#!/bin/bash
#
# Copyright (C) 2018-2019 Intel Corporation
#
# SPDX-License-Identifier: MIT
#

mkdir /root/build-igc
cd /root/build-igc

export cclang_commit_id=41cad395859684b18e762ca4a2c713c2fa349622
export spirv_id=83298e3c9b124486c16d0fde54c764a6c5a2b554
export igc_commit_id=296a42bdfa870011a26b0e3d0d7d8d8da3a9ddb7

wget --no-check-certificate https://github.com/intel/opencl-clang/archive/${cclang_commit_id}/opencl-clang.tar.gz
wget --no-check-certificate https://github.com/intel/intel-graphics-compiler/archive/${igc_commit_id}/igc.tar.gz
wget --no-check-certificate https://github.com/KhronosGroup/SPIRV-LLVM-Translator/archive/${spirv_id}/spirv-llvm-translator.tar.gz

mkdir igc opencl_clang llvm-spirv

tar xzf opencl-clang.tar.gz -C opencl_clang --strip-components=1
tar xzf igc.tar.gz -C igc --strip-components=1
tar xzf spirv-llvm-translator.tar.gz -C llvm-spirv --strip-components=1

pushd llvm-spirv
dos2unix ../opencl_clang/patches/spirv/0001-Update-LowerOpenCL-pass-to-handle-new-blocks-represn.patch
dos2unix ../opencl_clang/patches/spirv/0002-Translation-of-llvm.dbg.declare-in-case-the-local-va.patch

patch -p1 < ../opencl_clang/patches/spirv/0001-Update-LowerOpenCL-pass-to-handle-new-blocks-represn.patch
patch -p1 < ../opencl_clang/patches/spirv/0002-Translation-of-llvm.dbg.declare-in-case-the-local-va.patch
popd

mkdir build_spirv
cd build_spirv
cmake ../llvm-spirv -DCMAKE_INSTALL_PREFIX=install -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Release
make llvm-spirv -j`nproc`
make install
cd ..

mkdir build_opencl_clang
cd build_opencl_clang
cmake -DCOMMON_CLANG_LIBRARY_NAME=opencl_clang -DLLVMSPIRV_INCLUDED_IN_LLVM=OFF -DSPIRV_TRANSLATOR_DIR=../build_spirv/install -DLLVM_NO_DEAD_STRIP=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX='/usr' ../opencl_clang
make -j`nproc` all
make install
cd ..

mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release -DIGC_OPTION__OUTPUT_DIR=../igc-install/Release -DCOMMON_CLANG_LIBRARY_NAME=opencl_clang \
-DCMAKE_INSTALL_PREFIX='/usr' -Wno-dev ../igc -DIGC_PREFERRED_LLVM_VERSION=8.0.0
make -j 1
make install
cd ..