mirror of https://github.com/rust-lang/rust
73 lines
2.0 KiB
Diff
73 lines
2.0 KiB
Diff
- // MIR for `cand` before EnumSizeOpt
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+ // MIR for `cand` after EnumSizeOpt
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fn cand() -> Candidate {
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let mut _0: Candidate;
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let mut _1: Candidate;
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let mut _2: Candidate;
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let mut _3: [u8; 8196];
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+ let mut _4: [usize; 2];
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+ let mut _5: isize;
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+ let mut _6: usize;
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+ let mut _7: usize;
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+ let mut _8: *mut Candidate;
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+ let mut _9: *mut u8;
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+ let mut _10: *const Candidate;
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+ let mut _11: *const u8;
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+ let mut _12: [usize; 2];
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+ let mut _13: isize;
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+ let mut _14: usize;
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+ let mut _15: usize;
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+ let mut _16: *mut Candidate;
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+ let mut _17: *mut u8;
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+ let mut _18: *const Candidate;
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+ let mut _19: *const u8;
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scope 1 {
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debug a => _1;
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}
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bb0: {
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StorageLive(_1);
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_1 = Candidate::Small(const 1_u8);
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StorageLive(_2);
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StorageLive(_3);
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_3 = [const 1_u8; 8196];
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_2 = Candidate::Large(move _3);
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StorageDead(_3);
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- _1 = move _2;
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+ StorageLive(_4);
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+ _4 = const [2_usize, 8197_usize];
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+ _5 = discriminant(_2);
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+ _6 = _5 as usize (IntToInt);
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+ _7 = _4[_6];
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+ _8 = &raw mut _1;
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+ _9 = _8 as *mut u8 (PtrToPtr);
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+ _10 = &raw const _2;
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+ _11 = _10 as *const u8 (PtrToPtr);
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+ Deinit(_8);
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+ copy_nonoverlapping(dst = _9, src = _11, count = _7);
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+ StorageDead(_4);
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StorageDead(_2);
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- _0 = move _1;
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+ StorageLive(_12);
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+ _12 = const [2_usize, 8197_usize];
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+ _13 = discriminant(_1);
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+ _14 = _13 as usize (IntToInt);
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+ _15 = _12[_14];
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+ _16 = &raw mut _0;
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+ _17 = _16 as *mut u8 (PtrToPtr);
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+ _18 = &raw const _1;
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+ _19 = _18 as *const u8 (PtrToPtr);
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+ Deinit(_16);
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+ copy_nonoverlapping(dst = _17, src = _19, count = _15);
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+ StorageDead(_12);
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StorageDead(_1);
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return;
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}
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+ }
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+
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+ ALLOC0 (size: 8, align: 4) {
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+ 02 00 00 00 05 20 00 00 │ ..... ..
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}
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