Fix a compiler crash where a Glue value had multiple uses.  Radar 9049552.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127198 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 645aeea..0f56201 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -459,6 +459,7 @@
                       SDValue &ARMcc, SelectionDAG &DAG, DebugLoc dl) const;
     SDValue getVFPCmp(SDValue LHS, SDValue RHS,
                       SelectionDAG &DAG, DebugLoc dl) const;
+    SDValue duplicateCmp(SDValue Cmp, SelectionDAG &DAG) const;
 
     SDValue OptimizeVFPBrcond(SDValue Op, SelectionDAG &DAG) const;