[ProfileData] Remove unused class SoftInstrProfErrors

[kazu]

Summary

The last use was removed by:

commit 98cce00371d271c9da8de806e4cc4c886a85d56c
Author: David Blaikie <[e-mail]>
Date:   Mon Jul 10 03:04:59 2017 +0000

[dblaikie]

Linking to the original you mentioned: rG98cce00371d271c9da8de806e4cc4c886a85d56c / D35149

Thanks for the cleanup!

llvm/include/llvm/ProfileData/InstrProf.h

public:
 
   static char ID;
 
 private:
   instrprof_error Err;
   std::string Msg;
 };
 
-class SoftInstrProfErrors {
-  /// Count the number of soft instrprof_errors encountered and keep track of
-  /// the first such error for reporting purposes.
-
-  /// The first soft error encountered.
-  instrprof_error FirstError = instrprof_error::success;
-
-  /// The number of hash mismatches.
-  unsigned NumHashMismatches = 0;
-
-  /// The number of count mismatches.
-  unsigned NumCountMismatches = 0;
-
-  /// The number of counter overflows.
-  unsigned NumCounterOverflows = 0;
-
-  /// The number of value site count mismatches.
-  unsigned NumValueSiteCountMismatches = 0;
-
-public:
-  SoftInstrProfErrors() = default;
-
-  ~SoftInstrProfErrors() {
-    assert(FirstError == instrprof_error::success &&
-           "Unchecked soft error encountered");
-  }
-
-  /// Track a soft error (\p IE) and increment its associated counter.
-  void addError(instrprof_error IE);
-
-  /// Get the number of hash mismatches.
-  unsigned getNumHashMismatches() const { return NumHashMismatches; }
-
-  /// Get the number of count mismatches.
-  unsigned getNumCountMismatches() const { return NumCountMismatches; }
-
-  /// Get the number of counter overflows.
-  unsigned getNumCounterOverflows() const { return NumCounterOverflows; }
-
-  /// Get the number of value site count mismatches.
-  unsigned getNumValueSiteCountMismatches() const {
-    return NumValueSiteCountMismatches;
-  }
-
-  /// Return the first encountered error and reset FirstError to a success
-  /// value.
-  Error takeError() {
-    if (FirstError == instrprof_error::success)
-      return Error::success();
-    auto E = make_error<InstrProfError>(FirstError);
-    FirstError = instrprof_error::success;
-    return E;
-  }
-};
-
 namespace object {
 
 class SectionRef;
 
 } // end namespace object
 
 namespace IndexedInstrProf {
 

llvm/lib/ProfileData/InstrProf.cpp

else
     SectName += InstrProfSectNameCommon[IPSK];
 
   if (OF == Triple::MachO && IPSK == IPSK_data && AddSegmentInfo)
     SectName += ",regular,live_support";
 
   return SectName;
 }
 
-void SoftInstrProfErrors::addError(instrprof_error IE) {
-  if (IE == instrprof_error::success)
-    return;
-
-  if (FirstError == instrprof_error::success)
-    FirstError = IE;
-
-  switch (IE) {
-  case instrprof_error::hash_mismatch:
-    ++NumHashMismatches;
-    break;
-  case instrprof_error::count_mismatch:
-    ++NumCountMismatches;
-    break;
-  case instrprof_error::counter_overflow:
-    ++NumCounterOverflows;
-    break;
-  case instrprof_error::value_site_count_mismatch:
-    ++NumValueSiteCountMismatches;
-    break;
-  default:
-    llvm_unreachable("Not a soft error");
-  }
-}
-
 std::string InstrProfError::message() const {
   return getInstrProfErrString(Err, Msg);
 }
 
 char InstrProfError::ID = 0;
 
 std::string getPGOFuncName(StringRef RawFuncName,
                            GlobalValue::LinkageTypes Linkage,