Add a triple.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124471 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/visibility.ll b/test/CodeGen/X86/visibility.ll
index 9153de4..a8d2870 100644
--- a/test/CodeGen/X86/visibility.ll
+++ b/test/CodeGen/X86/visibility.ll
@@ -1,4 +1,4 @@
-; RUN: llc  %s -o - | FileCheck %s
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
 
 define hidden void @foo() nounwind {
 entry: