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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 _8: std::option::Option<usize>;
let mut _11: isize;
let _13: ();
let mut _14: &mut std::ops::Range<usize>;
scope 1 {
debug iter => _4;
let _12: usize;
scope 2 {
debug i => _12;
}
scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
debug self => _14;
scope 5 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
debug self => _14;
let mut _7: bool;
let _9: usize;
let mut _10: usize;
let mut _15: &usize;
let mut _16: &usize;
scope 6 {
debug old => _9;
scope 7 {
}
}
scope 8 (inlined cmp::impls::<impl PartialOrd for usize>::lt) {
debug self => _15;
debug other => _16;
let mut _5: usize;
let mut _6: usize;
}
}
}
}
scope 3 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
debug self => _3;
}
bb0: {
_3 = std::ops::Range::<usize> { start: _1, end: _2 };
StorageLive(_4);
_4 = move _3;
goto -> bb1;
}
bb1: {
StorageLive(_8);
StorageLive(_9);
StorageLive(_7);
StorageLive(_15);
StorageLive(_16);
StorageLive(_5);
_5 = (_4.0: usize);
StorageLive(_6);
_6 = (_4.1: usize);
_7 = Lt(move _5, move _6);
StorageDead(_6);
StorageDead(_5);
StorageDead(_16);
StorageDead(_15);
switchInt(move _7) -> [0: bb2, otherwise: bb3];
}
bb2: {
_8 = Option::<usize>::None;
goto -> bb5;
}
bb3: {
_9 = (_4.0: usize);
StorageLive(_10);
_10 = <usize as Step>::forward_unchecked(_9, const 1_usize) -> [return: bb4, unwind continue];
}
bb4: {
(_4.0: usize) = move _10;
StorageDead(_10);
_8 = Option::<usize>::Some(_9);
goto -> bb5;
}
bb5: {
StorageDead(_7);
StorageDead(_9);
_11 = discriminant(_8);
switchInt(move _11) -> [0: bb6, 1: bb7, otherwise: bb9];
}
bb6: {
StorageDead(_8);
StorageDead(_4);
return;
}
bb7: {
_12 = ((_8 as Some).0: usize);
_13 = opaque::<usize>(move _12) -> [return: bb8, unwind continue];
}
bb8: {
StorageDead(_8);
goto -> bb1;
}
bb9: {
unreachable;
}
}
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