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.

llvm-svn: 81537
diff --git a/llvm/test/Transforms/ScalarRepl/arraytest.ll b/llvm/test/Transforms/ScalarRepl/arraytest.ll
index 849b4d5..2f68af8 100644
--- a/llvm/test/Transforms/ScalarRepl/arraytest.ll
+++ b/llvm/test/Transforms/ScalarRepl/arraytest.ll
@@ -1,4 +1,4 @@
-; RUN: opt %s -scalarrepl -mem2reg -S | not grep alloca
+; RUN: opt < %s -scalarrepl -mem2reg -S | not grep alloca
 
 define i32 @test() {
 	%X = alloca [4 x i32]		; <[4 x i32]*> [#uses=1]