[PATCH] D22194: Power9 - Add exploitation of oris/ori fusion

[Chuang-Yu Cheng via llvm-commits]

cycheng created this revision.
cycheng added reviewers: hfinkel, nemanjai, amehsan, kbarton, tjablin.
cycheng added a subscriber: llvm-commits.
Herald added subscribers: nemanjai, MatzeB.

The patch teaches LLVM to schedule oris/ori together on Power9, because Power9 can fusing oris/ori into one instruction.

Note! Part of this patch overlaps with D22193, because D22193 provides macro fusion facilities.


http://reviews.llvm.org/D22194

Files:
  include/llvm/CodeGen/TargetPassConfig.h
  lib/CodeGen/MachineScheduler.cpp
  lib/CodeGen/PostRASchedulerList.cpp
  lib/Target/PowerPC/CMakeLists.txt
  lib/Target/PowerPC/PPC.td
  lib/Target/PowerPC/PPCMacroFusion.cpp
  lib/Target/PowerPC/PPCMacroFusion.h
  lib/Target/PowerPC/PPCSubtarget.cpp
  lib/Target/PowerPC/PPCSubtarget.h
  lib/Target/PowerPC/PPCTargetMachine.cpp
  test/CodeGen/PowerPC/fusing-constant.ll

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