25 lines
722 B
Rust
25 lines
722 B
Rust
//@build-fail
|
|
//! Make sure that monomorphization-time const errors from `static_assert` take priority over the
|
|
//! error from simd_extract. Basically this checks that if a const fails to evaluate in some
|
|
//! function, we don't bother codegen'ing the function.
|
|
#![feature(generic_arg_infer)]
|
|
#![feature(core_intrinsics)]
|
|
#![feature(repr_simd)]
|
|
|
|
use std::intrinsics::simd::*;
|
|
|
|
#[repr(simd)]
|
|
#[allow(non_camel_case_types)]
|
|
struct int8x4_t([u8; 4]);
|
|
|
|
fn get_elem<const LANE: u32>(a: int8x4_t) -> u8 {
|
|
const { assert!(LANE < 4); } // the error should be here...
|
|
//~^ ERROR failed
|
|
//~| assertion failed
|
|
unsafe { simd_extract(a, LANE) } // ...not here
|
|
}
|
|
|
|
fn main() {
|
|
get_elem::<4>(int8x4_t([0, 0, 0, 0]));
|
|
}
|