rust/tests/mir-opt/copy-prop/calls.nrvo.CopyProp.diff

25 lines
490 B
Diff

- // MIR for `nrvo` before CopyProp
+ // MIR for `nrvo` after CopyProp
fn nrvo() -> u8 {
let mut _0: u8;
let _1: u8;
scope 1 {
- debug y => _1;
+ debug y => _0;
}
bb0: {
- StorageLive(_1);
- _1 = dummy(const 5_u8) -> [return: bb1, unwind continue];
+ _0 = dummy(const 5_u8) -> [return: bb1, unwind continue];
}
bb1: {
- _0 = _1;
- StorageDead(_1);
return;
}
}