[llvm] ids-check: Update the workflow and script (PR #199710)

[Aiden Grossman via llvm-commits]

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@@ -46,41 +46,70 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo apt install -y clang-19 ninja-build libclang-19-dev
+          # Pull a recent clang from LLVM's apt repo so idt's parser stays in
+          # sync with the C++ language features used by current LLVM source.
+          sudo install -d -m 0755 /etc/apt/keyrings
+          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key \
+            | sudo gpg --dearmor -o /etc/apt/keyrings/llvm.gpg
+          echo "deb [signed-by=/etc/apt/keyrings/llvm.gpg] http://apt.llvm.org/noble/ llvm-toolchain-noble-22 main" \
+            | sudo tee /etc/apt/sources.list.d/llvm.list
+          sudo apt update
+          # oprofile provides opagent.h, used by llvm/ExecutionEngine/OProfileWrapper.h
+          sudo apt install -y clang-22 lld-22 ninja-build libclang-22-dev oprofile
           pip install --require-hashes -r ${{ github.workspace }}/llvm-project/llvm/utils/git/requirements.txt
 
       - name: Configure and build minimal LLVM for use by ids
         run: |
           cmake -B ${{ github.workspace }}/llvm-project/build/ \
                 -S ${{ github.workspace }}/llvm-project/llvm/ \
                 -D CMAKE_BUILD_TYPE=Release \
-                -D CMAKE_C_COMPILER=clang \
-                -D CMAKE_CXX_COMPILER=clang++ \
+                -D CMAKE_C_COMPILER=clang-22 \
+                -D CMAKE_CXX_COMPILER=clang++-22 \
                 -D LLVM_ENABLE_PROJECTS=clang \
                 -D LLVM_TARGETS_TO_BUILD="host" \
+                -D LLVM_INCLUDE_TESTS=OFF \
+                -D LLVM_INCLUDE_BENCHMARKS=OFF \
                 -D CMAKE_EXPORT_COMPILE_COMMANDS=ON \
+                -D CMAKE_DISABLE_PRECOMPILE_HEADERS=ON \
                 -G Ninja
-          cd ${{ github.workspace }}/llvm-project/build/
-          ninja -t targets all | grep "CommonTableGen: phony$" | grep -v "/" | sed 's/:.*//'
 
-      - name: Configure ids
+          # Build the generated-header prerequisites that idt needs to parse
+          # LLVM source.
+          BUILD_DIR=${{ github.workspace }}/llvm-project/build
+          ninja -C "$BUILD_DIR" \
+            llvm_vcsrevision_h \
+            intrinsics_gen omp_gen acc_gen analysis_gen target_parser_gen vt_gen \
+            DllOptionsTableGen LibOptionsTableGen \
+            clang-tablegen-targets \
----------------
boomanaiden154 wrote:

An aside: It would be nice at some point to have a `generated-headers` target or something. There are a bunch of CI workflows that need to duplicate this to build generated headers.

https://github.com/llvm/llvm-project/pull/199710