Revert "[System Model] [TTI] Update cache and prefetch TTI interfaces"

This broke some PPC prefetching tests.

This reverts commit 9fdfb045ae8bb643ab0d0455dcf9ecaea3b1eb3c.

llvm-svn: 365680

1 files changed, 0 insertions, 25 deletions

diff --git a/llvm/lib/MC/MCSubtargetInfo.cpp b/llvm/lib/MC/MCSubtargetInfo.cpp
index 00801deef8f..5fd48d9e101 100644
--- a/llvm/lib/MC/MCSubtargetInfo.cpp
+++ b/llvm/lib/MC/MCSubtargetInfo.cpp
@@ -315,28 +315,3 @@ void MCSubtargetInfo::initInstrItins(InstrItineraryData &InstrItins) const {
   InstrItins = InstrItineraryData(getSchedModel(), Stages, OperandCycles,
                                   ForwardingPaths);
 }
-
-Optional<unsigned> MCSubtargetInfo::getCacheSize(unsigned Level) const {
-  return Optional<unsigned>();
-}
-
-Optional<unsigned>
-MCSubtargetInfo::getCacheAssociativity(unsigned Level) const {
-  return Optional<unsigned>();
-}
-
-Optional<unsigned> MCSubtargetInfo::getCacheLineSize(unsigned Level) const {
-  return Optional<unsigned>();
-}
-
-unsigned MCSubtargetInfo::getPrefetchDistance() const {
-  return 0;
-}
-
-unsigned MCSubtargetInfo::getMaxPrefetchIterationsAhead() const {
-  return 0;
-}
-
-unsigned MCSubtargetInfo::getMinPrefetchStride() const {
-  return 0;
-}