rust/tests/mir-opt/dataflow-const-prop/self_assign.main.DataflowConstProp.diff
2023-06-15 15:19:11 -04:00

47 lines
1.0 KiB
Diff

- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: ();
let mut _1: i32;
let mut _2: i32;
let mut _3: i32;
let mut _5: &i32;
let mut _6: i32;
scope 1 {
debug a => _1;
let mut _4: &i32;
scope 2 {
debug b => _4;
}
}
bb0: {
StorageLive(_1);
_1 = const 0_i32;
StorageLive(_2);
_2 = _1;
_1 = Add(move _2, const 1_i32);
StorageDead(_2);
StorageLive(_3);
_3 = _1;
_1 = move _3;
StorageDead(_3);
StorageLive(_4);
_4 = &_1;
StorageLive(_5);
_5 = _4;
_4 = move _5;
StorageDead(_5);
StorageLive(_6);
_6 = (*_4);
_1 = move _6;
StorageDead(_6);
_0 = const ();
StorageDead(_4);
StorageDead(_1);
return;
}
}