github: rework clang-compilation CI

.github/workflows/clang-compilation.yml

@@ -1,61 +1,139 @@
 name: Clang (LLVM) intrinsic test case compilation
-on: [push]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch: # Allows manual triggering of the workflow
 
 jobs:
-  build:
+  build-and-test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        llvm-version: ["main", "latest-rel"]
+        llvm-version: [latest-rel]
+
+    env:
+      COMPILER: llvm-project/build/bin/clang
+      EXTRA_CFLAGS: "-target riscv64"
+
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - name: Checkout rvv-intrinsic-doc
+        uses: actions/checkout@v4
         with:
-          python-version: '3.11'
-      - name: Prerequisites
-        run: |
-          sudo apt-get install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev ninja-build git cmake libglib2.0-dev dejagnu
-      - name: Install dependencies
-        run: |
-          pip install --user junitparser
-      - name: Download LLVM
+          repository: riscv-non-isa/rvv-intrinsic-doc
+          path: rvv-intrinsic-doc
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Install Python dependencies
         run: |
-          cd ..
-          rm -rf llvm-project
-          git clone https://github.com/llvm/llvm-project -j `nproc`
-      - name: Checkout LLVM version
+          pip install junitparser
+        working-directory: ${{ github.workspace }}
+
+      - name: Set up LLVM (latest release)
+        if: matrix.llvm-version == 'latest-rel'
         run: |
-          cd ../llvm-project
-          if [ "${{ matrix.llvm-version }}" = "latest-rel" ]; then
-            latestTag=$(git describe --tags `git rev-list --tags --max-count=1`)
-            git checkout $latestTag
+          latest_release=$(curl -sL https://api.github.com/repos/llvm/llvm-project/releases/latest)
+          download_url=$(echo "$latest_release" | jq -r '.assets[] | select(.name | endswith("Linux-X64.tar.xz")) | .browser_download_url')
+          if [ -z "$download_url" ]; then
+            echo "Error: Could not find Linux X64 tarball URL"
+            exit 1
           fi
-      - name: Build LLVM with Ninja
+          filename=$(basename "$download_url")
+          echo "Downloading $filename..."
+          curl -sL -o "$filename" "$download_url"
+          tar xf "$filename"
+          extracted_dir=$(tar tf "$filename" | head -1 | cut -f1 -d"/")
+          # Set the COMPILER environment variable
+          echo "COMPILER=${{ github.workspace }}/$extracted_dir/bin/clang" >> $GITHUB_ENV
+        working-directory: ${{ github.workspace }}
+
+      - name: Install prerequisites (main)
+        if: matrix.llvm-version == 'main'
         run: |
-          cd ../llvm-project
-          mkdir build && cd build
-          cmake -G Ninja \
-            -DCMAKE_C_COMPILER=gcc \
-            -DCMAKE_CXX_COMPILER=g++ \
-            -DLLVM_TARGETS_TO_BUILD="RISCV" \
-            -DLLVM_PARALLEL_LINK_JOBS=12 \
+          sudo apt-get update
+          sudo apt-get install -y ninja-build
+        working-directory: ${{ github.workspace }}
+
+      - name: Checkout LLVM (main)
+        if: matrix.llvm-version == 'main'
+        uses: actions/checkout@v4
+        with:
+          repository: llvm/llvm-project
+          path: llvm-project
+          fetch-depth: 1
+
+      - name: Configure & Build LLVM (main)
+        if: matrix.llvm-version == 'main'
+        run: |
+          mkdir -p build && cd build
+          cmake -G Ninja ../llvm \
+            -DCMAKE_C_COMPILER=`which clang` \
+            -DCMAKE_CXX_COMPILER=`which clang++` \
             -DCMAKE_BUILD_TYPE=Release \
-            -DBUILD_SHARED_LIBS=OFF \
-            -DLLVM_DEFAULT_TARGET_TRIPLE="riscv64-unknown-linux-gnu" \
-            -DLLVM_ENABLE_PROJECTS="clang;lld" \
-            ../llvm
-          ninja -j `nproc`
-          echo $(pwd)
-          ls bin
-      - name: Run compilation test, non-overloaded intrinsics (default (TAMA) policy)
+            -DLLVM_ENABLE_PROJECTS="clang" \
+            -DLLVM_TARGETS_TO_BUILD="RISCV" \
+            -DLLVM_DEFAULT_TARGET_TRIPLE="riscv64-unknown-linux-gnu"
+          ninja
+        working-directory: llvm-project
+
+      - name: Test1
+        shell: 'script --return --quiet --log-out /dev/null --command "bash -e {0}"'
         run: |
-          make -C rvv-intrinsic-generator run-api-testing run-bfloat16-api-testing run-vector-crypto-api-testing COMPILER=$(pwd)/../llvm-project/build/bin/clang EXTRA_CFLAGS="-target riscv64"
-      - name: Run compilation test, overloaded intrinsics (default (TAMA) policy)
+          make -C rvv-intrinsic-generator run-vector-crypto-api-testing SHELL="bash -x"
+        continue-on-error: true
+        working-directory: rvv-intrinsic-doc
+
+      - name: Test2
+        shell: 'script -q -e -c "bash --noprofile --norc -eo pipefail {0}"'
         run: |
-          make -C rvv-intrinsic-generator run-overloaded-api-testing run-bfloat16-overloaded-api-testing run-vector-crypto-overloaded-api-testing COMPILER=$(pwd)/../llvm-project/build/bin/clang EXTRA_CFLAGS="-target riscv64"
-      - name: Run compilation test, non-overloaded intrinsics (non-default policy)
+          make -C rvv-intrinsic-generator run-vector-crypto-api-testing SHELL="bash -x"
+        continue-on-error: true
+        working-directory: rvv-intrinsic-doc
+
+      - name: Test3
+        shell: script -q -e -c "$(printf "'%s' " "$@")"
         run: |
-          make -C rvv-intrinsic-generator run-policy-api-testing run-bfloat16-policy-api-testing run-vector-crypto-policy-api-testing COMPILER=$(pwd)/../llvm-project/build/bin/clang EXTRA_CFLAGS="-target riscv64"
-      - name: Run compilation test, overloaded intrinsics (non-default policy)
+          make -C rvv-intrinsic-generator run-vector-crypto-api-testing SHELL="bash -x"
+        continue-on-error: true
+        working-directory: rvv-intrinsic-doc
+
+      - name: show log
+        # shell: 'script --return --quiet --log-out /dev/null --command "bash -e {0}"'
+        shell: bash
+        if: always()
         run: |
-          make -C rvv-intrinsic-generator run-policy-overloaded-api-testing run-bfloat16-policy-overloaded-api-testing run-vector-crypto-policy-overloaded-api-testing COMPILER=$(pwd)/../llvm-project/build/bin/clang EXTRA_CFLAGS="-target riscv64"
+          ls -al auto-generated/vector-crypto/api-testing/
+          cat auto-generated/vector-crypto/api-testing/*.log
+        continue-on-error: true
+        working-directory: rvv-intrinsic-doc
+
+      # - name: Run compilation test, non-overloaded intrinsics (default (TAMA) policy)
+      #   run: |
+      #     set -e  # Exit on any error
+      #     make -C rvv-intrinsic-generator run-api-testing run-bfloat16-api-testing run-vector-crypto-api-testing
+      #   working-directory: rvv-intrinsic-doc
+
+      # - name: Run compilation test, overloaded intrinsics (default (TAMA) policy)
+      #   run: |
+      #     set -e  # Exit on any error
+      #     make -C rvv-intrinsic-generator run-overloaded-api-testing run-bfloat16-overloaded-api-testing run-vector-crypto-overloaded-api-testing
+      #   working-directory: rvv-intrinsic-doc
+
+      # - name: Run compilation test, non-overloaded intrinsics (non-default policy)
+      #   run: |
+      #     set -e  # Exit on any error
+      #     make -C rvv-intrinsic-generator run-policy-api-testing run-bfloat16-policy-api-testing run-vector-crypto-policy-api-testing
+      #   working-directory: rvv-intrinsic-doc
+
+      # - name: Run compilation test, overloaded intrinsics (non-default policy)
+      #   run: |
+      #     set -e  # Exit on any error
+      #     make -C rvv-intrinsic-generator run-policy-overloaded-api-testing run-bfloat16-policy-overloaded-api-testing run-vector-crypto-policy-overloaded-api-testing
+      #   working-directory: rvv-intrinsic-doc

rvv-intrinsic-generator/Makefile.api

@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 ###############################################################################
+SHELL := /bin/bash
 
 CFLAGS?=-O -Werror=implicit-function-declaration -menable-experimental-extensions
 ARCH_FLAG?=-march=rv64gcv_zfh_zvbb_zvbc_zvfbfmin_zvfbfwma_zvfh_zvkng_zvksg_zvl512b
@@ -39,4 +40,6 @@ clean:
 	rm -f test_report.xml
 
 %.log: $(BASE_DIR)/%.c
-	-$(CC) $< -S -o /dev/null $(ARCH_FLAG) $(CFLAGS) $(EXTRA_CFLAGS) &> $@
+	@echo "Testing $<..."
+	-bash -c "$(CC) $< -S -o /dev/null $(ARCH_FLAG) $(CFLAGS) $(EXTRA_CFLAGS)" 2>&1 | tee $@
+	@echo "Completed testing $< (log size: $$(wc -c < $@))"