mirror of https://github.com/rust-lang/rust.git
49 lines
1.2 KiB
Diff
49 lines
1.2 KiB
Diff
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- // MIR for `slice_const_length` before GVN
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+ // MIR for `slice_const_length` after GVN
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fn slice_const_length(_1: &[i32]) -> *const [i32] {
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debug x => _1;
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let mut _0: *const [i32];
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let _2: *const i32;
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let mut _3: &[i32];
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let mut _5: *const i32;
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let mut _6: usize;
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scope 1 {
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debug ptr => _2;
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let _4: usize;
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scope 2 {
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debug len => _4;
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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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StorageLive(_3);
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_3 = &(*_1);
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_2 = core::slice::<impl [i32]>::as_ptr(move _3) -> [return: bb1, unwind unreachable];
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}
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bb1: {
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StorageDead(_3);
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- StorageLive(_4);
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+ nop;
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_4 = const 123_usize;
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StorageLive(_5);
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_5 = copy _2;
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StorageLive(_6);
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- _6 = copy _4;
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- _0 = *const [i32] from (move _5, move _6);
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+ _6 = const 123_usize;
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+ _0 = *const [i32] from (copy _2, const 123_usize);
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StorageDead(_6);
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StorageDead(_5);
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- StorageDead(_4);
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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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