[PATCH] D88499: [NFC][regalloc] Make VirtRegAuxInfo part of allocator state

[Mircea Trofin via Phabricator via llvm-commits]

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All the state of VRAI is allocator-wide, so we can avoid creating it
every time we need it. In addition, the normalization function is
allocator-specific. In a next change, we can simplify that design in
favor of just having it as a virtual member.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88499

Files:
  llvm/include/llvm/CodeGen/CalcSpillWeights.h
  llvm/lib/CodeGen/CalcSpillWeights.cpp
  llvm/lib/CodeGen/RegAllocBasic.cpp
  llvm/lib/CodeGen/RegAllocGreedy.cpp
  llvm/lib/CodeGen/RegAllocPBQP.cpp

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