script.sh

#!/bin/bash

set -ex

# Only run the stage 1 tests on merges, not on PR CI jobs.
if [[ -z "${PR_CI_JOB}" ]]; then
     ../x.py --stage 1 test --skip src/tools/tidy && \
     # Run the `mir-opt` tests again but this time for a 32-bit target.
     # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have
     # both 32-bit and 64-bit outputs updated by the PR author, before
     # the PR is approved and tested for merging.
     # It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`,
     # despite having different output on 32-bit vs 64-bit targets.
     ../x.py --stage 1 test tests/mir-opt \
          --host='' --target=i686-unknown-linux-gnu && \
     # Run `ui-fulldeps` in `--stage=1`, which actually uses the stage0
     # compiler, and is sensitive to the addition of new flags.
     ../x.py --stage 1 test tests/ui-fulldeps
fi

# NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux.
../x.py --stage 2 test --skip src/tools/tidy && \
     # Run the `mir-opt` tests again but this time for a 32-bit target.
     # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have
     # both 32-bit and 64-bit outputs updated by the PR author, before
     # the PR is approved and tested for merging.
     # It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`,
     # despite having different output on 32-bit vs 64-bit targets.
     ../x --stage 2 test tests/mir-opt \
                       --host='' --target=i686-unknown-linux-gnu && \
     # Run the UI test suite again, but in `--pass=check` mode
     #
     # This is intended to make sure that both `--pass=check` continues to
     # work.
     #
     ../x.ps1 --stage 2 test tests/ui --pass=check \
                       --host='' --target=i686-unknown-linux-gnu