#!/bin/bash

set -e

if [[ "$1" == "--release" ]]; then
    export CHANNEL='release'
    cargo build --release $CG_CLIF_COMPILE_FLAGS
else
    export CHANNEL='debug'
    cargo build $CG_CLIF_COMPILE_FLAGS
fi

source config.sh

jit() {
    if [[ `uname` == 'Darwin' ]]; then
        # FIXME(#671) `dlsym` returns "symbol not found" for existing symbols on macOS.
        echo "[JIT] $1 (Ignored on macOS)"
    else
        echo "[JIT] $1"
        SHOULD_RUN=1 $RUSTC --crate-type bin -Cprefer-dynamic $2
    fi
}

rm -r target/out || true
mkdir -p target/out/clif

echo "[BUILD] mini_core"
$RUSTC example/mini_core.rs --crate-name mini_core --crate-type lib,dylib

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

#JIT_ARGS="abc bcd" jit mini_core_hello_world example/mini_core_hello_world.rs

echo "[AOT] mini_core_hello_world"
$RUSTC example/mini_core_hello_world.rs --crate-name mini_core_hello_world --crate-type bin -g
./target/out/mini_core_hello_world abc bcd
# (echo "break set -n main"; echo "run"; sleep 1; echo "si -c 10"; sleep 1; echo "frame variable") | lldb -- ./target/out/mini_core_hello_world abc bcd

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/out/arbitrary_self_types_pointers_and_wrappers

echo "[BUILD] sysroot"
time ./build_sysroot/build_sysroot.sh

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

jit std_example example/std_example.rs

echo "[AOT] dst_field_align"
# FIXME 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/out/dst_field_align

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

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

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

pushd simple-raytracer
echo "[BENCH COMPILE] ebobby/simple-raytracer"
hyperfine --runs ${RUN_RUNS:-10} --warmup 1 --prepare "rm -r target/*/debug || true" \
    "RUSTFLAGS='' cargo build --target $TARGET_TRIPLE" \
    "../cargo.sh build"

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

pushd build_sysroot/sysroot_src/src/libcore/tests
rm -r ./target || true
../../../../../cargo.sh test
popd

pushd regex
echo "[TEST] rust-lang/regex example shootout-regex-dna"
../cargo.sh clean
# 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 > 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
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_*