- // MIR for `write_via_move_string` before LowerIntrinsics + // MIR for `write_via_move_string` after LowerIntrinsics fn write_via_move_string(_1: &mut String, _2: String) -> () { debug r => _1; // in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:31 debug v => _2; // in scope 0 at $DIR/lower_intrinsics.rs:+0:46: +0:47 let mut _0: (); // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:57: +0:57 let mut _3: *mut std::string::String; // in scope 0 at $DIR/lower_intrinsics.rs:+1:47: +1:48 let mut _4: std::string::String; // in scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 scope 1 { } bb0: { StorageLive(_3); // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48 _3 = &raw mut (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48 StorageLive(_4); // scope 1 at $DIR/lower_intrinsics.rs:+1:50: +1:51 _4 = move _2; // scope 1 at $DIR/lower_intrinsics.rs:+1:50: +1:51 - _0 = write_via_move::(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52 - // mir::Constant - // + span: $DIR/lower_intrinsics.rs:135:14: 135:46 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*mut String, String) {write_via_move::}, val: Value() } + (*_3) = move _4; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:52 } bb1: { StorageDead(_4); // scope 1 at $DIR/lower_intrinsics.rs:+1:51: +1:52 StorageDead(_3); // scope 1 at $DIR/lower_intrinsics.rs:+1:51: +1:52 goto -> bb2; // scope 0 at $DIR/lower_intrinsics.rs:+2:1: +2:2 } bb2: { return; // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2 } }