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| 1 | +- // MIR for `chain` before CopyPropagation |
| 2 | ++ // MIR for `chain` after CopyPropagation |
| 3 | + |
| 4 | + fn chain(_1: T) -> T { |
| 5 | + debug a => _1; // in scope 0 at $DIR/copy_propagation.rs:16:23: 16:28 |
| 6 | + let mut _2: T; // in scope 0 at $DIR/copy_propagation.rs:17:9: 17:14 |
| 7 | + let mut _4: T; // in scope 0 at $DIR/copy_propagation.rs:19:9: 19:10 |
| 8 | + let mut _5: T; // in scope 0 at $DIR/copy_propagation.rs:20:9: 20:10 |
| 9 | + let mut _6: T; // in scope 0 at $DIR/copy_propagation.rs:21:9: 21:10 |
| 10 | + let mut _7: T; // in scope 0 at $DIR/copy_propagation.rs:22:9: 22:10 |
| 11 | + let mut _8: T; // in scope 0 at $DIR/copy_propagation.rs:23:9: 23:10 |
| 12 | + scope 1 { |
| 13 | + debug b => _2; // in scope 1 at $DIR/copy_propagation.rs:17:9: 17:14 |
| 14 | + let mut _3: T; // in scope 1 at $DIR/copy_propagation.rs:18:9: 18:14 |
| 15 | + scope 2 { |
| 16 | + debug c => _3; // in scope 2 at $DIR/copy_propagation.rs:18:9: 18:14 |
| 17 | + let mut _0: T; // return place in scope 2 at $DIR/copy_propagation.rs:25:9: 25:10 |
| 18 | + let _9: T; // in scope 2 at $DIR/copy_propagation.rs:25:9: 25:10 |
| 19 | + scope 3 { |
| 20 | + debug d => _0; // in scope 3 at $DIR/copy_propagation.rs:25:9: 25:10 |
| 21 | + } |
| 22 | + } |
| 23 | + } |
| 24 | + |
| 25 | + bb0: { |
| 26 | + StorageLive(_2); // scope 0 at $DIR/copy_propagation.rs:17:9: 17:14 |
| 27 | + StorageLive(_3); // scope 1 at $DIR/copy_propagation.rs:18:9: 18:14 |
| 28 | + StorageLive(_4); // scope 2 at $DIR/copy_propagation.rs:19:9: 19:10 |
| 29 | + _4 = _1; // scope 2 at $DIR/copy_propagation.rs:19:9: 19:10 |
| 30 | +- _2 = move _4; // scope 2 at $DIR/copy_propagation.rs:19:5: 19:10 |
| 31 | ++ _2 = _1; // scope 2 at $DIR/copy_propagation.rs:19:5: 19:10 |
| 32 | + StorageDead(_4); // scope 2 at $DIR/copy_propagation.rs:19:9: 19:10 |
| 33 | + StorageLive(_5); // scope 2 at $DIR/copy_propagation.rs:20:9: 20:10 |
| 34 | +- _5 = _2; // scope 2 at $DIR/copy_propagation.rs:20:9: 20:10 |
| 35 | +- _3 = move _5; // scope 2 at $DIR/copy_propagation.rs:20:5: 20:10 |
| 36 | ++ _5 = _1; // scope 2 at $DIR/copy_propagation.rs:20:9: 20:10 |
| 37 | ++ _3 = _1; // scope 2 at $DIR/copy_propagation.rs:20:5: 20:10 |
| 38 | + StorageDead(_5); // scope 2 at $DIR/copy_propagation.rs:20:9: 20:10 |
| 39 | + StorageLive(_6); // scope 2 at $DIR/copy_propagation.rs:21:9: 21:10 |
| 40 | +- _6 = _3; // scope 2 at $DIR/copy_propagation.rs:21:9: 21:10 |
| 41 | +- _1 = move _6; // scope 2 at $DIR/copy_propagation.rs:21:5: 21:10 |
| 42 | ++ _6 = _1; // scope 2 at $DIR/copy_propagation.rs:21:9: 21:10 |
| 43 | ++ _1 = _6; // scope 2 at $DIR/copy_propagation.rs:21:5: 21:10 |
| 44 | + StorageDead(_6); // scope 2 at $DIR/copy_propagation.rs:21:9: 21:10 |
| 45 | + StorageLive(_7); // scope 2 at $DIR/copy_propagation.rs:22:9: 22:10 |
| 46 | + _7 = _1; // scope 2 at $DIR/copy_propagation.rs:22:9: 22:10 |
| 47 | +- _2 = move _7; // scope 2 at $DIR/copy_propagation.rs:22:5: 22:10 |
| 48 | ++ _2 = _1; // scope 2 at $DIR/copy_propagation.rs:22:5: 22:10 |
| 49 | + StorageDead(_7); // scope 2 at $DIR/copy_propagation.rs:22:9: 22:10 |
| 50 | + StorageLive(_8); // scope 2 at $DIR/copy_propagation.rs:23:9: 23:10 |
| 51 | +- _8 = _2; // scope 2 at $DIR/copy_propagation.rs:23:9: 23:10 |
| 52 | +- _3 = move _8; // scope 2 at $DIR/copy_propagation.rs:23:5: 23:10 |
| 53 | ++ _8 = _1; // scope 2 at $DIR/copy_propagation.rs:23:9: 23:10 |
| 54 | ++ _3 = _1; // scope 2 at $DIR/copy_propagation.rs:23:5: 23:10 |
| 55 | + StorageDead(_8); // scope 2 at $DIR/copy_propagation.rs:23:9: 23:10 |
| 56 | +- _0 = _3; // scope 2 at $DIR/copy_propagation.rs:25:13: 25:14 |
| 57 | ++ _0 = _1; // scope 2 at $DIR/copy_propagation.rs:25:13: 25:14 |
| 58 | + StorageDead(_3); // scope 1 at $DIR/copy_propagation.rs:27:1: 27:2 |
| 59 | + StorageDead(_2); // scope 0 at $DIR/copy_propagation.rs:27:1: 27:2 |
| 60 | + return; // scope 0 at $DIR/copy_propagation.rs:27:2: 27:2 |
| 61 | + } |
| 62 | + } |
| 63 | + |
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