rust/src/test/mir-opt/lower_array_len.array_len.NormalizeArrayLen.diff

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2021-10-06 10:53:11 -05:00
- // 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:30:34: 30:37
let mut _0: usize; // return place in scope 0 at $DIR/lower_array_len.rs:30:52: 30:57
let mut _2: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
let mut _3: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
+ let mut _4: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
bb0: {
StorageLive(_2); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
_3 = &(*_1); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
+ StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
+ _4 = _3; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
_2 = move _3 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:31:7: 31:8
- _0 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
+ _0 = Len((*_4)); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
+ StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
goto -> bb1; // scope 0 at $DIR/lower_array_len.rs:31:5: 31:14
}
bb1: {
StorageDead(_2); // scope 0 at $DIR/lower_array_len.rs:31:13: 31:14
return; // scope 0 at $DIR/lower_array_len.rs:32:2: 32:2
}
}