[PATCH] D158144: [PHIElimination] Handle subranges in LiveInterval updates

[Carl Ritson via Phabricator via llvm-commits]

critson updated this revision to Diff 551418.
critson added a comment.

- Add getOrCreateEmptyInterval helper to LiveIntervals


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158144/new/

https://reviews.llvm.org/D158144

Files:
  llvm/include/llvm/CodeGen/LiveIntervals.h
  llvm/lib/CodeGen/LiveIntervals.cpp
  llvm/lib/CodeGen/MachineBasicBlock.cpp
  llvm/lib/CodeGen/PHIElimination.cpp
  llvm/test/CodeGen/AMDGPU/split-mbb-lis-subrange.mir

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