unique_ptrify IRObjectFile::createIRObjectFile

I took a guess at the changes to the gold plugin, because that doesn't
seem to build by default for me. Not sure what dependencies I might be
missing for that.

llvm-svn: 217056

llvm/include/llvm/Object/IRObjectFile.h

@@ -49,8 +49,8 @@ public:
     return v->isIR();
   }
 
-  static ErrorOr<IRObjectFile *> createIRObjectFile(MemoryBufferRef Object,
-                                                    LLVMContext &Context);
+  static ErrorOr<std::unique_ptr<IRObjectFile>>
+  createIRObjectFile(MemoryBufferRef Object, LLVMContext &Context);
 };
 }
 }

llvm/lib/Object/IRObjectFile.cpp

@@ -264,7 +264,7 @@ basic_symbol_iterator IRObjectFile::symbol_end_impl() const {
   return basic_symbol_iterator(BasicSymbolRef(Ret, this));
 }
 
-ErrorOr<IRObjectFile *>
+ErrorOr<std::unique_ptr<IRObjectFile>>
 llvm::object::IRObjectFile::createIRObjectFile(MemoryBufferRef Object,
                                                LLVMContext &Context) {
 
@@ -275,5 +275,5 @@ llvm::object::IRObjectFile::createIRObjectFile(MemoryBufferRef Object,
     return EC;
 
   std::unique_ptr<Module> M(MOrErr.get());
-  return new IRObjectFile(Object, std::move(M));
+  return llvm::make_unique<IRObjectFile>(Object, std::move(M));
 }

llvm/lib/Object/SymbolicFile.cpp

@@ -33,8 +33,7 @@ ErrorOr<std::unique_ptr<SymbolicFile>> SymbolicFile::createSymbolicFile(
   switch (Type) {
   case sys::fs::file_magic::bitcode:
     if (Context)
-      return ErrorOr<std::unique_ptr<SymbolicFile>>(
-          IRObjectFile::createIRObjectFile(Object, *Context));
+      return IRObjectFile::createIRObjectFile(Object, *Context);
   // Fallthrough
   case sys::fs::file_magic::unknown:
   case sys::fs::file_magic::archive:

llvm/tools/gold/gold-plugin.cpp

@@ -296,7 +296,7 @@ static ld_plugin_status claim_file_hook(const ld_plugin_input_file *file,
     BufferRef = Buffer->getMemBufferRef();
   }
 
-  ErrorOr<object::IRObjectFile *> ObjOrErr =
+  ErrorOr<std::unique_ptr<object::IRObjectFile>> ObjOrErr =
       object::IRObjectFile::createIRObjectFile(BufferRef, Context);
   std::error_code EC = ObjOrErr.getError();
   if (EC == BitcodeError::InvalidBitcodeSignature)
@@ -309,7 +309,7 @@ static ld_plugin_status claim_file_hook(const ld_plugin_input_file *file,
             EC.message().c_str());
     return LDPS_ERR;
   }
-  std::unique_ptr<object::IRObjectFile> Obj(ObjOrErr.get());
+  std::unique_ptr<object::IRObjectFile> Obj = std::move(*ObjOrErr);
 
   Modules.resize(Modules.size() + 1);
   claimed_file &cf = Modules.back();