Rename MemOperand to MachineMemOperand. This was suggested by
review feedback from Chris quite a while ago. No functionality
change.

llvm-svn: 49348
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
index 00b5677..2af394f 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
@@ -369,7 +369,7 @@
 unsigned ScheduleDAG::CountOperands(SDNode *Node) {
   unsigned N = ComputeMemOperandsEnd(Node);
   while (N && isa<MemOperandSDNode>(Node->getOperand(N - 1).Val))
-    --N; // Ignore MemOperand nodes
+    --N; // Ignore MEMOPERAND nodes
   return N;
 }
 
@@ -656,7 +656,7 @@
   
 }
 
-void ScheduleDAG::AddMemOperand(MachineInstr *MI, const MemOperand &MO) {
+void ScheduleDAG::AddMemOperand(MachineInstr *MI, const MachineMemOperand &MO) {
   MI->addMemOperand(MO);
 }