Add an expand action for ISD label which just deletes the label.
This "fixes" PR1238.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34890 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index c323113..357e2cd 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -879,6 +879,9 @@
       Tmp2 = LegalizeOp(Node->getOperand(1));  // Legalize the label id.
       Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2);
       break;
+    case TargetLowering::Expand:
+      Result = LegalizeOp(Node->getOperand(0));
+      break;
     }
     break;