diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 5767682..989f19c 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -919,6 +919,8 @@
     default:
       llvm_unreachable("Unsupported operator!");
     }
+  } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) {
+    GetBlockAddressSymbol(BA)->print(O, MAI);
   } else {
     llvm_unreachable("Unknown constant value!");
   }