fix CI (hopefully)

.github/actions/prepare-mlir-cache/action.yml

@@ -0,0 +1,54 @@
+name: Prepare MLIR Cache
+description: Restore or build the cached MLIR toolchain.
+
+inputs:
+  llvm-commit:
+    description: LLVM commit to build.
+    required: true
+  mold-linker-flags:
+    description: Linker flags used to force mold.
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Restore MLIR cache
+      id: restore-mlir-cache
+      uses: actions/cache/restore@v4
+      with:
+        path: onnx-mlir/llvm-project
+        key: mlir-${{ runner.os }}-${{ inputs.llvm-commit }}
+
+    - name: Clone LLVM
+      if: steps.restore-mlir-cache.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        git clone --filter=blob:none --no-checkout https://github.com/llvm/llvm-project.git onnx-mlir/llvm-project
+        cd onnx-mlir/llvm-project
+        git fetch --depth 1 origin ${{ inputs.llvm-commit }}
+        git checkout FETCH_HEAD
+
+    - name: Build MLIR
+      if: steps.restore-mlir-cache.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        cmake -S onnx-mlir/llvm-project/llvm -B onnx-mlir/llvm-project/build -G Ninja \
+          -DLLVM_ENABLE_PROJECTS="mlir;clang" \
+          -DLLVM_ENABLE_RUNTIMES="openmp" \
+          -DLLVM_TARGETS_TO_BUILD="host" \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DLLVM_ENABLE_ASSERTIONS=ON \
+          -DLLVM_ENABLE_RTTI=ON \
+          -DENABLE_LIBOMPTARGET=OFF \
+          -DLLVM_ENABLE_LIBEDIT=OFF \
+          -DCMAKE_EXE_LINKER_FLAGS="${{ inputs.mold-linker-flags }}" \
+          -DCMAKE_SHARED_LINKER_FLAGS="${{ inputs.mold-linker-flags }}" \
+          -DCMAKE_MODULE_LINKER_FLAGS="${{ inputs.mold-linker-flags }}"
+        cmake --build onnx-mlir/llvm-project/build
+
+    - name: Save MLIR cache
+      if: steps.restore-mlir-cache.outputs.cache-hit != 'true'
+      uses: actions/cache/save@v4
+      with:
+        path: onnx-mlir/llvm-project
+        key: mlir-${{ runner.os }}-${{ inputs.llvm-commit }}

.github/actions/prepare-protobuf-cache/action.yml

@@ -0,0 +1,45 @@
+name: Prepare Protobuf Cache
+description: Restore or build the cached protobuf installation.
+
+inputs:
+  protobuf-commit:
+    description: Protobuf tag or commit to build.
+    required: true
+  mold-linker-flags:
+    description: Linker flags used to force mold.
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Restore protobuf cache
+      id: restore-protobuf-cache
+      uses: actions/cache/restore@v4
+      with:
+        path: |
+          /usr/local/lib/libproto*
+          /usr/local/include/google/protobuf
+        key: protobuf-${{ runner.os }}-${{ inputs.protobuf-commit }}
+
+    - name: Install protobuf
+      if: steps.restore-protobuf-cache.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        git clone --depth 1 --branch ${{ inputs.protobuf-commit }} https://github.com/protocolbuffers/protobuf
+        cmake -S protobuf -B protobuf/build -G Ninja \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_EXE_LINKER_FLAGS="${{ inputs.mold-linker-flags }}" \
+          -DCMAKE_SHARED_LINKER_FLAGS="${{ inputs.mold-linker-flags }}" \
+          -DCMAKE_MODULE_LINKER_FLAGS="${{ inputs.mold-linker-flags }}"
+        cmake --build protobuf/build
+        sudo cmake --install protobuf/build
+        rm -rf protobuf
+
+    - name: Save protobuf cache
+      if: steps.restore-protobuf-cache.outputs.cache-hit != 'true'
+      uses: actions/cache/save@v4
+      with:
+        path: |
+          /usr/local/lib/libproto*
+          /usr/local/include/google/protobuf
+        key: protobuf-${{ runner.os }}-${{ inputs.protobuf-commit }}

.github/actions/restore-raptor-build-cache/action.yml

@@ -0,0 +1,26 @@
+name: Restore Raptor Build Cache
+description: Restore the cached raptor build directory for incremental builds.
+
+inputs:
+  key:
+    description: Exact cache key to restore.
+    required: true
+  restore-keys:
+    description: Prefixes used to restore the most recent compatible cache.
+    required: false
+
+outputs:
+  cache-hit:
+    description: Whether the exact cache key was restored.
+    value: ${{ steps.restore-raptor-build-cache.outputs.cache-hit }}
+
+runs:
+  using: composite
+  steps:
+    - name: Restore raptor build cache
+      id: restore-raptor-build-cache
+      uses: actions/cache/restore@v4
+      with:
+        path: build
+        key: ${{ inputs.key }}
+        restore-keys: ${{ inputs.restore-keys }}

.github/actions/save-raptor-build-cache/action.yml

@@ -0,0 +1,16 @@
+name: Save Raptor Build Cache
+description: Save the raptor build directory after a successful incremental build.
+
+inputs:
+  key:
+    description: Cache key used to save the build directory.
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Save raptor build cache
+      uses: actions/cache/save@v4
+      with:
+        path: build
+        key: ${{ inputs.key }}