Fix PR1198, by adding initial i128 support.  Patch by Dan Gohman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34256 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index d43e6a6..64455a1 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2200,6 +2200,7 @@
       case 16:   return MVT::i16;
       case 32:   return MVT::i32;
       case 64:   return MVT::i64;
+      case 128:  return MVT::i128;
     }
     break;
   case Type::FloatTyID:   return MVT::f32;