- // MIR for `nrvo` before RenameReturnPlace + // MIR for `nrvo` after RenameReturnPlace fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] { debug init => _1; // in scope 0 at $DIR/nrvo_simple.rs:+0:9: +0:13 - let mut _0: [u8; 1024]; // return place in scope 0 at $DIR/nrvo_simple.rs:+0:39: +0:49 + let mut _0: [u8; 1024]; // return place in scope 0 at $DIR/nrvo_simple.rs:+1:9: +1:16 let mut _2: [u8; 1024]; // in scope 0 at $DIR/nrvo_simple.rs:+1:9: +1:16 let _3: (); // in scope 0 at $DIR/nrvo_simple.rs:+2:5: +2:19 let mut _4: for<'a> fn(&'a mut [u8; 1024]); // in scope 0 at $DIR/nrvo_simple.rs:+2:5: +2:9 let mut _5: &mut [u8; 1024]; // in scope 0 at $DIR/nrvo_simple.rs:+2:10: +2:18 let mut _6: &mut [u8; 1024]; // in scope 0 at $DIR/nrvo_simple.rs:+2:10: +2:18 scope 1 { - debug buf => _2; // in scope 1 at $DIR/nrvo_simple.rs:+1:9: +1:16 + debug buf => _0; // in scope 1 at $DIR/nrvo_simple.rs:+1:9: +1:16 } bb0: { - StorageLive(_2); // scope 0 at $DIR/nrvo_simple.rs:+1:9: +1:16 - _2 = [const 0_u8; 1024]; // scope 0 at $DIR/nrvo_simple.rs:+1:19: +1:28 + _0 = [const 0_u8; 1024]; // scope 0 at $DIR/nrvo_simple.rs:+1:19: +1:28 StorageLive(_3); // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:19 StorageLive(_4); // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:9 _4 = _1; // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:9 StorageLive(_5); // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18 StorageLive(_6); // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18 - _6 = &mut _2; // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18 + _6 = &mut _0; // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18 _5 = &mut (*_6); // scope 1 at $DIR/nrvo_simple.rs:+2:10: +2:18 _3 = move _4(move _5) -> bb1; // scope 1 at $DIR/nrvo_simple.rs:+2:5: +2:19 } bb1: { StorageDead(_5); // scope 1 at $DIR/nrvo_simple.rs:+2:18: +2:19 StorageDead(_4); // scope 1 at $DIR/nrvo_simple.rs:+2:18: +2:19 StorageDead(_6); // scope 1 at $DIR/nrvo_simple.rs:+2:19: +2:20 StorageDead(_3); // scope 1 at $DIR/nrvo_simple.rs:+2:19: +2:20 - _0 = _2; // scope 1 at $DIR/nrvo_simple.rs:+3:5: +3:8 - StorageDead(_2); // scope 0 at $DIR/nrvo_simple.rs:+4:1: +4:2 return; // scope 0 at $DIR/nrvo_simple.rs:+4:2: +4:2 } }