Add new ImplicitDef node, rename CopyRegSDNode class to RegSDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19535 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2f5fdc3..ecb9151 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -880,6 +880,7 @@
   case ISD::ConstantPool:  return "ConstantPoolIndex";
   case ISD::CopyToReg:     return "CopyToReg";
   case ISD::CopyFromReg:   return "CopyFromReg";
+  case ISD::ImplicitDef:   return "ImplicitDef";
 
   case ISD::ADD:    return "add";
   case ISD::SUB:    return "sub";
@@ -1006,7 +1007,7 @@
     if (LBB)
       std::cerr << LBB->getName() << " ";
     std::cerr << (const void*)BBDN->getBasicBlock() << ">";
-  } else if (const CopyRegSDNode *C2V = dyn_cast<CopyRegSDNode>(this)) {
+  } else if (const RegSDNode *C2V = dyn_cast<RegSDNode>(this)) {
     std::cerr << "<reg #" << C2V->getReg() << ">";
   } else if (const ExternalSymbolSDNode *ES =
              dyn_cast<ExternalSymbolSDNode>(this)) {