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