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- // MIR for `add` before GVN
+ // MIR for `add` after GVN
fn add() -> u32 {
let mut _0: u32;
let mut _1: (u32, bool);
bb0: {
- _1 = CheckedAdd(const 2_u32, const 2_u32);
- assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind continue];
+ _1 = const (4_u32, false);
+ assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind continue];
}
bb1: {
- _0 = move (_1.0: u32);
+ _0 = const 4_u32;
return;
}
+ }
+
+ ALLOC0 (size: 8, align: 4) {
+ 04 00 00 00 00 __ __ __ │ .....░░░
}
|
