// MIR for `add` before PreCodegen fn add() -> u32 { let mut _0: u32; // return place in scope 0 at $DIR/return_place.rs:5:13: 5:16 bb0: { _0 = const 4_u32; // scope 0 at $DIR/return_place.rs:6:5: 6:10 // ty::Const // + ty: u32 // + val: Value(Scalar(0x00000004)) // mir::Constant // + span: $DIR/return_place.rs:6:5: 6:10 // + literal: Const { ty: u32, val: Value(Scalar(0x00000004)) } return; // scope 0 at $DIR/return_place.rs:7:2: 7:2 } }