There are no longer any places that require a
MERGE_VALUES node with only one operand, so get
rid of special code that only existed to handle
that possibility.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60349 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 1f6294f..69452c1 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1021,8 +1021,8 @@
   ArgValues.push_back(Root);
 
   // Return the new list of results.
-  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
-                            ArgValues.size());
+  return DAG.getNode(ISD::MERGE_VALUES, Op.getNode()->getVTList(),
+                     &ArgValues[0], ArgValues.size());
 }
 
 /// isFloatingPointZero - Return true if this is +0.0.
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 66d66d0..7b0fcca 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -294,8 +294,8 @@
   ArgValues.push_back(Root);
 
   // Return the new list of results.
-  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
-                            ArgValues.size());
+  return DAG.getNode(ISD::MERGE_VALUES, Op.getNode()->getVTList(),
+                     &ArgValues[0], ArgValues.size());
 }
 
 static SDValue LowerRET(SDValue Op, SelectionDAG &DAG) {
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index bca8a41..184f0b2 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -1047,8 +1047,8 @@
   ArgValues.push_back(Root);
 
   // Return the new list of results.
-  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
-                            ArgValues.size());
+  return DAG.getNode(ISD::MERGE_VALUES, Op.getNode()->getVTList(),
+                     &ArgValues[0], ArgValues.size());
 }
 
 /// isLSAAddress - Return the immediate to use if the specified
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 60f96ae..bc0294f 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -778,8 +778,8 @@
   ResultVals.push_back(Chain);
 
   // Merge everything together with a MERGE_VALUES node.
-  return DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
-                            ResultVals.size()).getNode();
+  return DAG.getNode(ISD::MERGE_VALUES, TheCall->getVTList(),
+                     &ResultVals[0], ResultVals.size()).getNode();
 }
 
 //===----------------------------------------------------------------------===//
@@ -921,8 +921,8 @@
   ArgValues.push_back(Root);
 
   // Return the new list of results.
-  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
-                            ArgValues.size()).getValue(Op.getResNo());
+  return DAG.getNode(ISD::MERGE_VALUES, Op.getNode()->getVTList(),
+                     &ArgValues[0], ArgValues.size()).getValue(Op.getResNo());
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index d72fdf6..58fd675 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1261,7 +1261,7 @@
   SDValue Ops[] =
     { CallResult.first, CallResult.second };
 
-  return DAG.getMergeValues(Ops, 2, false);
+  return DAG.getMergeValues(Ops, 2);
 }
 
 SDValue PPCTargetLowering::LowerVASTART(SDValue Op, SelectionDAG &DAG,
@@ -1825,8 +1825,8 @@
   ArgValues.push_back(Root);
  
   // Return the new list of results.
-  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
-                            ArgValues.size());
+  return DAG.getNode(ISD::MERGE_VALUES, Op.getNode()->getVTList(),
+                     &ArgValues[0], ArgValues.size());
 }
 
 /// CalculateParameterAndLinkageAreaSize - Get the size of the paramter plus
@@ -2605,8 +2605,8 @@
   
   // Otherwise, merge everything together with a MERGE_VALUES node.
   ResultVals.push_back(Chain);
-  SDValue Res = DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
-                                     ResultVals.size());
+  SDValue Res = DAG.getNode(ISD::MERGE_VALUES, TheCall->getVTList(),
+                            &ResultVals[0], ResultVals.size());
   return Res.getValue(Op.getResNo());
 }
 
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 59e19d5..7b7bf09 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -449,8 +449,8 @@
   ResultVals.push_back(Chain);
 
   // Merge everything together with a MERGE_VALUES node.
-  return DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
-                            ResultVals.size());
+  return DAG.getNode(ISD::MERGE_VALUES, TheCall->getVTList(), &ResultVals[0],
+                     ResultVals.size());
 }
 
 
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 0540538..109609b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1048,8 +1048,8 @@
 
   // Merge everything together with a MERGE_VALUES node.
   ResultVals.push_back(Chain);
-  return DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
-                            ResultVals.size()).getNode();
+  return DAG.getNode(ISD::MERGE_VALUES, TheCall->getVTList(), &ResultVals[0],
+                     ResultVals.size()).getNode();
 }
 
 
@@ -1431,8 +1431,8 @@
   FuncInfo->setBytesToPopOnReturn(BytesToPopOnReturn);
 
   // Return the new list of results.
-  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
-                            ArgValues.size()).getValue(Op.getResNo());
+  return DAG.getNode(ISD::MERGE_VALUES, Op.getNode()->getVTList(),
+                     &ArgValues[0], ArgValues.size()).getValue(Op.getResNo());
 }
 
 SDValue