) {
-      if (EOFReached)
-        return false;
-      Bytes.resize(BytesRead + BytesSkipped + kChunkSize);
-      size_t bytes = Streamer->GetBytes(&Bytes[BytesRead + BytesSkipped],
-                                        kChunkSize);
-      BytesRead += bytes;
-      if (bytes == 0) { // reached EOF/ran out of bytes
-        if (ObjectSize == 0)
-          ObjectSize = BytesRead;
-        EOFReached = true;
-      }
-    }
-    return !ObjectSize || Pos < ObjectSize;
-  }
-
-  StreamingMemoryObject(const StreamingMemoryObject&) = delete;
-  void operator=(const StreamingMemoryObject&) = delete;
-};
-
-MemoryObject *getNonStreamedMemoryObject(
-    const unsigned char *Start, const unsigned char *End);
-
-}
-#endif  // STREAMINGMEMORYOBJECT_H_