Temporarily Revert "Nuke the old JIT." as it's not quite ready to
be deleted. This will be reapplied as soon as possible and before
the 3.6 branch date at any rate.

Approved by Jim Grosbach, Lang Hames, Rafael Espindola.

This reverts commits r215111, 215115, 215116, 215117, 215136.

llvm-svn: 215154
diff --git a/llvm/lib/Target/Mips/MipsTargetMachine.h b/llvm/lib/Target/Mips/MipsTargetMachine.h
index e82efe2..eefd96a 100644
--- a/llvm/lib/Target/Mips/MipsTargetMachine.h
+++ b/llvm/lib/Target/Mips/MipsTargetMachine.h
@@ -44,12 +44,16 @@
       return Subtarget;
     return &DefaultSubtarget;
   }
+  MipsSubtarget *getSubtargetImpl() {
+    return static_cast<MipsSubtarget *>(TargetMachine::getSubtargetImpl());
+  }
 
   /// \brief Reset the subtarget for the Mips target.
   void resetSubtarget(MachineFunction *MF);
 
   // Pass Pipeline Configuration
   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
+  bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE) override;
 };
 
 /// MipsebTargetMachine - Mips32/64 big endian target machine.