[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 247839.

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/AMDGPU/fdiv32-to-rcp-folding.ll
  llvm/test/CodeGen/PowerPC/fma-combine.ll
  llvm/test/CodeGen/X86/sse3-avx-addsub-2.ll

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