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// MIR for `int_range` after PreCodegen
fn int_range(_1: usize, _2: usize) -> () {
debug start => _1;
debug end => _2;
let mut _0: ();
let mut _3: std::ops::Range<usize>;
let mut _4: std::ops::Range<usize>;
let mut _5: &mut std::ops::Range<usize>;
let mut _13: std::option::Option<usize>;
let _15: ();
scope 1 {
debug iter => _4;
let _14: usize;
scope 2 {
debug i => _14;
}
scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
debug self => _5;
scope 5 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
debug self => _5;
let mut _6: &usize;
let mut _7: &usize;
let mut _10: bool;
let _11: usize;
let mut _12: usize;
scope 6 {
debug old => _11;
}
scope 7 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
debug self => _6;
debug other => _7;
let mut _8: usize;
let mut _9: usize;
}
}
}
}
scope 3 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
debug self => _3;
}
bb0: {
_3 = std::ops::Range::<usize> { start: copy _1, end: copy _2 };
StorageLive(_4);
_4 = copy _3;
goto -> bb1;
}
bb1: {
StorageLive(_13);
_5 = &mut _4;
StorageLive(_11);
StorageLive(_10);
StorageLive(_6);
_6 = &(_4.0: usize);
StorageLive(_7);
_7 = &(_4.1: usize);
StorageLive(_8);
_8 = copy (_4.0: usize);
StorageLive(_9);
_9 = copy (_4.1: usize);
_10 = Lt(move _8, move _9);
StorageDead(_9);
StorageDead(_8);
switchInt(move _10) -> [0: bb2, otherwise: bb3];
}
bb2: {
StorageDead(_7);
StorageDead(_6);
StorageDead(_10);
StorageDead(_11);
StorageDead(_13);
StorageDead(_4);
return;
}
bb3: {
StorageDead(_7);
StorageDead(_6);
_11 = copy (_4.0: usize);
StorageLive(_12);
_12 = <usize as Step>::forward_unchecked(copy _11, const 1_usize) -> [return: bb4, unwind continue];
}
bb4: {
(_4.0: usize) = move _12;
StorageDead(_12);
_13 = Option::<usize>::Some(copy _11);
StorageDead(_10);
StorageDead(_11);
_14 = copy ((_13 as Some).0: usize);
_15 = opaque::<usize>(move _14) -> [return: bb5, unwind continue];
}
bb5: {
StorageDead(_13);
goto -> bb1;
}
}
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