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// MIR for `test` before ElaborateDrops
fn test() -> Option<Box<u32>> {
let mut _0: std::option::Option<std::boxed::Box<u32>>; // return place in scope 0 at $DIR/issue_62289.rs:+0:14: +0:30
let mut _1: std::boxed::Box<u32>; // in scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
let mut _2: usize; // in scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
let mut _3: usize; // in scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
let mut _4: *mut u8; // in scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
let mut _5: std::boxed::Box<u32>; // in scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
let mut _6: std::ops::ControlFlow<std::option::Option<std::convert::Infallible>, u32>; // in scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
let mut _7: std::option::Option<u32>; // in scope 0 at $DIR/issue_62289.rs:+1:15: +1:19
let mut _8: isize; // in scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
let _9: std::option::Option<std::convert::Infallible>; // in scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
let mut _10: !; // in scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
let mut _11: std::option::Option<std::convert::Infallible>; // in scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
let _12: u32; // in scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
scope 1 {
}
scope 2 {
debug residual => _9; // in scope 2 at $DIR/issue_62289.rs:+1:19: +1:20
scope 3 {
}
}
scope 4 {
debug val => _12; // in scope 4 at $DIR/issue_62289.rs:+1:15: +1:20
scope 5 {
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
_2 = SizeOf(u32); // scope 1 at $DIR/issue_62289.rs:+1:10: +1:21
_3 = AlignOf(u32); // scope 1 at $DIR/issue_62289.rs:+1:10: +1:21
_4 = alloc::alloc::exchange_malloc(move _2, move _3) -> bb1; // scope 1 at $DIR/issue_62289.rs:+1:10: +1:21
// mir::Constant
// + span: $DIR/issue_62289.rs:9:10: 9:21
// + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(<ZST>) }
}
bb1: {
StorageLive(_5); // scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
_5 = ShallowInitBox(move _4, u32); // scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
StorageLive(_6); // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
StorageLive(_7); // scope 0 at $DIR/issue_62289.rs:+1:15: +1:19
_7 = Option::<u32>::None; // scope 0 at $DIR/issue_62289.rs:+1:15: +1:19
_6 = <Option<u32> as Try>::branch(move _7) -> [return: bb2, unwind: bb12]; // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
// mir::Constant
// + span: $DIR/issue_62289.rs:9:15: 9:20
// + literal: Const { ty: fn(Option<u32>) -> ControlFlow<<Option<u32> as Try>::Residual, <Option<u32> as Try>::Output> {<Option<u32> as Try>::branch}, val: Value(<ZST>) }
}
bb2: {
StorageDead(_7); // scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
_8 = discriminant(_6); // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
switchInt(move _8) -> [0: bb3, 1: bb5, otherwise: bb4]; // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
}
bb3: {
StorageLive(_12); // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
_12 = ((_6 as Continue).0: u32); // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
(*_5) = _12; // scope 5 at $DIR/issue_62289.rs:+1:15: +1:20
StorageDead(_12); // scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
_1 = move _5; // scope 0 at $DIR/issue_62289.rs:+1:10: +1:21
drop(_5) -> [return: bb7, unwind: bb11]; // scope 0 at $DIR/issue_62289.rs:+1:20: +1:21
}
bb4: {
unreachable; // scope 0 at $DIR/issue_62289.rs:+1:15: +1:20
}
bb5: {
StorageLive(_9); // scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
_9 = ((_6 as Break).0: std::option::Option<std::convert::Infallible>); // scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
StorageLive(_11); // scope 3 at $DIR/issue_62289.rs:+1:19: +1:20
_11 = _9; // scope 3 at $DIR/issue_62289.rs:+1:19: +1:20
_0 = <Option<Box<u32>> as FromResidual<Option<Infallible>>>::from_residual(move _11) -> [return: bb6, unwind: bb12]; // scope 3 at $DIR/issue_62289.rs:+1:15: +1:20
// mir::Constant
// + span: $DIR/issue_62289.rs:9:19: 9:20
// + literal: Const { ty: fn(Option<Infallible>) -> Option<Box<u32>> {<Option<Box<u32>> as FromResidual<Option<Infallible>>>::from_residual}, val: Value(<ZST>) }
}
bb6: {
StorageDead(_11); // scope 3 at $DIR/issue_62289.rs:+1:19: +1:20
StorageDead(_9); // scope 0 at $DIR/issue_62289.rs:+1:19: +1:20
drop(_5) -> bb9; // scope 0 at $DIR/issue_62289.rs:+1:20: +1:21
}
bb7: {
StorageDead(_5); // scope 0 at $DIR/issue_62289.rs:+1:20: +1:21
_0 = Option::<Box<u32>>::Some(move _1); // scope 0 at $DIR/issue_62289.rs:+1:5: +1:22
drop(_1) -> bb8; // scope 0 at $DIR/issue_62289.rs:+1:21: +1:22
}
bb8: {
StorageDead(_1); // scope 0 at $DIR/issue_62289.rs:+1:21: +1:22
StorageDead(_6); // scope 0 at $DIR/issue_62289.rs:+2:1: +2:2
goto -> bb10; // scope 0 at $DIR/issue_62289.rs:+2:2: +2:2
}
bb9: {
StorageDead(_5); // scope 0 at $DIR/issue_62289.rs:+1:20: +1:21
StorageDead(_1); // scope 0 at $DIR/issue_62289.rs:+1:21: +1:22
StorageDead(_6); // scope 0 at $DIR/issue_62289.rs:+2:1: +2:2
goto -> bb10; // scope 0 at $DIR/issue_62289.rs:+2:2: +2:2
}
bb10: {
return; // scope 0 at $DIR/issue_62289.rs:+2:2: +2:2
}
bb11 (cleanup): {
drop(_1) -> bb13; // scope 0 at $DIR/issue_62289.rs:+1:21: +1:22
}
bb12 (cleanup): {
drop(_5) -> bb13; // scope 0 at $DIR/issue_62289.rs:+1:20: +1:21
}
bb13 (cleanup): {
resume; // scope 0 at $DIR/issue_62289.rs:+0:1: +2:2
}
}
|
