[SystemZ] Use CLST to implement strcmp

llvm-svn: 188544
diff --git a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
index c757e16..c874a4d 100644
--- a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
@@ -45,6 +45,12 @@
                           SDValue Src1, SDValue Src2, SDValue Size,
                           MachinePointerInfo Op1PtrInfo,
                           MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE;
+
+  virtual std::pair<SDValue, SDValue>
+  EmitTargetCodeForStrcmp(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
+                          SDValue Src1, SDValue Src2,
+                          MachinePointerInfo Op1PtrInfo,
+                          MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE;
 };
 
 }