diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 1f85e92..c27ecff 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -13,6 +13,7 @@
 
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/Constants.h"
+#include "llvm/Function.h"
 #include "llvm/InlineAsm.h"
 #include "llvm/Value.h"
 #include "llvm/Assembly/Writer.h"
@@ -180,6 +181,8 @@
   case MachineOperand::MO_ExternalSymbol:
     return !strcmp(getSymbolName(), Other.getSymbolName()) &&
            getOffset() == Other.getOffset();
+  case MachineOperand::MO_BlockAddress:
+    return getBlockAddress() == Other.getBlockAddress();
   }
 }
 
@@ -273,6 +276,13 @@
     if (getOffset()) OS << "+" << getOffset();
     OS << '>';
     break;
+  case MachineOperand::MO_BlockAddress:
+    OS << "<blockaddress: ";
+    WriteAsOperand(OS, getBlockAddress()->getFunction(), /*PrintType=*/false);
+    OS << ", ";
+    WriteAsOperand(OS, getBlockAddress()->getBasicBlock(), /*PrintType=*/false);
+    OS << '>';
+    break;
   default:
     llvm_unreachable("Unrecognized operand type");
   }