Track LLVM Changes #945
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| name: Track LLVM Changes | |
| on: | |
| schedule: | |
| # 10:00 AM UTC is 3AM Pacific Time | |
| - cron: '0 10 * * *' | |
| # Run this workflow on pull requests which change this workflow | |
| pull_request: | |
| paths: | |
| - .github/workflows/trackLLVMChanges.yml | |
| workflow_dispatch: | |
| jobs: | |
| track-llvm-changes: | |
| name: Track LLVM Changes | |
| runs-on: ubuntu-20.04 | |
| steps: | |
| # Clone the CIRCT repo and its submodules. Do shallow clone to save clone | |
| # time. | |
| - name: Get CIRCT | |
| uses: actions/checkout@v2 | |
| with: | |
| fetch-depth: 2 | |
| submodules: "true" | |
| - name: Configure Project | |
| run: | | |
| mkdir build | |
| cd build | |
| cmake ../llvm/llvm \ | |
| -DLLVM_USE_LINKER=lld \ | |
| -DCMAKE_C_COMPILER=clang \ | |
| -DCMAKE_CXX_COMPILER=clang++ \ | |
| -DCMAKE_RULE_MESSAGES=OFF \ | |
| -DCMAKE_BUILD_TYPE=Debug \ | |
| -DBUILD_SHARED_LIBS=ON \ | |
| -DLLVM_ENABLE_PROJECTS=mlir \ | |
| -DLLVM_TARGETS_TO_BUILD=host \ | |
| -DLLVM_BUILD_EXAMPLES=OFF \ | |
| -DLLVM_INSTALL_UTILS=OFF \ | |
| -DLLVM_ENABLE_OCAMLDOC=OFF \ | |
| -DLLVM_ENABLE_BINDINGS=OFF \ | |
| -DLLVM_ENABLE_ASSERTIONS=ON \ | |
| -DLLVM_EXTERNAL_PROJECTS=circt \ | |
| -DLLVM_EXTERNAL_CIRCT_SOURCE_DIR=$PWD/.. | |
| - name: Build current LLVM commit | |
| id: build-current-llvm-commit | |
| run: | | |
| cd llvm | |
| echo "::set-output name=sha::$(git rev-parse HEAD)" | |
| cmake --build ../build --config Debug --target check-circt -- -j$(nproc) | |
| - name: Build latest LLVM commit | |
| id: build-latest-llvm-commit | |
| continue-on-error: true | |
| run: | | |
| cd llvm | |
| git fetch origin main | |
| git checkout --detach origin/main | |
| echo "::set-output name=sha::$(git rev-parse HEAD)" | |
| cmake --build ../build --config Debug --target check-circt -- -j$(nproc) | |
| - name: Bisect commits | |
| if: steps.build-latest-llvm-commit.outcome != 'success' | |
| run: | | |
| cd llvm | |
| git bisect start ${{ steps.build-latest-llvm-commit.outputs.sha }} ${{ steps.build-current-llvm-commit.outputs.sha }} -- mlir llvm | |
| git bisect run cmake --build ../build --config Debug --target check-circt -- -j$(nproc) | |
| # Summarize Results (re-run tests to make the log easier to parse) | |
| - name: Summarize Results | |
| if: steps.build-latest-llvm-commit.outcome != 'success' | |
| run: | | |
| cd llvm | |
| git bisect log | |
| FIRST_BAD_COMMIT=$(git bisect log | sed -n 's/# first bad commit: \[\([0-9a-f]*\)\].*/\1/p') | |
| git checkout $FIRST_BAD_COMMIT | |
| cmake --build ../build --config Debug --target check-circt -- -j$(nproc) | |
| # --- end of track-llvm-changes job. |