[PATCH] D70228: [LoopDataPrefetch + SystemZ] Let target decide on prefetching on a per loop basis

Jonas Paulsson via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 10 08:40:01 PDT 2020


jonpa updated this revision to Diff 249387.
jonpa added a comment.

Ping!  Patch rebased.

We see that lbm gets a significant speedup with this patch on SystemZ.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70228/new/

https://reviews.llvm.org/D70228

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/include/llvm/MC/MCSubtargetInfo.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/MC/MCSubtargetInfo.cpp
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
  llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
  llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
  llvm/test/CodeGen/SystemZ/prefetch-02.ll
  llvm/test/CodeGen/SystemZ/prefetch-03.ll
  llvm/test/CodeGen/SystemZ/prefetch-04.ll

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