[PATCH] D31779: AMDGPU: Replace fp16SrcZerosHighBits with a whitelist

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

FCOPYSIGN is lowered to bit operations which don't clear the high bits.


https://reviews.llvm.org/D31779

Files:
  lib/Target/AMDGPU/SIISelLowering.cpp
  test/CodeGen/AMDGPU/fcopysign.f16.ll

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