# is a directory into which intermediate results are placed
# progargs
# is a single argument containing all the arguments the program needs
+# proginput
+# is a file name from which stdin should be directed
# match
# if specified to any value causes the result code of the program to
# be used to determine success/fail. If not specified success/fail is
bcfile="$1"
outdir="$2"
args="$3"
-match="$4"
+input="$4"
+if [ ! -f "$input" ] ; then
+ input="/dev/null"
+fi
+match="$5"
name=`basename $bcfile .bc`
ll="$outdir/${name}.ll"
s="$outdir/${name}.s"
opts="$outdir/${name}.opt.s"
optprog="$outdir/${name}.opt"
optout="$outdir/${name}.opt.out"
+ldflags="-lstdc++ -lm -ldl -lc"
echo "Test Name: $name"
echo "Unoptimized program: $prog"
echo " Optimized program: $optprog"
+# Define the list of optimizations to run. This comprises the same set of
+# optimizations that opt -std-compile-opts and gccld run, in the same order.
+opt_switches=`llvm-as < /dev/null -o - | opt -std-compile-opts -disable-output -debug-pass=Arguments 2>&1 | sed 's/Pass Arguments: //'`
+ld_switches=`llvm-as < /dev/null -o - | llvm-ld - -debug-pass=Arguments 2>&1 | sed 's/Pass Arguments: //'`
+all_switches="$opt_switches $ld_switches"
+echo "Passes : $all_switches"
+
# Create output directory if it doesn't exist
if [ -f "$outdir" ] ; then
echo "$outdir is not a directory"
# Generate the disassembly
llvm-dis "$bcfile" -o "$ll" -f || exit 1
-# Generate the non-optimized program
+# Generate the non-optimized program and its output
llc "$bcfile" -o "$s" -f || exit 1
-gcc "$s" -o "$prog" -lstdc++ -lc -lm || exit 1
-
-# Define the list of optimizations to run. This comprises the same set of
-# optimizations that gccas and gccld run, in the same order.
-all_switches="-verify -lowersetjmp -funcresolve -raiseallocs -simplifycfg -mem2reg -globalopt -globaldce -ipconstprop -deadargelim -instcombine -simplifycfg -prune-eh -inline -simplify-libcalls -argpromotion -raise -tailduplicate -simplifycfg -scalarrepl -instcombine -predsimplify -condprop -tailcallelim -simplifycfg -reassociate -licm -loop-unswitch -instcombine -indvars -loop-unroll -instcombine -load-vn -gcse -sccp -instcombine -condprop -dse -dce -simplifycfg -deadtypeelim -constmerge -funcresolve -internalize -ipsccp -globalopt -constmerge -deadargelim -inline -prune-eh -globalopt -globaldce -argpromotion -instcombine -predsimplify -scalarrepl -globalsmodref-aa -licm -load-vn -gcse -dse -instcombine -simplifycfg -verify"
-# Here's an alternative list of optimizations comprising just the ones that
-# gccld uses. To use, just comment out the line above, and uncomment this one
-#all_switches="-funcresolve -internalize -ipsccp -globalopt -constmerge -deadargelim -inline -prune-eh -globalopt -globaldce -argpromotion -instcombine -predsimplify -scalarrepl -globalsmodref-aa -licm -load-vn -gcse -dse -instcombine -simplifycfg -verify"
+gcc "$s" -o "$prog" $ldflags || exit 1
+"$prog" $args > "$out" 2>&1 <$input
+ex1=$?
# Current set of switches is empty
function tryit {
opt $switches_to_use "$bcfile" -o "$optbc" -f || exit
llvm-dis "$optbc" -o "$optll" -f || exit
llc "$optbc" -o "$opts" -f || exit
- gcc "$opts" -o "$optprog" -lstdc++ -lc -lm || exit
- "$prog" $args > "$out" 2>&1
- ex1=$?
- "$optprog" $args > "$optout" 2>&1
+ gcc "$opts" -o "$optprog" $ldflags || exit
+ "$optprog" $args > "$optout" 2>&1 <"$input"
ex2=$?
if [ -n "$match" ] ; then
echo "Diff fails with these switches:"
echo $switches
echo "Differences:"
- diff "$out" "$optout"
+ diff "$out" "$optout" | head
return 0;
fi
fi