Back out Profile library and dependent commits

Chandler voiced some concern with checking this in without some
discussion first. Reverting for now.

This reverts r203703, r203704, r203708, and 203709.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203723 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 0 insertions, 195 deletions

diff --git a/include/llvm/Profile/ProfileData.h b/include/llvm/Profile/ProfileData.h
deleted file mode 100644
index 72cc840e80..0000000000
--- a/include/llvm/Profile/ProfileData.h
+++ /dev/null
@@ -1,56 +0,0 @@
-//=-- ProfileData.h - Instrumented profiling format support -------*- C++ -*-=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for instrumentation based PGO and coverage.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_PROFILE_PROFILEDATA_H__
-#define LLVM_PROFILE_PROFILEDATA_H__
-
-#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/system_error.h"
-
-#include <vector>
-
-namespace llvm {
-
-const char PROFILEDATA_MAGIC[4] = {'L', 'P', 'R', 'F'};
-const uint32_t PROFILEDATA_VERSION = 1;
-const uint32_t PROFILEDATA_HEADER_SIZE = 24;
-
-const error_category &profiledata_category();
-
-struct profiledata_error {
-  enum ErrorType {
-    success = 0,
-    bad_magic,
-    unsupported_version,
-    too_large,
-    truncated,
-    malformed,
-    unknown_function
-  };
-  ErrorType V;
-
-  profiledata_error(ErrorType V) : V(V) {}
-  operator ErrorType() const { return V; }
-};
-
-inline error_code make_error_code(profiledata_error E) {
-  return error_code(static_cast<int>(E), profiledata_category());
-}
-
-template <> struct is_error_code_enum<profiledata_error> : std::true_type {};
-template <> struct is_error_code_enum<profiledata_error::ErrorType>
-  : std::true_type {};
-
-} // end namespace llvm
-
-#endif // LLVM_PROFILE_PROFILEDATA_H__
diff --git a/include/llvm/Profile/ProfileDataReader.h b/include/llvm/Profile/ProfileDataReader.h
deleted file mode 100644
index 0f771f23fd..0000000000
--- a/include/llvm/Profile/ProfileDataReader.h
+++ /dev/null
@@ -1,91 +0,0 @@
-//=-- ProfileDataReader.h - Instrumented profiling reader ---------*- C++ -*-=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for reading profiling data for instrumentation
-// based PGO and coverage.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_PROFILE_PROFILEDATA_READER_H__
-#define LLVM_PROFILE_PROFILEDATA_READER_H__
-
-#include "llvm/ADT/StringMap.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/ErrorOr.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/raw_ostream.h"
-
-#include <vector>
-
-namespace llvm {
-
-class ProfileDataCursor;
-
-/// Reader for the profile data that is used for instrumentation based PGO.
-class ProfileDataReader {
-private:
-  /// The profile data file contents.
-  std::unique_ptr<MemoryBuffer> DataBuffer;
-  /// Offsets into DataBuffer for each function's counters.
-  StringMap<uint32_t> DataOffsets;
-  /// The maximal execution count among all functions.
-  uint64_t MaxFunctionCount;
-
-  ProfileDataReader(const ProfileDataReader &) LLVM_DELETED_FUNCTION;
-  ProfileDataReader &operator=(const ProfileDataReader &) LLVM_DELETED_FUNCTION;
-protected:
-  ProfileDataReader(std::unique_ptr<MemoryBuffer> &DataBuffer)
-      : DataBuffer(DataBuffer.release()) {}
-
-  /// Populate internal state using the profile data's index
-  error_code readIndex();
-public:
-
-  class name_iterator {
-    typedef StringMap<unsigned>::const_iterator IterTy;
-    IterTy Ix;
-  public:
-    explicit name_iterator(const IterTy &Ix) : Ix(Ix) {}
-
-    StringRef operator*() const { return Ix->getKey(); }
-
-    bool operator==(const name_iterator &RHS) const { return Ix == RHS.Ix; }
-    bool operator!=(const name_iterator &RHS) const { return Ix != RHS.Ix; }
-
-    inline name_iterator& operator++() { ++Ix; return *this; }
-  };
-
-  /// Iterators over the names of indexed items
-  name_iterator begin() const {
-    return name_iterator(DataOffsets.begin());
-  }
-  name_iterator end() const {
-    return name_iterator(DataOffsets.end());
-  }
-
-private:
-  error_code findFunctionCounts(StringRef FuncName, uint64_t &FunctionHash,
-                                ProfileDataCursor &Cursor);
-public:
-  /// The number of profiled functions
-  size_t numProfiledFunctions() { return DataOffsets.size(); }
-  /// Fill Counts with the profile data for the given function name.
-  error_code getFunctionCounts(StringRef FuncName, uint64_t &FunctionHash,
-                               std::vector<uint64_t> &Counts);
-  /// Return the maximum of all known function counts.
-  uint64_t getMaximumFunctionCount() { return MaxFunctionCount; }
-
-  static error_code create(std::string Path,
-                           std::unique_ptr<ProfileDataReader> &Result);
-};
-
-} // end namespace llvm
-
-#endif // LLVM_PROFILE_PROFILEDATA_READER_H__
diff --git a/include/llvm/Profile/ProfileDataWriter.h b/include/llvm/Profile/ProfileDataWriter.h
deleted file mode 100644
index 3498d2eca3..0000000000
--- a/include/llvm/Profile/ProfileDataWriter.h
+++ /dev/null
@@ -1,47 +0,0 @@
-//=-- ProfileDataWriter.h - Instrumented profiling writer ---------*- C++ -*-=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for writing profiling data for instrumentation
-// based PGO and coverage.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_PROFILE_PROFILEDATA_WRITER_H__
-#define LLVM_PROFILE_PROFILEDATA_WRITER_H__
-
-#include "llvm/ADT/StringMap.h"
-#include "llvm/Profile/ProfileData.h"
-#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/raw_ostream.h"
-
-#include <vector>
-
-namespace llvm {
-
-/// Writer for instrumentation based profile data
-class ProfileDataWriter {
-  StringMap<size_t> FunctionOffsets;
-  std::vector<uint64_t> FunctionData;
-  uint32_t DataStart;
-  uint64_t MaxFunctionCount;
-
-  void write32(raw_ostream &OS, uint32_t Value);
-  void write64(raw_ostream &OS, uint64_t Value);
-public:
-  ProfileDataWriter()
-      : DataStart(PROFILEDATA_HEADER_SIZE), MaxFunctionCount(0) {}
-
-  void addFunctionCounts(StringRef FuncName, uint64_t FunctionHash,
-                         uint64_t NumCounters, const uint64_t *Counters);
-  void write(raw_ostream &OS);
-};
-
-} // end namespace llvm
-
-#endif // LLVM_PROFILE_PROFILEDATA_WRITER_H__
diff --git a/include/llvm/Support/LineIterator.h b/include/llvm/Support/LineIterator.h
index 92a9cc5c57..861c19881f 100644
--- a/include/llvm/Support/LineIterator.h
+++ b/include/llvm/Support/LineIterator.h
@@ -56,7 +56,6 @@ public:
 
   /// \brief Get the current line as a \c StringRef.
   StringRef operator*() const { return CurrentLine; }
-  const StringRef *operator->() const { return &CurrentLine; }
 
   friend bool operator==(const line_iterator &LHS, const line_iterator &RHS) {
     return LHS.Buffer == RHS.Buffer &&