Add caching for linter

Author: badumbatish

.github/workflows/clang-cir-lint.yml

@@ -32,6 +32,11 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 2
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@63069e3931dedbf3b63792097479563182fe70d1 # v1.2.18
+        with:
+          variant: "sccache"
+          max-size: "2000M"
       - name: Configure and CodeGen
         run: |
           cmake -G Ninja \
@@ -46,7 +51,10 @@ jobs:
                 -DCLANG_INCLUDE_TESTS=OFF \
                 -DMLIR_INCLUDE_TESTS=OFF \
                 -DCMAKE_BUILD_TYPE=Release \
-                -DLLVM_TARGETS_TO_BUILD=host
+                -DLLVM_TARGETS_TO_BUILD=host \
+                -DCMAKE_C_COMPILER_LAUNCHER=sccache \
+                -DCMAKE_CXX_COMPILER_LAUNCHER=sccache \
+                -DCLANG_ENABLE_CIR=ON
 
           ninja -C build