[rustc.git] / src / test / mir-opt / dest-prop / simple.rs

//! Copy of `nrvo-simple.rs`, to ensure that full dest-prop handles it too.
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR simple.nrvo.DestinationPropagation.diff
fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] {
    let mut buf = [0; 1024];
    init(&mut buf);
    buf
}

fn main() {
    let _ = nrvo(|buf| {
        buf[4] = 4;
    });
}
Commit	Line	Data
1b1a35ee	1	//! Copy of `nrvo-simple.rs`, to ensure that full dest-prop handles it too.
6a06907d	2	// compile-flags: -Zunsound-mir-opts
1b1a35ee XL	3	// EMIT_MIR simple.nrvo.DestinationPropagation.diff
	4	fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] {
	5	let mut buf = [0; 1024];
	6	init(&mut buf);
	7	buf
	8	}
	9
	10	fn main() {
	11	let _ = nrvo(\|buf\| {
	12	buf[4] = 4;
	13	});
	14	}