Fix llvm ci build

Author: oowekyala

.github/workflows/build-llvm.sh

@@ -51,7 +51,7 @@ fi
 if [[ ! -d "$llvm_path" ]]; then
   if [[ "$checkout_and_build_llvm" -eq 1 ]]; then
     status "Checking out LLVM"
-    git clone https://github.com/h4midf/llvm-project.git --depth 1 --branch cinnamon-esweek-llvm "$llvm_path"
+    print_and_run git clone https://github.com/oowekyala/llvm-project.git --depth 1 --branch tilefirst-llvm "$llvm_path"
   else
     error "LLVM path '$llvm_path' does not exist. Set checkout_and_build_llvm=1 to clone, or create it manually."
     exit 1

.github/workflows/build_and_test.yml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Install build dependencies
         run:
-          sudo apt-get install clang ninja-build mold libvulkan-dev python3.12-dev
+          sudo apt-get install clang ninja-build mold libvulkan-dev python3.12-dev ccache
 
       - name: Restore runtime cache
         id: runtimes-cache-restore
@@ -37,7 +37,7 @@ jobs:
         uses: actions/cache/restore@v3
         with:
           path: third-party/llvm
-          key: cinnamon-llvm-${{ runner.os }}
+          key: cinnamon-llvm-3-${{ runner.os }}
 
       - name: Restore torch-mlir cache
         id: torch-mlir-cache-restore