- // MIR for `nrvo` before RenameReturnPlace + // MIR for `nrvo` after RenameReturnPlace fn nrvo(_1: for<'r> fn(&'r mut [u8; 1024])) -> [u8; 1024] { debug init => _1; // in scope 0 at $DIR/nrvo-simple.rs:4:9: 4:13 - let mut _0: [u8; 1024]; // return place in scope 0 at $DIR/nrvo-simple.rs:4:39: 4:49 + let mut _0: [u8; 1024]; // return place in scope 0 at $DIR/nrvo-simple.rs:5:9: 5:16 let mut _2: [u8; 1024]; // in scope 0 at $DIR/nrvo-simple.rs:5:9: 5:16 let _3: (); // in scope 0 at $DIR/nrvo-simple.rs:6:5: 6:19 let mut _4: for<'r> fn(&'r mut [u8; 1024]); // in scope 0 at $DIR/nrvo-simple.rs:6:5: 6:9 let mut _5: &mut [u8; 1024]; // in scope 0 at $DIR/nrvo-simple.rs:6:10: 6:18 let mut _6: &mut [u8; 1024]; // in scope 0 at $DIR/nrvo-simple.rs:6:10: 6:18 scope 1 { - debug buf => _2; // in scope 1 at $DIR/nrvo-simple.rs:5:9: 5:16 + debug buf => _0; // in scope 1 at $DIR/nrvo-simple.rs:5:9: 5:16 } bb0: { - StorageLive(_2); // scope 0 at $DIR/nrvo-simple.rs:5:9: 5:16 - _2 = [const 0_u8; 1024]; // scope 0 at $DIR/nrvo-simple.rs:5:19: 5:28 + _0 = [const 0_u8; 1024]; // scope 0 at $DIR/nrvo-simple.rs:5:19: 5:28 StorageLive(_3); // scope 1 at $DIR/nrvo-simple.rs:6:5: 6:19 StorageLive(_4); // scope 1 at $DIR/nrvo-simple.rs:6:5: 6:9 _4 = _1; // scope 1 at $DIR/nrvo-simple.rs:6:5: 6:9 StorageLive(_5); // scope 1 at $DIR/nrvo-simple.rs:6:10: 6:18 StorageLive(_6); // scope 1 at $DIR/nrvo-simple.rs:6:10: 6:18 - _6 = &mut _2; // scope 1 at $DIR/nrvo-simple.rs:6:10: 6:18 + _6 = &mut _0; // scope 1 at $DIR/nrvo-simple.rs:6:10: 6:18 _5 = &mut (*_6); // scope 1 at $DIR/nrvo-simple.rs:6:10: 6:18 _3 = move _4(move _5) -> bb1; // scope 1 at $DIR/nrvo-simple.rs:6:5: 6:19 } bb1: { StorageDead(_5); // scope 1 at $DIR/nrvo-simple.rs:6:18: 6:19 StorageDead(_4); // scope 1 at $DIR/nrvo-simple.rs:6:18: 6:19 StorageDead(_6); // scope 1 at $DIR/nrvo-simple.rs:6:19: 6:20 StorageDead(_3); // scope 1 at $DIR/nrvo-simple.rs:6:19: 6:20 - _0 = _2; // scope 1 at $DIR/nrvo-simple.rs:7:5: 7:8 - StorageDead(_2); // scope 0 at $DIR/nrvo-simple.rs:8:1: 8:2 return; // scope 0 at $DIR/nrvo-simple.rs:8:2: 8:2 } }