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Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_codegen_cranelift/example/mod_bench.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/example/mod_bench.rs b/compiler/rustc_codegen_cranelift/example/mod_bench.rs new file mode 100644 index 000000000..e3e8a3c2d --- /dev/null +++ b/compiler/rustc_codegen_cranelift/example/mod_bench.rs @@ -0,0 +1,36 @@ +#![feature(start, core_intrinsics, lang_items)] +#![no_std] + +#[cfg_attr(unix, link(name = "c"))] +#[cfg_attr(target_env = "msvc", link(name = "msvcrt"))] +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(); + } +} |