rust/tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff
2023-01-29 21:19:02 +00:00

27 lines
1.5 KiB
Diff

- // MIR for `array_len` before NormalizeArrayLen
+ // MIR for `array_len` after NormalizeArrayLen
fn array_len(_1: &[u8; N]) -> usize {
debug arr => _1; // in scope 0 at $DIR/lower_array_len.rs:+0:34: +0:37
let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:+0:52: +0:57
let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
bb0: {
StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
_3 = &(*_1); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
_2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:+1:7: +1:8
- _0 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
+ _0 = const N; // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
goto -> bb1; // scope 0 at $DIR/lower_array_len.rs:+1:5: +1:14
}
bb1: {
StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:+1:13: +1:14
return; // scope 0 at $DIR/lower_array_len.rs:+2:2: +2:2
}
}