2beabbbf6f
It makes it sound like the `ExprKind` and `Rvalue` are supposed to represent all pointer related casts, when in reality their just used to share a some enum variants. Make it clear there these are only coercion to make it clear why only some pointer related "casts" are in the enum.
65 lines
1.5 KiB
Diff
65 lines
1.5 KiB
Diff
- // MIR for `array_bound` before NormalizeArrayLen
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+ // MIR for `array_bound` after NormalizeArrayLen
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fn array_bound(_1: usize, _2: &[u8; N]) -> 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 mut _7: &[u8; N];
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let _8: usize;
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let mut _9: usize;
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let mut _10: bool;
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bb0: {
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StorageLive(_3);
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StorageLive(_4);
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_4 = _1;
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StorageLive(_5);
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StorageLive(_6);
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StorageLive(_7);
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_7 = &(*_2);
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_6 = move _7 as &[u8] (PointerCoercion(Unsize));
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StorageDead(_7);
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- _5 = Len((*_6));
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+ _5 = const N;
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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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StorageDead(_5);
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StorageDead(_4);
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switchInt(move _3) -> [0: bb4, otherwise: bb2];
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}
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bb2: {
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StorageLive(_8);
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_8 = _1;
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_9 = Len((*_2));
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_10 = Lt(_8, _9);
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assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> [success: bb3, unwind continue];
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}
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bb3: {
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_0 = (*_2)[_8];
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StorageDead(_8);
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goto -> bb5;
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}
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bb4: {
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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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