diff --git a/include/llvm/MC/MCInst.h b/include/llvm/MC/MCInst.h
index 5d34ccec726..d3847647749 100644
--- a/include/llvm/MC/MCInst.h
+++ b/include/llvm/MC/MCInst.h
@@ -145,6 +145,14 @@ public:
   }
 
   void clear() { Operands.clear(); }
+  size_t size() { return Operands.size(); }
+
+  typedef SmallVector<MCOperand, 8>::iterator iterator;
+  iterator begin() { return Operands.begin(); }
+  iterator end()   { return Operands.end();   }
+  iterator insert(iterator I, const MCOperand &Op) {
+    return Operands.insert(I, Op);
+  }
 
   void print(raw_ostream &OS, const MCAsmInfo *MAI) const;
   void dump() const;