[PATCH] D55301: RegAlloc: Allow targets to split register allocation

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 186692.
arsenm added a comment.

Partially address comments.

This also probably needs some more test fixes, but the fast regalloc rewrite patches need rebasing first


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55301/new/

https://reviews.llvm.org/D55301

Files:
  include/llvm/CodeGen/Passes.h
  include/llvm/CodeGen/RegAllocCommon.h
  include/llvm/CodeGen/RegAllocRegistry.h
  lib/CodeGen/LiveIntervals.cpp
  lib/CodeGen/RegAllocBase.cpp
  lib/CodeGen/RegAllocBase.h
  lib/CodeGen/RegAllocBasic.cpp
  lib/CodeGen/RegAllocFast.cpp
  lib/CodeGen/RegAllocGreedy.cpp
  lib/Target/AMDGPU/AMDGPU.h
  lib/Target/AMDGPU/AMDGPUCallingConv.td
  lib/Target/AMDGPU/AMDGPURegisterInfo.cpp
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  lib/Target/AMDGPU/CMakeLists.txt
  lib/Target/AMDGPU/SIFrameLowering.cpp
  lib/Target/AMDGPU/SIFrameLowering.h
  lib/Target/AMDGPU/SILowerSGPRSpills.cpp
  lib/Target/AMDGPU/SIMachineFunctionInfo.cpp
  lib/Target/AMDGPU/SIMachineFunctionInfo.h
  lib/Target/AMDGPU/SIRegisterInfo.cpp
  lib/Target/AMDGPU/SIRegisterInfo.h
  test/CodeGen/AMDGPU/callee-frame-setup.ll
  test/CodeGen/AMDGPU/callee-special-input-sgprs.ll
  test/CodeGen/AMDGPU/callee-special-input-vgprs.ll
  test/CodeGen/AMDGPU/cross-block-use-is-not-abi-copy.ll
  test/CodeGen/AMDGPU/debug-value2.ll
  test/CodeGen/AMDGPU/partial-sgpr-to-vgpr-spills.ll
  test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll
  test/CodeGen/AMDGPU/sgpr-spill-no-vgprs.ll
  test/CodeGen/AMDGPU/sgpr-spill-wrong-stack-id.mir
  test/CodeGen/AMDGPU/si-spill-sgpr-stack.ll
  test/CodeGen/AMDGPU/sibling-call.ll
  test/CodeGen/AMDGPU/spill-csr-frame-ptr-reg-copy.ll
  test/CodeGen/AMDGPU/spill-empty-live-interval.mir
  test/CodeGen/AMDGPU/spill-scavenge-offset.ll
  test/CodeGen/AMDGPU/stack-slot-color-sgpr-vgpr-spills.mir

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