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

lib/Target/Alpha/AlphaTargetMachine.cpp

@@ -32,7 +32,8 @@ AlphaTargetMachine::AlphaTargetMachine(const Target &T, const std::string &TT,
     FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
     JITInfo(*this),
     Subtarget(TT, FS),
-    TLInfo(*this) {
+    TLInfo(*this),
+    TSInfo(*this) {
   setRelocationModel(Reloc::PIC_);
 }