rust/tests/mir-opt/dest-prop/simple.rs
2023-01-11 09:32:08 +00:00

15 lines
343 B
Rust

//! Copy of `nrvo-simple.rs`, to ensure that full dest-prop handles it too.
// unit-test: DestinationPropagation
// 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;
});
}