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/InstCombine/2003-05-26-CastMiscompile.ll b/llvm/test/Transforms/InstCombine/2003-05-26-CastMiscompile.ll
index 21a7a8e..19010d2 100644
--- a/llvm/test/Transforms/InstCombine/2003-05-26-CastMiscompile.ll
+++ b/llvm/test/Transforms/InstCombine/2003-05-26-CastMiscompile.ll
@@ -1,4 +1,4 @@
-; RUN: opt %s -instcombine -S | grep 4294967295
+; RUN: opt < %s -instcombine -S | grep 4294967295
 
 define i64 @test(i64 %Val) {
         %tmp.3 = trunc i64 %Val to i32          ; <i32> [#uses=1]