b611b6bbb8
GVN is actually on in release, and covers all the same things (or more), with `LowerSliceLen` changed to produce `PtrMetadata`.
106 lines
2.7 KiB
Rust
106 lines
2.7 KiB
Rust
// MIR for `range_loop` after PreCodegen
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fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
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debug slice => _1;
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debug f => _2;
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let mut _0: ();
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let mut _3: usize;
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let mut _4: usize;
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let mut _9: std::option::Option<usize>;
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let mut _11: usize;
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let mut _12: bool;
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let mut _14: &impl Fn(usize, &T);
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let mut _15: (usize, &T);
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let _16: ();
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scope 1 {
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debug ((iter: std::ops::Range<usize>).0: usize) => _4;
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debug ((iter: std::ops::Range<usize>).1: usize) => _3;
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let _10: usize;
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scope 2 {
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debug i => _10;
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let _13: &T;
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scope 3 {
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debug x => _13;
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}
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}
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scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
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scope 6 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
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let mut _6: bool;
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let _7: usize;
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let mut _8: usize;
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scope 7 {
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}
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scope 8 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
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let mut _5: usize;
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}
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}
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}
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}
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scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
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}
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bb0: {
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_3 = PtrMetadata(_1);
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StorageLive(_4);
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_4 = const 0_usize;
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goto -> bb1;
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}
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bb1: {
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StorageLive(_9);
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StorageLive(_7);
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StorageLive(_6);
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StorageLive(_5);
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_5 = _4;
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_6 = Lt(move _5, _3);
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StorageDead(_5);
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switchInt(move _6) -> [0: bb2, otherwise: bb4];
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}
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bb2: {
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StorageDead(_6);
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StorageDead(_7);
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StorageDead(_9);
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StorageDead(_4);
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drop(_2) -> [return: bb3, unwind unreachable];
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}
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bb3: {
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return;
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}
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bb4: {
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_7 = _4;
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StorageLive(_8);
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_8 = <usize as Step>::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable];
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}
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bb5: {
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_4 = move _8;
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StorageDead(_8);
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_9 = Option::<usize>::Some(_7);
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StorageDead(_6);
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StorageDead(_7);
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_10 = ((_9 as Some).0: usize);
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_11 = Len((*_1));
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_12 = Lt(_10, _11);
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assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, _10) -> [success: bb6, unwind unreachable];
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}
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bb6: {
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_13 = &(*_1)[_10];
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StorageLive(_14);
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_14 = &_2;
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StorageLive(_15);
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_15 = (_10, _13);
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_16 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _14, move _15) -> [return: bb7, unwind unreachable];
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}
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bb7: {
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StorageDead(_15);
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StorageDead(_14);
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StorageDead(_9);
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goto -> bb1;
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}
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}
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