mirror of https://github.com/rust-lang/rust.git
55 lines
1.2 KiB
Diff
55 lines
1.2 KiB
Diff
- // MIR for `main` before CopyProp
|
|
+ // MIR for `main` after CopyProp
|
|
|
|
fn main() -> () {
|
|
let mut _0: ();
|
|
let mut _1: i32;
|
|
let mut _4: i32;
|
|
let _5: ();
|
|
let mut _6: i32;
|
|
scope 1 {
|
|
debug x => _1;
|
|
let _2: i32;
|
|
scope 2 {
|
|
debug y => _2;
|
|
let _3: i32;
|
|
scope 3 {
|
|
- debug z => _3;
|
|
+ debug z => _2;
|
|
}
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_1);
|
|
_1 = val() -> [return: bb1, unwind continue];
|
|
}
|
|
|
|
bb1: {
|
|
- StorageLive(_2);
|
|
_2 = copy _1;
|
|
- StorageLive(_3);
|
|
- _3 = copy _2;
|
|
- StorageLive(_4);
|
|
- _4 = copy _3;
|
|
- _1 = move _4;
|
|
- StorageDead(_4);
|
|
+ _1 = copy _2;
|
|
StorageLive(_5);
|
|
StorageLive(_6);
|
|
_6 = copy _1;
|
|
_5 = std::mem::drop::<i32>(move _6) -> [return: bb2, unwind continue];
|
|
}
|
|
|
|
bb2: {
|
|
StorageDead(_6);
|
|
StorageDead(_5);
|
|
_0 = const ();
|
|
- StorageDead(_3);
|
|
- StorageDead(_2);
|
|
StorageDead(_1);
|
|
return;
|
|
}
|
|
}
|
|
|