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b3a47d9b6b
This commit desugars the drop and replace deriving from an assignment at MIR build, avoiding the construction of the DropAndReplace terminator (which will be removed in a followign PR) In order to retain the same error messages for replaces a new DesugaringKind::Replace variant is introduced.
102 lines
5.2 KiB
Diff
102 lines
5.2 KiB
Diff
- // MIR for `test` before ElaborateDrops
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+ // MIR for `test` after ElaborateDrops
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fn test() -> () {
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let mut _0: (); // return place in scope 0 at $DIR/issue_41110.rs:+0:15: +0:15
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let _1: S; // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
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let _3: (); // in scope 0 at $DIR/issue_41110.rs:+3:5: +3:12
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let mut _4: S; // in scope 0 at $DIR/issue_41110.rs:+3:10: +3:11
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let mut _5: S; // in scope 0 at $DIR/issue_41110.rs:+4:9: +4:10
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+ let mut _6: bool; // in scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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scope 1 {
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debug u => _1; // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10
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let mut _2: S; // in scope 1 at $DIR/issue_41110.rs:+2:9: +2:14
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scope 2 {
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debug v => _2; // in scope 2 at $DIR/issue_41110.rs:+2:9: +2:14
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}
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}
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bb0: {
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+ _6 = const false; // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
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StorageLive(_1); // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10
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+ _6 = const true; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
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_1 = S; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14
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StorageLive(_2); // scope 1 at $DIR/issue_41110.rs:+2:9: +2:14
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_2 = S; // scope 1 at $DIR/issue_41110.rs:+2:17: +2:18
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StorageLive(_3); // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12
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StorageLive(_4); // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11
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_4 = move _2; // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11
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_3 = std::mem::drop::<S>(move _4) -> [return: bb1, unwind: bb7]; // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12
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// mir::Constant
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// + span: $DIR/issue_41110.rs:17:5: 17:9
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// + literal: Const { ty: fn(S) {std::mem::drop::<S>}, val: Value(<ZST>) }
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}
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bb1: {
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StorageDead(_4); // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12
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StorageDead(_3); // scope 2 at $DIR/issue_41110.rs:+3:12: +3:13
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StorageLive(_5); // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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+ _6 = const false; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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_5 = move _1; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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- drop(_2) -> [return: bb2, unwind: bb3]; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
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+ goto -> bb2; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
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}
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bb2: {
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_2 = move _5; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
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- drop(_5) -> [return: bb4, unwind: bb8]; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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+ goto -> bb4; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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}
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bb3 (cleanup): {
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_2 = move _5; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6
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drop(_5) -> bb8; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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}
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bb4: {
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StorageDead(_5); // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10
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_0 = const (); // scope 0 at $DIR/issue_41110.rs:+0:15: +5:2
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drop(_2) -> [return: bb5, unwind: bb9]; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
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}
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bb5: {
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StorageDead(_2); // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
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- drop(_1) -> bb6; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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+ goto -> bb6; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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}
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bb6: {
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+ _6 = const false; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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StorageDead(_1); // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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return; // scope 0 at $DIR/issue_41110.rs:+5:2: +5:2
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}
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bb7 (cleanup): {
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- drop(_4) -> bb8; // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12
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+ goto -> bb8; // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12
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}
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bb8 (cleanup): {
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- drop(_2) -> bb9; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
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+ goto -> bb9; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2
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}
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bb9 (cleanup): {
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- drop(_1) -> bb10; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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+ goto -> bb12; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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}
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bb10 (cleanup): {
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resume; // scope 0 at $DIR/issue_41110.rs:+0:1: +5:2
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+ }
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+
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+ bb11 (cleanup): {
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+ drop(_1) -> bb10; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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+ }
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+
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+ bb12 (cleanup): {
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+ switchInt(_6) -> [0: bb10, otherwise: bb11]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2
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}
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}
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