mirror of https://github.com/rust-lang/rust.git
63 lines
1.5 KiB
Diff
63 lines
1.5 KiB
Diff
- // MIR for `bound` before LowerSliceLenCalls
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+ // MIR for `bound` after LowerSliceLenCalls
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fn bound(_1: usize, _2: &[u8]) -> u8 {
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debug index => _1;
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debug slice => _2;
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let mut _0: u8;
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let mut _3: bool;
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let mut _4: usize;
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let mut _5: usize;
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let mut _6: &[u8];
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let _7: usize;
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let mut _8: usize;
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let mut _9: bool;
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bb0: {
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StorageLive(_3);
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StorageLive(_4);
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_4 = copy _1;
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StorageLive(_5);
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StorageLive(_6);
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_6 = &(*_2);
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- _5 = core::slice::<impl [u8]>::len(move _6) -> [return: bb1, unwind unreachable];
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+ _5 = PtrMetadata(move _6);
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+ goto -> bb1;
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}
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bb1: {
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StorageDead(_6);
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_3 = Lt(move _4, move _5);
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switchInt(move _3) -> [0: bb4, otherwise: bb2];
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}
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bb2: {
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StorageDead(_5);
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StorageDead(_4);
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StorageLive(_7);
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_7 = copy _1;
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_8 = Len((*_2));
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_9 = Lt(copy _7, copy _8);
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assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb3, unwind unreachable];
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}
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bb3: {
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_0 = copy (*_2)[_7];
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StorageDead(_7);
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goto -> bb5;
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}
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bb4: {
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StorageDead(_5);
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StorageDead(_4);
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_0 = const 42_u8;
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goto -> bb5;
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}
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bb5: {
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StorageDead(_3);
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return;
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}
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}
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