mirror of https://github.com/rust-lang/rust.git
190 lines
4.9 KiB
Diff
190 lines
4.9 KiB
Diff
- // MIR for `dereferences` before GVN
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+ // MIR for `dereferences` after GVN
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fn dereferences(_1: &mut u32, _2: &impl Copy, _3: &S<u32>) -> () {
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debug t => _1;
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debug u => _2;
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debug s => _3;
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let mut _0: ();
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let _4: ();
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let mut _5: u32;
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let _6: ();
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let mut _7: u32;
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let _8: *const u32;
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let _9: ();
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let mut _10: u32;
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let _11: ();
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let mut _12: u32;
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let _14: ();
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let mut _15: u32;
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let _16: ();
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let mut _17: u32;
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let _19: ();
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let mut _20: u32;
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let _21: ();
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let mut _22: u32;
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let _23: ();
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let mut _24: &u32;
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let _25: ();
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let mut _26: impl Copy;
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let _27: ();
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let mut _28: impl Copy;
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let _29: ();
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let mut _30: u32;
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let _31: ();
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let mut _32: u32;
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scope 1 {
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debug z => _8;
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let _13: *mut u32;
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scope 2 {
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debug z => _13;
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let _18: &u32;
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scope 3 {
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debug z => _18;
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}
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}
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}
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bb0: {
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StorageLive(_4);
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StorageLive(_5);
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_5 = copy (*_1);
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_4 = opaque::<u32>(move _5) -> [return: bb1, unwind unreachable];
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}
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bb1: {
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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 = copy (*_1);
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_6 = opaque::<u32>(move _7) -> [return: bb2, unwind unreachable];
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}
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bb2: {
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StorageDead(_7);
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StorageDead(_6);
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StorageLive(_8);
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_8 = &raw const (*_1);
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StorageLive(_9);
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StorageLive(_10);
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_10 = copy (*_8);
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_9 = opaque::<u32>(move _10) -> [return: bb3, unwind unreachable];
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}
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bb3: {
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StorageDead(_10);
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StorageDead(_9);
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StorageLive(_11);
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StorageLive(_12);
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_12 = copy (*_8);
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_11 = opaque::<u32>(move _12) -> [return: bb4, unwind unreachable];
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}
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bb4: {
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StorageDead(_12);
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StorageDead(_11);
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StorageLive(_13);
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_13 = &raw mut (*_1);
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StorageLive(_14);
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StorageLive(_15);
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_15 = copy (*_13);
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_14 = opaque::<u32>(move _15) -> [return: bb5, unwind unreachable];
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}
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bb5: {
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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 = copy (*_13);
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_16 = opaque::<u32>(move _17) -> [return: bb6, unwind unreachable];
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}
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bb6: {
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StorageDead(_17);
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StorageDead(_16);
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StorageLive(_18);
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_18 = &(*_1);
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StorageLive(_19);
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- StorageLive(_20);
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+ nop;
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_20 = copy (*_18);
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- _19 = opaque::<u32>(move _20) -> [return: bb7, unwind unreachable];
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+ _19 = opaque::<u32>(copy _20) -> [return: bb7, unwind unreachable];
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}
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bb7: {
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- StorageDead(_20);
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+ nop;
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StorageDead(_19);
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StorageLive(_21);
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StorageLive(_22);
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- _22 = copy (*_18);
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- _21 = opaque::<u32>(move _22) -> [return: bb8, unwind unreachable];
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+ _22 = copy _20;
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+ _21 = opaque::<u32>(copy _20) -> [return: bb8, unwind unreachable];
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}
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bb8: {
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StorageDead(_22);
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StorageDead(_21);
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StorageLive(_23);
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StorageLive(_24);
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_24 = &(*_18);
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_23 = opaque::<&u32>(move _24) -> [return: bb9, unwind unreachable];
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}
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bb9: {
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StorageDead(_24);
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StorageDead(_23);
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StorageLive(_25);
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StorageLive(_26);
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_26 = copy (*_2);
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_25 = opaque::<impl Copy>(move _26) -> [return: bb10, unwind unreachable];
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}
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bb10: {
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StorageDead(_26);
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StorageDead(_25);
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StorageLive(_27);
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StorageLive(_28);
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_28 = copy (*_2);
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_27 = opaque::<impl Copy>(move _28) -> [return: bb11, unwind unreachable];
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}
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bb11: {
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StorageDead(_28);
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StorageDead(_27);
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StorageLive(_29);
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- StorageLive(_30);
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+ nop;
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_30 = copy ((*_3).0: u32);
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- _29 = opaque::<u32>(move _30) -> [return: bb12, unwind unreachable];
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+ _29 = opaque::<u32>(copy _30) -> [return: bb12, unwind unreachable];
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}
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bb12: {
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- StorageDead(_30);
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+ nop;
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StorageDead(_29);
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StorageLive(_31);
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StorageLive(_32);
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- _32 = copy ((*_3).0: u32);
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- _31 = opaque::<u32>(move _32) -> [return: bb13, unwind unreachable];
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+ _32 = copy _30;
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+ _31 = opaque::<u32>(copy _30) -> [return: bb13, unwind unreachable];
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}
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bb13: {
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StorageDead(_32);
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StorageDead(_31);
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_0 = const ();
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StorageDead(_18);
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StorageDead(_13);
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StorageDead(_8);
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return;
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}
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}
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