mirror of https://github.com/rust-lang/rust
44 lines
1.2 KiB
Diff
44 lines
1.2 KiB
Diff
- // MIR for `main` before DataflowConstProp
|
|
+ // MIR for `main` after DataflowConstProp
|
|
|
|
fn main() -> () {
|
|
let mut _0: ();
|
|
let mut _1: u8;
|
|
let mut _2: u8;
|
|
let mut _3: u8;
|
|
scope 1 {
|
|
}
|
|
scope 2 (inlined #[track_caller] <u8 as Add>::add) {
|
|
let mut _4: (u8, bool);
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_1);
|
|
StorageLive(_2);
|
|
_2 = const u8::MAX;
|
|
StorageLive(_3);
|
|
_3 = const 1_u8;
|
|
StorageLive(_4);
|
|
- _4 = AddWithOverflow(copy _2, copy _3);
|
|
- assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", copy _2, copy _3) -> [success: bb1, unwind continue];
|
|
+ _4 = const (0_u8, true);
|
|
+ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> [success: bb1, unwind continue];
|
|
}
|
|
|
|
bb1: {
|
|
- _1 = move (_4.0: u8);
|
|
+ _1 = const 0_u8;
|
|
StorageDead(_4);
|
|
StorageDead(_3);
|
|
StorageDead(_2);
|
|
StorageDead(_1);
|
|
_0 = const ();
|
|
return;
|
|
}
|
|
+ }
|
|
+
|
|
+ ALLOC0 (size: 2, align: 1) {
|
|
+ 00 01 │ ..
|
|
}
|
|
|