ARM64: initial clang support commit.

This adds Clang support for the ARM64 backend. There are definitely
still some rough edges, so please bring up any issues you see with
this patch.

As with the LLVM commit though, we think it'll be more useful for
merging with AArch64 from within the tree.

llvm-svn: 205100

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/test/Sema/arm64-neon-args.c b/clang/test/Sema/arm64-neon-args.c
new file mode 100644
index 00000000000..5ee653ddd27
--- /dev/null
+++ b/clang/test/Sema/arm64-neon-args.c
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -triple arm64-apple-darwin -fsyntax-only -ffreestanding -verify %s
+
+#include <arm_neon.h>
+
+// rdar://13527900
+void vcopy_reject(float32x4_t vOut0, float32x4_t vAlpha, int t) {
+  vcopyq_laneq_f32(vOut0, 1, vAlpha, t); // expected-error {{argument to '__builtin_neon_vgetq_lane_f32' must be a constant integer}} expected-error {{initializing 'float32_t' (aka 'float') with an expression of incompatible type 'void'}}
+}
+
+// rdar://problem/15256199
+float32x4_t test_vmlsq_lane(float32x4_t accum, float32x4_t lhs, float32x2_t rhs) {
+  return vmlsq_lane_f32(accum, lhs, rhs, 1);
+}