mirror of https://github.com/rust-lang/rust.git
181 lines
4.7 KiB
Diff
181 lines
4.7 KiB
Diff
- // MIR for `references` before GVN
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+ // MIR for `references` after GVN
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fn references(_1: impl Sized) -> () {
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debug x => _1;
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let mut _0: ();
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let _2: ();
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let mut _3: &impl Sized;
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let _4: ();
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let mut _5: &impl Sized;
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let _6: ();
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let mut _7: &mut impl Sized;
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let _8: ();
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let mut _9: &mut impl Sized;
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let _10: ();
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let mut _11: *const impl Sized;
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let _12: ();
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let mut _13: *const impl Sized;
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let _14: ();
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let mut _15: *mut impl Sized;
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let _16: ();
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let mut _17: *mut impl Sized;
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let _18: &mut impl Sized;
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let mut _20: S<&mut impl Sized>;
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let mut _21: &mut impl Sized;
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let _22: ();
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let mut _23: &impl Sized;
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let _24: ();
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let mut _25: &mut impl Sized;
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let _26: ();
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let mut _27: *const impl Sized;
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let _28: ();
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let mut _29: *mut impl Sized;
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scope 1 {
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debug r => _18;
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let _19: &mut impl Sized;
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scope 2 {
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debug s => _19;
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}
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}
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bb0: {
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StorageLive(_2);
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StorageLive(_3);
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_3 = &_1;
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_2 = opaque::<&impl Sized>(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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StorageDead(_2);
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StorageLive(_4);
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StorageLive(_5);
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_5 = &_1;
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_4 = opaque::<&impl Sized>(move _5) -> [return: bb2, unwind unreachable];
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}
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bb2: {
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StorageDead(_5);
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StorageDead(_4);
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StorageLive(_6);
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StorageLive(_7);
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_7 = &mut _1;
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_6 = opaque::<&mut impl Sized>(move _7) -> [return: bb3, unwind unreachable];
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}
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bb3: {
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StorageDead(_7);
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StorageDead(_6);
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StorageLive(_8);
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StorageLive(_9);
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_9 = &mut _1;
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_8 = opaque::<&mut impl Sized>(move _9) -> [return: bb4, unwind unreachable];
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}
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bb4: {
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StorageDead(_9);
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StorageDead(_8);
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StorageLive(_10);
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StorageLive(_11);
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_11 = &raw const _1;
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_10 = opaque::<*const impl Sized>(move _11) -> [return: bb5, unwind unreachable];
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}
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bb5: {
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StorageDead(_11);
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StorageDead(_10);
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StorageLive(_12);
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StorageLive(_13);
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_13 = &raw const _1;
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_12 = opaque::<*const impl Sized>(move _13) -> [return: bb6, unwind unreachable];
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}
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bb6: {
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StorageDead(_13);
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StorageDead(_12);
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StorageLive(_14);
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StorageLive(_15);
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_15 = &raw mut _1;
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_14 = opaque::<*mut impl Sized>(move _15) -> [return: bb7, unwind unreachable];
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}
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bb7: {
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StorageDead(_15);
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StorageDead(_14);
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StorageLive(_16);
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StorageLive(_17);
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_17 = &raw mut _1;
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_16 = opaque::<*mut impl Sized>(move _17) -> [return: bb8, unwind unreachable];
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}
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bb8: {
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StorageDead(_17);
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StorageDead(_16);
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- StorageLive(_18);
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+ nop;
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_18 = &mut _1;
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StorageLive(_19);
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StorageLive(_20);
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StorageLive(_21);
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- _21 = move _18;
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- _20 = S::<&mut impl Sized>(move _21);
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+ _21 = copy _18;
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+ _20 = S::<&mut impl Sized>(copy _18);
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StorageDead(_21);
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- _19 = move (_20.0: &mut impl Sized);
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+ _19 = copy _18;
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StorageDead(_20);
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StorageLive(_22);
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StorageLive(_23);
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- _23 = &(*_19);
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+ _23 = &(*_18);
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_22 = opaque::<&impl Sized>(move _23) -> [return: bb9, unwind unreachable];
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}
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bb9: {
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StorageDead(_23);
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StorageDead(_22);
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StorageLive(_24);
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StorageLive(_25);
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- _25 = &mut (*_19);
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+ _25 = &mut (*_18);
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_24 = opaque::<&mut impl Sized>(move _25) -> [return: bb10, unwind unreachable];
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}
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bb10: {
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StorageDead(_25);
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StorageDead(_24);
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StorageLive(_26);
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StorageLive(_27);
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- _27 = &raw const (*_19);
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+ _27 = &raw const (*_18);
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_26 = opaque::<*const impl Sized>(move _27) -> [return: bb11, unwind unreachable];
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}
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bb11: {
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StorageDead(_27);
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StorageDead(_26);
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StorageLive(_28);
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StorageLive(_29);
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- _29 = &raw mut (*_19);
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+ _29 = &raw mut (*_18);
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_28 = opaque::<*mut impl Sized>(move _29) -> [return: bb12, unwind unreachable];
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}
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bb12: {
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StorageDead(_29);
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StorageDead(_28);
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_0 = const ();
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StorageDead(_19);
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- StorageDead(_18);
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+ nop;
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drop(_1) -> [return: bb13, unwind unreachable];
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}
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bb13: {
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return;
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}
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}
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