ci: support python binding build (#168)

Author: WangJialei-A

.github/workflows/build-llvm.yml

@@ -8,7 +8,7 @@ permissions: read-all
 jobs:
   build:
     name: Build
-    runs-on: [self-hosted]
+    runs-on: [self-hosted, 0.0.1]
 
     steps:
       - uses: actions/checkout@v4
@@ -24,8 +24,9 @@ jobs:
 
       - name: Build
         run: |
+          python3 -m pip install -r mlir/python/requirements.txt
           mkdir llvm-install
-          cmake -G Ninja llvm -B build -DCMAKE_INSTALL_PREFIX=llvm-install \
+          cmake -G Ninja llvm -B build -DCMAKE_INSTALL_PREFIX=llvm-install -DMLIR_ENABLE_BINDINGS_PYTHON=ON -DPython3_EXECUTABLE=$(which python3) \
             -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=true -DLLVM_ENABLE_PROJECTS="mlir" -DLLVM_TARGETS_TO_BUILD="X86" -DLLVM_INSTALL_UTILS=true -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DLLVM_INSTALL_GTEST=ON
           cmake --build build --target install
           cd llvm-install

.github/workflows/build.yml

@@ -21,6 +21,22 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Set LLVM hash
+        run: |
+          echo LLVM_HASH=$(cat cmake/llvm-version.txt) >>$GITHUB_ENV
+
+      - name: Fetch requirements for python binding
+        uses: actions/checkout@v4
+        with:
+          repository: llvm/llvm-project
+          ref: ${{ env.LLVM_HASH }}
+          sparse-checkout: mlir/python/requirements.txt
+          sparse-checkout-cone-mode: false
+          path: llvm-dep
+
+      - name: Install requirements
+        run: python3 -m pip install -r llvm-dep/mlir/python/requirements.txt
+
       - name: Build
         run: |
           scripts/compile.sh