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 6923e84b9767ccdffdb7d7e8187db7d46532dde6..2fbc25c96d4143aff44f7fd727195a4e101efb6c 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4517,7 +4517,8 @@ SDNode *X86TargetLowering::ExpandFP_TO_SINT(SDNode *N, SelectionDAG &DAG) {
   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) {