[LLVM] Bump to 0dff52ba9 (#144)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: bump-llvm[bot]

.github/actions/setup_base/action.yml

@@ -13,6 +13,12 @@ inputs:
   arch:
     required: true
     description: ''
+  container:
+    required: false
+    description: ''
+  runs-on:
+    required: false
+    description: ''
   cache-key:
     required: true
     description: ''
@@ -40,6 +46,33 @@ runs:
         timezoneMacos: "Asia/Singapore"
         timezoneWindows: "Singapore Standard Time"
 
+    - name: "Clean ubuntu"
+      if: (inputs.container && startsWith(inputs.runs-on, 'ubuntu'))
+      shell: bash
+      run: |
+        
+        echo "before"
+        df -h
+        rm -rf $GH_HOST_DIR/usr/local/lib/android
+        rm -rf $GH_HOST_DIR/usr/share/dotnet
+        rm -rf $GH_HOST_DIR/opt/ghc
+        rm -rf $GH_HOST_DIR/$AGENT_TOOLSDIRECTORY
+        # i don't know why chroot doesn't work? it should?
+        # chroot /ghhost
+        # apt-get remove -y '^aspnetcore-.*'
+        # apt-get remove -y '^dotnet-.*'
+        # apt-get remove -y '^llvm-.*'
+        # apt-get remove -y 'php.*'
+        # apt-get remove -y '^mongodb-.*'
+        # apt-get remove -y '^mysql-.*'
+        # apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel libgl1-mesa-dri
+        # apt-get remove -y google-cloud-sdk || sudo apt-get remove -y google-cloud-cli || true
+        # apt-get autoremove -y
+        # apt-get clean
+        # docker image prune --all --force
+        echo "after"
+        df -h
+
     # notes for next time i bash my head against this:
     # 1. github.workspace and $GITHUB_WORKSPACE are different between container actions and non-container actions
     # 2. action/save-restore claims it expands ~ but that's a lie

.github/workflows/build_llvm.yml

@@ -102,6 +102,12 @@ jobs:
 
     container:
       image: ${{ matrix.container }}
+      volumes:
+        - /:/ghhost
+      options: --privileged --pid=host --ipc=host
+      env:
+        AGENT_TOOLSDIRECTORY: ${{ env.AGENT_TOOLSDIRECTORY }}
+        GH_HOST_DIR: "/ghhost"
 
     steps:
       - name: "Check out repository"
@@ -117,6 +123,8 @@ jobs:
           restore-key: "mlir_${{ matrix.name }}_clang"
           os: ${{ matrix.os }}
           arch: ${{ matrix.arch }}
+          container: ${{ matrix.container }}
+          runs-on: ${{ matrix.runs-on }}
 
       - name: "Build LLVM and MLIR"
         id: build