src/test/codegen/repr-transparent-sysv64.rs

// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// only-x86_64

// compile-flags: -C no-prepopulate-passes

#![crate_type="lib"]

#[repr(C)]
pub struct Rgb8 { r: u8, g: u8, b: u8 }

#[repr(transparent)]
pub struct Rgb8Wrap(Rgb8);

// CHECK: i24 @test_Rgb8Wrap(i24)
#[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)
#[no_mangle]
pub extern "sysv64" fn test_SmallUnion(_: SmallUnion) -> SmallUnion { loop {} }