if (!sgn_splat) return false;

  auto splat = dyn_cast<SplatElementsAttr>(float_or_int);
  if (auto float_spl = llvm::dyn_cast_if_present<FloatAttr>(splat),
      sgn_cst_spl = llvm::dyn_cast_if_present<FloatAttr>(sgn_splat);
      float_spl && sgn_cst_spl) {
    return IsSign(float_spl.getValue(), sgn_cst_spl.getValue());
  }
  if (auto int_spl = llvm::dyn_cast_if_present<IntegerAttr>(splat),

  const auto int_values = dense_int_attr.getValues<APInt>();
  float float_val = 0.0f;
  if (!int_values.empty()) {
    const APInt apint_val = *int_values.begin();
    if (dense_int_attr.getType().getElementType().isSignedInteger()) {
      // Get the sign-extended value (=>int64) if the type is signed.
      float_val = apint_val.getSExtValue();
    } else {