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

llvm-svn: 81290
diff --git a/llvm/test/CodeGen/X86/extract-combine.ll b/llvm/test/CodeGen/X86/extract-combine.ll
index 95cd8f2..2040e87 100644
--- a/llvm/test/CodeGen/X86/extract-combine.ll
+++ b/llvm/test/CodeGen/X86/extract-combine.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -march=x86-64 -mcpu=core2 -o %t
+; RUN: llc < %s -march=x86-64 -mcpu=core2 -o %t
 ; RUN: not grep unpcklps %t
 
 define i32 @foo() nounwind {