mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-31 13:04:42 +00:00
34 lines
909 B
Rust
34 lines
909 B
Rust
//@ known-bug: #137108
|
|
//@compile-flags: -Copt-level=3
|
|
|
|
// If you fix this, put it in the corresponding codegen test,
|
|
// not in a UI test like the readme says.
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
#![feature(repr_simd, core_intrinsics)]
|
|
|
|
#[allow(non_camel_case_types)]
|
|
#[derive(Clone, Copy)]
|
|
#[repr(simd)]
|
|
struct i32x3([i32; 3]);
|
|
|
|
const _: () = { assert!(size_of::<i32x3>() == 16) };
|
|
|
|
#[inline(always)]
|
|
fn to_array3(a: i32x3) -> [i32; 3] {
|
|
a.0
|
|
}
|
|
|
|
// CHECK-LABEL: simd_add_self_then_return_array_packed(
|
|
// CHECK-SAME: ptr{{.+}}sret{{.+}}%[[RET:.+]],
|
|
// CHECK-SAME: ptr{{.+}}%a)
|
|
#[no_mangle]
|
|
pub fn simd_add_self_then_return_array_packed(a: i32x3) -> [i32; 3] {
|
|
// CHECK: %[[T1:.+]] = load <3 x i32>, ptr %a
|
|
// CHECK: %[[T2:.+]] = shl <3 x i32> %[[T1]], <i32 1, i32 1, i32 1>
|
|
// CHECK: store <3 x i32> %[[T2]], ptr %[[RET]]
|
|
let b = unsafe { core::intrinsics::simd::simd_add(a, a) };
|
|
to_array3(b)
|
|
}
|