Implement __builtin_ia32_vec_ext_v2si function (required by Qt).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116162 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/builtins-x86.c b/test/CodeGen/builtins-x86.c
index 1b4e68b..56f220b 100644
--- a/test/CodeGen/builtins-x86.c
+++ b/test/CodeGen/builtins-x86.c
@@ -261,6 +261,7 @@
   tmp_V8c = __builtin_ia32_packsswb(tmp_V4s, tmp_V4s);
   tmp_V4s = __builtin_ia32_packssdw(tmp_V2i, tmp_V2i);
   tmp_V8c = __builtin_ia32_packuswb(tmp_V4s, tmp_V4s);
+  tmp_i = __builtin_ia32_vec_ext_v2si(tmp_V2i, 0);
 
   (void) __builtin_ia32_ldmxcsr(tmp_Ui);
   tmp_Ui = __builtin_ia32_stmxcsr();