Index: lib/CodeGen/MachineInstr.cpp
===================================================================
--- lib/CodeGen/MachineInstr.cpp
+++ lib/CodeGen/MachineInstr.cpp
@@ -374,6 +374,12 @@
   case MachineOperand::MO_FPImmediate:
     if (getFPImm()->getType()->isFloatTy())
       OS << getFPImm()->getValueAPF().convertToFloat();
+    else if (getFPImm()->getType()->isHalfTy()) {
+      APFloat APF = getFPImm()->getValueAPF();
+      bool Unused;
+      APF.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven, &Unused);
+      OS << "half " << APF.convertToFloat();
+    }
     else
       OS << getFPImm()->getValueAPF().convertToDouble();
     break;