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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SimplifyCFG/PhiBlockMerge.ll b/test/Transforms/SimplifyCFG/PhiBlockMerge.ll
index f3844f7..9845370 100644
--- a/test/Transforms/SimplifyCFG/PhiBlockMerge.ll
+++ b/test/Transforms/SimplifyCFG/PhiBlockMerge.ll
@@ -1,6 +1,6 @@
 ; Test merging of blocks that only have PHI nodes in them
 ;
-; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep N:
+; RUN: opt %s -simplifycfg | llvm-dis | not grep N:
 ;
 
 define i32 @test(i1 %a, i1 %b) {