diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 4d8a10d..bbac90e 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -25,6 +25,7 @@
 #include "llvm/CodeGen/FaultMaps.h"
 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
 #include "llvm/DebugInfo/Symbolize/Symbolize.h"
+#include "llvm/Demangle/Demangle.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCDisassembler/MCDisassembler.h"
@@ -90,6 +91,13 @@
 DisassembleAlld("D", cl::desc("Alias for --disassemble-all"),
              cl::aliasopt(DisassembleAll));
 
+cl::opt<std::string> llvm::Demangle("demangle",
+                                    cl::desc("Demangle symbols names"),
+                                    cl::ValueOptional, cl::init("none"));
+
+static cl::alias DemangleShort("C", cl::desc("Alias for --demangle"),
+                               cl::aliasopt(Demangle));
+
 static cl::list<std::string>
 DisassembleFunctions("df",
                      cl::CommaSeparated,
@@ -330,6 +338,11 @@
   exit(1);
 }
 
+void llvm::warn(StringRef Message) {
+  errs() << ToolName << ": warning: " << Message << ".\n";
+  errs().flush();
+}
+
 LLVM_ATTRIBUTE_NORETURN void llvm::report_error(StringRef File,
                                                 Twine Message) {
   errs() << ToolName << ": '" << File << "': " << Message << ".\n";
@@ -1511,7 +1524,25 @@
         }
       }
 
-      outs() << '\n' << std::get<1>(Symbols[si]) << ":\n";
+      auto PrintSymbol = [](StringRef Name) {
+        outs() << '\n' << Name << ":\n";
+      };
+      StringRef SymbolName = std::get<1>(Symbols[si]);
+      if (Demangle.getValue() == "" || Demangle.getValue() == "itanium") {
+        char *DemangledSymbol = nullptr;
+        size_t Size = 0;
+        int Status;
+        DemangledSymbol =
+            itaniumDemangle(SymbolName.data(), DemangledSymbol, &Size, &Status);
+        if (Status == 0)
+          PrintSymbol(StringRef(DemangledSymbol));
+        else
+          PrintSymbol(SymbolName);
+
+        if (Size != 0)
+          free(DemangledSymbol);
+      } else
+        PrintSymbol(SymbolName);
 
       // Don't print raw contents of a virtual section. A virtual section
       // doesn't have any contents in the file.
@@ -2359,6 +2390,11 @@
 
   if (DisassembleAll || PrintSource || PrintLines)
     Disassemble = true;
+
+  if (Demangle.getValue() != "none" && Demangle.getValue() != "" &&
+      Demangle.getValue() != "itanium")
+    warn("Unsupported demangling style");
+
   if (!Disassemble
       && !Relocations
       && !DynamicRelocations