Remove explicit control flow through the use of the 'not' script

llvm-svn: 6965
diff --git a/llvm/test/Regression/Transforms/FunctionResolve/retmismatch2.ll b/llvm/test/Regression/Transforms/FunctionResolve/retmismatch2.ll
index cffe1a4..36a062e 100644
--- a/llvm/test/Regression/Transforms/FunctionResolve/retmismatch2.ll
+++ b/llvm/test/Regression/Transforms/FunctionResolve/retmismatch2.ll
@@ -1,15 +1,7 @@
 ; This shows where the function is called with the prototype indicating a
 ; return type doesn't exists, but it really does.
 ;
-; RUN: if as < %s | opt -funcresolve > /dev/null
-; RUN: then echo "opt ok"
-; RUN: else exit 1   # Make sure opt doesn't abort!
-; RUN: fi
-;
-; RUN: if as < %s | opt -funcresolve -instcombine | dis | grep '\.\.\.' | grep call
-; RUN: then exit 1
-; RUN: else exit 0
-; RUN: fi
+; RUN: as < %s | opt -funcresolve -instcombine | dis | grep '\.\.\.' | not grep call
 
 declare void %foo(...)