Make tests more useful.

lit needs a linter ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130126 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fast-isel-x86.ll b/test/CodeGen/X86/fast-isel-x86.ll
index 56aeb3a..f7f5778 100644
--- a/test/CodeGen/X86/fast-isel-x86.ll
+++ b/test/CodeGen/X86/fast-isel-x86.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=x86 -relocation-model=pic < %s
+; RUN: llc -fast-isel -O0 -march=x86 -relocation-model=pic < %s | FileCheck %s
 
 ; This should use flds to set the return value.
 ; CHECK: test0: