message: expand list of instructions that can't produce new memory blocks
diff: @@ -372,14 +372,15 @@ static void calculateAndInitConstants(Transform &t) {
  dynamic_cast<const Malloc *>(&inst) != nullptr ||
  dynamic_cast<const Calloc *>(&inst) != nullptr;
  };
  +
  auto returns_nonlocal = [](const Instr &inst) {
  if (!inst.getType().isPtrType())
  return false;
  - if (auto conv = dynamic_cast<const ConversionOp *>(&inst)) {
  - if (conv->getOp() == ConversionOp::BitCast)
  - return false;
  - }
  - if (dynamic_cast<const GEP *>(&inst))
  + if (dynamic_cast<const ConversionOp*>(&inst) ||
  + dynamic_cast<const GEP*>(&inst) ||
  + dynamic_cast<const Freeze*>(&inst) ||
  + dynamic_cast<const Phi*>(&inst) ||
  + dynamic_cast<const Select*>(&inst))
  return false;
  return true;
  };
  