From 6d0fbd4185ae24f342459b1ed4ab45062bff1a66 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Wed, 22 Nov 2006 03:46:45 +0000
Subject: 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
---
 utils/findmisopt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/utils/findmisopt b/utils/findmisopt
index 955c0c0030..3828c70b12 100755
--- 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/'`
-- 
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