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

llvm-svn: 81290
diff --git a/llvm/test/CodeGen/X86/pr3457.ll b/llvm/test/CodeGen/X86/pr3457.ll
index d4a9810..f7af927 100644
--- a/llvm/test/CodeGen/X86/pr3457.ll
+++ b/llvm/test/CodeGen/X86/pr3457.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | not grep fstpt
+; RUN: llc < %s -mtriple=i386-apple-darwin | not grep fstpt
 ; PR3457
 ; rdar://6548010