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.github/workflows/ci-mlir.yml

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+# This workflow will install MLIR, Python dependencies, run tests and lint with a single version of Python
+
+name: CI - MLIR-based Testing
+
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the main branch
+  push:
+    branches:
+      - main
+      - mlir_based_ci
+      - mlir-based-ci5
+  pull_request:
+    branches:
+      - main
+      - mlir_based_ci
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: ['3.10']
+
+    env:
+      LLVM_SYMBOLIZER_PATH: /usr/lib/llvm-11/bin/llvm-symbolizer
+      MLIR-Version: 74992f4a5bb79e2084abdef406ef2e5aa2024368
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Python Setup
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Clang Setup
+      uses: egor-tensin/setup-clang@v1
+
+    - name: Ninja Setup
+      uses: llvm/actions/install-ninja@main
+
+    - name: CCache Setup (C++ compilation)
+      uses: hendrikmuhs/ccache-action@v1.2.5
+      with:
+        key: ${{ runner.os }}-${{ env.MLIR-Version }}
+        restore-keys: ${{ runner.os }}-${{ env.MLIR-Version }}
+        # LLVM needs serious cache size
+        max-size: 6G
+
+    - name: Checkout project
+      uses: actions/checkout@v3
+      with:
+        path: xdsl
+
+    - name: Checkout MLIR
+      uses: actions/checkout@v3
+      with:
+        repository: llvm/llvm-project.git
+        path: llvm-project
+        ref: ${{ env.MLIR-Version }}
+
+    - name: Upgrade pip
+      run: |
+        pip install --upgrade pip
+
+    - name: Install the package locally
+      run: |
+        pip install -e ${GITHUB_WORKSPACE}/xdsl
+
+    - name: MLIR Build Setup
+      run: |
+        pip install -r ${GITHUB_WORKSPACE}/llvm-project/mlir/python/requirements.txt
+        mkdir llvm-project/build
+        cd llvm-project/build
+        cmake -G Ninja ../llvm -DLLVM_ENABLE_PROJECTS=mlir -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_ENABLE_LLD=ON -DMLIR_ENABLE_BINDINGS_PYTHON=ON -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+
+    - name: MLIR Build
+      run: |
+        cd llvm-project/build
+        cmake --build . --target mlir-opt MLIRPythonModules
+
+    - name: Test
+      run: |
+        # Add the Python Bindings to the pythonpath
+        export PYTHONPATH=$PYTHONPATH:${GITHUB_WORKSPACE}/llvm-project/build/tools/mlir/python_packages/mlir_core
+        # Add mlir-opt to the path
+        export PATH=$PATH:${GITHUB_WORKSPACE}/llvm-project/build/bin/
+        lit -v ${GITHUB_WORKSPACE}/xdsl/tests/filecheck/mlir-conversion/with-bindings/