[Backend] Bump to llvm/llvm-project@0729a74e66a (triton-lang#9062)

* brings new rocdl ops
* adds CI step to clean space on Ubuntu runner

Author: ravil-mobile

.github/workflows/llvm-build.yml

@@ -93,6 +93,20 @@ jobs:
         key: ${{ matrix.config.target-os }}-${{ matrix.config.arch }}-${{ env.short_llvm_commit_hash }}
         restore-keys: ${{ matrix.config.target-os }}-${{ matrix.config.arch }}-
 
+    - name: Free disk space on Ubuntu
+      if: matrix.config.target-os == 'ubuntu'
+      run: |
+        df -h
+        echo "Removing large packages"
+        sudo apt-get remove -y 'php.*'
+        sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
+        sudo apt-get autoremove -y
+        sudo apt-get clean
+        df -h
+        echo "Removing large directories"
+        # deleting 15GB
+        df -h
+
     - name: Configure, Build, Test, and Install LLVM (Ubuntu and macOS x64)
       if: matrix.config.arch == 'x64' && (matrix.config.target-os == 'ubuntu' || matrix.config.target-os == 'macos')
       run: >

cmake/llvm-hash.txt

@@ -1 +1 @@
-8f264586d7521b0e305ca7bb78825aa3382ffef7
+0729a74e66aeeb7a9839d80bfd64fc49b2e69f52