42 lines
1005 B
Diff
42 lines
1005 B
Diff
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- // MIR for `manual_slice_mut_len` before GVN
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+ // MIR for `manual_slice_mut_len` after GVN
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fn manual_slice_mut_len(_1: &mut [i32]) -> usize {
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debug x => _1;
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let mut _0: usize;
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let _2: *mut [i32];
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let mut _4: *mut [i32];
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let mut _5: *const [i32];
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scope 1 {
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debug x => _2;
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let _3: *const [i32];
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scope 2 {
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debug x => _3;
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}
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}
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bb0: {
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- StorageLive(_2);
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+ nop;
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_2 = &raw mut (*_1);
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- StorageLive(_3);
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+ nop;
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StorageLive(_4);
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_4 = copy _2;
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- _3 = move _4 as *const [i32] (PtrToPtr);
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+ _3 = copy _2 as *const [i32] (PtrToPtr);
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StorageDead(_4);
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StorageLive(_5);
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_5 = copy _3;
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- _0 = PtrMetadata(move _5);
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+ _0 = PtrMetadata(copy _1);
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StorageDead(_5);
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- StorageDead(_3);
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- StorageDead(_2);
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+ nop;
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+ nop;
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return;
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}
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}
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