Object: Remove module accessors from IRObjectFile, and hide its constructor.

[pcc]

Summary

Depends on D27078

[mehdi_amini]

LGTM!

llvm/trunk/include/llvm/Object/IRObjectFile.h

 class Triple;
 
 namespace object {
 class ObjectFile;
 
 class IRObjectFile : public SymbolicFile {
   std::unique_ptr<Module> M;
   ModuleSymbolTable SymTab;
+  IRObjectFile(MemoryBufferRef Object, std::unique_ptr<Module> M);
 
 public:
-  IRObjectFile(MemoryBufferRef Object, std::unique_ptr<Module> M);
   ~IRObjectFile() override;
   void moveSymbolNext(DataRefImpl &Symb) const override;
   std::error_code printSymbolName(raw_ostream &OS,
                                   DataRefImpl Symb) const override;
   uint32_t getSymbolFlags(DataRefImpl Symb) const override;
-  GlobalValue *getSymbolGV(DataRefImpl Symb);
-  const GlobalValue *getSymbolGV(DataRefImpl Symb) const {
-    return const_cast<IRObjectFile *>(this)->getSymbolGV(Symb);
-  }
   basic_symbol_iterator symbol_begin() const override;
   basic_symbol_iterator symbol_end() const override;
 
-  const Module &getModule() const {
-    return const_cast<IRObjectFile*>(this)->getModule();
-  }
-  Module &getModule() {
-    return *M;
-  }
-  std::unique_ptr<Module> takeModule();
-
   StringRef getTargetTriple() const;
 
   static inline bool classof(const Binary *v) {
     return v->isIR();
   }
 
   /// \brief Finds and returns bitcode embedded in the given object file, or an
   /// error code if not found.

llvm/trunk/lib/Object/IRObjectFile.cpp

std::error_code IRObjectFile::printSymbolName(raw_ostream &OS,
   SymTab.printSymbolName(OS, getSym(Symb));
   return std::error_code();
 }
 
 uint32_t IRObjectFile::getSymbolFlags(DataRefImpl Symb) const {
   return SymTab.getSymbolFlags(getSym(Symb));
 }
 
-GlobalValue *IRObjectFile::getSymbolGV(DataRefImpl Symb) {
-  return getSym(Symb).dyn_cast<GlobalValue *>();
-}
-
-std::unique_ptr<Module> IRObjectFile::takeModule() { return std::move(M); }
-
 basic_symbol_iterator IRObjectFile::symbol_begin() const {
   DataRefImpl Ret;
   Ret.p = reinterpret_cast<uintptr_t>(SymTab.symbols().data());
   return basic_symbol_iterator(BasicSymbolRef(Ret, this));
 }
 
 basic_symbol_iterator IRObjectFile::symbol_end() const {
   DataRefImpl Ret;
llvm::object::IRObjectFile::create(MemoryBufferRef Object,
 
   Expected<std::unique_ptr<Module>> MOrErr =
       getLazyBitcodeModule(*BCOrErr, Context,
                            /*ShouldLazyLoadMetadata*/ true);
   if (!MOrErr)
     return MOrErr.takeError();
 
   std::unique_ptr<Module> &M = MOrErr.get();
-  return llvm::make_unique<IRObjectFile>(BCOrErr.get(), std::move(M));
+  return std::unique_ptr<IRObjectFile>(
+      new IRObjectFile(*BCOrErr, std::move(M)));
 }