1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// compile-flags: -C no-prepopulate-passes
// only-64bit (because the LLVM type of i64 for usize shows up)
//
#![crate_type = "lib"]
#![feature(repr_simd, platform_intrinsics)]
extern "platform-intrinsic" {
pub(crate) fn simd_arith_offset<T, U>(ptrs: T, offsets: U) -> T;
}
/// A vector of *const T.
#[derive(Debug, Copy, Clone)]
#[repr(simd)]
pub struct SimdConstPtr<T, const LANES: usize>([*const T; LANES]);
#[derive(Debug, Copy, Clone)]
#[repr(simd)]
pub struct Simd<T, const LANES: usize>([T; LANES]);
// CHECK-LABEL: smoke
#[no_mangle]
pub fn smoke(ptrs: SimdConstPtr<u8, 8>, offsets: Simd<usize, 8>) -> SimdConstPtr<u8, 8> {
// CHECK: getelementptr i8, <8 x {{i8\*|ptr}}> %1, <8 x i64> %2
unsafe { simd_arith_offset(ptrs, offsets) }
}
|
