#!/bin/sh
#
# GCC compatible C compiler based on Sparse LLVM

set +e

SPARSEOPTS=""
DIRNAME=`dirname $0`

NEED_LINK=1

if [ $# -eq 0 ]; then
  echo "`basename $0`: no input files"
  exit 1
fi

while [ $# -gt 0 ]; do
	case $1 in
	'-o')
		OUTFILE=$2
		shift
		;;
	'-c')
		NEED_LINK=0
		;;
	*)
		SPARSEOPTS="$SPARSEOPTS $1 " ;;
	esac
	shift
done

TMPLLVM=`mktemp -t tmp.XXXXXX`".llvm"
TMPFILE=`mktemp -t tmp.XXXXXX`".o"

$DIRNAME/sparse-llvm $SPARSEOPTS > $TMPLLVM

LLC=`"${LLVM_CONFIG:-llvm-config}" --bindir`/llc

$LLC -o - $TMPLLVM | as -o $TMPFILE

if [ $NEED_LINK -eq 1 ]; then
	if [ -z $OUTFILE ]; then
		OUTFILE=a.out
	fi
	gcc $TMPFILE -o $OUTFILE
else
	if [ -z $OUTFILE ]; then
		echo "`basename $0`: no output file"
		exit 1
	fi
	mv $TMPFILE $OUTFILE
fi

rm -f $TMPLLVM