Adam Nemet b022ece108 [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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263772 91177308-0d34-0410-b5e6-96231b3b80d8

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

[LoopDataPrefetch] Make it testable with opt

2016-02-22 21:41:22 +00:00