rust/tests/codegen/simd/unpadded-simd.rs
Erik Desjardins 96a72676d1 use [N x i8] for byval/sret types
This avoids depending on LLVM's struct types to determine the size of
the byval/sret slot.
2024-03-05 18:54:45 -05:00

20 lines
539 B
Rust

// 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, abi_unadjusted)]
#[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]
extern "unadjusted" fn takes_int16x4x2_t(t: int16x4x2_t) -> int16x4x2_t {
t
}