Highlight that getMergeValues optimization is
being suppressed here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52952 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6923e84..2fbc25c 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4517,7 +4517,8 @@
   SDOperand Res = DAG.getLoad(VT, FIST, StackSlot, NULL, 0);
 
   // Use a MERGE_VALUES node to drop the chain result value.
-  return DAG.getMergeValues(DAG.getVTList(VT), &Res, 1, false).Val;
+  return DAG.getMergeValues(DAG.getVTList(VT), &Res, 1,
+                            false /* Require a node with one-result */).Val;
 }
 
 SDOperand X86TargetLowering::LowerFABS(SDOperand Op, SelectionDAG &DAG) {