.gitlab-ci.yml

# Copyright 2021 ETH Zurich and University of Bologna.
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# Author: Noah Huetter <huettern@iis.ee.ethz.ch>, ETH Zurich

########################################
## Environment
########################################

# Variables must coincide with Memora.yml
variables:
  WORK: ${CI_PROJECT_DIR}/.gitlab-ci.d/work
  SRC: ${CI_PROJECT_DIR}
  NEWLIB_VERS: 3.3.0
  TRIPLE: riscv32-iis-llvm
  LLVM_VERSION: 12.0.1

workflow:
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
    - if: '$CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS'
      when: never # avoid duplicate branch and merge request pipelines
    - if: '$CI_COMMIT_BRANCH'

stages:
  - tools
  - build
  - test
  - package
  - deploy

########################################
## Build stage
########################################

tc-llvm:
  stage: build
  needs: []
  script:
    - |
      if ! $CI_PROJECT_DIR/.gitlab-ci.d/memora_retry.sh lookup tc-llvm; then
        make -C ${CI_PROJECT_DIR}/.gitlab-ci.d tc-llvm
        make -C ${CI_PROJECT_DIR}/.gitlab-ci.d tc-llvm-newlib
        make -C ${CI_PROJECT_DIR}/.gitlab-ci.d tc-llvm-crt
        $CI_PROJECT_DIR/.gitlab-ci.d/memora_retry.sh insert tc-llvm
      fi

# Build most recent banshee and upload as artifact
banshee:
  stage: build
  needs: []
  before_script:
    - |
    - rustup toolchain install 1.50.0
    - rustup override set 1.50.0 
    - rustc --version
    - cargo --version
    - export CC=gcc-9.2.0
    - export CXX=g++-9.2.0
    - export LLVM_SYS_100_PREFIX=/usr/pack/llvm-10.0.1-af
    - export LLVM_SYS_120_PREFIX=/usr/pack/llvm-12.0.1-af
    - export CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=/usr/pack/gcc-9.2.0-af/linux-x64/bin/gcc
    - git clone --depth 1 git@github.com:pulp-platform/snitch.git ${WORK}/snitch
  script:
    - cd ${WORK}/snitch/sw/banshee
    - cargo build
    - cargo install --debug --path . --root ${WORK}/install
  artifacts:
    paths:
      - ${WORK}/install/bin/banshee

########################################
## Test stage
########################################

# Runs a test discovery on newly added regression tests and runs them
# Re-build entire LLVM
llvm-new:
  stage: test
  needs: []
  before_script:
    - make -C ${CI_PROJECT_DIR}/.gitlab-ci.d tc-llvm
  script:
    - make -C ${CI_PROJECT_DIR}/.gitlab-ci.d LLVM_BASE=llvmorg-${LLVM_VERSION} test-llvm-new

# Use the built TC to build the snitch runtime and test it on banshee
snitch-runtime-banshee:
  stage: test
  needs:
    - banshee
    - tc-llvm
  dependencies: 
    - banshee
  before_script:
    - $CI_PROJECT_DIR/.gitlab-ci.d/memora_retry.sh get tc-llvm
    - git clone --depth 1 git@github.com:pulp-platform/snitch.git ${WORK}/snitch
  script:
    - cd ${WORK}/snitch/sw/snRuntime
    - mkdir build; cd build
    - export PATH=${WORK}/install/bin:${PATH}
    - cmake-3.18.1 -DCMAKE_TOOLCHAIN_FILE=toolchain-llvm -DBUILD_TESTS=ON .. 
    - make -j`nproc`
    - ctest -j`nproc`

hero:
  stage: test
  needs: []
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
  trigger:
    project: hero/hero
    strategy: depend
  allow_failure: true
  inherit:
    variables: false
  variables:
    DOWNSTREAM: "true"
    SUBMODULE_NAME: $CI_PROJECT_NAME
    SUBMODULE_COMMIT_SHA: $CI_COMMIT_SHA

########################################
## Package stage
########################################

dist:
  stage: package
  needs:
    - tc-llvm
  before_script:
    - export PKGVERS=${TRIPLE}-centos7-${LLVM_VERSION}-$(git rev-parse --short HEAD)
    - echo ${PKGVERS}
    - $CI_PROJECT_DIR/.gitlab-ci.d/memora_retry.sh get tc-llvm
  script:
    - tar -czf ${PKGVERS}.tar.gz --transform s/^install/${PKGVERS}/ ${WORK}/install
  artifacts:
    paths:
      - "*.tar.gz"

########################################
## Deploy stage
########################################