if [ $# -ne 1 ]
then
    echo Syntax: comp file.c
    exit 1
else
    file_name=$1
    base_name=$(basename $1 .cpp)
    btcd_name="$base_name.bc"
    ch_name="$base_name.ch"
    s_ch_name="$base_name.ch.s"
    ch_out="$base_name.ch.out"
    ln_name="$base_name.ln"
    ln_out="$base_name.ln.out"
    s_ln_name="$base_name.ln.s"
    gcc_name="$base_name.gcc"
    gcc_out="$base_name.gcc.out"
    llvm-gcc $file_name -o $base_name
    llc -regalloc=chordal -f $btcd_name -o $s_ch_name
    llc -regalloc=linearscan -f $btcd_name -o $s_ln_name
    gcc $s_ch_name -o $ch_name
    gcc $s_ln_name -o $ln_name
    gcc $file_name -o $gcc_name
    echo ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Ch time:"
    time ./$ch_name > $ch_out
    echo ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Ln time:"
    time ./$ln_name > $ln_out
    echo ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GCC time:"
    time ./$gcc_name > $gcc_out
    echo ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  wc output:"
    wc -l $s_ch_name
    wc -l $s_ln_name
    echo ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  diff output:"
    ls -la $ch_out $ln_out $gcc_out
    echo ""
    diff -qs $ch_out $ln_out
    diff -qs $ch_out $gcc_out
    diff -qs $ln_out $gcc_out
    echo ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  End:"
    rm -f $base_name
    rm -f $gcc_name
    rm -f $ch_name
    rm -f $ln_name
    rm -f $s_ch_name
    rm -f $s_ln_name
    rm -f $btcd_name
    rm -f $ch_out
    rm -f $ln_out
    rm -f $gcc_out
fi