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|
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: ();
let _1: i32;
let mut _4: i32;
let mut _5: i32;
let mut _6: (i32, bool);
let mut _9: i32;
let mut _10: (i32, bool);
scope 1 {
debug a => _1;
let _2: i32;
scope 2 {
debug b => _2;
let _3: i32;
scope 3 {
debug c => _3;
let _7: i32;
scope 4 {
debug d => _7;
let _8: i32;
scope 5 {
debug e => _8;
}
}
}
}
}
bb0: {
StorageLive(_1);
_1 = const 1_i32;
StorageLive(_2);
_2 = const 2_i32;
StorageLive(_3);
StorageLive(_4);
- _4 = _1;
+ _4 = const 1_i32;
StorageLive(_5);
- _5 = _2;
- _6 = CheckedAdd(_4, _5);
- assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> [success: bb1, unwind unreachable];
+ _5 = const 2_i32;
+ _6 = CheckedAdd(const 1_i32, const 2_i32);
+ assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_i32, const 2_i32) -> [success: bb1, unwind unreachable];
}
bb1: {
- _3 = move (_6.0: i32);
+ _3 = const 3_i32;
StorageDead(_5);
StorageDead(_4);
StorageLive(_7);
_7 = const _;
StorageLive(_8);
StorageLive(_9);
- _9 = _7;
- _10 = CheckedAdd(_9, const 1_i32);
- assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> [success: bb2, unwind unreachable];
+ _9 = const i32::MAX;
+ _10 = CheckedAdd(const i32::MAX, const 1_i32);
+ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> [success: bb2, unwind unreachable];
}
bb2: {
- _8 = move (_10.0: i32);
+ _8 = const i32::MIN;
StorageDead(_9);
_0 = const ();
StorageDead(_8);
StorageDead(_7);
StorageDead(_3);
StorageDead(_2);
StorageDead(_1);
return;
}
}
|
