rust/tests/codegen/repr/transparent-sysv64.rs

42 lines
1.0 KiB
Rust

//@ revisions: linux apple windows
//@ compile-flags: -O -C no-prepopulate-passes
//@[linux] compile-flags: --target x86_64-unknown-linux-gnu
//@[linux] needs-llvm-components: x86
//@[apple] compile-flags: --target x86_64-apple-darwin
//@[apple] needs-llvm-components: x86
//@[windows] compile-flags: --target x86_64-pc-windows-msvc
//@[windows] needs-llvm-components: x86
#![feature(no_core, lang_items)]
#![crate_type = "lib"]
#![no_std]
#![no_core]
#[lang="sized"] trait Sized { }
#[lang="freeze"] trait Freeze { }
#[lang="copy"] trait Copy { }
#[repr(C)]
pub struct Rgb8 { r: u8, g: u8, b: u8 }
#[repr(transparent)]
pub struct Rgb8Wrap(Rgb8);
// CHECK: i24 @test_Rgb8Wrap(i24{{( %0)?}})
#[no_mangle]
pub extern "sysv64" fn test_Rgb8Wrap(_: Rgb8Wrap) -> Rgb8Wrap { loop {} }
#[repr(C)]
pub union FloatBits {
float: f32,
bits: u32,
}
#[repr(transparent)]
pub struct SmallUnion(FloatBits);
// CHECK: i32 @test_SmallUnion(i32{{( %0)?}})
#[no_mangle]
pub extern "sysv64" fn test_SmallUnion(_: SmallUnion) -> SmallUnion { loop {} }