diff --git a/include/llvm/MC/MCInstPrinter.h b/include/llvm/MC/MCInstPrinter.h
index 1823e7b2d34..3c4f28be7ca 100644
--- a/include/llvm/MC/MCInstPrinter.h
+++ b/include/llvm/MC/MCInstPrinter.h
@@ -52,7 +52,7 @@ public:
 
   /// getOpcodeName - Return the name of the specified opcode enum (e.g.
   /// "MOV32ri") or empty if we can't resolve it.
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
+  StringRef getOpcodeName(unsigned Opcode) const;
 
   /// printRegName - Print the assembler register name.
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
diff --git a/lib/MC/MCInstPrinter.cpp b/lib/MC/MCInstPrinter.cpp
index 3060ad6003d..847bcc0a160 100644
--- a/lib/MC/MCInstPrinter.cpp
+++ b/lib/MC/MCInstPrinter.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -20,7 +21,7 @@ MCInstPrinter::~MCInstPrinter() {
 /// getOpcodeName - Return the name of the specified opcode enum (e.g.
 /// "MOV32ri") or empty if we can't resolve it.
 StringRef MCInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return "";
+  return MII.getName(Opcode);
 }
 
 void MCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index b654a75a2eb..b3eeafe0831 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -44,10 +44,6 @@ ARMInstPrinter::ARMInstPrinter(const MCAsmInfo &MAI,
   setAvailableFeatures(STI.getFeatureBits());
 }
 
-StringRef ARMInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return MII.getName(Opcode);
-}
-
 void ARMInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
   OS << getRegisterName(RegNo);
 }
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
index d103ca4232c..8acb7eef019 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
@@ -27,7 +27,6 @@ public:
                  const MCRegisterInfo &MRI, const MCSubtargetInfo &STI);
 
   virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
 
   // Autogenerated by tblgen.
diff --git a/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp b/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
index 67908227426..6886b174524 100644
--- a/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
+++ b/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
@@ -62,10 +62,6 @@ const char* Mips::MipsFCCToString(Mips::CondCode CC) {
   llvm_unreachable("Impossible condition code!");
 }
 
-StringRef MipsInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return MII.getName(Opcode);
-}
-
 void MipsInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
   OS << '$' << StringRef(getRegisterName(RegNo)).lower();
 }
diff --git a/lib/Target/Mips/InstPrinter/MipsInstPrinter.h b/lib/Target/Mips/InstPrinter/MipsInstPrinter.h
index 8e614740eb3..76b839b2127 100644
--- a/lib/Target/Mips/InstPrinter/MipsInstPrinter.h
+++ b/lib/Target/Mips/InstPrinter/MipsInstPrinter.h
@@ -85,7 +85,6 @@ public:
   void printInstruction(const MCInst *MI, raw_ostream &O);
   static const char *getRegisterName(unsigned RegNo);
 
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
   virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
 
diff --git a/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp b/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp
index 3aa3b26bf88..1830213267b 100644
--- a/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp
+++ b/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp
@@ -36,10 +36,6 @@ PTXInstPrinter::PTXInstPrinter(const MCAsmInfo &MAI,
   setAvailableFeatures(STI.getFeatureBits());
 }
 
-StringRef PTXInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return MII.getName(Opcode);
-}
-
 void PTXInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
   // Decode the register number into type and offset
   unsigned RegSpace  = RegNo & 0x7;
diff --git a/lib/Target/PTX/InstPrinter/PTXInstPrinter.h b/lib/Target/PTX/InstPrinter/PTXInstPrinter.h
index b01293a9953..ea4d50477d7 100644
--- a/lib/Target/PTX/InstPrinter/PTXInstPrinter.h
+++ b/lib/Target/PTX/InstPrinter/PTXInstPrinter.h
@@ -27,7 +27,6 @@ public:
                  const MCRegisterInfo &MRI, const MCSubtargetInfo &STI);
 
   virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
 
   // Autogenerated by tblgen.
diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
index 6e85ab926cd..61d23ce06aa 100644
--- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -23,10 +23,6 @@ using namespace llvm;
 
 #include "PPCGenAsmWriter.inc"
 
-StringRef PPCInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return MII.getName(Opcode);
-}
-
 void PPCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
   OS << getRegisterName(RegNo);
 }
diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
index d4d3929777b..73fd5342a16 100644
--- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
+++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
@@ -34,7 +34,6 @@ public:
   
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
   virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
   
   // Autogenerated by tblgen.
   void printInstruction(const MCInst *MI, raw_ostream &O);
diff --git a/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp b/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp
index 8bf9058dd5d..5118e4cad4e 100644
--- a/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp
+++ b/lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp
@@ -50,10 +50,6 @@ void X86ATTInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
     EmitAnyX86InstComments(MI, *CommentStream, getRegisterName);
 }
 
-StringRef X86ATTInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return MII.getName(Opcode);
-}
-
 void X86ATTInstPrinter::printSSECC(const MCInst *MI, unsigned Op,
                                    raw_ostream &O) {
   switch (MI->getOperand(Op).getImm()) {
diff --git a/lib/Target/X86/InstPrinter/X86ATTInstPrinter.h b/lib/Target/X86/InstPrinter/X86ATTInstPrinter.h
index 568b7940a76..2e00bff1738 100644
--- a/lib/Target/X86/InstPrinter/X86ATTInstPrinter.h
+++ b/lib/Target/X86/InstPrinter/X86ATTInstPrinter.h
@@ -28,7 +28,6 @@ public:
 
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
   virtual void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot);
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
 
   // Autogenerated by tblgen, returns true if we successfully printed an
   // alias.
diff --git a/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp b/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp
index e37a477b155..4ea662cbe0c 100644
--- a/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp
+++ b/lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp
@@ -41,9 +41,6 @@ void X86IntelInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
   if (CommentStream)
     EmitAnyX86InstComments(MI, *CommentStream, getRegisterName);
 }
-StringRef X86IntelInstPrinter::getOpcodeName(unsigned Opcode) const {
-  return MII.getName(Opcode);
-}
 
 void X86IntelInstPrinter::printSSECC(const MCInst *MI, unsigned Op,
                                      raw_ostream &O) {
diff --git a/lib/Target/X86/InstPrinter/X86IntelInstPrinter.h b/lib/Target/X86/InstPrinter/X86IntelInstPrinter.h
index c70b141b728..4f5938daf4c 100644
--- a/lib/Target/X86/InstPrinter/X86IntelInstPrinter.h
+++ b/lib/Target/X86/InstPrinter/X86IntelInstPrinter.h
@@ -29,7 +29,6 @@ public:
 
   virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
   virtual void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot);
-  virtual StringRef getOpcodeName(unsigned Opcode) const;
   
   // Autogenerated by tblgen.
   void printInstruction(const MCInst *MI, raw_ostream &O);