Implement a bunch more TargetSelectionDAGInfo infrastructure.

Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103481 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZTargetMachine.h b/lib/Target/SystemZ/SystemZTargetMachine.h
index d3357cc..6af829b 100644
--- a/lib/Target/SystemZ/SystemZTargetMachine.h
+++ b/lib/Target/SystemZ/SystemZTargetMachine.h
@@ -17,6 +17,7 @@
 
 #include "SystemZInstrInfo.h"
 #include "SystemZISelLowering.h"
+#include "SystemZSelectionDAGInfo.h"
 #include "SystemZRegisterInfo.h"
 #include "SystemZSubtarget.h"
 #include "llvm/Target/TargetData.h"
@@ -32,6 +33,7 @@
   const TargetData        DataLayout;       // Calculates type size & alignment
   SystemZInstrInfo        InstrInfo;
   SystemZTargetLowering   TLInfo;
+  SystemZSelectionDAGInfo TSInfo;
 
   // SystemZ does not have any call stack frame, therefore not having
   // any SystemZ specific FrameInfo class.
@@ -53,6 +55,10 @@
     return &TLInfo;
   }
 
+  virtual const SystemZSelectionDAGInfo* getSelectionDAGInfo() const {
+    return &TSInfo;
+  }
+
   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
 }; // SystemZTargetMachine.