[PATCH] D55283: CodeGen: Refactor regallocator command line and target selection

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: MatzeB.
Herald added subscribers: aheejin, jgravelle-google, sbc100, tpr, nhaehnle, wdng, jvesely, dschuff, jholewinski.

This will allow targets more flexibility to replace the
register allocator core passes. In a future commit,
AMDGPU will run the core register assignment passes
twice, and will also want to disallow using the
standard -regalloc option.


https://reviews.llvm.org/D55283

Files:
  include/llvm/CodeGen/TargetPassConfig.h
  lib/CodeGen/TargetPassConfig.cpp
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  lib/Target/NVPTX/NVPTXTargetMachine.cpp
  lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp

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