erect abstraction boundaries for accessing SDValue members, rename Val -> Node to reflect semantics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55504 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUISelDAGToDAG.cpp b/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
index c2a3e3a..9bf7c99 100644
--- a/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
+++ b/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
@@ -579,7 +579,7 @@
  */
 SDNode *
 SPUDAGToDAGISel::Select(SDValue Op) {
-  SDNode *N = Op.Val;
+  SDNode *N = Op.getNode();
   unsigned Opc = N->getOpcode();
   int n_ops = -1;
   unsigned NewOpc;
@@ -669,9 +669,9 @@
       MVT VT = Op.getValueType();
 
       DEBUG(cerr << "CellSPU: IndirectAddr(LDRESULT, imm):\nOp0 = ");
-      DEBUG(Op.getOperand(0).Val->dump(CurDAG));
+      DEBUG(Op.getOperand(0).getNode()->dump(CurDAG));
       DEBUG(cerr << "\nOp1 = ");
-      DEBUG(Op.getOperand(1).Val->dump(CurDAG));
+      DEBUG(Op.getOperand(1).getNode()->dump(CurDAG));
       DEBUG(cerr << "\n");
 
       if (Op1.getOpcode() == ISD::Constant) {