- // MIR for `main` before ConstProp + // MIR for `main` after ConstProp fn main() -> () { let mut _0: (); // return place in scope 0 at $DIR/checked_add.rs:4:11: 4:11 let _1: u32; // in scope 0 at $DIR/checked_add.rs:5:9: 5:10 let mut _2: (u32, bool); // in scope 0 at $DIR/checked_add.rs:5:18: 5:23 scope 1 { debug x => _1; // in scope 1 at $DIR/checked_add.rs:5:9: 5:10 } bb0: { StorageLive(_1); // scope 0 at $DIR/checked_add.rs:5:9: 5:10 - _2 = CheckedAdd(const 1_u32, const 1_u32); // scope 0 at $DIR/checked_add.rs:5:18: 5:23 - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> bb1; // scope 0 at $DIR/checked_add.rs:5:18: 5:23 + _2 = const (2_u32, false); // scope 0 at $DIR/checked_add.rs:5:18: 5:23 + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> bb1; // scope 0 at $DIR/checked_add.rs:5:18: 5:23 } bb1: { - _1 = move (_2.0: u32); // scope 0 at $DIR/checked_add.rs:5:18: 5:23 + _1 = const 2_u32; // scope 0 at $DIR/checked_add.rs:5:18: 5:23 nop; // scope 0 at $DIR/checked_add.rs:4:11: 6:2 StorageDead(_1); // scope 0 at $DIR/checked_add.rs:6:1: 6:2 return; // scope 0 at $DIR/checked_add.rs:6:2: 6:2 } }