Remove raw_svector_ostream::resync and users. It's no-op after r244870.

llvm-svn: 244888

clang/lib/CodeGen/TargetInfo.cpp

@@ -6780,9 +6780,7 @@ static bool extractFieldType(SmallVectorImpl<FieldEncoding> &FE,
     if (Field->isBitField()) {
       Enc += "b(";
       llvm::raw_svector_ostream OS(Enc);
-      OS.resync();
       OS << Field->getBitWidthValue(CGM.getContext());
-      OS.flush();
       Enc += ':';
     }
     if (!appendType(Enc, Field->getType(), CGM, TSC))

llvm/include/llvm/Support/raw_ostream.h

@@ -509,9 +509,6 @@ public:
   }
   ~raw_svector_ostream() override {}
 
-  // FIXME: resync is no-op. Remove it and its users.
-  void resync() {}
-
   /// Return a StringRef for the vector contents.
   StringRef str() { return StringRef(OS.data(), OS.size()); }
 };

llvm/lib/IR/Type.cpp

@@ -464,7 +464,6 @@ void StructType::setName(StringRef Name) {
    
     do {
       TempStr.resize(NameSize + 1);
-      TmpStream.resync();
       TmpStream << getContext().pImpl->NamedStructTypesUniqueID++;
 
       IterBool = getContext().pImpl->NamedStructTypes.insert(

llvm/lib/MC/MCAsmStreamer.cpp

@@ -259,9 +259,6 @@ void MCAsmStreamer::AddComment(const Twine &T) {
   T.toVector(CommentToEmit);
   // Each comment goes on its own line.
   CommentToEmit.push_back('\n');
-
-  // Tell the comment stream that the vector changed underneath it.
-  CommentStream.resync();
 }
 
 void MCAsmStreamer::EmitCommentsAndEOL() {
@@ -285,8 +282,6 @@ void MCAsmStreamer::EmitCommentsAndEOL() {
   } while (!Comments.empty());
 
   CommentToEmit.clear();
-  // Tell the comment stream that the vector changed underneath it.
-  CommentStream.resync();
 }
 
 static inline int64_t truncateToSize(int64_t Value, unsigned Bytes) {

llvm/lib/MC/MCDisassembler/Disassembler.cpp

@@ -147,7 +147,6 @@ static void emitComments(LLVMDisasmContext *DC,
 
   // Tell the comment stream that the vector changed underneath it.
   DC->CommentsToEmit.clear();
-  DC->CommentStream.resync();
 }
 
 /// \brief Gets latency information for \p Inst from the itinerary

llvm/tools/dsymutil/DwarfLinker.cpp

@@ -1053,7 +1053,6 @@ void DwarfStreamer::emitLineTableForUnit(MCDwarfLineTableParams Params,
       MS->EmitBytes(EncodingOS.str());
       LineSectionSize += EncodingBuffer.size();
       EncodingBuffer.resize(0);
-      EncodingOS.resync();
       Address = Row.Address;
       LastLine = Row.Line;
       RowsSinceLastSequence++;
@@ -1072,7 +1071,6 @@ void DwarfStreamer::emitLineTableForUnit(MCDwarfLineTableParams Params,
       MS->EmitBytes(EncodingOS.str());
       LineSectionSize += EncodingBuffer.size();
       EncodingBuffer.resize(0);
-      EncodingOS.resync();
       Address = -1ULL;
       LastLine = FileNum = IsStatement = 1;
       RowsSinceLastSequence = Column = Isa = 0;
@@ -1084,7 +1082,6 @@ void DwarfStreamer::emitLineTableForUnit(MCDwarfLineTableParams Params,
     MS->EmitBytes(EncodingOS.str());
     LineSectionSize += EncodingBuffer.size();
     EncodingBuffer.resize(0);
-    EncodingOS.resync();
   }
 
   MS->EmitLabel(LineEndSym);

llvm/tools/llvm-objdump/MachODump.cpp

@@ -5888,7 +5888,6 @@ static void emitComments(raw_svector_ostream &CommentStream,
 
   // Tell the comment stream that the vector changed underneath it.
   CommentsToEmit.clear();
-  CommentStream.resync();
 }
 
 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,

llvm/utils/TableGen/FixedLenDecoderEmitter.cpp

@@ -1290,14 +1290,12 @@ void FilterChooser::emitSoftFailTableEntry(DecoderTableInfo &TableInfo,
   raw_svector_ostream S(MaskBytes);
   if (NeedPositiveMask) {
     encodeULEB128(PositiveMask.getZExtValue(), S);
-    S.flush();
     for (unsigned i = 0, e = MaskBytes.size(); i != e; ++i)
       TableInfo.Table.push_back(MaskBytes[i]);
   } else
     TableInfo.Table.push_back(0);
   if (NeedNegativeMask) {
     MaskBytes.clear();
-    S.resync();
     encodeULEB128(NegativeMask.getZExtValue(), S);
     S.flush();
     for (unsigned i = 0, e = MaskBytes.size(); i != e; ++i)