Reapply the TargerTransformInfo changes, minus the changes to LSR and Lowerinvoke.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166248 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/TargetMachine.h

@@ -17,6 +17,8 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Target/TargetOptions.h"
+#include "llvm/TargetTransformInfo.h"
+#include "llvm/Target/TargetTransformImpl.h"
 #include "llvm/ADT/StringRef.h"
 #include <cassert>
 #include <string>
@@ -107,6 +109,10 @@ public:
   virtual const TargetLowering    *getTargetLowering() const { return 0; }
   virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const{ return 0; }
   virtual const DataLayout             *getDataLayout() const { return 0; }
+  virtual const ScalarTargetTransformInfo*
+  getScalarTargetTransformInfo() const { return 0; }
+  virtual const VectorTargetTransformInfo*
+  getVectorTargetTransformInfo() const { return 0; }
 
   /// getMCAsmInfo - Return target specific asm information.
   ///