---
# This workflow runs all of the compiler tests

name: Compiler Tests

on:
    # This is triggered weekly via the 'scheduler.yaml' workflow.
    workflow_dispatch:

jobs:
  # replication of compiler-tests.sh
    all-compilers:
        strategy:
            fail-fast: false
            matrix:
                image: [gcc-version-13, gcc-version-12, gcc-version-11, gcc-version-10, clang-version-16, clang-version-15, clang-version-14, clang-version-13,
                    clang-version-12, clang-version-11, clang-version-10, ubuntu-20.04_all-dependencies, ubuntu-22.04_all-dependencies, ubuntu-24.04_all-dependencies,
                    ubuntu-24.04_min-dependencies]
                opts: [.opt, .fast]
        runs-on: [self-hosted, linux, x64]
        timeout-minutes: 2880 # 48 hours
        container: ghcr.io/gem5/${{ matrix.image }}:latest
        steps:
            - uses: actions/checkout@v4
            - name: Compile build/ALL/gem5${{ matrix.opts }} with ${{ matrix.image }}
              run: /usr/bin/env python3 /usr/bin/scons --ignore-style build/ALL/gem5${{ matrix.opts }} -j$(nproc)
              timeout-minutes: 600 # 10 hours

  # Tests the two latest gcc and clang supported compilers against all gem5 compilations.
    latest-compilers-all-gem5-builds:
        strategy:
            fail-fast: false
            matrix:
                gem5-compilation: [ARM, ARM_MESI_Three_Level, ARM_MESI_Three_Level_HTM, ARM_MOESI_hammer, Garnet_standalone, MIPS, 'NULL', NULL_MESI_Two_Level,
                    NULL_MOESI_CMP_directory, NULL_MOESI_CMP_token, NULL_MOESI_hammer, POWER, RISCV, SPARC, X86, X86_MI_example, X86_MOESI_AMD_Base, VEGA_X86]
                image: [gcc-version-13, clang-version-16]
                opts: [.opt]
        runs-on: [self-hosted, linux, x64]
        timeout-minutes: 2880 # 48 hours
        container: ghcr.io/gem5/${{ matrix.image }}:latest
        steps:
            - uses: actions/checkout@v4
            - name: Compile build/${{ matrix.gem5-compilation }}/gem5${{ matrix.opts }} with ${{ matrix.image }}
              run: /usr/bin/env python3 /usr/bin/scons --ignore-style build/${{ matrix.gem5-compilation }}/gem5${{ matrix.opts }} -j$(nproc)
              timeout-minutes: 600 # 10 hours

    compiler-tests:
        # The dummy job is used to indicate whether the compiler tests have
        # passed or not. This can be used as status check for pull requests.
        # I.e., if we want to stop pull requests from being merged if the
        # compiler tests are failing, we can add this job as a required status
        # check.
        runs-on: ubuntu-latest
        needs:
            - latest-compilers-all-gem5-builds
            - all-compilers
        steps:
            - run: echo "This compiler tests have passed."