[PATCH] D142585: AMDGPU: Try to push fneg as integer into select

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
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I initially attempted to select the source modifier from xor of
a sign mask. This proved to be more difficult since
foldBinOpIntoSelect does not consider free fneg of integers
and undoes the combine.


https://reviews.llvm.org/D142585

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/fneg-modifier-casting.ll

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