diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
deleted file mode 100644
index e55d3245435e4..0000000000000
--- a/.github/workflows/clang-format.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: clang-format-check
-
-on:
-  pull_request:
-    branches:
-    - sycl
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Get clang-format first
-      run: sudo apt-get install -yqq clang-format
-
-    - uses: actions/checkout@v2
-      with:
-        fetch-depth: 2
-
-    - name: Run clang-format for the patch
-      run: |
-        git diff --no-color ${GITHUB_SHA}^1 ${GITHUB_SHA} --name-only -- | grep -v "/test/" | xargs git diff -U0 --no-color ${GITHUB_SHA}^1 ${GITHUB_SHA} -- | ./clang/tools/clang-format/clang-format-diff.py -p1 -binary clang-format > ./clang-format.patch
-
-    # Add patch with formatting fixes to CI job artifacts
-    - uses: actions/upload-artifact@v1
-      with:
-        name: clang-format-patch
-        path: ./clang-format.patch
-
-    - name: Check if clang-format patch is empty
-      run: bash -c "if [ -s ./clang-format.patch ]; then cat ./clang-format.patch; exit 1; fi"
diff --git a/.github/workflows/gh_pages.yml b/.github/workflows/gh_pages.yml
deleted file mode 100644
index 08fa5cce9cc77..0000000000000
--- a/.github/workflows/gh_pages.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-name: Generate Doxygen documentation
-
-on:
-  schedule:
-  - cron: 0 1 * * *
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    if: github.repository == 'intel/llvm'
-    steps:
-    - uses: actions/checkout@v2
-      with:
-        ref: sycl
-        path: repo
-    - name: Install deps
-      run: |
-        sudo apt-get install -y doxygen graphviz ssh ninja-build
-        sudo pip3 install 'sphinx==4.1.2' 'myst-parser==0.15.1'
-    - name: Build Docs
-      run: |
-        mkdir -p $GITHUB_WORKSPACE/build
-        cd $GITHUB_WORKSPACE/build
-        python $GITHUB_WORKSPACE/repo/buildbot/configure.py -w $GITHUB_WORKSPACE \
-        -s $GITHUB_WORKSPACE/repo -o $GITHUB_WORKSPACE/build -t Release --docs
-        cmake --build . --target doxygen-sycl
-        cmake --build . --target doxygen-clang
-        cmake --build . --target docs-sycl-html
-        cmake --build . --target docs-clang-html
-    - name: Deploy
-      env:
-        SSH_KEY: ${{secrets.ACTIONS_DEPLOY_KEY}}
-      run: |
-        mkdir -p ~/.ssh
-        echo "$SSH_KEY" > ~/.ssh/id_rsa
-        chmod 600 ~/.ssh/id_rsa
-        eval "$(ssh-agent -s)"
-        ssh-add -k ~/.ssh/id_rsa
-        git clone git@github.com:intel/llvm-docs.git docs
-        cd $GITHUB_WORKSPACE/docs
-        git rm -rf .
-        touch .nojekyll
-        yes | \cp -rf $GITHUB_WORKSPACE/build/tools/sycl/doc/html/* .
-        mv $GITHUB_WORKSPACE/build/tools/sycl/doc/doxygen/html doxygen/
-        mv $GITHUB_WORKSPACE/build/tools/clang/docs/html clang/
-        mv $GITHUB_WORKSPACE/build/tools/clang/docs/doxygen/html clang_doxygen/
-        git config --global user.name "iclsrc"
-        git config --global user.email "ia.compiler.tools.git@intel.com"
-        git add .
-        git diff-index --quiet HEAD || git commit -m "Update docs" -s
-        git push
diff --git a/.github/workflows/linux_post_commit.yml b/.github/workflows/linux_post_commit.yml
deleted file mode 100644
index 7f52843937315..0000000000000
--- a/.github/workflows/linux_post_commit.yml
+++ /dev/null
@@ -1,77 +0,0 @@
-name: Linux Post Commit Checks
-
-on:
-  push:
-    branches:
-      - sycl
-jobs:
-   check:
-     runs-on: ubuntu-18.04
-     if: github.repository == 'intel/llvm'
-     strategy:
-       fail-fast: false
-       matrix:
-         config: ["Default", "SharedLibs", "NoAssertions"]
-
-     steps:
-     - uses: actions/checkout@v2
-       with:
-         path: src
-     - name: Install Ubuntu deps
-       run: sudo apt install -y ninja-build
-     - name: Configure
-       run: |
-         CONFIG=${{ matrix.config }}
-         case $CONFIG in
-             Default)
-                 export ARGS=""
-                 ;;
-             SharedLibs)
-                 wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-                 sudo add-apt-repository "deb http://apt.llvm.org/bionic/   llvm-toolchain-bionic-12 main"
-                 sudo apt-get update
-                 sudo apt-get install -y clang-12
-                 export ARGS="--shared-libs"
-                 export CC="clang-12"
-                 export CXX="clang++-12"
-                 ;;
-             NoAssertions)
-                 export ARGS="--no-assertions"
-                 ;;
-         esac
-         mkdir -p $GITHUB_WORKSPACE/build
-         cd $GITHUB_WORKSPACE/build
-         python3 $GITHUB_WORKSPACE/src/buildbot/configure.py -w $GITHUB_WORKSPACE \
-         -s $GITHUB_WORKSPACE/src -o $GITHUB_WORKSPACE/build -t Release $ARGS
-     - name: Compile
-       run: |
-         python3 $GITHUB_WORKSPACE/src/buildbot/compile.py -w  $GITHUB_WORKSPACE \
-         -s  $GITHUB_WORKSPACE/src -o $GITHUB_WORKSPACE/build
-     - name: check-llvm
-       if: always()
-       run: |
-         python3 $GITHUB_WORKSPACE/src/buildbot/check.py -w  $GITHUB_WORKSPACE \
-         -s  $GITHUB_WORKSPACE/src -o $GITHUB_WORKSPACE/build -t check-llvm
-     - name: check-clang
-       if: always()
-       run: |
-         python3 $GITHUB_WORKSPACE/src/buildbot/check.py -w  $GITHUB_WORKSPACE \
-         -s  $GITHUB_WORKSPACE/src -o $GITHUB_WORKSPACE/build -t check-clang
-     - name: check-sycl
-       if: always()
-       run: |
-         python3 $GITHUB_WORKSPACE/src/buildbot/check.py -w  $GITHUB_WORKSPACE \
-         -s  $GITHUB_WORKSPACE/src -o $GITHUB_WORKSPACE/build -t check-sycl
-     - name: check-llvm-spirv
-       if: always()
-       run: |
-         python3 $GITHUB_WORKSPACE/src/buildbot/check.py -w  $GITHUB_WORKSPACE \
-         -s  $GITHUB_WORKSPACE/src -o $GITHUB_WORKSPACE/build -t check-llvm-spirv
-     - name: Pack
-       run: tar -czvf llvm_sycl.tar.gz -C $GITHUB_WORKSPACE/build/install .
-     - name: Upload artifacts
-       uses: actions/upload-artifact@v1
-       with:
-         name: sycl_linux_${{ matrix.config }}
-         path: llvm_sycl.tar.gz
-
diff --git a/.github/workflows/sycl_cts.yml b/.github/workflows/sycl_cts.yml
new file mode 100644
index 0000000000000..0ce96482297f2
--- /dev/null
+++ b/.github/workflows/sycl_cts.yml
@@ -0,0 +1,67 @@
+name: sycl_cts_cpu
+
+on:
+  pull_request:
+    branches:
+    - sycl
+    paths:
+    - '.github/workflows/sycl_cts.yml'
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Prepare Env 
+      run: sudo apt-get install -y ninja-build cmake build-essential
+ 
+
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 1
+        path: llvm.src
+
+    - uses: actions/checkout@v2
+      with:
+        # persist-credentials: false allows us to use our own credentials for
+        # pushing to the repository.  Otherwise, the default github actions token
+        # is used.
+        persist-credentials: false
+        fetch-depth: 1
+        repository: KhronosGroup/SYCL-CTS
+        token: ${{ secrets.DOYLELI_DEBUG_TOKEN }}
+        path: icl_tst-sycl-cts
+        ref: a80827e6d3cc0d92327ebe91c0a687807b972d65
+
+    - uses: actions/setup-python@v2
+      with:
+        python-version: '3.7.8'
+
+    - name: Prepare obj folder
+      run: |
+        mkdir llvm.obj
+
+    - name: Dependency Step
+      run: |
+        python3 -u llvm.src/buildbot/dependency.py -n $GITHUB_RUN_NUMBER -b sycl -d sycl -w $PWD -s $PWD/llvm.src -o $PWD/llvm.obj -c
+
+    - name: Configure Step
+      run: |
+        python3 -u llvm.src/buildbot/configure.py -n $GITHUB_RUN_NUMBER -b sycl -d sycl -t Release -w $PWD -s $PWD/llvm.src -o $PWD/llvm.obj
+
+    - name: Build Step
+      run: |
+        python3 -u llvm.src/buildbot/compile.py -n $GITHUB_RUN_NUMBER -b sycl -d sycl -w $PWD -s $PWD/llvm.src -o $PWD/llvm.obj
+
+    - name: SYCL_CTS Step
+      run: |
+        mkdir build
+        cd build; cmake -G "Ninja" -DSYCL_IMPLEMENTATION=Intel_SYCL -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS_RELEASE="" -DINTEL_SYCL_ROOT=$PWD/..//llvm.obj -DOpenCL_INCLUDE_DIR=$PWD/..//llvm.obj/include/sycl -DOpenCL_LIBRARY=$PWD/..//llvm.obj/lib/libOpenCL.so -Dopencl_platform_name=intel -Dopencl_device_name=opencl_cpu $PWD/..//icl_tst-sycl-cts
+        ninja -j 2
+        ctest --verbose -j 2 -R test_buffer_opencl$ --timeout 2800
+
+
+
+
+
+
+
diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
deleted file mode 100644
index 6eb842af5bb0d..0000000000000
--- a/.github/workflows/sync-main.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-name: automatic sync main branch from llvm-project to llvm
-
-on:
-  schedule:
-  - cron: '0 */1 * * *'
-jobs:
-  sync:
-    runs-on: ubuntu-latest
-    if: github.repository == 'intel/llvm'
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          # persist-credentials: false allows us to use our own credentials for
-          # pushing to the repository.  Otherwise, the default github actions token
-          # is used.
-          persist-credentials: false
-          fetch-depth: 0
-          path: src
-      - name: Sync
-        env:
-          BRANCH: main
-          SYNC_REPO: https://github.com/llvm/llvm-project
-          LLVMBOT_TOKEN: ${{ secrets.LLVM_MAIN_SYNC_BBSYCL_TOKEN }}
-        run: |
-          cd $GITHUB_WORKSPACE/src
-          branch_exist=`git ls-remote --heads origin $BRANCH | wc -l`
-          if [ $branch_exist -ne 0 ]; then
-              git checkout $BRANCH
-              git pull --ff --ff-only $SYNC_REPO $BRANCH
-              if [ $? -ne 0 ]; then
-                  echo "failed to pull from $SYNC_REPO $BRANCH, abort"
-                  exit 1
-              fi
-              git_status=`git rev-list --count --left-right origin/$BRANCH...$BRANCH`
-              if [ "0	0" == "$git_status" ] ; then
-                  echo "no change, skip"
-              elif [[ "$git_status" =  0* ]] ; then
-                  git push https://$LLVMBOT_TOKEN@github.com/${{ github.repository }} ${BRANCH}
-              else
-                  echo "$BRANCH branch invalid state"
-                  exit 1
-              fi
-          else
-              git remote add upstream $SYNC_REPO
-              git fetch upstream
-              git checkout -B $BRANCH upstream/$BRANCH
-              git push https://$LLVMBOT_TOKEN@github.com/${{ github.repository }} ${BRANCH}
-          fi
-          echo "sync finished"