mirror of https://github.com/rust-lang/rust
109 lines
2.4 KiB
Diff
109 lines
2.4 KiB
Diff
- // MIR for `f` before ElaborateDrops
|
|
+ // MIR for `f` after ElaborateDrops
|
|
|
|
fn f() -> () {
|
|
let mut _0: ();
|
|
let mut _1: !;
|
|
let _2: std::string::String;
|
|
let _6: ();
|
|
let mut _7: std::string::String;
|
|
+ let mut _8: bool;
|
|
scope 1 {
|
|
debug _a => _2;
|
|
let _3: i32;
|
|
scope 2 {
|
|
debug _b => _3;
|
|
let _4: std::string::String;
|
|
scope 3 {
|
|
debug _c => _4;
|
|
let _5: std::string::String;
|
|
scope 4 {
|
|
debug _d => _5;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
+ _8 = const false;
|
|
StorageLive(_2);
|
|
_2 = String::new() -> [return: bb1, unwind: bb12];
|
|
}
|
|
|
|
bb1: {
|
|
StorageLive(_3);
|
|
_3 = const 12_i32;
|
|
StorageLive(_4);
|
|
_4 = String::new() -> [return: bb2, unwind: bb11];
|
|
}
|
|
|
|
bb2: {
|
|
+ _8 = const true;
|
|
StorageLive(_5);
|
|
_5 = String::new() -> [return: bb3, unwind: bb10];
|
|
}
|
|
|
|
bb3: {
|
|
StorageLive(_6);
|
|
StorageLive(_7);
|
|
+ _8 = const false;
|
|
_7 = move _4;
|
|
_6 = std::mem::drop::<String>(move _7) -> [return: bb4, unwind: bb8];
|
|
}
|
|
|
|
bb4: {
|
|
StorageDead(_7);
|
|
StorageDead(_6);
|
|
drop(_5) -> [return: bb5, unwind: bb10];
|
|
}
|
|
|
|
bb5: {
|
|
StorageDead(_5);
|
|
- drop(_4) -> [return: bb6, unwind: bb11];
|
|
+ goto -> bb6;
|
|
}
|
|
|
|
bb6: {
|
|
+ _8 = const false;
|
|
StorageDead(_4);
|
|
StorageDead(_3);
|
|
drop(_2) -> [return: bb7, unwind: bb12];
|
|
}
|
|
|
|
bb7: {
|
|
StorageDead(_2);
|
|
tailcall g();
|
|
}
|
|
|
|
bb8 (cleanup): {
|
|
- drop(_7) -> [return: bb9, unwind terminate(cleanup)];
|
|
+ goto -> bb9;
|
|
}
|
|
|
|
bb9 (cleanup): {
|
|
drop(_5) -> [return: bb10, unwind terminate(cleanup)];
|
|
}
|
|
|
|
bb10 (cleanup): {
|
|
- drop(_4) -> [return: bb11, unwind terminate(cleanup)];
|
|
+ goto -> bb14;
|
|
}
|
|
|
|
bb11 (cleanup): {
|
|
drop(_2) -> [return: bb12, unwind terminate(cleanup)];
|
|
}
|
|
|
|
bb12 (cleanup): {
|
|
resume;
|
|
+ }
|
|
+
|
|
+ bb13 (cleanup): {
|
|
+ drop(_4) -> [return: bb11, unwind terminate(cleanup)];
|
|
+ }
|
|
+
|
|
+ bb14 (cleanup): {
|
|
+ switchInt(copy _8) -> [0: bb11, otherwise: bb13];
|
|
}
|
|
}
|
|
|