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/fp-trunc.ll b/test/CodeGen/X86/fp-trunc.ll
index 4fe78ec..170637a 100644
--- a/test/CodeGen/X86/fp-trunc.ll
+++ b/test/CodeGen/X86/fp-trunc.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -mattr=+sse2,-avx
+; RUN: llc < %s -march=x86 -mattr=+sse2,-avx | FileCheck %s
 
 define <1 x float> @test1(<1 x double> %x) nounwind {
 ; CHECK: cvtsd2ss