Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.

llvm-svn: 81226
diff --git a/llvm/test/Other/2003-02-19-LoopInfoNestingBug.ll b/llvm/test/Other/2003-02-19-LoopInfoNestingBug.ll
index d294553..2672c9f 100644
--- a/llvm/test/Other/2003-02-19-LoopInfoNestingBug.ll
+++ b/llvm/test/Other/2003-02-19-LoopInfoNestingBug.ll
@@ -2,7 +2,7 @@
 ; figure out that loop "Inner" should be nested inside of leep "LoopHeader", 
 ; and instead nests it just inside loop "Top"
 ;
-; RUN: llvm-as < %s | opt -analyze -loops | \
+; RUN: opt %s -analyze -loops | \
 ; RUN:   grep {     Loop at depth 3 containing: %Inner<header><latch><exit>}
 ;
 define void @test() {