[PATCH] D26986: MachineScheduler: Export function to construct "default" scheduler.

[Matthias Braun via llvm-commits]

MatzeB created this revision.
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MatzeB set the repository for this revision to rL LLVM.
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Herald added subscribers: nhaehnle, mcrosier, arsenm.

This makes the createGenericSchedLive() function that constructs the
default scheduler available for the public API. This should help when
you want to get a scheduler and the default list of DAG mutations.

This also shrinks the list of default DAG mutations:
{Load|Store}ClusterDAGMutation and MacroFusionDAGMutation are no longer
added by default. Targets can easily add them if they need them. It also
makes it easier for targets to add alternative/custom macrofusion or
clustering mutations while staying with the default
createGenericSchedLive(). It also make the
TargetInstrInfo::enableClusterLoads()/enableClusterStores() callbacks unnecessary.


Repository:
  rL LLVM

https://reviews.llvm.org/D26986

Files:
  include/llvm/CodeGen/MachineScheduler.h
  include/llvm/Target/TargetInstrInfo.h
  lib/CodeGen/MachineScheduler.cpp
  lib/Target/AArch64/AArch64InstrInfo.cpp
  lib/Target/AArch64/AArch64InstrInfo.h
  lib/Target/AArch64/AArch64TargetMachine.cpp
  lib/Target/AMDGPU/AMDGPUInstrInfo.cpp
  lib/Target/AMDGPU/AMDGPUInstrInfo.h
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  lib/Target/X86/X86InstrInfo.cpp
  lib/Target/X86/X86InstrInfo.h
  lib/Target/X86/X86TargetMachine.cpp

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