Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll b/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll
index 89a7e59..fb5d600 100644
--- a/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll
+++ b/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll
@@ -2,7 +2,7 @@
 ; where the mergedinto block doesn't have any PHI nodes, and is in fact 
 ; dominated by the block-to-be-eliminated
 ;
-; RUN: opt %s -simplifycfg -S | not grep N:
+; RUN: opt < %s -simplifycfg -S | not grep N:
 ;
 
 declare i1 @foo()