These tests require particular registered targets. Declared as such.

llvm-svn: 132623
diff --git a/clang/test/Frontend/ir-support-codegen.ll b/clang/test/Frontend/ir-support-codegen.ll
index 046b3af..e5e5b62 100644
--- a/clang/test/Frontend/ir-support-codegen.ll
+++ b/clang/test/Frontend/ir-support-codegen.ll
@@ -1,3 +1,4 @@
+; REQUIRES: x86-64-registered-target
 ; RUN: %clang_cc1 -S -o - %s | FileCheck %s
 
 target triple = "x86_64-apple-darwin10"