1 files changed, 19 insertions, 0 deletions
diff --git a/tests/codegen/simd/unpadded-simd.rs b/tests/codegen/simd/unpadded-simd.rs
new file mode 100644
index 000000000..797bca38f
--- /dev/null
+++ b/tests/codegen/simd/unpadded-simd.rs
@@ -0,0 +1,19 @@
+// Make sure that no 0-sized padding is inserted in structs and that
+// structs are represented as expected by Neon intrinsics in LLVM.
+// See #87254.
+
+#![crate_type = "lib"]
+#![feature(repr_simd)]
+
+#[derive(Copy, Clone)]
+#[repr(simd)]
+pub struct int16x4_t(pub i16, pub i16, pub i16, pub i16);
+
+#[derive(Copy, Clone)]
+pub struct int16x4x2_t(pub int16x4_t, pub int16x4_t);
+
+// CHECK: %int16x4x2_t = type { <4 x i16>, <4 x i16> }
+#[no_mangle]
+fn takes_int16x4x2_t(t: int16x4x2_t) -> int16x4x2_t {
+    t
+}