Eliminate more uses of llvm-as and llvm-dis.

llvm-svn: 81290
diff --git a/llvm/test/CodeGen/X86/vec_ctbits.ll b/llvm/test/CodeGen/X86/vec_ctbits.ll
index f057c9a..f0158d6 100644
--- a/llvm/test/CodeGen/X86/vec_ctbits.ll
+++ b/llvm/test/CodeGen/X86/vec_ctbits.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -march=x86-64
+; RUN: llc < %s -march=x86-64
 
 declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>)
 declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>)