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