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|
- // MIR for `unwind` before EarlyOtherwiseBranch
+ // MIR for `unwind` after EarlyOtherwiseBranch
fn unwind(_1: Option<Option<Option<T>>>) -> () {
debug val => _1;
let mut _0: ();
let mut _2: isize;
let mut _3: isize;
let mut _4: isize;
let _5: T;
let mut _6: bool;
let mut _7: bool;
let mut _8: isize;
scope 1 {
debug _v => _5;
}
bb0: {
_6 = const false;
_7 = const false;
_6 = const true;
_7 = const true;
_4 = discriminant(_1);
switchInt(copy _4) -> [0: bb4, 1: bb2, otherwise: bb1];
}
bb1: {
unreachable;
}
bb2: {
_3 = discriminant(((_1 as Some).0: std::option::Option<std::option::Option<T>>));
switchInt(copy _3) -> [0: bb5, 1: bb3, otherwise: bb1];
}
bb3: {
_2 = discriminant(((((_1 as Some).0: std::option::Option<std::option::Option<T>>) as Some).0: std::option::Option<T>));
switchInt(copy _2) -> [0: bb6, 1: bb7, otherwise: bb1];
}
bb4: {
_0 = const ();
goto -> bb17;
}
bb5: {
_0 = const ();
goto -> bb17;
}
bb6: {
_0 = const ();
goto -> bb17;
}
bb7: {
StorageLive(_5);
_5 = move ((((((_1 as Some).0: std::option::Option<std::option::Option<T>>) as Some).0: std::option::Option<T>) as Some).0: T);
_0 = const ();
drop(_5) -> [return: bb8, unwind: bb20];
}
bb8: {
StorageDead(_5);
goto -> bb17;
}
bb9 (cleanup): {
resume;
}
bb10: {
return;
}
bb11: {
switchInt(copy _6) -> [0: bb12, otherwise: bb16];
}
bb12: {
_6 = const false;
goto -> bb10;
}
bb13: {
switchInt(copy _7) -> [0: bb14, otherwise: bb15];
}
bb14: {
_7 = const false;
goto -> bb12;
}
bb15: {
goto -> bb14;
}
bb16: {
_8 = discriminant(((_1 as Some).0: std::option::Option<std::option::Option<T>>));
switchInt(move _8) -> [1: bb13, otherwise: bb12];
}
bb17: {
switchInt(copy _4) -> [1: bb11, otherwise: bb10];
}
bb18 (cleanup): {
switchInt(copy _3) -> [1: bb19, otherwise: bb9];
}
bb19 (cleanup): {
goto -> bb9;
}
bb20 (cleanup): {
switchInt(copy _4) -> [1: bb18, otherwise: bb9];
}
}
|
