mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-30 22:12:15 +00:00
42 lines
905 B
Rust
42 lines
905 B
Rust
//@ revisions: linux apple
|
|
//@ compile-flags: -C opt-level=0 -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
|
|
|
|
// Regression test for #29988
|
|
|
|
#![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)]
|
|
struct S {
|
|
f1: i32,
|
|
f2: i32,
|
|
f3: i32,
|
|
}
|
|
|
|
extern "C" {
|
|
fn foo(s: S);
|
|
}
|
|
|
|
// CHECK-LABEL: @test
|
|
#[no_mangle]
|
|
pub fn test() {
|
|
let s = S { f1: 1, f2: 2, f3: 3 };
|
|
unsafe {
|
|
// CHECK: [[ALLOCA:%.+]] = alloca [12 x i8], align 8
|
|
// CHECK: [[LOAD:%.+]] = load { i64, i32 }, ptr [[ALLOCA]], align 8
|
|
// CHECK: call void @foo({ i64, i32 } [[LOAD]])
|
|
foo(s);
|
|
}
|
|
}
|