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path: root/compiler/rustc_codegen_gcc/test.sh
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#!/usr/bin/env bash

# TODO(antoyo): rewrite to cargo-make (or just) or something like that to only rebuild the sysroot when needed?

set -e

if [ -f ./gcc_path ]; then
    export GCC_PATH=$(cat gcc_path)
else
    echo 'Please put the path to your custom build of libgccjit in the file `gcc_path`, see Readme.md for details'
    exit 1
fi

export LD_LIBRARY_PATH="$GCC_PATH"
export LIBRARY_PATH="$GCC_PATH"

flags=
gcc_master_branch=1
channel="debug"
func=all
build_only=0

while [[ $# -gt 0 ]]; do
    case $1 in
        --release)
            codegen_channel=release
            shift
            ;;
        --release-sysroot)
            sysroot_channel=release
            shift
            ;;
        --no-default-features)
            gcc_master_branch=0
            flags="$flags --no-default-features"
            shift
            ;;
        --features)
            shift
            flags="$flags --features $1"
            shift
            ;;
        --release)
            channel="release"
            shift
            ;;
        "--test-rustc")
            func=test_rustc
            shift
            ;;

        "--test-libcore")
            func=test_libcore
            shift
            ;;

        "--clean-ui-tests")
            func=clean_ui_tests
            shift
            ;;

        "--std-tests")
            func=std_tests
            shift
            ;;

        "--extended-tests")
            func=extended_sysroot_tests
            shift
            ;;

        "--build-sysroot")
            func=build_sysroot
            shift
            ;;
        "--build")
            build_only=1
            shift
            ;;
        *)
            echo "Unknown option $1"
            exit 1
            ;;
    esac
done

if [[ $channel == "release" ]]; then
    export CHANNEL='release'
    CARGO_INCREMENTAL=1 cargo rustc --release $flags
    shift
else
    echo $LD_LIBRARY_PATH
    export CHANNEL='debug'
    cargo rustc $flags
fi

if (( $build_only == 1 )); then
    exit
fi

source config.sh

function clean() {
    rm -r target/out || true
    mkdir -p target/out/gccjit
}

function mini_tests() {
    echo "[BUILD] mini_core"
    $RUSTC example/mini_core.rs --crate-name mini_core --crate-type lib,dylib --target $TARGET_TRIPLE

    echo "[BUILD] example"
    $RUSTC example/example.rs --crate-type lib --target $TARGET_TRIPLE

    echo "[AOT] mini_core_hello_world"
    $RUSTC example/mini_core_hello_world.rs --crate-name mini_core_hello_world --crate-type bin -g --target $TARGET_TRIPLE
    $RUN_WRAPPER ./target/out/mini_core_hello_world abc bcd
}

function build_sysroot() {
    echo "[BUILD] sysroot"
    time ./build_sysroot/build_sysroot.sh
}

function std_tests() {
    echo "[AOT] arbitrary_self_types_pointers_and_wrappers"
    $RUSTC example/arbitrary_self_types_pointers_and_wrappers.rs --crate-name arbitrary_self_types_pointers_and_wrappers --crate-type bin --target $TARGET_TRIPLE
    $RUN_WRAPPER ./target/out/arbitrary_self_types_pointers_and_wrappers

    echo "[AOT] alloc_system"
    $RUSTC example/alloc_system.rs --crate-type lib --target "$TARGET_TRIPLE"

    echo "[AOT] alloc_example"
    $RUSTC example/alloc_example.rs --crate-type bin --target $TARGET_TRIPLE
    $RUN_WRAPPER ./target/out/alloc_example

    echo "[AOT] dst_field_align"
    # FIXME(antoyo): Re-add -Zmir-opt-level=2 once rust-lang/rust#67529 is fixed.
    $RUSTC example/dst-field-align.rs --crate-name dst_field_align --crate-type bin --target $TARGET_TRIPLE
    $RUN_WRAPPER ./target/out/dst_field_align || (echo $?; false)

    echo "[AOT] std_example"
    std_flags="--cfg feature=\"master\""
    if (( $gcc_master_branch == 0 )); then
        std_flags=""
    fi
    $RUSTC example/std_example.rs --crate-type bin --target $TARGET_TRIPLE $std_flags
    $RUN_WRAPPER ./target/out/std_example --target $TARGET_TRIPLE

    echo "[AOT] subslice-patterns-const-eval"
    $RUSTC example/subslice-patterns-const-eval.rs --crate-type bin -Cpanic=abort --target $TARGET_TRIPLE
    $RUN_WRAPPER ./target/out/subslice-patterns-const-eval

    echo "[AOT] track-caller-attribute"
    $RUSTC example/track-caller-attribute.rs --crate-type bin -Cpanic=abort --target $TARGET_TRIPLE
    $RUN_WRAPPER ./target/out/track-caller-attribute

    echo "[BUILD] mod_bench"
    $RUSTC example/mod_bench.rs --crate-type bin --target $TARGET_TRIPLE
}

# FIXME(antoyo): linker gives multiple definitions error on Linux
#echo "[BUILD] sysroot in release mode"
#./build_sysroot/build_sysroot.sh --release

function test_libcore() {
    pushd build_sysroot/sysroot_src/library/core/tests
    echo "[TEST] libcore"
    rm -r ./target || true
    ../../../../../cargo.sh test
    popd
}

#echo
#echo "[BENCH COMPILE] mod_bench"

#COMPILE_MOD_BENCH_INLINE="$RUSTC example/mod_bench.rs --crate-type bin -Zmir-opt-level=3 -O --crate-name mod_bench_inline"
#COMPILE_MOD_BENCH_LLVM_0="rustc example/mod_bench.rs --crate-type bin -Copt-level=0 -o target/out/mod_bench_llvm_0 -Cpanic=abort"
#COMPILE_MOD_BENCH_LLVM_1="rustc example/mod_bench.rs --crate-type bin -Copt-level=1 -o target/out/mod_bench_llvm_1 -Cpanic=abort"
#COMPILE_MOD_BENCH_LLVM_2="rustc example/mod_bench.rs --crate-type bin -Copt-level=2 -o target/out/mod_bench_llvm_2 -Cpanic=abort"
#COMPILE_MOD_BENCH_LLVM_3="rustc example/mod_bench.rs --crate-type bin -Copt-level=3 -o target/out/mod_bench_llvm_3 -Cpanic=abort"

## Use 100 runs, because a single compilations doesn't take more than ~150ms, so it isn't very slow
#hyperfine --runs ${COMPILE_RUNS:-100} "$COMPILE_MOD_BENCH_INLINE" "$COMPILE_MOD_BENCH_LLVM_0" "$COMPILE_MOD_BENCH_LLVM_1" "$COMPILE_MOD_BENCH_LLVM_2" "$COMPILE_MOD_BENCH_LLVM_3"

#echo
#echo "[BENCH RUN] mod_bench"
#hyperfine --runs ${RUN_RUNS:-10} ./target/out/mod_bench{,_inline} ./target/out/mod_bench_llvm_*

function extended_sysroot_tests() {
    if (( $gcc_master_branch == 0 )); then
        return
    fi

    pushd rand
    cargo clean
    echo "[TEST] rust-random/rand"
    ../cargo.sh test --workspace
    popd

    #pushd simple-raytracer
    #echo "[BENCH COMPILE] ebobby/simple-raytracer"
    #hyperfine --runs "${RUN_RUNS:-10}" --warmup 1 --prepare "cargo clean" \
    #"RUSTC=rustc RUSTFLAGS='' cargo build" \
    #"../cargo.sh build"

    #echo "[BENCH RUN] ebobby/simple-raytracer"
    #cp ./target/debug/main ./raytracer_cg_gcc
    #hyperfine --runs "${RUN_RUNS:-10}" ./raytracer_cg_llvm ./raytracer_cg_gcc
    #popd

    pushd regex
    echo "[TEST] rust-lang/regex example shootout-regex-dna"
    cargo clean
    export CG_RUSTFLAGS="--cap-lints warn" # newer aho_corasick versions throw a deprecation warning
    # Make sure `[codegen mono items] start` doesn't poison the diff
    ../cargo.sh build --example shootout-regex-dna
    cat examples/regexdna-input.txt \
        | ../cargo.sh run --example shootout-regex-dna \
        | grep -v "Spawned thread" > res.txt
    diff -u res.txt examples/regexdna-output.txt

    echo "[TEST] rust-lang/regex tests"
    ../cargo.sh test --tests -- --exclude-should-panic --test-threads 1 -Zunstable-options -q
    popd
}

function test_rustc() {
    echo
    echo "[TEST] rust-lang/rust"

    rust_toolchain=$(cat rust-toolchain | grep channel | sed 's/channel = "\(.*\)"/\1/')

    git clone https://github.com/rust-lang/rust.git || true
    cd rust
    git fetch
    git checkout $(rustc -V | cut -d' ' -f3 | tr -d '(')
    export RUSTFLAGS=

    git apply ../rustc_patches/compile_test.patch || true

    rm config.toml || true

    cat > config.toml <<EOF
[rust]
codegen-backends = []
deny-warnings = false

[build]
cargo = "$(which cargo)"
local-rebuild = true
rustc = "$HOME/.rustup/toolchains/$rust_toolchain-$TARGET_TRIPLE/bin/rustc"
EOF

    rustc -V | cut -d' ' -f3 | tr -d '('
    git checkout $(rustc -V | cut -d' ' -f3 | tr -d '(') src/test

    for test in $(rg -i --files-with-matches "//(\[\w+\])?~|// error-pattern:|// build-fail|// run-fail|-Cllvm-args" src/test/ui); do
      rm $test
    done

    git checkout -- src/test/ui/issues/auxiliary/issue-3136-a.rs # contains //~ERROR, but shouldn't be removed

    rm -r src/test/ui/{abi*,extern/,panic-runtime/,panics/,unsized-locals/,proc-macro/,threads-sendsync/,thinlto/,borrowck/,test*,*lto*.rs} || true
    for test in $(rg --files-with-matches "catch_unwind|should_panic|thread|lto" src/test/ui); do
      rm $test
    done
    git checkout src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice.rs
    git checkout src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs

    RUSTC_ARGS="-Zpanic-abort-tests -Csymbol-mangling-version=v0 -Zcodegen-backend="$(pwd)"/../target/"$CHANNEL"/librustc_codegen_gcc."$dylib_ext" --sysroot "$(pwd)"/../build_sysroot/sysroot -Cpanic=abort"

    echo "[TEST] rustc test suite"
    COMPILETEST_FORCE_STAGE0=1 ./x.py test --run always --stage 0 src/test/ui/ --rustc-args "$RUSTC_ARGS"
}

function clean_ui_tests() {
    find rust/build/x86_64-unknown-linux-gnu/test/ui/ -name stamp -exec rm -rf {} \;
}

function all() {
    clean
    mini_tests
    build_sysroot
    std_tests
    test_libcore
    extended_sysroot_tests
    test_rustc
}

$func