目前新版本的Quartus 软件 都自带有 HLS 工具，比如 18.1版本安装以后，HLS相关文件夹如下：
HLS工具 也可以单独下载：
https://www.intel.com/content/www/us/en/software/programmable/quartus-prime/hls-compiler.html
HLS相关文档资料下载：
https://www.intel.com/content/www/us/en/programmable/documentation/xdt1573053936346.html
https://www.intel.com/content/www/us/en/programmable/products/design-software/high-level-design/intel-hls-compiler/support.html