rework CI and Docker image

.github/workflows/build.yaml

@@ -0,0 +1,28 @@
+name: Build LLVM and LLVM-MCAD inside Docker
+on:
+  push:
+  #schedule:
+  #  # Run nightly at 08:00 UTC (aka 00:00 Pacific, aka 03:00 Eastern)
+  #  - cron: '0 8 * * *'
+
+permissions:
+  contents: read # Default everything to read-only
+
+env:
+  WORKSPACE_PATH: ${{ github.workspace }}
+
+jobs:
+  build:
+    # We need to run self-hosted because the GitHub runners run out of disk space.
+    runs-on: [self-hosted, linux]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          path: 'LLVM-MCA-Daemon'
+      - name: install dependencies
+        run: sudo ./docker/setup-deps.sh
+      - name: build LLVM
+        run: ./docker/setup-llvm.sh
+      - name: build LLVM-MCA-Daemon
+        run: ./docker/setup-build.sh
+

docker/Dockerfile

@@ -22,7 +22,7 @@ RUN setup/setup-llvm.sh
 COPY docker/setup-build.sh ./setup/
 RUN setup/setup-build.sh
 
-ENV PATH="/work/LLVM-MCA-Daemon/build:/opt/llvm-14/bin:$PATH"
+ENV PATH="/work/mcad-build:/opt/llvm-14/bin:$PATH"
 RUN rm /etc/apt/apt.conf.d/docker-clean
 
 ENTRYPOINT ["llvm-mcad"]

docker/setup-build.sh

@@ -5,15 +5,16 @@ set -e
 export DEBIAN_FRONTEND=noninteractive
 
 if [ -z "${WORKSPACE_PATH}" ]; then
-WORKSPACE_PATH=/work/LLVM-MCA-Daemon
+WORKSPACE_PATH=/work
 fi
 
-mkdir -p ${WORKSPACE_PATH}/build
-cd ${WORKSPACE_PATH}/build
+mkdir -p ${WORKSPACE_PATH}/mcad-build
+mkdir -p ${WORKSPACE_PATH}/mcad-install
+cd ${WORKSPACE_PATH}/mcad-build
 
-cmake -G Ninja -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/opt/LLVM-MCA-Daemon \
+cmake -G Ninja -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=${WORKSPACE_PATH}/mcad-install \
                -DCMAKE_C_COMPILER=clang-14 -DCMAKE_CXX_COMPILER=clang++-14 \
-               -DLLVM_DIR=/opt/llvm-main/lib/cmake/llvm \
+               -DLLVM_DIR=${WORKSPACE_PATH}/llvm-install/lib/cmake/llvm \
                -DLLVM_MCAD_ENABLE_PLUGINS="tracer;binja;vivisect" \
-               ../
+               ${WORKSPACE_PATH}/LLVM-MCA-Daemon
 ninja

docker/setup-llvm.sh

@@ -5,22 +5,19 @@ set -e
 export DEBIAN_FRONTEND=noninteractive
 
 if [ -z "${WORKSPACE_PATH}" ]; then
-WORKSPACE_PATH=/work/LLVM-MCA-Daemon
+WORKSPACE_PATH=/work
 fi
 
 # Run ./setup-deps.sh before this to install dependencies needed to build LLVM
 
 # Applying the patches requires that our git user has an identity.
 git config --global user.email "[email protected]"
 git config --global user.name "Workflow"
-
 git clone https://github.com/llvm/llvm-project.git llvm
 cd llvm
-git am < ${WORKSPACE_PATH}/patches/add-identifier-to-mca-instruction.patch
-git am < ${WORKSPACE_PATH}/patches/start-mapping-e500-itenerary-model-to-new-schedule.patch
-git am < ${WORKSPACE_PATH}/patches/abstract-memory-group.patch
+git am ${WORKSPACE_PATH}/LLVM-MCA-Daemon/patches/*.patch
 mkdir build && cd build
-cmake -G Ninja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/opt/llvm-main \
+cmake -G Ninja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=${WORKSPACE_PATH}/llvm-install \
                -DCMAKE_C_COMPILER=clang-14 -DCMAKE_CXX_COMPILER=clang++-14 \
                -DLLVM_USE_LINKER=lld-14 -DLLVM_ENABLE_ASSERTIONS=ON \
                -DLLVM_TOOL_LLVM_MCA_BUILD=ON \