New Github Action Workflow

.github/workflows/main.yml

@@ -0,0 +1,81 @@
+name: Build and Test Workflow
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      # Checkout your own repo
+      - uses: actions/checkout@v4
+
+      # Install dependencies
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y git build-essential cmake ninja-build
+
+      # Always clone llvm-project repo (needed even if build is cached)
+      - name: Clone LLVM Project
+        run: |
+          git clone --depth 100 -b merge-functions-pass https://github.com/Casperento/llvm-project.git llvm-project
+
+      # Cache the LLVM *build* directory
+      - name: Cache LLVM 17 build
+        id: cache-llvm-17-build
+        uses: actions/cache@v4
+        with:
+          path: llvm-project/build
+          key: llvm-17-build-${{ runner.os }}-${{ hashFiles('llvm-project/llvm/CMakeLists.txt') }}
+          restore-keys: |
+            llvm-17-build-${{ runner.os }}-
+
+      # Only build LLVM if the cache was not hit
+      - name: Build LLVM 17
+        if: steps.cache-llvm-17-build.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p llvm-project/build
+          cmake -G Ninja \
+            -DLLVM_ENABLE_PROJECTS='clang;compiler-rt;lld' \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DLLVM_TARGETS_TO_BUILD=X86 \
+            -DLLVM_ENABLE_ASSERTIONS=On \
+            -S llvm-project/llvm \
+            -B llvm-project/build
+          cmake --build llvm-project/build
+
+      # Force build save
+      - name: Save LLVM build
+        if: always()
+        uses: actions/cache/save@v4
+        with:
+          path: llvm-project/build
+          key: llvm-17-build-${{ runner.os }}-${{ hashFiles('llvm-project/llvm/CMakeLists.txt') }}
+
+      # Add LLVM to PATH
+      - name: Add LLVM to PATH
+        run: echo "${{ github.workspace }}/llvm-project/build/bin" >> $GITHUB_PATH
+
+      # Debug Environment
+      - name: Debug environment
+        run: |
+          uname -a
+          clang --version
+          llvm-config --version
+
+      # Build your own project (Daedalus)
+      - name: Build Daedalus
+        run: |
+          mkdir -p build
+          cmake -G Ninja \
+            -DLLVM_DIR=${{ github.workspace }}/llvm-project/build/lib/cmake/llvm \
+            -S . -B build
+          cmake --build build
+
+      # Run tests
+      - name: Run tests with ctest
+        run: ctest --rerun-failed --output-on-failure --test-dir build

tests/test-runner.sh

@@ -46,10 +46,23 @@ remove_old_file "$TRANSFORMATIONLOGFILE"
 remove_old_file "$ORIGINAL_EXECUTABLE"
 remove_old_file "$FINAL_EXECUTABLE"
 
+echo "clang $EXTRAPARAMS -Os -flto -fuse-ld=lld -Wl,--plugin-opt=-lto-embed-bitcode=post-merge-pre-opt \"$SOURCEFILENAME\" -o \"$ORIGINAL_EXECUTABLE\""
 clang $EXTRAPARAMS -Os -flto -fuse-ld=lld -Wl,--plugin-opt=-lto-embed-bitcode=post-merge-pre-opt "$SOURCEFILENAME" -o "$ORIGINAL_EXECUTABLE"
+
+echo "llvm-objcopy --dump-section .llvmbc=\"$SOURCEFILENAMELL\" \"$ORIGINAL_EXECUTABLE\""
 llvm-objcopy --dump-section .llvmbc="$SOURCEFILENAMELL" "$ORIGINAL_EXECUTABLE"
+
+echo "opt -S -passes=mem2reg,lcssa,break-crit-edges \"$SOURCEFILENAMELL\" -o \"$SOURCEFILENAMELL\""
 opt -S -passes=mem2reg,lcssa,break-crit-edges "$SOURCEFILENAMELL" -o "$SOURCEFILENAMELL"
-opt -stats -debug-only=daedalus,ProgramSlice -passes=daedalus -load-pass-plugin="$SHAREDOBJECTFILE" -dump-dot -S "$SOURCEFILENAMELL" -o "$SOURCEFILENAMEDLL" &>> "$TRANSFORMATIONLOGFILE"
+
+echo "opt -stats -debug-only=daedalus,ProgramSlice -passes=daedalus -load-pass-plugin=\"$SHAREDOBJECTFILE\" -dump-dot -S \"$SOURCEFILENAMELL\" -o \"$SOURCEFILENAMEDLL\" &>> \"$TRANSFORMATIONLOGFILE\""
+if ! opt -stats -debug-only=daedalus,ProgramSlice -passes=daedalus -load-pass-plugin="$SHAREDOBJECTFILE" -dump-dot -S "$SOURCEFILENAMELL" -o "$SOURCEFILENAMEDLL" &>> "$TRANSFORMATIONLOGFILE"; then
+    echo "opt exited with error code $?"
+    echo "Dumping last 50 lines of the transformation log file:"
+    tail --lines 50 "$TRANSFORMATIONLOGFILE"
+fi
+
+echo "clang $EXTRAPARAMS -Os \"$SOURCEFILENAMEDLL\" -o \"$FINAL_EXECUTABLE\""
 clang $EXTRAPARAMS -Os "$SOURCEFILENAMEDLL" -o "$FINAL_EXECUTABLE"
 
 if [ -e "$FINAL_EXECUTABLE" ]; then