[TTI] Add getPrefetchDistance from PPCLoopDataPrefetch, NFC

This patch is part of the work to make PPCLoopDataPrefetch
target-independent
(http://thread.gmane.org/gmane.comp.compilers.llvm.devel/92758).

As it was discussed in the above thread, getPrefetchDistance is
currently using instruction count which may change in the future.

llvm-svn: 258995

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
index ed7005e5e52..bd957898834 100644
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -219,6 +219,10 @@ unsigned TargetTransformInfo::getCacheLineSize() const {
   return TTIImpl->getCacheLineSize();
 }
 
+unsigned TargetTransformInfo::getPrefetchDistance() const {
+  return TTIImpl->getPrefetchDistance();
+}
+
 unsigned TargetTransformInfo::getMaxInterleaveFactor(unsigned VF) const {
   return TTIImpl->getMaxInterleaveFactor(VF);
 }