Add a testcase for Radar 8228022.

Make sure the -Wvector-conversions does not cause unnecessary warnings when
using Neon intrinsics with the correct types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120634 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Headers/arm-neon-header.c b/test/Headers/arm-neon-header.c
new file mode 100644 (file)
index 0000000..3c2a735
--- /dev/null
+++ b/test/Headers/arm-neon-header.c
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -triple thumbv7-apple-darwin10 -target-cpu cortex-a8 -fsyntax-only -Wvector-conversions -verify %s
+// RUN: %clang_cc1 -x c++ -triple thumbv7-apple-darwin10 -target-cpu cortex-a8 -fsyntax-only -Wvector-conversions -verify %s
+
+#include <arm_neon.h>
+
+// Radar 8228022: Should not report incompatible vector types.
+int32x2_t test(int32x2_t x) {
+  return vshr_n_s32(x, 31);
+}