Stop early if there is no mis-optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31893 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/findmisopt b/utils/findmisopt
index 955c0c003058a02bc4b5a8a6a7a4cf7fdaa58e94..3828c70b12348c0235ce1cfe5b9f756f3c3a5e05 100755 (executable)
--- a/utils/findmisopt
+++ b/utils/findmisopt
@@ -132,6 +132,15 @@ for sw in $all_switches ; do
   fi
 done
 
+# Terminate the previous output with a newline
+echo ""
+
+# Determine if we're done because none of the optimizations broke the program
+if [ "$switches" == " $all_switches" ] ; then
+  echo "The program did not miscompile"
+  exit 0
+fi
+
 final=""
 while [ ! -z "$switches" ] ; do
   trimmed=`echo "$switches" | sed -e 's/^ *\(-[^ ]*\).*/\1/'`