[SystemZ] Use MVST to implement strcpy and stpcpy

llvm-svn: 188546
diff --git a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
index c874a4d..123cb63 100644
--- a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
@@ -47,6 +47,13 @@
                           MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE;
 
   virtual std::pair<SDValue, SDValue>
+  EmitTargetCodeForStrcpy(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
+                          SDValue Dest, SDValue Src,
+                          MachinePointerInfo DestPtrInfo,
+                          MachinePointerInfo SrcPtrInfo,
+                          bool isStpcpy) const LLVM_OVERRIDE;
+
+  virtual std::pair<SDValue, SDValue>
   EmitTargetCodeForStrcmp(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
                           SDValue Src1, SDValue Src2,
                           MachinePointerInfo Op1PtrInfo,