mirror of https://github.com/rust-lang/rust.git
95 lines
2.6 KiB
Diff
95 lines
2.6 KiB
Diff
- // MIR for `array_bound_mut` before GVN
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+ // MIR for `array_bound_mut` after GVN
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fn array_bound_mut(_1: usize, _2: &mut [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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let _11: usize;
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let mut _12: usize;
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let mut _13: bool;
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bb0: {
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- StorageLive(_3);
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+ nop;
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StorageLive(_4);
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_4 = copy _1;
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- StorageLive(_5);
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+ nop;
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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, Implicit));
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StorageDead(_7);
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- _5 = PtrMetadata(move _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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- switchInt(move _3) -> [0: bb4, otherwise: bb2];
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+ _3 = Lt(copy _1, const N);
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+ switchInt(copy _3) -> [0: bb4, otherwise: bb2];
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}
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bb2: {
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- StorageDead(_5);
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+ nop;
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StorageDead(_4);
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StorageLive(_8);
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_8 = copy _1;
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- _9 = Len((*_2));
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- _10 = Lt(copy _8, copy _9);
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- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind continue];
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+ _9 = const N;
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+ _10 = copy _3;
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+ assert(copy _3, "index out of bounds: the length is {} but the index is {}", const N, copy _1) -> [success: bb3, unwind continue];
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}
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bb3: {
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- _0 = copy (*_2)[_8];
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+ _0 = copy (*_2)[_1];
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StorageDead(_8);
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goto -> bb6;
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}
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bb4: {
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- StorageDead(_5);
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+ nop;
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StorageDead(_4);
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StorageLive(_11);
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_11 = const 0_usize;
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- _12 = Len((*_2));
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- _13 = Lt(copy _11, copy _12);
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- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb5, unwind continue];
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+ _12 = const N;
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+ _13 = Lt(const 0_usize, const N);
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+ assert(move _13, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb5, unwind continue];
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}
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bb5: {
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- (*_2)[_11] = const 42_u8;
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+ (*_2)[0 of 1] = const 42_u8;
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StorageDead(_11);
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_0 = const 42_u8;
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goto -> bb6;
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}
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bb6: {
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- StorageDead(_3);
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+ nop;
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return;
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}
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}
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