[PATCH] D122580: RegAllocGreedy: Roll back successful recolorings on failure

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 418706.
arsenm added a comment.

Test changes


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122580/new/

https://reviews.llvm.org/D122580

Files:
  llvm/lib/CodeGen/RegAllocGreedy.cpp
  llvm/lib/CodeGen/RegAllocGreedy.h
  llvm/test/CodeGen/AMDGPU/issue48473.mir
  llvm/test/CodeGen/AMDGPU/regalloc-failure-overlapping-insert-assert.mir
  llvm/test/CodeGen/RISCV/regalloc-last-chance-recoloring-failure.ll

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