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