[llvm-dev] MachineCSE ignores COPY

[vivek pandya via llvm-dev]

Hello,

I see that MachienCSE ignores COPY instructions
bool MachineCSE::isCSECandidate(MachineInstr *MI) {
...
  // Ignore copies.
  if (MI->isCopyLike())
    return false;

Are there any correctness concerns?

Thanks,
Vivek
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