1 files changed, 0 insertions, 123 deletions
diff --git a/llvm/lib/DebugInfo/PDB/Native/StringTableStreamBuilder.cpp b/llvm/lib/DebugInfo/PDB/Native/StringTableStreamBuilder.cpp
deleted file mode 100644
index b19440961bc..00000000000
--- a/llvm/lib/DebugInfo/PDB/Native/StringTableStreamBuilder.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-//===- StringTableStreamBuilder.cpp - PDB String Table ----------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/DebugInfo/PDB/Native/StringTableStreamBuilder.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/DebugInfo/PDB/Native/Hash.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
-#include "llvm/Support/BinaryStreamWriter.h"
-#include "llvm/Support/Endian.h"
-
-using namespace llvm;
-using namespace llvm::support;
-using namespace llvm::support::endian;
-using namespace llvm::pdb;
-
-uint32_t StringTableStreamBuilder::insert(StringRef S) {
-  return Strings.insert(S);
-}
-
-static uint32_t computeBucketCount(uint32_t NumStrings) {
-  // The /names stream is basically an on-disk open-addressing hash table.
-  // Hash collisions are resolved by linear probing. We cannot make
-  // utilization 100% because it will make the linear probing extremely
-  // slow. But lower utilization wastes disk space. As a reasonable
-  // load factor, we choose 80%. We need +1 because slot 0 is reserved.
-  return (NumStrings + 1) * 1.25;
-}
-
-uint32_t StringTableStreamBuilder::hashTableSize() const {
-  uint32_t Size = sizeof(uint32_t); // Hash table begins with 4-byte size field.
-
-  Size += computeBucketCount(Strings.size()) * sizeof(uint32_t);
-  return Size;
-}
-
-uint32_t StringTableStreamBuilder::calculateSerializedSize() const {
-  uint32_t Size = 0;
-  Size += sizeof(StringTableHeader);
-  Size += Strings.calculateSerializedSize();
-  Size += hashTableSize();
-  Size += sizeof(uint32_t); // The table ends with the number of strings.
-  return Size;
-}
-
-Error StringTableStreamBuilder::writeHeader(BinaryStreamWriter &Writer) const {
-  // Write a header
-  StringTableHeader H;
-  H.Signature = StringTableSignature;
-  H.HashVersion = 1;
-  H.ByteSize = Strings.calculateSerializedSize();
-  if (auto EC = Writer.writeObject(H))
-    return EC;
-
-  assert(Writer.bytesRemaining() == 0);
-  return Error::success();
-}
-
-Error StringTableStreamBuilder::writeStrings(BinaryStreamWriter &Writer) const {
-  if (auto EC = Strings.commit(Writer))
-    return EC;
-
-  assert(Writer.bytesRemaining() == 0);
-  return Error::success();
-}
-
-Error StringTableStreamBuilder::writeHashTable(
-    BinaryStreamWriter &Writer) const {
-  // Write a hash table.
-  uint32_t BucketCount = computeBucketCount(Strings.size());
-  if (auto EC = Writer.writeInteger(BucketCount))
-    return EC;
-
-  std::vector<ulittle32_t> Buckets(BucketCount);
-
-  for (auto &Pair : Strings) {
-    StringRef S = Pair.getKey();
-    uint32_t Offset = Pair.getValue();
-    uint32_t Hash = hashStringV1(S);
-
-    for (uint32_t I = 0; I != BucketCount; ++I) {
-      uint32_t Slot = (Hash + I) % BucketCount;
-      if (Slot == 0)
-        continue; // Skip reserved slot
-      if (Buckets[Slot] != 0)
-        continue;
-      Buckets[Slot] = Offset;
-      break;
-    }
-  }
-
-  if (auto EC = Writer.writeArray(makeArrayRef(Buckets)))
-    return EC;
-  assert(Writer.bytesRemaining() == 0);
-  return Error::success();
-}
-
-Error StringTableStreamBuilder::commit(BinaryStreamWriter &Writer) const {
-  BinaryStreamWriter Section;
-
-  std::tie(Section, Writer) = Writer.split(sizeof(StringTableHeader));
-  if (auto EC = writeHeader(Section))
-    return EC;
-
-  std::tie(Section, Writer) = Writer.split(Strings.calculateSerializedSize());
-  if (auto EC = writeStrings(Section))
-    return EC;
-
-  std::tie(Section, Writer) = Writer.split(hashTableSize());
-  if (auto EC = writeHashTable(Section))
-    return EC;
-
-  if (auto EC = Writer.writeInteger<uint32_t>(Strings.size()))
-    return EC;
-
-  assert(Writer.bytesRemaining() == 0);
-  return Error::success();
-}