Support removed LLVM intrinsics by invoking its AutoUpgrade mechanism.

1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/run-pass/simd-upgraded.rs b/src/test/run-pass/simd-upgraded.rs
new file mode 100644
index 00000000000..821a505c138
--- /dev/null
+++ b/src/test/run-pass/simd-upgraded.rs
@@ -0,0 +1,30 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Test that removed LLVM SIMD intrinsics continue
+// to work via the "AutoUpgrade" mechanism.
+
+#![feature(cfg_target_feature, repr_simd)]
+#![feature(platform_intrinsics, stmt_expr_attributes)]
+
+#[repr(simd)]
+#[derive(PartialEq, Debug)]
+struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
+
+fn main() {
+    #[cfg(target_feature = "sse2")] unsafe {
+        extern "platform-intrinsic" {
+            fn x86_mm_min_epi16(x: i16x8, y: i16x8) -> i16x8;
+        }
+        assert_eq!(x86_mm_min_epi16(i16x8(0, 1, 2, 3, 4, 5, 6, 7),
+                                    i16x8(7, 6, 5, 4, 3, 2, 1, 0)),
+                                    i16x8(0, 1, 2, 3, 3, 2, 1, 0));
+    };
+}