Use unified diffs with gnu diff instead of old diffs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2449 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Feature/TestOptimizer.sh b/test/Feature/TestOptimizer.sh
index be926d1f671a610ca86e9dd1993b0494334cd629..e0864578adfa29db587a9478b7d6661fb5529438 100755 (executable)
--- a/test/Feature/TestOptimizer.sh
+++ b/test/Feature/TestOptimizer.sh
@@ -16,7 +16,7 @@ echo "======== Running optimizier test on $1"
 
   $DIS < $1.bc.1 > $1.ll.1 || exit 3
   $DIS < $1.bc.2 > $1.ll.2 || exit 3
-  diff $1.ll.[12] || exit 3
+  gdiff -u $1.ll.[12] || exit 3
 
   # Try out SCCP & CleanGCC
   $AS < $1 | $OPT -q -inline -dce -cleangcc -sccp -dce \
@@ -26,7 +26,7 @@ echo "======== Running optimizier test on $1"
   $OPT -q -sccp -dce < $1.bc.3 > $1.bc.4 || exit 2
   $DIS < $1.bc.3 > $1.ll.3 || exit 3
   $DIS < $1.bc.4 > $1.ll.4 || exit 3
-  diff $1.ll.[34] || exit 3
+  gdiff -u $1.ll.[34] || exit 3
   rm $1.bc.[1234] $1.ll.[1234]
   
   touch Output/$1.opt  # Success!