1 files changed, 0 insertions, 400 deletions
diff --git a/contrib/llvm/lib/ProfileData/SampleProfWriter.cpp b/contrib/llvm/lib/ProfileData/SampleProfWriter.cpp
deleted file mode 100644
index 8b876e0aa5d9..000000000000
--- a/contrib/llvm/lib/ProfileData/SampleProfWriter.cpp
+++ /dev/null
@@ -1,400 +0,0 @@
-//===- SampleProfWriter.cpp - Write LLVM sample profile data --------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the class that writes LLVM sample profiles. It
-// supports two file formats: text and binary. The textual representation
-// is useful for debugging and testing purposes. The binary representation
-// is more compact, resulting in smaller file sizes. However, they can
-// both be used interchangeably.
-//
-// See lib/ProfileData/SampleProfReader.cpp for documentation on each of the
-// supported formats.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ProfileData/SampleProfWriter.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ProfileData/ProfileCommon.h"
-#include "llvm/ProfileData/SampleProf.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/EndianStream.h"
-#include "llvm/Support/ErrorOr.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/LEB128.h"
-#include "llvm/Support/MD5.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
-#include <cstdint>
-#include <memory>
-#include <set>
-#include <system_error>
-#include <utility>
-#include <vector>
-
-using namespace llvm;
-using namespace sampleprof;
-
-std::error_code
-SampleProfileWriter::write(const StringMap<FunctionSamples> &ProfileMap) {
-  if (std::error_code EC = writeHeader(ProfileMap))
-    return EC;
-
-  // Sort the ProfileMap by total samples.
-  typedef std::pair<StringRef, const FunctionSamples *> NameFunctionSamples;
-  std::vector<NameFunctionSamples> V;
-  for (const auto &I : ProfileMap)
-    V.push_back(std::make_pair(I.getKey(), &I.second));
-
-  llvm::stable_sort(
-      V, [](const NameFunctionSamples &A, const NameFunctionSamples &B) {
-        if (A.second->getTotalSamples() == B.second->getTotalSamples())
-          return A.first > B.first;
-        return A.second->getTotalSamples() > B.second->getTotalSamples();
-      });
-
-  for (const auto &I : V) {
-    if (std::error_code EC = write(*I.second))
-      return EC;
-  }
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterCompactBinary::write(
-    const StringMap<FunctionSamples> &ProfileMap) {
-  if (std::error_code EC = SampleProfileWriter::write(ProfileMap))
-    return EC;
-  if (std::error_code EC = writeFuncOffsetTable())
-    return EC;
-  return sampleprof_error::success;
-}
-
-/// Write samples to a text file.
-///
-/// Note: it may be tempting to implement this in terms of
-/// FunctionSamples::print().  Please don't.  The dump functionality is intended
-/// for debugging and has no specified form.
-///
-/// The format used here is more structured and deliberate because
-/// it needs to be parsed by the SampleProfileReaderText class.
-std::error_code SampleProfileWriterText::write(const FunctionSamples &S) {
-  auto &OS = *OutputStream;
-  OS << S.getName() << ":" << S.getTotalSamples();
-  if (Indent == 0)
-    OS << ":" << S.getHeadSamples();
-  OS << "\n";
-
-  SampleSorter<LineLocation, SampleRecord> SortedSamples(S.getBodySamples());
-  for (const auto &I : SortedSamples.get()) {
-    LineLocation Loc = I->first;
-    const SampleRecord &Sample = I->second;
-    OS.indent(Indent + 1);
-    if (Loc.Discriminator == 0)
-      OS << Loc.LineOffset << ": ";
-    else
-      OS << Loc.LineOffset << "." << Loc.Discriminator << ": ";
-
-    OS << Sample.getSamples();
-
-    for (const auto &J : Sample.getCallTargets())
-      OS << " " << J.first() << ":" << J.second;
-    OS << "\n";
-  }
-
-  SampleSorter<LineLocation, FunctionSamplesMap> SortedCallsiteSamples(
-      S.getCallsiteSamples());
-  Indent += 1;
-  for (const auto &I : SortedCallsiteSamples.get())
-    for (const auto &FS : I->second) {
-      LineLocation Loc = I->first;
-      const FunctionSamples &CalleeSamples = FS.second;
-      OS.indent(Indent);
-      if (Loc.Discriminator == 0)
-        OS << Loc.LineOffset << ": ";
-      else
-        OS << Loc.LineOffset << "." << Loc.Discriminator << ": ";
-      if (std::error_code EC = write(CalleeSamples))
-        return EC;
-    }
-  Indent -= 1;
-
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterBinary::writeNameIdx(StringRef FName) {
-  const auto &ret = NameTable.find(FName);
-  if (ret == NameTable.end())
-    return sampleprof_error::truncated_name_table;
-  encodeULEB128(ret->second, *OutputStream);
-  return sampleprof_error::success;
-}
-
-void SampleProfileWriterBinary::addName(StringRef FName) {
-  NameTable.insert(std::make_pair(FName, 0));
-}
-
-void SampleProfileWriterBinary::addNames(const FunctionSamples &S) {
-  // Add all the names in indirect call targets.
-  for (const auto &I : S.getBodySamples()) {
-    const SampleRecord &Sample = I.second;
-    for (const auto &J : Sample.getCallTargets())
-      addName(J.first());
-  }
-
-  // Recursively add all the names for inlined callsites.
-  for (const auto &J : S.getCallsiteSamples())
-    for (const auto &FS : J.second) {
-      const FunctionSamples &CalleeSamples = FS.second;
-      addName(CalleeSamples.getName());
-      addNames(CalleeSamples);
-    }
-}
-
-void SampleProfileWriterBinary::stablizeNameTable(std::set<StringRef> &V) {
-  // Sort the names to make NameTable deterministic.
-  for (const auto &I : NameTable)
-    V.insert(I.first);
-  int i = 0;
-  for (const StringRef &N : V)
-    NameTable[N] = i++;
-}
-
-std::error_code SampleProfileWriterRawBinary::writeNameTable() {
-  auto &OS = *OutputStream;
-  std::set<StringRef> V;
-  stablizeNameTable(V);
-
-  // Write out the name table.
-  encodeULEB128(NameTable.size(), OS);
-  for (auto N : V) {
-    OS << N;
-    encodeULEB128(0, OS);
-  }
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterCompactBinary::writeFuncOffsetTable() {
-  auto &OS = *OutputStream;
-
-  // Fill the slot remembered by TableOffset with the offset of FuncOffsetTable.
-  auto &OFS = static_cast<raw_fd_ostream &>(OS);
-  uint64_t FuncOffsetTableStart = OS.tell();
-  if (OFS.seek(TableOffset) == (uint64_t)-1)
-    return sampleprof_error::ostream_seek_unsupported;
-  support::endian::Writer Writer(*OutputStream, support::little);
-  Writer.write(FuncOffsetTableStart);
-  if (OFS.seek(FuncOffsetTableStart) == (uint64_t)-1)
-    return sampleprof_error::ostream_seek_unsupported;
-
-  // Write out the table size.
-  encodeULEB128(FuncOffsetTable.size(), OS);
-
-  // Write out FuncOffsetTable.
-  for (auto entry : FuncOffsetTable) {
-    writeNameIdx(entry.first);
-    encodeULEB128(entry.second, OS);
-  }
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterCompactBinary::writeNameTable() {
-  auto &OS = *OutputStream;
-  std::set<StringRef> V;
-  stablizeNameTable(V);
-
-  // Write out the name table.
-  encodeULEB128(NameTable.size(), OS);
-  for (auto N : V) {
-    encodeULEB128(MD5Hash(N), OS);
-  }
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterRawBinary::writeMagicIdent() {
-  auto &OS = *OutputStream;
-  // Write file magic identifier.
-  encodeULEB128(SPMagic(), OS);
-  encodeULEB128(SPVersion(), OS);
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterCompactBinary::writeMagicIdent() {
-  auto &OS = *OutputStream;
-  // Write file magic identifier.
-  encodeULEB128(SPMagic(SPF_Compact_Binary), OS);
-  encodeULEB128(SPVersion(), OS);
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterBinary::writeHeader(
-    const StringMap<FunctionSamples> &ProfileMap) {
-  writeMagicIdent();
-
-  computeSummary(ProfileMap);
-  if (auto EC = writeSummary())
-    return EC;
-
-  // Generate the name table for all the functions referenced in the profile.
-  for (const auto &I : ProfileMap) {
-    addName(I.first());
-    addNames(I.second);
-  }
-
-  writeNameTable();
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterCompactBinary::writeHeader(
-    const StringMap<FunctionSamples> &ProfileMap) {
-  support::endian::Writer Writer(*OutputStream, support::little);
-  if (auto EC = SampleProfileWriterBinary::writeHeader(ProfileMap))
-    return EC;
-
-  // Reserve a slot for the offset of function offset table. The slot will
-  // be populated with the offset of FuncOffsetTable later.
-  TableOffset = OutputStream->tell();
-  Writer.write(static_cast<uint64_t>(-2));
-  return sampleprof_error::success;
-}
-
-std::error_code SampleProfileWriterBinary::writeSummary() {
-  auto &OS = *OutputStream;
-  encodeULEB128(Summary->getTotalCount(), OS);
-  encodeULEB128(Summary->getMaxCount(), OS);
-  encodeULEB128(Summary->getMaxFunctionCount(), OS);
-  encodeULEB128(Summary->getNumCounts(), OS);
-  encodeULEB128(Summary->getNumFunctions(), OS);
-  std::vector<ProfileSummaryEntry> &Entries = Summary->getDetailedSummary();
-  encodeULEB128(Entries.size(), OS);
-  for (auto Entry : Entries) {
-    encodeULEB128(Entry.Cutoff, OS);
-    encodeULEB128(Entry.MinCount, OS);
-    encodeULEB128(Entry.NumCounts, OS);
-  }
-  return sampleprof_error::success;
-}
-std::error_code SampleProfileWriterBinary::writeBody(const FunctionSamples &S) {
-  auto &OS = *OutputStream;
-
-  if (std::error_code EC = writeNameIdx(S.getName()))
-    return EC;
-
-  encodeULEB128(S.getTotalSamples(), OS);
-
-  // Emit all the body samples.
-  encodeULEB128(S.getBodySamples().size(), OS);
-  for (const auto &I : S.getBodySamples()) {
-    LineLocation Loc = I.first;
-    const SampleRecord &Sample = I.second;
-    encodeULEB128(Loc.LineOffset, OS);
-    encodeULEB128(Loc.Discriminator, OS);
-    encodeULEB128(Sample.getSamples(), OS);
-    encodeULEB128(Sample.getCallTargets().size(), OS);
-    for (const auto &J : Sample.getCallTargets()) {
-      StringRef Callee = J.first();
-      uint64_t CalleeSamples = J.second;
-      if (std::error_code EC = writeNameIdx(Callee))
-        return EC;
-      encodeULEB128(CalleeSamples, OS);
-    }
-  }
-
-  // Recursively emit all the callsite samples.
-  uint64_t NumCallsites = 0;
-  for (const auto &J : S.getCallsiteSamples())
-    NumCallsites += J.second.size();
-  encodeULEB128(NumCallsites, OS);
-  for (const auto &J : S.getCallsiteSamples())
-    for (const auto &FS : J.second) {
-      LineLocation Loc = J.first;
-      const FunctionSamples &CalleeSamples = FS.second;
-      encodeULEB128(Loc.LineOffset, OS);
-      encodeULEB128(Loc.Discriminator, OS);
-      if (std::error_code EC = writeBody(CalleeSamples))
-        return EC;
-    }
-
-  return sampleprof_error::success;
-}
-
-/// Write samples of a top-level function to a binary file.
-///
-/// \returns true if the samples were written successfully, false otherwise.
-std::error_code SampleProfileWriterBinary::write(const FunctionSamples &S) {
-  encodeULEB128(S.getHeadSamples(), *OutputStream);
-  return writeBody(S);
-}
-
-std::error_code
-SampleProfileWriterCompactBinary::write(const FunctionSamples &S) {
-  uint64_t Offset = OutputStream->tell();
-  StringRef Name = S.getName();
-  FuncOffsetTable[Name] = Offset;
-  encodeULEB128(S.getHeadSamples(), *OutputStream);
-  return writeBody(S);
-}
-
-/// Create a sample profile file writer based on the specified format.
-///
-/// \param Filename The file to create.
-///
-/// \param Format Encoding format for the profile file.
-///
-/// \returns an error code indicating the status of the created writer.
-ErrorOr<std::unique_ptr<SampleProfileWriter>>
-SampleProfileWriter::create(StringRef Filename, SampleProfileFormat Format) {
-  std::error_code EC;
-  std::unique_ptr<raw_ostream> OS;
-  if (Format == SPF_Binary || Format == SPF_Compact_Binary)
-    OS.reset(new raw_fd_ostream(Filename, EC, sys::fs::F_None));
-  else
-    OS.reset(new raw_fd_ostream(Filename, EC, sys::fs::F_Text));
-  if (EC)
-    return EC;
-
-  return create(OS, Format);
-}
-
-/// Create a sample profile stream writer based on the specified format.
-///
-/// \param OS The output stream to store the profile data to.
-///
-/// \param Format Encoding format for the profile file.
-///
-/// \returns an error code indicating the status of the created writer.
-ErrorOr<std::unique_ptr<SampleProfileWriter>>
-SampleProfileWriter::create(std::unique_ptr<raw_ostream> &OS,
-                            SampleProfileFormat Format) {
-  std::error_code EC;
-  std::unique_ptr<SampleProfileWriter> Writer;
-
-  if (Format == SPF_Binary)
-    Writer.reset(new SampleProfileWriterRawBinary(OS));
-  else if (Format == SPF_Compact_Binary)
-    Writer.reset(new SampleProfileWriterCompactBinary(OS));
-  else if (Format == SPF_Text)
-    Writer.reset(new SampleProfileWriterText(OS));
-  else if (Format == SPF_GCC)
-    EC = sampleprof_error::unsupported_writing_format;
-  else
-    EC = sampleprof_error::unrecognized_format;
-
-  if (EC)
-    return EC;
-
-  return std::move(Writer);
-}
-
-void SampleProfileWriter::computeSummary(
-    const StringMap<FunctionSamples> &ProfileMap) {
-  SampleProfileSummaryBuilder Builder(ProfileSummaryBuilder::DefaultCutoffs);
-  for (const auto &I : ProfileMap) {
-    const FunctionSamples &Profile = I.second;
-    Builder.addRecord(Profile);
-  }
-  Summary = Builder.getSummary();
-}