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/Mem2Reg/UndefValuesMerge.ll b/test/Transforms/Mem2Reg/UndefValuesMerge.ll
index b9e4b1a..5013229 100644
--- a/test/Transforms/Mem2Reg/UndefValuesMerge.ll
+++ b/test/Transforms/Mem2Reg/UndefValuesMerge.ll
@@ -1,4 +1,4 @@
-; RUN: opt %s -mem2reg -S | not grep phi
+; RUN: opt < %s -mem2reg -S | not grep phi
define i32 @testfunc(i1 %C, i32 %i, i8 %j) {
%I = alloca i32 ; <i32*> [#uses=2]