Split foldMemoryOperand into public non-virtual and protected virtual
parts, and add target-independent code to add/preserve
MachineMemOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp
index 167012e..8b07bcb 100644
--- a/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/lib/Target/Sparc/SparcInstrInfo.cpp
@@ -225,10 +225,10 @@
   return;
 }
 
-MachineInstr *SparcInstrInfo::foldMemoryOperand(MachineFunction &MF,
-                                                MachineInstr* MI,
+MachineInstr *SparcInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
+                                                    MachineInstr* MI,
                                           const SmallVectorImpl<unsigned> &Ops,
-                                                int FI) const {
+                                                    int FI) const {
   if (Ops.size() != 1) return NULL;
 
   unsigned OpNum = Ops[0];