File: transparent-sysv64.rs

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//@ 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 {} }