ruyisdk-qemu-rvv-tests.yml

name: RuyiSDK QEMU RVV Tests

on:
  workflow_dispatch:
  push:
    ignore-forks: true
    branches:
      - 'xtheadvector'
      - 'rebase-*'
    paths:
      - 'llvm/**'
      - 'clang/**'
      - '.github/workflows/ruyisdk-qemu-rvv-tests.yml'
  pull_request:
    ignore-forks: true
    branches:
      - 'xtheadvector'
      - 'rebase-*'
    paths:
      - 'llvm/**'
      - 'clang/**'
      - '.github/workflows/ruyisdk-qemu-rvv-tests.yml'

concurrency:
  # Skip intermediate builds: always.
  # Cancel intermediate builds: only if it is a pull request build.
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}

jobs:
  check_qemu:
    name: Test RVV
    runs-on: ubuntu-latest
    steps:
      - name: Setup RISCV GNU Toolchain
        uses: imkiva/setup-riscv-gnu-toolchain@latest
        with:
          version: '2024.04.12'
          arch: riscv64     # or riscv32
          libc: glibc       # or elf, musl
          compiler: gcc     # or llvm
          os: ubuntu-22.04  # or ubuntu-20.04
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'
      - name: Install Ninja
        uses: llvm/actions/install-ninja@main
      - name: Setup ccache
        uses: hendrikmuhs/ccache-action@v1
        with:
          max-size: 500M
          key: sccache-${{ matrix.os }}
          variant: sccache
      - name: Setup mold
        uses: rui314/setup-mold@v1
      - name: Checkout LLVM
        uses: actions/checkout@v3
        with:
          fetch-depth: 250
      - name: Build QEMU 6.2
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential libglib2.0-dev libpixman-1-dev liblzma-dev
          wget https://download.qemu.org/qemu-6.2.0.tar.xz
          tar -xf qemu-6.2.0.tar.xz
          pushd qemu-6.2.0
          ./configure --disable-curl --target-list=riscv32-softmmu,riscv64-softmmu,riscv32-linux-user,riscv64-linux-user
          make -j$(nproc)
          popd
      - name: Sanity check QEMU
        run: |
          ./qemu-6.2.0/build/qemu-riscv64 --version
          ./qemu-6.2.0/build/qemu-riscv64 -cpu rv64,x-v=true,vlen=256,elen=64,vext_spec=v0.7.1 -L $RISCV_SYSROOT --help
      - name: Build LLVM
        run: |
          mkdir -p llvm-build
          pushd llvm-build
          cmake -GNinja \
            -DCMAKE_BUILD_TYPE=Release \
            -DLLDB_INCLUDE_TESTS=OFF \
            -DBUILD_SHARED_LIBS=true \
            -DLLVM_ENABLE_PROJECTS="clang" \
            -DLLVM_TARGETS_TO_BUILD="RISCV" \
            -DLLVM_USE_LINKER=mold \
            -DDEFAULT_SYSROOT="$RISCV_SYSROOT" \
            -DLLVM_DEFAULT_TARGET_TRIPLE="riscv64-unknown-linux-gnu" \
            ../llvm
          ninja clang
          popd

      - name: Checkout rvv-intrinsic-doc
        uses: actions/checkout@master
        with:
          repository: riscv-non-isa/rvv-intrinsic-doc
          path: rvv-intrinsic-doc
      - name: Run RVV tests with QEMU
        run: |
          export QEMU_EXE=$PWD/qemu-6.2.0/build/qemu-riscv64
          export CLANG_EXE=$PWD/llvm-build/bin/clang
          
          ln -s $RISCV_HOME/lib/gcc llvm-build/lib/gcc
          
          pushd rvv-intrinsic-doc/examples
          TESTS=(
            # rvv_branch.c
            rvv_index.c
            # rvv_matmul.c
            rvv_memcpy.c
            # rvv_reduce.c
            rvv_saxpy.c
            rvv_sgemm.c
            rvv_strcmp.c
            rvv_strcpy.c
            rvv_strlen.c
            rvv_strncpy.c
          )
          for test in "${TESTS[@]}"; do
            echo "Compiling $test"
            $CLANG_EXE -march=rv64gc_xtheadvector -O1 $test -o ${test%%.*}
            echo "Running $test"
            $QEMU_EXE \
              -cpu rv64,x-v=true,vlen=256,elen=64,vext_spec=v0.7.1 \
              -L $RISCV_SYSROOT \
              ${test%%.*} 2>&1 | tee ${test%%.*}.log
            content="$(cat ${test%%.*}.log)"
            if [[ x"$content" != x"pass" ]]; then
              echo "Test $test failed with the following output"
              echo "$content"
              exit 1
            fi
          done
          popd