Make use of the llvm-ld tool's new ability to read input from stdin to extract

the list of link time passes to be run, just as for opt, with the
-debug-pass=Arguments option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41040 91177308-0d34-0410-b5e6-96231b3b80d8

utils/findmisopt

@@ -73,6 +73,13 @@ 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 "$outdir is not a directory"
@@ -92,13 +99,6 @@ gcc "$s" -o "$prog" $ldflags || exit 1
 "$prog" $args > "$out" 2>&1 <$input
 ex1=$?
 
-# 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 - -std-link-opts -disable-output -debug-pass=Arguments 2>&1 | sed 's/Pass Arguments: //'`
-all_switches="$opt_switches $ld_switches"
-echo "Passes : $all_switches"
-
 # Current set of switches is empty
 function tryit {
   switches_to_use="$1"