ac4f7deb2f
git-subtree-dir: compiler/rustc_codegen_cranelift git-subtree-mainline:cf798c1ec6
git-subtree-split:793d26047f
36 lines
625 B
Rust
36 lines
625 B
Rust
#![feature(start, box_syntax, core_intrinsics, lang_items)]
|
|
#![no_std]
|
|
|
|
#[link(name = "c")]
|
|
extern {}
|
|
|
|
#[panic_handler]
|
|
fn panic_handler(_: &core::panic::PanicInfo) -> ! {
|
|
core::intrinsics::abort();
|
|
}
|
|
|
|
#[lang="eh_personality"]
|
|
fn eh_personality(){}
|
|
|
|
// Required for rustc_codegen_llvm
|
|
#[no_mangle]
|
|
unsafe extern "C" fn _Unwind_Resume() {
|
|
core::intrinsics::unreachable();
|
|
}
|
|
|
|
#[start]
|
|
fn main(_argc: isize, _argv: *const *const u8) -> isize {
|
|
for i in 2..10_000_000 {
|
|
black_box((i + 1) % i);
|
|
}
|
|
|
|
0
|
|
}
|
|
|
|
#[inline(never)]
|
|
fn black_box(i: u32) {
|
|
if i != 1 {
|
|
core::intrinsics::abort();
|
|
}
|
|
}
|