[PATCH] D28675: [DAGCombine] require UnsafeFPMath for re-association of addition

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle updated this revision to Diff 86255.
nhaehnle added a comment.

Backing out the effectively dead FMF code, but leave the corresponding
FIXMEs in place.


https://reviews.llvm.org/D28675

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AMDGPU/fma-combine.ll
  test/CodeGen/AMDGPU/mad-combine.ll
  test/CodeGen/NVPTX/fma-assoc.ll
  test/CodeGen/PowerPC/fma-assoc.ll

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