[llvm] dbf47d2 - Revert "[ProfileData] Read and symbolize raw memprof profiles."

Snehasish Kumar via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 3 16:14:25 PST 2022


Author: Snehasish Kumar
Date: 2022-02-03T16:14:05-08:00
New Revision: dbf47d227d080e4eb7239b589660f51d7b08afa9

URL: https://github.com/llvm/llvm-project/commit/dbf47d227d080e4eb7239b589660f51d7b08afa9
DIFF: https://github.com/llvm/llvm-project/commit/dbf47d227d080e4eb7239b589660f51d7b08afa9.diff

LOG: Revert "[ProfileData] Read and symbolize raw memprof profiles."

This reverts commit 26f978d4c5ad0d2217940ef7625b0c3c0d576988.

This patch added a transitive dependency on libcurl via symbolize.
See discussion
https://reviews.llvm.org/D116784#inline-1137928
https://reviews.llvm.org/D113717#3295350

Added: 
    

Modified: 
    llvm/include/llvm/DebugInfo/DIContext.h
    llvm/include/llvm/ProfileData/RawMemProfReader.h
    llvm/lib/ProfileData/CMakeLists.txt
    llvm/lib/ProfileData/RawMemProfReader.cpp
    llvm/test/tools/llvm-profdata/Inputs/basic.memprofraw
    llvm/test/tools/llvm-profdata/Inputs/multi.memprofraw
    llvm/test/tools/llvm-profdata/memprof-basic.test
    llvm/test/tools/llvm-profdata/memprof-multi.test
    llvm/tools/llvm-profdata/llvm-profdata.cpp
    llvm/unittests/ProfileData/CMakeLists.txt

Removed: 
    llvm/include/llvm/ProfileData/MemProf.h
    llvm/test/tools/llvm-profdata/Inputs/basic.memprofexe
    llvm/test/tools/llvm-profdata/Inputs/multi.memprofexe
    llvm/unittests/ProfileData/MemProfTest.cpp


################################################################################
diff  --git a/llvm/include/llvm/DebugInfo/DIContext.h b/llvm/include/llvm/DebugInfo/DIContext.h
index 5bddc8b52024..d029556c9d89 100644
--- a/llvm/include/llvm/DebugInfo/DIContext.h
+++ b/llvm/include/llvm/DebugInfo/DIContext.h
@@ -151,10 +151,6 @@ struct DILineInfoSpecifier {
   DILineInfoSpecifier(FileLineInfoKind FLIKind = FileLineInfoKind::RawValue,
                       FunctionNameKind FNKind = FunctionNameKind::None)
       : FLIKind(FLIKind), FNKind(FNKind) {}
-
-  inline bool operator==(const DILineInfoSpecifier &RHS) const {
-    return FLIKind == RHS.FLIKind && FNKind == RHS.FNKind;
-  }
 };
 
 /// This is just a helper to programmatically construct DIDumpType.

diff  --git a/llvm/include/llvm/ProfileData/MemProf.h b/llvm/include/llvm/ProfileData/MemProf.h
deleted file mode 100644
index c21903c94006..000000000000
--- a/llvm/include/llvm/ProfileData/MemProf.h
+++ /dev/null
@@ -1,95 +0,0 @@
-#ifndef LLVM_PROFILEDATA_MEMPROF_H_
-#define LLVM_PROFILEDATA_MEMPROF_H_
-
-#include <cstdint>
-#include <string>
-#include <vector>
-
-#include "llvm/ProfileData/MemProfData.inc"
-#include "llvm/Support/raw_ostream.h"
-
-namespace llvm {
-namespace memprof {
-
-struct MemProfRecord {
-  struct Frame {
-    std::string Function;
-    uint32_t LineOffset;
-    uint32_t Column;
-    bool IsInlineFrame;
-
-    Frame(std::string Str, uint32_t Off, uint32_t Col, bool Inline)
-        : Function(std::move(Str)), LineOffset(Off), Column(Col),
-          IsInlineFrame(Inline) {}
-  };
-
-  std::vector<Frame> CallStack;
-  // TODO: Replace this with the entry format described in the RFC so
-  // that the InstrProfRecord reader and writer do not have to be concerned
-  // about backwards compat.
-  MemInfoBlock Info;
-
-  void clear() {
-    CallStack.clear();
-    Info = MemInfoBlock();
-  }
-
-  // Prints out the contents of the memprof record in YAML.
-  void print(llvm::raw_ostream &OS) const {
-    OS << "    Callstack:\n";
-    // TODO: Print out the frame on one line with to make it easier for deep
-    // callstacks once we have a test to check valid YAML is generated.
-    for (const auto &Frame : CallStack) {
-      OS << "    -\n"
-         << "      Function: " << Frame.Function << "\n"
-         << "      LineOffset: " << Frame.LineOffset << "\n"
-         << "      Column: " << Frame.Column << "\n"
-         << "      Inline: " << Frame.IsInlineFrame << "\n";
-    }
-
-    OS << "    MemInfoBlock:\n";
-
-    // TODO: Replace this once the format is updated to be version agnostic.
-    OS << "      "
-       << "AllocCount: " << Info.alloc_count << "\n";
-    OS << "      "
-       << "TotalAccessCount: " << Info.total_access_count << "\n";
-    OS << "      "
-       << "MinAccessCount: " << Info.min_access_count << "\n";
-    OS << "      "
-       << "MaxAccessCount: " << Info.max_access_count << "\n";
-    OS << "      "
-       << "TotalSize: " << Info.total_size << "\n";
-    OS << "      "
-       << "MinSize: " << Info.min_size << "\n";
-    OS << "      "
-       << "MaxSize: " << Info.max_size << "\n";
-    OS << "      "
-       << "AllocTimestamp: " << Info.alloc_timestamp << "\n";
-    OS << "      "
-       << "DeallocTimestamp: " << Info.dealloc_timestamp << "\n";
-    OS << "      "
-       << "TotalLifetime: " << Info.total_lifetime << "\n";
-    OS << "      "
-       << "MinLifetime: " << Info.min_lifetime << "\n";
-    OS << "      "
-       << "MaxLifetime: " << Info.max_lifetime << "\n";
-    OS << "      "
-       << "AllocCpuId: " << Info.alloc_cpu_id << "\n";
-    OS << "      "
-       << "DeallocCpuId: " << Info.dealloc_cpu_id << "\n";
-    OS << "      "
-       << "NumMigratedCpu: " << Info.num_migrated_cpu << "\n";
-    OS << "      "
-       << "NumLifetimeOverlaps: " << Info.num_lifetime_overlaps << "\n";
-    OS << "      "
-       << "NumSameAllocCpu: " << Info.num_same_alloc_cpu << "\n";
-    OS << "      "
-       << "NumSameDeallocCpu: " << Info.num_same_dealloc_cpu << "\n";
-  }
-};
-
-} // namespace memprof
-} // namespace llvm
-
-#endif // LLVM_PROFILEDATA_MEMPROF_H_

diff  --git a/llvm/include/llvm/ProfileData/RawMemProfReader.h b/llvm/include/llvm/ProfileData/RawMemProfReader.h
index 55ba31d2a649..5041f54c46ad 100644
--- a/llvm/include/llvm/ProfileData/RawMemProfReader.h
+++ b/llvm/include/llvm/ProfileData/RawMemProfReader.h
@@ -12,95 +12,33 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/MapVector.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
-#include "llvm/DebugInfo/Symbolize/Symbolize.h"
-#include "llvm/Object/Binary.h"
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/ProfileData/InstrProfReader.h"
-#include "llvm/ProfileData/MemProf.h"
-#include "llvm/ProfileData/MemProfData.inc"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/MemoryBuffer.h"
 
-#include <cstddef>
-
 namespace llvm {
 namespace memprof {
 
-// Map from id (recorded from sanitizer stack depot) to virtual addresses for
-// each program counter address in the callstack.
-using CallStackMap = llvm::DenseMap<uint64_t, llvm::SmallVector<uint64_t, 32>>;
-
 class RawMemProfReader {
 public:
   RawMemProfReader(std::unique_ptr<MemoryBuffer> DataBuffer)
       : DataBuffer(std::move(DataBuffer)) {}
-  RawMemProfReader(const RawMemProfReader &) = delete;
-  RawMemProfReader &operator=(const RawMemProfReader &) = delete;
-
   // Prints the contents of the profile in YAML format.
   void printYAML(raw_ostream &OS);
 
   // Return true if the \p DataBuffer starts with magic bytes indicating it is
   // a raw binary memprof profile.
   static bool hasFormat(const MemoryBuffer &DataBuffer);
-  // Return true if the file at \p Path starts with magic bytes indicating it is
-  // a raw binary memprof profile.
-  static bool hasFormat(const StringRef Path);
 
   // Create a RawMemProfReader after sanity checking the contents of the file at
-  // \p Path. The binary from which the profile has been collected is specified
-  // via a path in \p ProfiledBinary.
-  static Expected<std::unique_ptr<RawMemProfReader>>
-  create(const Twine &Path, const StringRef ProfiledBinary);
-
-  Error readNextRecord(MemProfRecord &Record);
-
-  using Iterator = InstrProfIterator<MemProfRecord, RawMemProfReader>;
-  Iterator end() { return Iterator(); }
-  Iterator begin() {
-    Iter = ProfileData.begin();
-    return Iterator(this);
-  }
-
-  // Constructor for unittests only.
-  RawMemProfReader(std::unique_ptr<llvm::symbolize::SymbolizableModule> Sym,
-                   llvm::SmallVectorImpl<SegmentEntry> &Seg,
-                   llvm::MapVector<uint64_t, MemInfoBlock> &Prof,
-                   CallStackMap &SM)
-      : Symbolizer(std::move(Sym)), SegmentInfo(Seg.begin(), Seg.end()),
-        ProfileData(Prof), StackMap(SM) {}
+  // \p Path.
+  static Expected<std::unique_ptr<RawMemProfReader>> create(const Twine &Path);
 
 private:
-  RawMemProfReader(std::unique_ptr<MemoryBuffer> DataBuffer,
-                   object::OwningBinary<object::Binary> &&Bin)
-      : DataBuffer(std::move(DataBuffer)), Binary(std::move(Bin)) {}
-  Error initialize();
-  Error readRawProfile();
-
-  object::SectionedAddress getModuleOffset(uint64_t VirtualAddress);
-  Error fillRecord(const uint64_t Id, const MemInfoBlock &MIB,
-                   MemProfRecord &Record);
   // Prints aggregate counts for each raw profile parsed from the DataBuffer in
   // YAML format.
   void printSummaries(raw_ostream &OS) const;
 
   std::unique_ptr<MemoryBuffer> DataBuffer;
-  object::OwningBinary<object::Binary> Binary;
-  std::unique_ptr<llvm::symbolize::SymbolizableModule> Symbolizer;
-
-  // The contents of the raw profile.
-  llvm::SmallVector<SegmentEntry, 16> SegmentInfo;
-  // A map from callstack id (same as key in CallStackMap below) to the heap
-  // information recorded for that allocation context.
-  llvm::MapVector<uint64_t, MemInfoBlock> ProfileData;
-  CallStackMap StackMap;
-
-  // Iterator to read from the ProfileData MapVector.
-  llvm::MapVector<uint64_t, MemInfoBlock>::iterator Iter = ProfileData.end();
 };
 
 } // namespace memprof

diff  --git a/llvm/lib/ProfileData/CMakeLists.txt b/llvm/lib/ProfileData/CMakeLists.txt
index a8d046d7ae43..1237bf77983f 100644
--- a/llvm/lib/ProfileData/CMakeLists.txt
+++ b/llvm/lib/ProfileData/CMakeLists.txt
@@ -18,11 +18,9 @@ add_llvm_component_library(LLVMProfileData
 
   LINK_COMPONENTS
   Core
-  Object
   Support
   Demangle
   Object
-  Symbolize
   DebugInfoDWARF
   )
 

diff  --git a/llvm/lib/ProfileData/RawMemProfReader.cpp b/llvm/lib/ProfileData/RawMemProfReader.cpp
index c5efc31b1095..f6c59cdf6663 100644
--- a/llvm/lib/ProfileData/RawMemProfReader.cpp
+++ b/llvm/lib/ProfileData/RawMemProfReader.cpp
@@ -13,19 +13,9 @@
 #include <cstdint>
 #include <type_traits>
 
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/DebugInfo/DWARF/DWARFContext.h"
-#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
-#include "llvm/DebugInfo/Symbolize/SymbolizableObjectFile.h"
-#include "llvm/Object/Binary.h"
-#include "llvm/Object/ELFObjectFile.h"
-#include "llvm/Object/ObjectFile.h"
 #include "llvm/ProfileData/InstrProf.h"
-#include "llvm/ProfileData/MemProf.h"
 #include "llvm/ProfileData/MemProfData.inc"
 #include "llvm/ProfileData/RawMemProfReader.h"
-#include "llvm/Support/MD5.h"
 
 namespace llvm {
 namespace memprof {
@@ -58,22 +48,31 @@ Summary computeSummary(const char *Start) {
   };
 }
 
-Error checkBuffer(const MemoryBuffer &Buffer) {
-  if (!RawMemProfReader::hasFormat(Buffer))
-    return make_error<InstrProfError>(instrprof_error::bad_magic);
+} // namespace
+
+Expected<std::unique_ptr<RawMemProfReader>>
+RawMemProfReader::create(const Twine &Path) {
+  auto BufferOr = MemoryBuffer::getFileOrSTDIN(Path, /*IsText=*/true);
+  if (std::error_code EC = BufferOr.getError())
+    return errorCodeToError(EC);
 
-  if (Buffer.getBufferSize() == 0)
+  std::unique_ptr<MemoryBuffer> Buffer(BufferOr.get().release());
+
+  if (Buffer->getBufferSize() == 0)
     return make_error<InstrProfError>(instrprof_error::empty_raw_profile);
 
-  if (Buffer.getBufferSize() < sizeof(Header)) {
+  if (!RawMemProfReader::hasFormat(*Buffer))
+    return make_error<InstrProfError>(instrprof_error::bad_magic);
+
+  if (Buffer->getBufferSize() < sizeof(Header)) {
     return make_error<InstrProfError>(instrprof_error::truncated);
   }
 
   // The size of the buffer can be > header total size since we allow repeated
   // serialization of memprof profiles to the same file.
   uint64_t TotalSize = 0;
-  const char *Next = Buffer.getBufferStart();
-  while (Next < Buffer.getBufferEnd()) {
+  const char *Next = Buffer->getBufferStart();
+  while (Next < Buffer->getBufferEnd()) {
     auto *H = reinterpret_cast<const Header *>(Next);
     if (H->Version != MEMPROF_RAW_VERSION) {
       return make_error<InstrProfError>(instrprof_error::unsupported_version);
@@ -83,111 +82,11 @@ Error checkBuffer(const MemoryBuffer &Buffer) {
     Next += H->TotalSize;
   }
 
-  if (Buffer.getBufferSize() != TotalSize) {
+  if (Buffer->getBufferSize() != TotalSize) {
     return make_error<InstrProfError>(instrprof_error::malformed);
   }
-  return Error::success();
-}
-
-// A generic method to read binary data for type T where the first 8b indicate
-// the number of elements of type T to be read.
-template <typename T> llvm::SmallVector<T, 16> readInfo(const char *Begin) {
-  const uint64_t NumItemsToRead = *reinterpret_cast<const uint64_t *>(Begin);
-  const char *Ptr = Begin + sizeof(uint64_t);
-  llvm::SmallVector<T, 16> Items;
-  for (uint64_t I = 0; I < NumItemsToRead; I++) {
-    Items.emplace_back(*reinterpret_cast<const T *>(Ptr + I * sizeof(T)));
-  }
-  return Items;
-}
-
-CallStackMap readStackInfo(const char *Begin) {
-  const uint64_t NumItemsToRead = *reinterpret_cast<const uint64_t *>(Begin);
-  char *Ptr = const_cast<char *>(Begin) + sizeof(uint64_t);
-  CallStackMap Items;
 
-  uint64_t Count = 0;
-  do {
-    const uint64_t StackId = alignedRead(Ptr);
-    Ptr += sizeof(uint64_t);
-
-    const uint64_t NumPCs = alignedRead(Ptr);
-    Ptr += sizeof(uint64_t);
-
-    SmallVector<uint64_t, 32> CallStack;
-    for (uint64_t I = 0; I < NumPCs; I++) {
-      CallStack.push_back(alignedRead(Ptr));
-      Ptr += sizeof(uint64_t);
-    }
-
-    Items[StackId] = CallStack;
-  } while (++Count < NumItemsToRead);
-  return Items;
-}
-
-// Merges the contents of stack information in \p From to \p To. Returns true if
-// any stack ids observed previously map to a 
diff erent set of program counter
-// addresses.
-bool mergeStackMap(const CallStackMap &From, CallStackMap &To) {
-  for (const auto &IdStack : From) {
-    auto I = To.find(IdStack.first);
-    if (I == To.end()) {
-      To[IdStack.first] = IdStack.second;
-    } else {
-      // Check that the PCs are the same (in order).
-      if (IdStack.second != I->second)
-        return true;
-    }
-  }
-  return false;
-}
-
-StringRef trimSuffix(const StringRef Name) {
-  const auto Pos = Name.find(".llvm.");
-  return Name.take_front(Pos);
-}
-
-Error report(Error E, const StringRef Context) {
-  return joinErrors(createStringError(inconvertibleErrorCode(), Context),
-                    std::move(E));
-}
-} // namespace
-
-Expected<std::unique_ptr<RawMemProfReader>>
-RawMemProfReader::create(const Twine &Path, const StringRef ProfiledBinary) {
-  auto BufferOr = MemoryBuffer::getFileOrSTDIN(Path);
-  if (std::error_code EC = BufferOr.getError())
-    return report(errorCodeToError(EC), Path.getSingleStringRef());
-
-  std::unique_ptr<MemoryBuffer> Buffer(BufferOr.get().release());
-  if (Error E = checkBuffer(*Buffer))
-    return report(std::move(E), Path.getSingleStringRef());
-
-  if (ProfiledBinary.empty())
-    return report(
-        errorCodeToError(make_error_code(std::errc::invalid_argument)),
-        "Path to profiled binary is empty!");
-
-  auto BinaryOr = llvm::object::createBinary(ProfiledBinary);
-  if (!BinaryOr) {
-    return report(BinaryOr.takeError(), ProfiledBinary);
-  }
-
-  std::unique_ptr<RawMemProfReader> Reader(
-      new RawMemProfReader(std::move(Buffer), std::move(BinaryOr.get())));
-  if (Error E = Reader->initialize()) {
-    return std::move(E);
-  }
-  return std::move(Reader);
-}
-
-bool RawMemProfReader::hasFormat(const StringRef Path) {
-  auto BufferOr = MemoryBuffer::getFileOrSTDIN(Path);
-  if (!BufferOr)
-    return false;
-
-  std::unique_ptr<MemoryBuffer> Buffer(BufferOr.get().release());
-  return hasFormat(*Buffer);
+  return std::make_unique<RawMemProfReader>(std::move(Buffer));
 }
 
 bool RawMemProfReader::hasFormat(const MemoryBuffer &Buffer) {
@@ -202,12 +101,6 @@ bool RawMemProfReader::hasFormat(const MemoryBuffer &Buffer) {
 void RawMemProfReader::printYAML(raw_ostream &OS) {
   OS << "MemprofProfile:\n";
   printSummaries(OS);
-  // Print out the merged contents of the profiles.
-  OS << "  Records:\n";
-  for (const auto &Record : *this) {
-    OS << "  -\n";
-    Record.print(OS);
-  }
 }
 
 void RawMemProfReader::printSummaries(raw_ostream &OS) const {
@@ -229,145 +122,5 @@ void RawMemProfReader::printSummaries(raw_ostream &OS) const {
   }
 }
 
-Error RawMemProfReader::initialize() {
-  const StringRef FileName = Binary.getBinary()->getFileName();
-
-  auto *ElfObject = dyn_cast<object::ELFObjectFileBase>(Binary.getBinary());
-  if (!ElfObject) {
-    return report(make_error<StringError>(Twine("Not an ELF file: "),
-                                          inconvertibleErrorCode()),
-                  FileName);
-  }
-
-  auto Triple = ElfObject->makeTriple();
-  if (!Triple.isX86())
-    return report(make_error<StringError>(Twine("Unsupported target: ") +
-                                              Triple.getArchName(),
-                                          inconvertibleErrorCode()),
-                  FileName);
-
-  auto *Object = cast<object::ObjectFile>(Binary.getBinary());
-  std::unique_ptr<DIContext> Context = DWARFContext::create(
-      *Object, DWARFContext::ProcessDebugRelocations::Process);
-
-  auto SOFOr = symbolize::SymbolizableObjectFile::create(
-      Object, std::move(Context), /*UntagAddresses=*/false);
-  if (!SOFOr)
-    return report(SOFOr.takeError(), FileName);
-  Symbolizer = std::move(SOFOr.get());
-
-  return readRawProfile();
-}
-
-Error RawMemProfReader::readRawProfile() {
-  const char *Next = DataBuffer->getBufferStart();
-
-  while (Next < DataBuffer->getBufferEnd()) {
-    auto *Header = reinterpret_cast<const memprof::Header *>(Next);
-
-    // Read in the segment information, check whether its the same across all
-    // profiles in this binary file.
-    if (SegmentInfo.empty()) {
-      SegmentInfo = readInfo<SegmentEntry>(Next + Header->SegmentOffset);
-    } else {
-      auto Info = readInfo<SegmentEntry>(Next + Header->SegmentOffset);
-      // We do not expect segment information to change when deserializing from
-      // the same binary profile file. This can happen if dynamic libraries are
-      // loaded/unloaded between profile dumping.
-      if (SegmentInfo != Info) {
-        return make_error<InstrProfError>(instrprof_error::malformed);
-      }
-    }
-
-    // Read in the MemInfoBlocks. Merge them based on stack id - we assume that
-    // raw profiles in the same binary file are from the same process so the
-    // stackdepot ids are the same.
-    PACKED(struct IDAndMIB {
-      uint64_t Id;
-      MemInfoBlock MIB;
-    });
-    for (const auto &Value : readInfo<IDAndMIB>(Next + Header->MIBOffset)) {
-      if (ProfileData.count(Value.Id)) {
-        ProfileData[Value.Id].Merge(Value.MIB);
-      } else {
-        ProfileData[Value.Id] = Value.MIB;
-      }
-    }
-
-    // Read in the callstack for each ids. For multiple raw profiles in the same
-    // file, we expect that the callstack is the same for a unique id.
-    const CallStackMap CSM = readStackInfo(Next + Header->StackOffset);
-    if (StackMap.empty()) {
-      StackMap = CSM;
-    } else {
-      if (mergeStackMap(CSM, StackMap))
-        return make_error<InstrProfError>(instrprof_error::malformed);
-    }
-
-    Next += Header->TotalSize;
-  }
-
-  return Error::success();
-}
-
-object::SectionedAddress
-RawMemProfReader::getModuleOffset(const uint64_t VirtualAddress) {
-  SegmentEntry *ContainingSegment = nullptr;
-  for (auto &SE : SegmentInfo) {
-    if (VirtualAddress > SE.Start && VirtualAddress <= SE.End) {
-      ContainingSegment = &SE;
-    }
-  }
-
-  // Ensure that the virtual address is valid.
-  assert(ContainingSegment && "Could not find a segment entry");
-
-  // TODO: Compute the file offset based on the maps and program headers. For
-  // now this only works for non PIE binaries.
-  return object::SectionedAddress{VirtualAddress};
-}
-
-Error RawMemProfReader::fillRecord(const uint64_t Id, const MemInfoBlock &MIB,
-                                   MemProfRecord &Record) {
-  auto &CallStack = StackMap[Id];
-  DILineInfoSpecifier Specifier(
-      DILineInfoSpecifier::FileLineInfoKind::RawValue,
-      DILineInfoSpecifier::FunctionNameKind::LinkageName);
-  for (const uint64_t Address : CallStack) {
-    Expected<DIInliningInfo> DIOr = Symbolizer->symbolizeInlinedCode(
-        getModuleOffset(Address), Specifier, /*UseSymbolTable=*/false);
-
-    if (!DIOr)
-      return DIOr.takeError();
-    DIInliningInfo DI = DIOr.get();
-
-    for (size_t I = 0; I < DI.getNumberOfFrames(); I++) {
-      const auto &Frame = DI.getFrame(I);
-      Record.CallStack.emplace_back(
-          std::to_string(llvm::MD5Hash(trimSuffix(Frame.FunctionName))),
-          Frame.Line - Frame.StartLine, Frame.Column,
-          // Only the first entry is not an inlined location.
-          I != 0);
-    }
-  }
-  Record.Info = MIB;
-  return Error::success();
-}
-
-Error RawMemProfReader::readNextRecord(MemProfRecord &Record) {
-  if (ProfileData.empty())
-    return make_error<InstrProfError>(instrprof_error::empty_raw_profile);
-
-  if (Iter == ProfileData.end())
-    return make_error<InstrProfError>(instrprof_error::eof);
-
-  Record.clear();
-  if (Error E = fillRecord(Iter->first, Iter->second, Record)) {
-    return E;
-  }
-  Iter++;
-  return Error::success();
-}
-
 } // namespace memprof
 } // namespace llvm

diff  --git a/llvm/test/tools/llvm-profdata/Inputs/basic.memprofexe b/llvm/test/tools/llvm-profdata/Inputs/basic.memprofexe
deleted file mode 100755
index 7f89f135c9d5..000000000000
Binary files a/llvm/test/tools/llvm-profdata/Inputs/basic.memprofexe and /dev/null 
diff er

diff  --git a/llvm/test/tools/llvm-profdata/Inputs/basic.memprofraw b/llvm/test/tools/llvm-profdata/Inputs/basic.memprofraw
index af27be1e0a10..42bd6e72140c 100644
Binary files a/llvm/test/tools/llvm-profdata/Inputs/basic.memprofraw and b/llvm/test/tools/llvm-profdata/Inputs/basic.memprofraw 
diff er

diff  --git a/llvm/test/tools/llvm-profdata/Inputs/multi.memprofexe b/llvm/test/tools/llvm-profdata/Inputs/multi.memprofexe
deleted file mode 100755
index cd14838f2e3b..000000000000
Binary files a/llvm/test/tools/llvm-profdata/Inputs/multi.memprofexe and /dev/null 
diff er

diff  --git a/llvm/test/tools/llvm-profdata/Inputs/multi.memprofraw b/llvm/test/tools/llvm-profdata/Inputs/multi.memprofraw
index bf843a9f6ad5..fd8f4129e609 100644
Binary files a/llvm/test/tools/llvm-profdata/Inputs/multi.memprofraw and b/llvm/test/tools/llvm-profdata/Inputs/multi.memprofraw 
diff er

diff  --git a/llvm/test/tools/llvm-profdata/memprof-basic.test b/llvm/test/tools/llvm-profdata/memprof-basic.test
index 23c35c28ae96..8e4adaae5577 100644
--- a/llvm/test/tools/llvm-profdata/memprof-basic.test
+++ b/llvm/test/tools/llvm-profdata/memprof-basic.test
@@ -24,14 +24,12 @@ the shared libraries linked in which could change the number of segments
 recorded.
 
 ```
-clang -fuse-ld=lld -Wl,--no-rosegment -gmlt -fdebug-info-for-profiling \
-      -fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer \
-      -fno-optimize-sibling-calls -m64 -Wl,-build-id source.c -o basic.memprofexe 
+clang -fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -m64 -Wl,-build-id source.c -o rawprofile.out
 
 env MEMPROF_OPTIONS=log_path=stdout ./rawprofile.out > basic.memprofraw
 ```
 
-RUN: llvm-profdata show --memory %p/Inputs/basic.memprofraw --profiled-binary %p/Inputs/basic.memprofexe -o - | FileCheck %s
+RUN: llvm-profdata show --memory %p/Inputs/basic.memprofraw -o - | FileCheck %s
 
 We expect 3 MIB entries, 1 each for the malloc calls in the program and one
 additional entry from a realloc in glibc/libio/vasprintf.c.
@@ -44,107 +42,3 @@ CHECK-NEXT:     TotalSizeBytes: 1016
 CHECK-NEXT:     NumSegments: 9
 CHECK-NEXT:     NumMibInfo: 3
 CHECK-NEXT:     NumStackOffsets: 3
-CHECK-NEXT:   Records:
-CHECK-NEXT:   -
-CHECK-NEXT:     Callstack:
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 73
-CHECK-NEXT:       Column: 3
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 0
-CHECK-NEXT:       Column: 0
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     MemInfoBlock:
-CHECK-NEXT:       AllocCount: 1
-CHECK-NEXT:       TotalAccessCount: 0
-CHECK-NEXT:       MinAccessCount: 0
-CHECK-NEXT:       MaxAccessCount: 0
-CHECK-NEXT:       TotalSize: 53
-CHECK-NEXT:       MinSize: 53
-CHECK-NEXT:       MaxSize: 53
-CHECK-NEXT:       AllocTimestamp: 0
-CHECK-NEXT:       DeallocTimestamp: 987
-CHECK-NEXT:       TotalLifetime: 987
-CHECK-NEXT:       MinLifetime: 987
-CHECK-NEXT:       MaxLifetime: 987
-CHECK-NEXT:       AllocCpuId: 4294967295
-CHECK-NEXT:       DeallocCpuId: 56
-CHECK-NEXT:       NumMigratedCpu: 1
-CHECK-NEXT:       NumLifetimeOverlaps: 0
-CHECK-NEXT:       NumSameAllocCpu: 0
-CHECK-NEXT:       NumSameDeallocCpu: 0
-CHECK-NEXT:   -
-CHECK-NEXT:     Callstack:
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 57
-CHECK-NEXT:       Column: 3
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 1
-CHECK-NEXT:       Column: 21
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 0
-CHECK-NEXT:       Column: 0
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     MemInfoBlock:
-CHECK-NEXT:       AllocCount: 1
-CHECK-NEXT:       TotalAccessCount: 2
-CHECK-NEXT:       MinAccessCount: 2
-CHECK-NEXT:       MaxAccessCount: 2
-CHECK-NEXT:       TotalSize: 10
-CHECK-NEXT:       MinSize: 10
-CHECK-NEXT:       MaxSize: 10
-CHECK-NEXT:       AllocTimestamp: 986
-CHECK-NEXT:       DeallocTimestamp: 986
-CHECK-NEXT:       TotalLifetime: 0
-CHECK-NEXT:       MinLifetime: 0
-CHECK-NEXT:       MaxLifetime: 0
-CHECK-NEXT:       AllocCpuId: 56
-CHECK-NEXT:       DeallocCpuId: 56
-CHECK-NEXT:       NumMigratedCpu: 0
-CHECK-NEXT:       NumLifetimeOverlaps: 0
-CHECK-NEXT:       NumSameAllocCpu: 0
-CHECK-NEXT:       NumSameDeallocCpu: 0
-CHECK-NEXT:   -
-CHECK-NEXT:     Callstack:
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 57
-CHECK-NEXT:       Column: 3
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 5
-CHECK-NEXT:       Column: 15
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     -
-CHECK-NEXT:       Function: {{[0-9]+}}
-CHECK-NEXT:       LineOffset: 0
-CHECK-NEXT:       Column: 0
-CHECK-NEXT:       Inline: 0
-CHECK-NEXT:     MemInfoBlock:
-CHECK-NEXT:       AllocCount: 1
-CHECK-NEXT:       TotalAccessCount: 2
-CHECK-NEXT:       MinAccessCount: 2
-CHECK-NEXT:       MaxAccessCount: 2
-CHECK-NEXT:       TotalSize: 10
-CHECK-NEXT:       MinSize: 10
-CHECK-NEXT:       MaxSize: 10
-CHECK-NEXT:       AllocTimestamp: 987
-CHECK-NEXT:       DeallocTimestamp: 987
-CHECK-NEXT:       TotalLifetime: 0
-CHECK-NEXT:       MinLifetime: 0
-CHECK-NEXT:       MaxLifetime: 0
-CHECK-NEXT:       AllocCpuId: 56
-CHECK-NEXT:       DeallocCpuId: 56
-CHECK-NEXT:       NumMigratedCpu: 0
-CHECK-NEXT:       NumLifetimeOverlaps: 0
-CHECK-NEXT:       NumSameAllocCpu: 0
-CHECK-NEXT:       NumSameDeallocCpu: 0

diff  --git a/llvm/test/tools/llvm-profdata/memprof-multi.test b/llvm/test/tools/llvm-profdata/memprof-multi.test
index 3643b5403903..99c32a9bde5f 100644
--- a/llvm/test/tools/llvm-profdata/memprof-multi.test
+++ b/llvm/test/tools/llvm-profdata/memprof-multi.test
@@ -26,14 +26,12 @@ the shared libraries linked in which could change the number of segments
 recorded.
 
 ```
-clang -fuse-ld=lld -Wl,--no-rosegment -gmlt -fdebug-info-for-profiling \
-      -fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer \
-      -fno-optimize-sibling-calls -m64 -Wl,-build-id source.c -o multi.memprofexe
+clang -fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -m64 -Wl,-build-id source.c -o rawprofile.out
 
 env MEMPROF_OPTIONS=log_path=stdout ./rawprofile.out > multi.memprofraw
 ```
 
-RUN: llvm-profdata show --memory %p/Inputs/multi.memprofraw --profiled-binary %p/Inputs/multi.memprofexe -o - | FileCheck %s
+RUN: llvm-profdata show --memory %p/Inputs/multi.memprofraw -o - | FileCheck %s
 
 We expect 2 MIB entries, 1 each for the malloc calls in the program. Unlike the
 memprof-basic.test we do not see any allocation from glibc.

diff  --git a/llvm/tools/llvm-profdata/llvm-profdata.cpp b/llvm/tools/llvm-profdata/llvm-profdata.cpp
index 71f07f53fe55..9a345b48a418 100644
--- a/llvm/tools/llvm-profdata/llvm-profdata.cpp
+++ b/llvm/tools/llvm-profdata/llvm-profdata.cpp
@@ -19,7 +19,6 @@
 #include "llvm/ProfileData/InstrProfCorrelator.h"
 #include "llvm/ProfileData/InstrProfReader.h"
 #include "llvm/ProfileData/InstrProfWriter.h"
-#include "llvm/ProfileData/MemProf.h"
 #include "llvm/ProfileData/ProfileCommon.h"
 #include "llvm/ProfileData/RawMemProfReader.h"
 #include "llvm/ProfileData/SampleProfReader.h"
@@ -2481,16 +2480,10 @@ static int showSampleProfile(const std::string &Filename, bool ShowCounts,
   return 0;
 }
 
-static int showMemProfProfile(const std::string &Filename,
-                              const std::string &ProfiledBinary,
-                              raw_fd_ostream &OS) {
-  auto ReaderOr =
-      llvm::memprof::RawMemProfReader::create(Filename, ProfiledBinary);
+static int showMemProfProfile(const std::string &Filename, raw_fd_ostream &OS) {
+  auto ReaderOr = llvm::memprof::RawMemProfReader::create(Filename);
   if (Error E = ReaderOr.takeError())
-    // Since the error can be related to the profile or the binary we do not
-    // pass whence. Instead additional context is provided where necessary in
-    // the error message.
-    exitWithError(std::move(E), /*Whence*/ "");
+    exitWithError(std::move(E), Filename);
 
   std::unique_ptr<llvm::memprof::RawMemProfReader> Reader(
       ReaderOr.get().release());
@@ -2595,9 +2588,6 @@ static int show_main(int argc, const char *argv[]) {
   cl::opt<bool> ShowCovered(
       "covered", cl::init(false),
       cl::desc("Show only the functions that have been executed."));
-  cl::opt<std::string> ProfiledBinary(
-      "profiled-binary", cl::init(""),
-      cl::desc("Path to binary from which the profile was collected."));
 
   cl::ParseCommandLineOptions(argc, argv, "LLVM profile data summary\n");
 
@@ -2635,7 +2625,7 @@ static int show_main(int argc, const char *argv[]) {
                              ShowAllFunctions, ShowDetailedSummary,
                              ShowFunction, ShowProfileSymbolList,
                              ShowSectionInfoOnly, ShowHotFuncList, OS);
-  return showMemProfProfile(Filename, ProfiledBinary, OS);
+  return showMemProfProfile(Filename, OS);
 }
 
 int main(int argc, const char *argv[]) {

diff  --git a/llvm/unittests/ProfileData/CMakeLists.txt b/llvm/unittests/ProfileData/CMakeLists.txt
index f9c0dd3044d0..00a0079e675a 100644
--- a/llvm/unittests/ProfileData/CMakeLists.txt
+++ b/llvm/unittests/ProfileData/CMakeLists.txt
@@ -10,7 +10,6 @@ add_llvm_unittest(ProfileDataTests
   InstrProfDataTest.cpp
   InstrProfTest.cpp
   SampleProfTest.cpp
-  MemProfTest.cpp
   )
 
 target_link_libraries(ProfileDataTests PRIVATE LLVMTestingSupport)

diff  --git a/llvm/unittests/ProfileData/MemProfTest.cpp b/llvm/unittests/ProfileData/MemProfTest.cpp
deleted file mode 100644
index c0f4485b15b9..000000000000
--- a/llvm/unittests/ProfileData/MemProfTest.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-#include "llvm/ProfileData/MemProf.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/MapVector.h"
-#include "llvm/DebugInfo/DIContext.h"
-#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/ProfileData/InstrProf.h"
-#include "llvm/ProfileData/MemProfData.inc"
-#include "llvm/ProfileData/RawMemProfReader.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/MD5.h"
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-
-#include <initializer_list>
-
-namespace {
-
-using ::llvm::DIGlobal;
-using ::llvm::DIInliningInfo;
-using ::llvm::DILineInfo;
-using ::llvm::DILineInfoSpecifier;
-using ::llvm::DILocal;
-using ::llvm::memprof::CallStackMap;
-using ::llvm::memprof::MemInfoBlock;
-using ::llvm::memprof::MemProfRecord;
-using ::llvm::memprof::RawMemProfReader;
-using ::llvm::memprof::SegmentEntry;
-using ::llvm::object::SectionedAddress;
-using ::llvm::symbolize::SymbolizableModule;
-using ::testing::Return;
-
-class MockSymbolizer : public SymbolizableModule {
-public:
-  MOCK_METHOD(DIInliningInfo, symbolizeInlinedCode,
-              (SectionedAddress, DILineInfoSpecifier, bool), (const, override));
-  // Most of the methods in the interface are unused. We only mock the
-  // method that we expect to be called from the memprof reader.
-  virtual DILineInfo symbolizeCode(SectionedAddress, DILineInfoSpecifier,
-                                   bool) const override {
-    llvm_unreachable("unused");
-  }
-  virtual DIGlobal symbolizeData(SectionedAddress) const override {
-    llvm_unreachable("unused");
-  }
-  virtual std::vector<DILocal> symbolizeFrame(SectionedAddress) const override {
-    llvm_unreachable("unused");
-  }
-  virtual bool isWin32Module() const override { llvm_unreachable("unused"); }
-  virtual uint64_t getModulePreferredBase() const override {
-    llvm_unreachable("unused");
-  }
-};
-
-struct MockInfo {
-  std::string FunctionName;
-  uint32_t Line;
-  uint32_t StartLine;
-  uint32_t Column;
-};
-DIInliningInfo makeInliningInfo(std::initializer_list<MockInfo> MockFrames) {
-  DIInliningInfo Result;
-  for (const auto &Item : MockFrames) {
-    DILineInfo Frame;
-    Frame.FunctionName = Item.FunctionName;
-    Frame.Line = Item.Line;
-    Frame.StartLine = Item.StartLine;
-    Frame.Column = Item.Column;
-    Result.addFrame(Frame);
-  }
-  return Result;
-}
-
-llvm::SmallVector<SegmentEntry, 4> makeSegments() {
-  llvm::SmallVector<SegmentEntry, 4> Result;
-  // Mimic an entry for a non position independent executable.
-  Result.emplace_back(0x0, 0x40000, 0x0);
-  return Result;
-}
-
-const DILineInfoSpecifier specifier() {
-  return DILineInfoSpecifier(
-      DILineInfoSpecifier::FileLineInfoKind::RawValue,
-      DILineInfoSpecifier::FunctionNameKind::LinkageName);
-}
-
-MATCHER_P4(FrameContains, Function, LineOffset, Column, Inline, "") {
-  const std::string ExpectedHash = std::to_string(llvm::MD5Hash(Function));
-  if (arg.Function != ExpectedHash) {
-    *result_listener << "Hash mismatch";
-    return false;
-  }
-  if (arg.LineOffset == LineOffset && arg.Column == Column &&
-      arg.IsInlineFrame == Inline) {
-    return true;
-  }
-  *result_listener << "LineOffset, Column or Inline mismatch";
-  return false;
-}
-
-TEST(MemProf, FillsValue) {
-  std::unique_ptr<MockSymbolizer> Symbolizer(new MockSymbolizer());
-
-  EXPECT_CALL(*Symbolizer, symbolizeInlinedCode(SectionedAddress{0x2000},
-                                                specifier(), false))
-      .Times(2)
-      .WillRepeatedly(Return(makeInliningInfo({
-          {"foo", 10, 5, 30},
-          {"bar", 201, 150, 20},
-      })));
-
-  EXPECT_CALL(*Symbolizer, symbolizeInlinedCode(SectionedAddress{0x6000},
-                                                specifier(), false))
-      .Times(1)
-      .WillRepeatedly(Return(makeInliningInfo({
-          {"baz", 10, 5, 30},
-          {"qux.llvm.12345", 75, 70, 10},
-      })));
-
-  CallStackMap CSM;
-  CSM[0x1] = {0x2000};
-  CSM[0x2] = {0x6000, 0x2000};
-
-  llvm::MapVector<uint64_t, MemInfoBlock> Prof;
-  Prof[0x1].alloc_count = 1;
-  Prof[0x2].alloc_count = 2;
-
-  auto Seg = makeSegments();
-
-  RawMemProfReader Reader(std::move(Symbolizer), Seg, Prof, CSM);
-
-  std::vector<MemProfRecord> Records;
-  for (const MemProfRecord &R : Reader) {
-    Records.push_back(R);
-  }
-  EXPECT_EQ(Records.size(), 2U);
-
-  EXPECT_EQ(Records[0].Info.alloc_count, 1U);
-  EXPECT_EQ(Records[1].Info.alloc_count, 2U);
-  EXPECT_THAT(Records[0].CallStack[0], FrameContains("foo", 5U, 30U, false));
-  EXPECT_THAT(Records[0].CallStack[1], FrameContains("bar", 51U, 20U, true));
-
-  EXPECT_THAT(Records[1].CallStack[0], FrameContains("baz", 5U, 30U, false));
-  EXPECT_THAT(Records[1].CallStack[1], FrameContains("qux", 5U, 10U, true));
-  EXPECT_THAT(Records[1].CallStack[2], FrameContains("foo", 5U, 30U, false));
-  EXPECT_THAT(Records[1].CallStack[3], FrameContains("bar", 51U, 20U, true));
-}
-
-} // namespace


        


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