Add a dump() implementation for sub-instruction MCOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148493 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCInst.cpp b/lib/MC/MCInst.cpp
index 4cb628b..7bbfd2e 100644
--- a/lib/MC/MCInst.cpp
+++ b/lib/MC/MCInst.cpp
@@ -25,6 +25,8 @@
     OS << "Imm:" << getImm();
   else if (isExpr()) {
     OS << "Expr:(" << *getExpr() << ")";
+  } else if (isInst()) {
+    OS << "Inst:(" << *getInst() << ")";
   } else
     OS << "UNDEFINED";
   OS << ">";