[PATCH] D140181: DAG: Pull fneg out of select feeding fadd into fsub

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 483846.
arsenm added a comment.

Add some more tests and copy suggested patch


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140181/new/

https://reviews.llvm.org/D140181

Files:
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/ARM/fadd-select-fneg-combine.ll

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