chore: Update CI workflow to add MLIR enabled build job

Signed-off-by: Roberto Raggi <[email protected]>

Author: robertoraggi

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   build-linux:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
@@ -67,6 +67,43 @@ jobs:
               $i
           done
 
+  build-linux-mlir:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install LLVM and MLIR deps
+        run: |
+          sudo apt-get -y update
+          sudo apt-get install -y \
+            llvm-18-dev \
+            libmlir-18-dev \
+            mlir-18-tools
+
+      - name: Install unit tests requirements
+        run: |
+          python3 -m venv .env
+          . .env/bin/activate
+          pip install -r tests/unit_tests/requirements.txt
+
+      - name: Build
+        run: |
+          . .env/bin/activate
+
+          cmake . \
+            -Bbuild \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCXX_ENABLE_MLIR=ON \
+            -DMLIR_DIR=/usr/lib/llvm-18/lib/cmake/mlir
+
+          cmake --build build
+
+      - name: Test
+        working-directory: build
+        run: |
+          ctest --output-on-failure
+
   build-windows:
     runs-on: windows-latest
 
@@ -89,7 +126,7 @@ jobs:
           ctest --verbose -C Release
 
   build-emscripten:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
@@ -173,7 +210,7 @@ jobs:
           done
 
   build-wasi:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
 
     env:
       WASMTIME_VERSION: 25.0.2
@@ -243,7 +280,7 @@ jobs:
           retention-days: 1
 
   release-please:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     if: false && github.repository == 'robertoraggi/cplusplus' && github.ref == 'refs/heads/main'
     steps:
       - uses: GoogleCloudPlatform/release-please-action@v3
@@ -258,7 +295,7 @@ jobs:
             templates/cxx-parse-esm/package.json
 
   build-storybook:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     needs: build-emscripten
     steps:
       - uses: actions/checkout@v4
@@ -297,7 +334,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
 
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - name: Deploy to GitHub Pages
         id: deployment

src/mlir/cxx/mlir/CMakeLists.txt

@@ -26,5 +26,6 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
     target_compile_options(cxx-mlir PRIVATE
         -Wno-unused-variable
         -Wno-covered-switch-default
+        -Wno-unused-but-set-variable
     )
 endif()