- // MIR for `main` before ConstProp + // MIR for `main` after ConstProp fn main() -> () { let mut _0: (); // return place in scope 0 at $DIR/scalar_literal_propagation.rs:+0:11: +0:11 let _1: u32; // in scope 0 at $DIR/scalar_literal_propagation.rs:+1:9: +1:10 let _2: (); // in scope 0 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15 let mut _3: u32; // in scope 0 at $DIR/scalar_literal_propagation.rs:+2:13: +2:14 scope 1 { debug x => _1; // in scope 1 at $DIR/scalar_literal_propagation.rs:+1:9: +1:10 } bb0: { _1 = const 1_u32; // scope 0 at $DIR/scalar_literal_propagation.rs:+1:13: +1:14 - _2 = consume(_1) -> bb1; // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15 + _2 = consume(const 1_u32) -> bb1; // scope 1 at $DIR/scalar_literal_propagation.rs:+2:5: +2:15 // mir::Constant // + span: $DIR/scalar_literal_propagation.rs:4:5: 4:12 // + literal: Const { ty: fn(u32) {consume}, val: Value() } } bb1: { return; // scope 0 at $DIR/scalar_literal_propagation.rs:+3:2: +3:2 } }