Method IsReadOnlyLoad

source/opt/instruction.cpp:219–245

}

bool Instruction::IsReadOnlyLoad() const {
  if (IsLoad()) {
    Instruction* address_def = GetBaseAddress();
    if (!address_def) {
      return false;
    }

    if (address_def->opcode() == spv::Op::OpVariable) {
      if (address_def->IsReadOnlyPointer()) {
        return true;
      }
    }

    if (address_def->opcode() == spv::Op::OpLoad) {
      const analysis::Type* address_type =
          context()->get_type_mgr()->GetType(address_def->type_id());
      if (address_type->AsSampledImage() != nullptr) {
        const auto* image_type =
            address_type->AsSampledImage()->image_type()->AsImage();
        if (image_type->sampled() == 1) {
          return true;
        }
      }
    }
  }
  return false;
}

Instruction* Instruction::GetBaseAddress() const {
  uint32_t base = GetSingleWordInOperand(kLoadBaseIndex);