llvm-project/llvm/test/Transforms/LoopDataPrefetch
Adam Nemet 709e3046ee [LoopDataPrefetch] Add TTI to limit the number of iterations to prefetch ahead
Summary:
It can hurt performance to prefetch ahead too much.  Be conservative for
now and don't prefetch ahead more than 3 iterations on Cyclone.

Reviewers: hfinkel

Subscribers: llvm-commits, mzolotukhin

Differential Revision: http://reviews.llvm.org/D17949

llvm-svn: 263772
2016-03-18 00:27:43 +00:00
..
AArch64 [LoopDataPrefetch] Add TTI to limit the number of iterations to prefetch ahead 2016-03-18 00:27:43 +00:00
PowerPC