--- a/lib/Target/PowerPC/PPCTargetTransformInfo.h	Tue Jan 26 22:56:36 2016 +0900
+++ b/lib/Target/PowerPC/PPCTargetTransformInfo.h	Fri Nov 25 19:14:25 2016 +0900
@@ -41,13 +41,6 @@
       : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
         TLI(ST->getTargetLowering()) {}
 
-  // Provide value semantics. MSVC requires that we spell all of these out.
-  PPCTTIImpl(const PPCTTIImpl &Arg)
-      : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
-  PPCTTIImpl(PPCTTIImpl &&Arg)
-      : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
-        TLI(std::move(Arg.TLI)) {}
-
   /// \name Scalar TTI Implementations
   /// @{
 
@@ -71,6 +64,7 @@
   unsigned getNumberOfRegisters(bool Vector);
   unsigned getRegisterBitWidth(bool Vector);
   unsigned getCacheLineSize();
+  unsigned getPrefetchDistance();
   unsigned getMaxInterleaveFactor(unsigned VF);
   int getArithmeticInstrCost(
       unsigned Opcode, Type *Ty,