[PATCH] D135301: [DAG] Extract helper for (neg x) [nfc]

[Philip Reames via Phabricator via llvm-commits]

reames created this revision.
reames added reviewers: craig.topper, RKSimon.
Herald added subscribers: StephenFan, frasercrmck, ecnelises, luismarques, apazos, sameer.abuasal, s.egerton, Jim, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, niosHD, sabuasal, bollu, simoncook, johnrusso, rbar, asb, hiraditya, arichardson, mcrosier.
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This is a frequently reoccurring pattern, let's factor it out.  The mechanical change is obvious, posting for review to make sure we have agreement on naming and comments.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D135301

Files:
  llvm/include/llvm/CodeGen/SelectionDAG.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp

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