From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../rustc_codegen_cranelift/example/mod_bench.rs | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 compiler/rustc_codegen_cranelift/example/mod_bench.rs (limited to 'compiler/rustc_codegen_cranelift/example/mod_bench.rs') 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(); + } +} -- cgit v1.2.3