[PATCH] D89171: [NFC][Regalloc] Pass VirtRegMap by reference.

[Mircea Trofin via Phabricator via llvm-commits]

mtrofin created this revision.
mtrofin added reviewers: qcolombet, dsanders, MaskRay, gjain.
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mtrofin requested review of this revision.

It's never null - the reason it's modeled as a pointer is because the
pass can't init it in its ctor. Passing by ref simplifies the code, too,
as the null checks were unnecessary complexity.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D89171

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

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