mirror of https://github.com/rust-lang/rust
73 lines
1.3 KiB
Rust
73 lines
1.3 KiB
Rust
// skip-filecheck
|
|
#![feature(custom_mir, core_intrinsics)]
|
|
|
|
extern crate core;
|
|
use core::intrinsics::mir::*;
|
|
|
|
// EMIT_MIR aggregate_exprs.tuple.built.after.mir
|
|
#[custom_mir(dialect = "built")]
|
|
fn tuple() -> (i32, bool) {
|
|
mir! {
|
|
{
|
|
RET = (1, true);
|
|
Return()
|
|
}
|
|
}
|
|
}
|
|
|
|
// EMIT_MIR aggregate_exprs.array.built.after.mir
|
|
#[custom_mir(dialect = "built")]
|
|
fn array() -> [i32; 2] {
|
|
mir! {
|
|
let x: [i32; 2];
|
|
let one: i32;
|
|
{
|
|
x = [42, 43];
|
|
one = 1;
|
|
x = [one, 2];
|
|
RET = Move(x);
|
|
Return()
|
|
}
|
|
}
|
|
}
|
|
|
|
struct Foo {
|
|
a: i32,
|
|
b: i32,
|
|
}
|
|
|
|
enum Bar {
|
|
Foo(Foo, i32),
|
|
}
|
|
|
|
union Onion {
|
|
neon: i32,
|
|
noun: f32,
|
|
}
|
|
|
|
// EMIT_MIR aggregate_exprs.adt.built.after.mir
|
|
#[custom_mir(dialect = "built")]
|
|
fn adt() -> Onion {
|
|
mir! {
|
|
let one: i32;
|
|
let x: Foo;
|
|
let y: Bar;
|
|
{
|
|
one = 1;
|
|
x = Foo {
|
|
a: 1,
|
|
b: 2,
|
|
};
|
|
y = Bar::Foo(Move(x), one);
|
|
RET = Onion { neon: Field(Variant(y, 0), 1) };
|
|
Return()
|
|
}
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(tuple(), (1, true));
|
|
assert_eq!(array(), [1, 2]);
|
|
assert_eq!(unsafe { adt().neon }, 1);
|
|
}
|