rust/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
2023-06-15 15:19:11 -04:00

156 lines
3.8 KiB
Rust

// MIR for `range_loop` after PreCodegen
fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
debug slice => _1;
debug f => _2;
let mut _0: ();
let mut _3: usize;
let mut _4: std::ops::Range<usize>;
let mut _5: std::ops::Range<usize>;
let mut _6: &mut std::ops::Range<usize>;
let mut _12: std::option::Option<usize>;
let mut _15: isize;
let mut _17: usize;
let mut _18: bool;
let mut _20: &impl Fn(usize, &T);
let mut _21: (usize, &T);
let _22: ();
scope 1 {
debug iter => _5;
let _16: usize;
scope 2 {
debug i => _16;
let _19: &T;
scope 3 {
debug x => _19;
}
}
scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
debug self => _6;
scope 6 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
debug self => _6;
let mut _7: &usize;
let mut _8: &usize;
let mut _11: bool;
let _13: usize;
let mut _14: usize;
scope 7 {
debug old => _13;
scope 8 {
}
}
scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::lt) {
debug self => _7;
debug other => _8;
let mut _9: usize;
let mut _10: usize;
}
}
}
}
scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
debug self => _4;
}
bb0: {
StorageLive(_3);
_3 = Len((*_1));
_4 = std::ops::Range::<usize> { start: const 0_usize, end: move _3 };
StorageDead(_3);
StorageLive(_5);
_5 = move _4;
goto -> bb1;
}
bb1: {
StorageLive(_12);
_6 = &mut _5;
StorageLive(_13);
StorageLive(_11);
StorageLive(_7);
_7 = &((*_6).0: usize);
StorageLive(_8);
_8 = &((*_6).1: usize);
StorageLive(_9);
_9 = (*_7);
StorageLive(_10);
_10 = (*_8);
_11 = Lt(move _9, move _10);
StorageDead(_10);
StorageDead(_9);
StorageDead(_8);
StorageDead(_7);
switchInt(move _11) -> [0: bb2, otherwise: bb3];
}
bb2: {
_12 = Option::<usize>::None;
goto -> bb5;
}
bb3: {
_13 = ((*_6).0: usize);
StorageLive(_14);
_14 = <usize as Step>::forward_unchecked(_13, const 1_usize) -> [return: bb4, unwind: bb12];
}
bb4: {
((*_6).0: usize) = move _14;
StorageDead(_14);
_12 = Option::<usize>::Some(_13);
goto -> bb5;
}
bb5: {
StorageDead(_11);
StorageDead(_13);
_15 = discriminant(_12);
switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb11];
}
bb6: {
StorageDead(_12);
StorageDead(_5);
drop(_2) -> bb7;
}
bb7: {
return;
}
bb8: {
_16 = ((_12 as Some).0: usize);
_17 = Len((*_1));
_18 = Lt(_16, _17);
assert(move _18, "index out of bounds: the length is {} but the index is {}", move _17, _16) -> [success: bb9, unwind: bb12];
}
bb9: {
_19 = &(*_1)[_16];
StorageLive(_20);
_20 = &_2;
StorageLive(_21);
_21 = (_16, _19);
_22 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _20, move _21) -> [return: bb10, unwind: bb12];
}
bb10: {
StorageDead(_21);
StorageDead(_20);
StorageDead(_12);
goto -> bb1;
}
bb11: {
unreachable;
}
bb12 (cleanup): {
drop(_2) -> [return: bb13, unwind terminate];
}
bb13 (cleanup): {
resume;
}
}