[PATCH] D75501: [DAGCombine] Check the uses of negated floating constant and remove the hack

[qshanz via Phabricator via llvm-commits]

steven.zhang updated this revision to Diff 248080.
steven.zhang added a comment.

Update the patch to make it more clear and fix an issue of counting the uses.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75501/new/

https://reviews.llvm.org/D75501

Files:
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/PowerPC/fma-combine.ll

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