mirror of https://github.com/rust-lang/rust.git
103 lines
2.5 KiB
Rust
103 lines
2.5 KiB
Rust
// MIR for `int_range` after PreCodegen
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fn int_range(_1: usize, _2: usize) -> () {
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debug start => _1;
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debug end => _2;
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let mut _0: ();
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let mut _3: usize;
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let mut _6: std::option::Option<usize>;
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let mut _9: isize;
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let _11: ();
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scope 1 {
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debug iter => std::ops::Range<usize>{ .0 => _3, .1 => _2, };
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let _10: usize;
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scope 2 {
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debug i => _10;
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}
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scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
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debug self => &std::ops::Range<usize>{ .0 => _3, .1 => _2, };
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scope 5 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
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debug self => &std::ops::Range<usize>{ .0 => _3, .1 => _2, };
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let mut _5: bool;
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let _7: usize;
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let mut _8: usize;
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scope 6 {
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debug old => _7;
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scope 7 {
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}
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}
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scope 8 (inlined cmp::impls::<impl PartialOrd for usize>::lt) {
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debug self => &_3;
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debug other => &_2;
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let mut _4: usize;
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}
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}
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}
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}
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scope 3 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
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debug self => std::ops::Range<usize>{ .0 => _1, .1 => _2, };
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}
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bb0: {
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StorageLive(_3);
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_3 = _1;
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goto -> bb1;
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}
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bb1: {
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StorageLive(_6);
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StorageLive(_7);
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StorageLive(_5);
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StorageLive(_4);
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_4 = _3;
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_5 = Lt(move _4, _2);
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StorageDead(_4);
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switchInt(move _5) -> [0: bb2, otherwise: bb3];
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}
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bb2: {
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_6 = Option::<usize>::None;
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goto -> bb5;
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}
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bb3: {
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_7 = _3;
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StorageLive(_8);
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_8 = <usize as Step>::forward_unchecked(_7, const 1_usize) -> [return: bb4, unwind continue];
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}
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bb4: {
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_3 = move _8;
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StorageDead(_8);
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_6 = Option::<usize>::Some(_7);
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goto -> bb5;
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}
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bb5: {
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StorageDead(_5);
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StorageDead(_7);
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_9 = discriminant(_6);
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switchInt(move _9) -> [0: bb6, 1: bb7, otherwise: bb9];
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}
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bb6: {
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StorageDead(_6);
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StorageDead(_3);
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return;
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}
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bb7: {
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_10 = ((_6 as Some).0: usize);
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_11 = opaque::<usize>(move _10) -> [return: bb8, unwind continue];
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}
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bb8: {
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StorageDead(_6);
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goto -> bb1;
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}
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bb9: {
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unreachable;
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}
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}
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