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/Transforms/CodeExtractor/2004-08-12-BlockExtractPHI.ll b/llvm/test/Transforms/CodeExtractor/2004-08-12-BlockExtractPHI.ll
index 0ab5498..c9013e5 100644
--- a/llvm/test/Transforms/CodeExtractor/2004-08-12-BlockExtractPHI.ll
+++ b/llvm/test/Transforms/CodeExtractor/2004-08-12-BlockExtractPHI.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -extract-blocks -disable-output
+; RUN: opt %s -extract-blocks -disable-output
 
 define void @test1() {
 no_exit.0.i: