// before the slice access (and all cap>0 slices have a non-nil ptr). See #30366.
			if v.Op == OpAddr || v.Op == OpLocalAddr || v.Op == OpAddPtr || v.Op == OpOffPtr || v.Op == OpAdd32 || v.Op == OpAdd64 || v.Op == OpSub32 || v.Op == OpSub64 || v.Op == OpSlicePtr {
				nonNilValues[v.ID] = v
			}
		}
	}

	for changed := true; changed; {
		changed = false
		for _, b := range f.Blocks {

  if (isa<func::ConstantOp, mlir::stablehlo::ConstantOp>(op)) {
    // Constant ops do not have QuantizableResult attribute but can be
    // quantized.
    return true;
  } else if (op->hasTrait<OpTrait::IsTerminator>() ||
             isa<quantfork::QuantizeCastOp, quantfork::DequantizeCastOp>(op)) {
    // Terminators, qcast and decast are not quantizable.
    return false;
  }

	for i.Op == InstNop || i.Op == InstCapture {
		i = &p.Inst[i.Out]
	}
	return i
}

// op returns i.Op but merges all the Rune special cases into InstRune
func (i *Inst) op() InstOp {
	op := i.Op
	switch op {
	case InstRune1, InstRuneAny, InstRuneAnyNotNL:
		op = InstRune
	}
	return op
}

// Prefix returns a literal string that all matches for the

                  TF_Status* s, const char* name) {
  TF_Operation* op;
  AddOpHelper(l, r, graph, s, name, &op, true);
  return op;
}

TF_Operation* AddNoCheck(TF_Operation* l, TF_Operation* r, TF_Graph* graph,
                         TF_Status* s, const char* name) {
  TF_Operation* op;
  AddOpHelper(l, r, graph, s, name, &op, false);
  return op;
}

LogicalResult ShapeNOp::verify() {
  ShapeNOp op = *this;
  const size_t num_tensors = op.getN();

  if (op.getNumOperands() != num_tensors)
    return op.emitOpError() << "requires " << num_tensors << " operand(s), got "
                            << op.getNumOperands() << " operand(s)";

  if (op.getNumResults() != num_tensors)
    return op.emitOpError() << "requires " << num_tensors << " result(s), got "

    lstm_variant->op_code =
        tflite::BuiltinOperator_UNIDIRECTIONAL_SEQUENCE_LSTM;
  } else {
    op.emitError("ConvertLstmStatsToQDQs pass only supports LSTMs.");
    return failure();
  }
  lstm_variant->use_projection =
      !mlir::isa<NoneType>(op.getProjectionWeights().getType());
  lstm_variant->use_peephole =
      !mlir::isa<NoneType>(op.getCellToOutputWeights().getType());

		v.Op = OpARM64MULW
		return true
	case OpMul32F:
		v.Op = OpARM64FMULS
		return true
	case OpMul64:
		v.Op = OpARM64MUL
		return true
	case OpMul64F:
		v.Op = OpARM64FMULD
		return true
	case OpMul8:
		v.Op = OpARM64MULW
		return true
	case OpNeg16:
		v.Op = OpARM64NEG
		return true
	case OpNeg32:
		v.Op = OpARM64NEG
		return true
	case OpNeg32F:
		v.Op = OpARM64FNEGS
		return true

      // requantize op to remove the unnecessary requantize op.
      if (const QuantizedType qtype =
              QuantizedType::getQuantizedElementType(q.getArg().getType())) {
        rewriter.setInsertionPoint(op);
        rewriter.replaceOpWithNewOp<quantfork::DequantizeCastOp>(
            op, op.getResult().getType(), q.getArg());
        return success();
      }

      op.replaceAllUsesWith(q.getArg());

  func_.walk([&](quantfork::QuantizeRegionOp op) { all_ops.push_back(op); });
  return all_ops;
}

KernelSpecs::Signature QuantizeContext::GetSignature(
    quantfork::QuantizeRegionOp op) {
  KernelSpecs::Signature signature;
  signature.reserve(op.getInputSpecs().size() + op.getOutputSpecs().size());
  for (int i = 0; i < op.getNumOperands(); ++i) {
    DeviceTarget::AppendToSignature(GetOperandParams(op, i), &signature);
  }

  op->walk([&](Operation *op) {
    if (op->getDialect()->getNamespace() != "vhlo") return;

    // Convert operands
    rewriter.modifyOpInPlace(op, [&]() {
      rewriter.setInsertionPoint(op);
      WrapOperandsInUnrealizedCastAndConvert(op, converter, rewriter);

      // Convert op types
      for (auto value : op->getResults()) {
        rewriter.setInsertionPointAfter(value.getDefiningOp());