diff --git a/include/llvm/Target/MachineInstrInfo.h b/include/llvm/Target/MachineInstrInfo.h
index 2b2cec31cc6..5c694f66797 100644
--- a/include/llvm/Target/MachineInstrInfo.h
+++ b/include/llvm/Target/MachineInstrInfo.h
@@ -94,6 +94,12 @@ public:
     return desc[opCode];
   }
 
+  /// print - Print out the specified machine instruction in the appropriate
+  /// target specific assembly language.  If this method is not overridden, the
+  /// default implementation uses the crummy machine independant printer.
+  ///
+  virtual void print(const MachineInstr *MI, std::ostream &O) const;
+
   const char *getName(MachineOpCode opCode) const {
     return get(opCode).Name;
   }
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 2b2cec31cc6..5c694f66797 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -94,6 +94,12 @@ public:
     return desc[opCode];
   }
 
+  /// print - Print out the specified machine instruction in the appropriate
+  /// target specific assembly language.  If this method is not overridden, the
+  /// default implementation uses the crummy machine independant printer.
+  ///
+  virtual void print(const MachineInstr *MI, std::ostream &O) const;
+
   const char *getName(MachineOpCode opCode) const {
     return get(opCode).Name;
   }