Xilinx Vitis HLS LLVM 2021.2

The directory contains Xilinx HLS LLVM source code and examples for use with Xilinx Vitis HLS 2020.2 release.

Directory	Description
hls-llvm-project	llvm-project submodule, only the `clang`, `clang-tools-extra`, and `llvm` sub-directories are used by Vitis HLS
ext	External libraries required by hls-llvm-project
plugins	Custom llvm passes that can be built and used in Vitis HLS
vitis_hls_examples	Examples of using Vitis HLS with local hls-llvm-project or plugin binaries

How to build hls-llvm-project

Use a Xilinx compatible linux Build Machine OS
- This requirement is due to ext library usage
Clone the HLS repo sources (including hls-llvm-project submodule)
Install CMake 3.4.3 or higher
Install ninja [optional for faster builds]
run build-hls-llvm-project.sh in the cloned directory:

./build-hls-llvm-project.sh