130 lines
3.5 KiB
Diff
130 lines
3.5 KiB
Diff
- // MIR for `main` before CopyProp
|
|
+ // MIR for `main` after CopyProp
|
|
|
|
fn main() -> () {
|
|
let mut _0: ();
|
|
let mut _1: i32;
|
|
let mut _3: std::ops::Range<usize>;
|
|
let mut _4: std::ops::Range<usize>;
|
|
let mut _5: usize;
|
|
let mut _6: &[i32];
|
|
let mut _7: &[i32; 4];
|
|
let mut _9: ();
|
|
let _10: ();
|
|
let mut _11: std::option::Option<usize>;
|
|
let mut _12: &mut std::ops::Range<usize>;
|
|
let mut _13: &mut std::ops::Range<usize>;
|
|
let mut _14: isize;
|
|
let mut _15: !;
|
|
let mut _17: i32;
|
|
let _18: usize;
|
|
let mut _19: usize;
|
|
let mut _20: bool;
|
|
scope 1 {
|
|
debug sum => _1;
|
|
let _2: [i32; 4];
|
|
scope 2 {
|
|
debug a => _2;
|
|
let mut _8: std::ops::Range<usize>;
|
|
scope 3 {
|
|
debug iter => _8;
|
|
let _16: usize;
|
|
scope 4 {
|
|
debug i => _16;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_1);
|
|
_1 = const 0_i32;
|
|
StorageLive(_2);
|
|
_2 = [const 0_i32, const 10_i32, const 20_i32, const 30_i32];
|
|
StorageLive(_3);
|
|
StorageLive(_4);
|
|
StorageLive(_5);
|
|
StorageLive(_6);
|
|
StorageLive(_7);
|
|
_7 = &_2;
|
|
_6 = move _7 as &[i32] (Pointer(Unsize));
|
|
StorageDead(_7);
|
|
_5 = core::slice::<impl [i32]>::len(move _6) -> [return: bb1, unwind continue];
|
|
}
|
|
|
|
bb1: {
|
|
StorageDead(_6);
|
|
_4 = std::ops::Range::<usize> { start: const 0_usize, end: move _5 };
|
|
StorageDead(_5);
|
|
_3 = <std::ops::Range<usize> as IntoIterator>::into_iter(move _4) -> [return: bb2, unwind continue];
|
|
}
|
|
|
|
bb2: {
|
|
StorageDead(_4);
|
|
StorageLive(_8);
|
|
_8 = move _3;
|
|
goto -> bb3;
|
|
}
|
|
|
|
bb3: {
|
|
- StorageLive(_10);
|
|
StorageLive(_11);
|
|
StorageLive(_12);
|
|
StorageLive(_13);
|
|
_13 = &mut _8;
|
|
_12 = &mut (*_13);
|
|
_11 = <std::ops::Range<usize> as Iterator>::next(move _12) -> [return: bb4, unwind continue];
|
|
}
|
|
|
|
bb4: {
|
|
StorageDead(_12);
|
|
_14 = discriminant(_11);
|
|
switchInt(move _14) -> [0: bb7, 1: bb5, otherwise: bb6];
|
|
}
|
|
|
|
bb5: {
|
|
- StorageLive(_16);
|
|
_16 = ((_11 as Some).0: usize);
|
|
StorageLive(_17);
|
|
- StorageLive(_18);
|
|
- _18 = _16;
|
|
_19 = Len(_2);
|
|
- _20 = Lt(_18, _19);
|
|
- assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, _18) -> [success: bb8, unwind continue];
|
|
+ _20 = Lt(_16, _19);
|
|
+ assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, _16) -> [success: bb8, unwind continue];
|
|
}
|
|
|
|
bb6: {
|
|
unreachable;
|
|
}
|
|
|
|
bb7: {
|
|
_0 = const ();
|
|
StorageDead(_13);
|
|
StorageDead(_11);
|
|
- StorageDead(_10);
|
|
StorageDead(_8);
|
|
StorageDead(_3);
|
|
StorageDead(_2);
|
|
StorageDead(_1);
|
|
return;
|
|
}
|
|
|
|
bb8: {
|
|
- _17 = _2[_18];
|
|
+ _17 = _2[_16];
|
|
_1 = Add(_1, move _17);
|
|
StorageDead(_17);
|
|
- StorageDead(_18);
|
|
- _10 = const ();
|
|
- StorageDead(_16);
|
|
StorageDead(_13);
|
|
StorageDead(_11);
|
|
- StorageDead(_10);
|
|
- _9 = const ();
|
|
goto -> bb3;
|
|
}
|
|
}
|
|
|