[PATCH] D22193: Add macro-fusion hook in MIScheduler and support cluster instructions scheduling in PostRAScheduler

[Chuang-Yu Cheng via llvm-commits]

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

  - Allow targets plug their own macro-fusion logic to replace default one in default pre-scheduler (i.e. ScheduleDAGMILive).
  - Teach PostRAScheduler being able to schedule cluster instructions in adjacent fashion.


http://reviews.llvm.org/D22193

Files:
  include/llvm/CodeGen/TargetPassConfig.h
  lib/CodeGen/MachineScheduler.cpp
  lib/CodeGen/PostRASchedulerList.cpp

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