[llvm] r250717 - Put back SelectionDAG::getTargetIndex.

[Benjamin Kramer via llvm-commits]

Author: d0k
Date: Mon Oct 19 13:26:16 2015
New Revision: 250717

URL: http://llvm.org/viewvc/llvm-project?rev=250717&view=rev
Log:
Put back SelectionDAG::getTargetIndex.

While technically this is untested dead code, it has out-of-tree users.
This reverts a part of r250434.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=250717&r1=250716&r2=250717&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Mon Oct 19 13:26:16 2015
@@ -1398,6 +1398,24 @@ SDValue SelectionDAG::getConstantPool(Ma
   return SDValue(N, 0);
 }
 
+SDValue SelectionDAG::getTargetIndex(int Index, EVT VT, int64_t Offset,
+                                     unsigned char TargetFlags) {
+  FoldingSetNodeID ID;
+  AddNodeIDNode(ID, ISD::TargetIndex, getVTList(VT), None);
+  ID.AddInteger(Index);
+  ID.AddInteger(Offset);
+  ID.AddInteger(TargetFlags);
+  void *IP = nullptr;
+  if (SDNode *E = FindNodeOrInsertPos(ID, IP))
+    return SDValue(E, 0);
+
+  SDNode *N =
+      new (NodeAllocator) TargetIndexSDNode(Index, VT, Offset, -TargetFlags);
+  CSEMap.InsertNode(N, IP);
+  InsertNode(N);
+  return SDValue(N, 0);
+}
+
 SDValue SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other), None);